Teledyne HFM-I-401 Automobile Parts User Manual
Contents
1. H 4 2 d nte Lm A Efi ha AM amtasi us A EL amm 4 2e R CENING INS pir C Pi S EM EL AE KD 4 2 2 ENVIRONMENTAL AND GAS REQUIREMENTS csccsscssccsccsccsscssccscescesccsscsscescescessessesscsscescescessessesscsccescescesses 4 24952 MECHANICAL CONNECTIONS 4 2 4 MOUNTING THE ELECTRONICS REMOTELY cccccssscsssccssccscccsscessccesscesscessceesccesscessceesscesscessceesscesscesscesscees 5 2 ELECTRICAL CONNECTION testem Y te E e sa TON 5 2 30 Power ppum REL nukun asta 6 Dow Anal OO LE NEN 6 2 992 Caren LOOP OU UN s be a MI 6 21222 Volare OUMU duci mtu ua bua OO 9 DO CONNECTION RTI E 9 2 12 Mm 9 Del d apana h A 9 2 72 10 uyu u 10 2 02 ALARM OUTPUT ONNEGCTION 102. CoHsF CoH F2 CCloF2 CCIF CF CHF3 CoCloF4 C3HF7 5 5 CeHi4 12 25 H S 0 4562 1 0003 0 5063 0 3590 0 4481 0 5322 0 2698 0 4716 0 2256 0 2235 0 2255 0 4492 0 3705 0 4088 0 3623 0 3248 0 4998 0 2684 0 2719 0 4046 0 3256 0 3694 0 2001 0 4124 0 4212 0 4430 0 6062 0 3173 0 3475 0 5308 0 4790 0 3506 0 3654 0 9115 0 7912 0 3535 0 3712 0 3792 0 4422 0 4857 0 5282 0 2327 0 3889 1 4005 0 1987 0 1224 0 1224 0 1828 0 1733 0 1918 0 5506 1 0038 1 0028 1 0034 0 7772 1 0039 0 9996 0 8412 0 8420 N gt gt gt T OI HPP 1 720 0 165 1 131 8 576 4 207 3 472 4 618 4 129 2 989 3 030 3 686 2 617 1 843 1 883 2 540 2 211 1 229 5 578 5 578 1 883 2 211 1 843 4 339 4 454 2 637 1 964 1 147 7 679 4 045 1 801 1 719 4 045 2 540 1 553 1 227 5 615 4 942 4 270 3 597 3 534 2 862 6 986 2 783 0 164 6 950 6 597 6 637 3 522 7 605 3 440 1 310 0 082 3 307 1 490 1 105 0 818 5 228 3 309 1 393 1 4440 0 3102 1 0486 5 2998 3 2249 3 0592 2 5291 3 3176 1 9080 1 9215 2 1300 2 0457 1 4793 1 521
3. d usce Nec uei dM ue M 19 905 IMOLITEGAS CALIBRATION uu 19 3 10 LOTT OJ PPE T mr 20 3 11 AJODEHONAEDIGIDAL CAPABIDITIES ST u u u __ 20 PARTS AND AC CESS ORES u y 21 WARTS OC ACCESS OR LEDS LZ a 21 JOWBRPOD POWEBER Q DISPLAY UNEES bua nala 21 42 ODPRENOS MO LEE LL MI MM 22 don OC OPD cL MAMAS MM IE E MM E MEME 22 MARRANTY i kuyu P 23 401 405 SERIES Vii SW ABP TERR err 23 S L gt uuu D 23 5 2 NON REPAIR POLICY dicte a abs 23 APPENDICES coco oe ea desi doo a mus u mas 24 e Du EE EA MD 24 6 1 APPENDIX 1 VOLUMETRIC VERSUS MASS FLOW cccsccocoscoccscsccscsccsceceecsceccscavsscetsscecsececescncescecessecensecs 24 6 2 APPENDIX 2 GAS CONVERSION FACTORS
4. Communication Complete 401 405 SERIES Yes Check Zero Offset 316 Y Check Full scale Voltage 511 Y Check Current Flow Value F Complete Digital Communications Interface Check Model and Software Revision address S1 v Check Serial Number address 968 v Check Zero Offset 55 516 i Check Full Scale Voltage address S1 1 Flow Value address F Complete Ethernet Check Set IP address Complete 14 3 Operation 3 Operation The Hastings 400 Series flow meters are designed for operation with clean dry gas and in specified environmental conditions See Section 1 2 The properly installed meter measures and reports the mass flow as an analog signal and depending on the configuration and set up as a digital response Other features can assist in the measurement operation and provide additional functions The following sections serves as a guide for correctly interpreting the analog and digital flow output optimizing the performance and using the additional features of the instrument 3 1 Environmental and Gas Conditions For proper operation the ambient and gas temperatures must be such that the flow meter remains between 20 and
5. 5 CHN CHBr C2HsCI 0 3394 0 3877 0 1818 0 3047 1 4043 0 2327 0 6809 0 3896 0 6878 0 2701 0 3752 0 4368 0 5397 0 2926 0 3395 0 3271 0 2298 0 3538 0 2448 0 2053 0 3133 0 3423 0 2253 0 1619 0 2822 0 2453 0 1859 0 4768 0 4956 0 5716 0 7992 1 4042 0 2036 0 1953 0 2028 RRA gt RP RR RRR RRR ROTA RA 3 435 2 700 7 685 4 780 9 074 3 030 1 313 4 254 2 619 5 970 4 417 3 640 3 273 6 778 4 088 2 947 3 030 2 783 3 766 2 293 5 453 6 820 7 659 4 136 2 416 12 174 14 389 4 372 2 555 1 882 0 742 5 366 4 339 4 339 4 339 2 2533 1 9753 3 0998 2 7342 1 0000 1 9213 1 1934 2 9041 2 7013 3 0092 2 9215 2 7312 2 8922 3 4711 2 5732 1 9924 1 9210 1 9586 2 1756 1 6978 3 0712 3 9903 3 2607 2 3280 1 7109 4 7379 4 4681 3 5770 2 0988 1 6528 0 6715 1 0000 2 3103 2 3108 2 3102 29 4 00 101 60 9 52 241 81 TAPPED 10 52 0 165 THROUGH 2X 10 65 270 51 7 01 178 08 4 00 2 00 50 80 1 405 Flow meter 401 405 SERIES 30 FITTINGS DM 7 72 196 09 2 35 59 69 TAPPED 10 32 0 165 THROUGH 2X HASTINGS 1 50 38 10 1 4 20 X 375 1 401 Flow Meter 37 59 134 01 401 405 SERIES 31
6. 2 min for 296 of full scale 2 5 seconds to within 296 of full scale 0 05 of Full Scale C lt 0 16 of reading C Standard 500 psig Optional 1000 psig lt 0 01960f reading psi 0 1000 psig 5 1 psi at full scale flow 2 of F S 18 88 VDC 3 5 watts Ethernet 2 5 watts RS232 485 Standard 4 20 mA Optional 0 10 VDC 0 20 mA 0 5 VDC 1 5 VDC Standard RS 232 Optional RS 485 Optional Ethernet Std Terminal Block M16 Cable Gland Optional 12 pin Circular Connector 4 pin D coded M12 Mechanical Fittings Leak Integrity Wetted Materials Weight approx Standard 1 2 Swagelok Optional 12 VCOG 12 VCR 3 Swagelok 10mm Swagelok 3 8 male 1 2 male NPT 12mm Swagelok 34 16 SAE MS straight thread lt 1x10 sccs 316L SS Nickel 200 302 SS Viton 12 Ib 5 5 kg Viton is a trademark of DuPont Dow Elastomers LLC Standard 1 Swagelok Optional 1 VCOG 1 VCRG 34 Swagelok 1 male NPT 34 male NPT 1 5 16 12 straight thread 1x10 sccs He 316L SS Nickel 200 302 SS Viton amp 18 Ib 8 kg Swagelok VCO and are trademarks of the Swagelok Company 401 405 SERIES 2 Installation 2 Installation CAUTION Many of the functions described in this section require removing the enclosure front plate Care must be taken when reinstalling this plate to ensure that the sealing gasket is properly
7. 25 401 405 SERIES Vill 1 General Information 1 General Information 1 1 Overview 1 1 1 400 Series Family The Hastings 400 Series is a family of flow instruments which is specifically designed to meet the needs of the industrial gas flow market The I family in the 400 Series features an IP 65 enclosure which allows the use of the instrument in a wide variety of environments The 400 I products consist of four configurations a flow meter HFM I 401 which has a nominal nitrogen full scale between 10 SLM and 300 SLM and a corresponding flow controller the HFC I 403 a larger flow meter 1 405 which ranges from 100 SLM to 2500 SLM and a corresponding flow controller the HFC I 407 These instruments are configured in a convenient in line flow through design with standard fittings Each instrument in the series can be driven by either a 24 VDC power supply or a bipolar 15 volt supply The electrical connection can be made via either a terminal strip located inside the enclosure or optionally through an IP 65 compatible electrical connector Also these instruments include both analog and digital communications capabilities 1 1 2 400 Series Meters The Hastings HEM I 401 and HEM I 405 thermal mass flow meters are designed to provide very accurate measurements over wide range of flow rates and environmental conditions The design 15 such that no damage will occur from moderate overpressure or overflows
8. The records are referred to by their number label from 0 7 Hydrogen The first six records will by default be setup for most common six gases as Argon shown in Figure 2 11 If a gas other than one of these six is specified on the Oxygen customer order it will be placed in record 6 If a second different gas is Custom selected it will be placed in record 77 If multiple different gases or ranges are Custom specified they will replace some of the standard six gases Figure 2 11 Gas record table purchased calibration certificate 15 provided for the gas or gases specified by the customer when ordering This gas will be indicated with an X on the Gas Label diagram below that is located on the top of the 400 Series Mass flow meter s electronics enclosure The remaining gas records will have a different full scale value and an unverified calibration The full scale range can be calculated by using the Gas conversion factor or Full Scale GCF A comprehensive list is found in Appendix 2 in Record Gas Range this manual Nitrogen 100 slm Air 100 15 slm x 0 No 4 Ar X report Hydrogen 100 38 slm 1 Air 5 Oo others use GCF Argon 140 57 slm Oxygen 07 95 slm Se Not included if 3 He 7 Custom not specified S N Not included if Custom not specified Example 1 To convert the calibration of a full scale range of 100 slm of Nitrogen to the other full scale ranges F FS FS 1 1 Calcul
9. instruments will respond to an address of FF Hardware settings for RS 232 and RS 485 are User name enacted on 12 pin jumper field located on the left end of the top circuit board in the electronics enclosure GIRL Only the state of jumpers 1 3 4 and 6 affect the RS 485 operation see Figure 2 6 These jumpers installed vertically over two pins when enabled and are numbered from left to right Jumper 1 must be enabled for RS 485 Enabling jumpers 3 and 4 effect a 120 ohm resistance across the transmit and receive signal pairs respectively These should only be enabled in the last instrument on a long buss Enabling jumper 6 forces the address to 99 this is sometimes used when initiating communications Remember my password Figure 2 7 Web browser screen 2 7 3 Ethernet If Ethernet is specified on the order the flow meter has IP address 172 16 52 250 and communication port number 10001 There are no hardware settings required or available d Change Icon to modify the configuration This IP address be changed Change leon using a web browser to access the configuration of the instrument by typing the IP address into the URL section of Host address 172 16 52 250 the browser Press OK to ignore the username password screen as shown in Figure 2 7 Select the new IP address under the network section of the web page configuration Potmmber 10001 o 1 utility If this address cannot be reache
10. 2C eie en obe odo 11 2 10 ROTARY DEALS 12 ELECTRICAL REMOTE ZERO CONNECTION SL uns ese 13 2 12 CHECK INSTALLATION PRIOR TO OPERATION 13 OPERA TION aos QS 15 25 APERA TO aaa a AL M DAILLE RE 15 ENVIRONMENTAL AND GAS CONDITIONS Dau un a E uqu u ma a a a adea 15 S22 INTERPRETING THE ANALOG tee En c od tede ma a a 15 3 95 DIGITAL COMMUNICATIONS Z TQ uu a u Di a 15 3 3 1 Dipualty ReDotied BloWEO HEIDI ess a a UR a ott V ba od VS ou E eed Dua 16 2 2 Digitally Reported Analog es dtt 16 34 __________ _____ _ _ 16 3 4 1 PreDarme JORG Zoo MECH 16 324 2 AGUS E ZO pt 17 SE NE QUSE NNMERO sa yama ET 17 39 60 demere 18 2 75 DHGHPRESSUBE OPERATION um u au m uu asp MEM LM EU 18 3 7d ZOO SM d RT 19 2 72 P eter 19
11. 70 C Optimal performance 15 achieved when the environment and gas temperatures are equilibrated and stable 400 I series is intended for use with clean non condensing gases only Particles contamination condensate or any other liquids which enter the flow meter body may Obstruct critical flow paths in the sensor or shunt thus causing erroneous readings 3 2 Interpreting the Analog Output The analog output signal is proportional to mass flow rate Each instrument is configured to provide one of the available forms of analog output as described in Section 2 2 The signal read by an indicator for example a process ammeter data acquisition system or PLC board can be mapped to the measured flow rate by applying the proper conversion equation selected from the table below Table 3 1 The Signal Flow mapping equations Analog Output Configuration Mapping Equation 4 20 mA Flow FS flow 4 16 0 20 mA Flow FS flow Io 20 0 10 Vdc Flow FS flow Vou 10 1 5 Flow FS flow Vou 1 4 Alternatively an analog display meter can indicate the flow rate directly in the desired flow units by setting the offset and scaling factors properly 0 5 Flow FS flow Vout 5 The flow meter is typically able to measure and report flow which slightly exceeds the full scale value Reverse or negative flows are indicated to values up to 25 of full scale by meters with 4 20 mA or 1 5 volt outp
12. Swagelok 41 03 153 3 8 Male NPT 41 03 154 1 2 Male NPT 41 03 155 12 mm Swagelok 41 03 160 3 4 16 SAE MS Straight Female no fitting N A HFM I 405 1 Swagelok fitting 41 03 142 3 4 Swagelok 41 03 149 1 VCO Fitting 41 03 147 1 VCR fitting 41 03 148 1 Male NPT 41 03 150 3 4 Male NPT 41 03 151 1 5 16 12 Female SAE MS straight thread no fitting N A Hastings Description Remote Electronics Cables 2 meter cable remote mounting cable 5 meter remote mounting cable 10 meter remote mounting cable 401 Local Bracket mount direct to sensor 405 Local Bracket mount direct to sensor Digital Communications 9 pin RS232 to 400 series M12 connector Digital M12 connector to M12 connector USB to 9 pin RS232 connector RJ45 Ethernet to M12 Ethernet connector Analog I O 8 foot D connector to 8 bare leads 25 foot D connector to 8 bare leads 100 foot D connector to 8 bare leads Stock CB 8P M12 2MRA CB 8P M12 5MRA CB 8P M12 10MRA 14 03 002 14 03 001 5232 12 CB ETHERNET M12 CB USB RS232 CB RJ45 M12 CB D15 Lead 8 CB D15 Lead 25 CB D15 Lead 100 229 5 WARRANTY 5 Warranty 5 1 Warranty Repair Policy Hastings Instruments warrants this product for a period of one year from the date of shipment to be free from defects in material and workmanship This warranty does not apply to defects or failures resulting from unauthorized modification misuse or mishandling of the product This warranty do
13. alarm settings and activation status are available via software commands and Alarm Out queries The software interprets an activated Alarm 1 as an Alarm condition while an activated Alarm2 is interpreted as a Warning condition The software manual includes the detailed descriptions for configuring and interpreting the activation of these alarms Alarm Common 2 9 Auxiliary Input Figure 2 10 Alarm circuit diagram for LED operation Connection The Hastings 400 Series flow meters provide an auxiliary analog input function The flow meter can read the analog value present between pins 5 and 6 on the terminal strip as shown in Figure 2 2 and make its value available via the digital interface The accepted electrical input signal 15 the same as that configured for the analog output signal 4 20 mA 0 20 mA 0 5 Vdc 1 5 Vdc or 0 10 Vdc Unlike the analog output signal which is isolated and capable operating at common mode offsets of over 1000V the analog input signal cannot be galvanically isolated from ground potential 401 405 SERIES 11 2 2 Rotary Gas Selector The Hastings 400 Series flow meters can have up to eight different calibrations Record Gas stored internally These are referred to as gas records These records are used Nitrogen to select different gases but they can also be useful in other ways for instance Air reporting the flow in an alternate range flow unit or reference temperature Helium
14. is configured for RS232 operation For each interface there are changes that can be made to the configuration either via software or hardware settings A brief overview of these is included here For more detailed information consult the Hastings 400 Series Software Manual 9600 Baud Half Duplex Full Duplex TX Terminated Unterminated RX Terminated Unterminated Software Selected 2 7 1 RS 232 Addr 99 Software Selected The default configuration for the RS 232 interface is COR 19200 baud 8 data bits no parity one stop bit The Figure 2 6 Functions for digital jumper field baud rate 1s software selectable and can be overridden by a hardware setting Hardware settings for RS 232 and RS 485 are enacted on 12 pin jumper field located on the left end of the top circuit board the electronics enclosure Only the state of jumpers 1 2 and 5 affect the RS 232 operation These jumpers are installed vertically over two pins when enabled and are numbered from left to right Jumper 1 must be disabled for RS 232 jumper 2 1s used to select 401 405 SERIES 9 half or full duplex and jumper 5 16 enabled when a hardware override of the baud rate forcing it to 9600 is desired These functions are summarized in Figure 2 6 2 7 2 RS 485 If RS485 15 specified on the order the flow meter 15 set to the default values address 61 unterminated and Rx lines While the default address is 61 all Welcome to 172 16 52 214
15. limited in its ability to indicate a negative flow with the analog signal 2 1 1 1 Current Loop Output The standard instrument output 15 a 4 20 mA signal proportional to the measured flow 4 mA zero flow and 20 mA 100 FS An optional current output of 0 20 mA where 0 mA zero flow and 20 mA 100 FS may be selected at the time of ordering If either current loop output has been selected the flow meter acts as a passive transmitter It neither sources nor sinks the current signal The polarity of the loop must be such that pin 4 15 at a higher potential than pin 3 on the flow meter terminal strip Loop power must be supplied with a potential in 401 405 SERIES 6 the range of 5 28 Vdc from a source external to the flow meter The loop supply can be the same supply as that for the instrument power or it can be an isolated loop supply Figure 2 3 shows a typical setup using the same supply This method requires a jumper from pin 2 to pin 4 on the terminal strip while connecting pin 3 to a wire that carries this signal to the indicator for example a process ammeter data acquisition system or PLC board complete the current loop another wire carries the return signal from the flow indicator back to the negative end of the input supply Alternatively the loop current can be measured on the high potential side by connecting the indicator between the pins 2 and 4 while connecting pin 3 to pin 1 Fig
16. received properly by the flow meter s main processor Electrically An external contact closure generates continuity between pins 8 and 9 of the terminal strip 3 4 2 3 5 Over range The thermal mass flow sensor heats a portion of the gas in order to measure the flow rate As the flow increases the heated tube is cooled and the slope of the sensor output versus the flow rate decreases The sensor linearization function corrects for this effect while the flow rate is within the normal operating region If the flow exceeds the normal operating region the digital flow indication will continue to track this increase with a reduced accuracy The analog flow will also indicate this overflow condition until the circuitry reaches its limits approximately 10 25 over range As the flow continues to increase above the normal operating region the sensor will be cooled sufficiently that the output of the sensor will reach a peak value around 2 4 times the full scale flow rate If the flow continues to increase the sensor output will begin decreasing and the digital flow will indicate a decreasing flow rate even though the flow 15 actually getting increasing At approximately 3 7 times the full scale flow rate the sensor output will drop within range of the normal output and even the analog output will record an on scale flow rate when there 15 a very large over range flow rate 401 405 SERIES 17 Flow meter Output 290 2
17. the electronics enclosure A straight run of tubing upstream or downstream is not necessary for proper operation of the meter The flow meter incorporates elements that pre condition the flow profile before the measurement region So for example an elbow may be installed upstream from the flow meter entrance port without affecting the flow performance Compression fittings should be connected and secured according to recommended procedures for that fitting T wo wrenches should be used when tightening fittings as shown in the Quick Start Guide on page to avoid subjecting the flow meter body to undue torque and related stress The fittings are not intended to support the weight of the meter For mechanical structural support four mounting holes 1 4 20 thread 3 8 depth are located in the bottom of the meter The position of these holes is documented on the outline drawing in Appendix 3 Section 6 3 Leak check all fittings according to an established procedure appropriate for the facility 401 405 SERIES 4 2 4 Mounting the Electronics Remotely In order to maintain the integrity of the Electrostatic Discharge immunity both parts of the remote mounted version of the I 400 instrument must be screwed to a well grounded structure The ferrite that is shipped with the instrument must be installed on the cable next to the electronics enclosure CAUTION The electronics enclosure can be separated and relocated up to 3
18. they do not produce a voltage or current signal However they can be used to generate a voltage signal on an Alarm Out line This is done by connecting a suitable pull up resistor between an external voltage supply and the desired alarm line while connecting Alarm Common to the common of the power supply When activated the alarm line voltage will be pulled toward the alarm common line generating a sudden drop in the signal line voltage use the alarm to illuminate an LED connect the positive terminal of the LED to a suitable power supply and connect the other end to a current limiting resistor This resistor should be sized such that the current is less than 20 mA when the entire supply voltage is applied Connect the other end of the resistor to Alarm 1 or Alarm 2 Connect Alarm Common to the circuit common of the power supply When activated the alarm line 15 pulled toward the alarm common generating sufficient current through the LED to cause it to illuminate Alarm 1 Alarm Common Figure 2 9 Alarm circuit diagram Figure 2 10 shows an example of the LED circuit arrangement applied to Alarm 1 while Alarm 2 is configured with a suitable pull up resistor to provide a voltage output on an Alarm Out line Since the Alarm Common is a shared contact if both alarms are being used independently they must each be wired such that the current passes through the external signaling device before reaching the alarm line The
19. to a number position from 0 to 7 it activates the corresponding gas record When set to a number greater than 7 the gas record control is passed to software If the software setting mode 1s enabled then the S6 digital command can be used to set the active gas record as shown in the example below Example To first determine and then change the active gas record using RS 232 Computer transmits 156 HFM flow meter replies 0 This indicates that gas record 0 1s currently active Computer transmits S6 4 This changes the active gas record to 4 See the Software Manual for further information including how to setup a new gas record and how to reconfigure an existing gas record 401 405 SERIES 19 Accessing the rotary encoder requires removing the enclosure front plate Care must be taken when reinstalling this plate to ensure that the sealing gasket is properly positioned and the fasteners are secure to maintain an IP65 compliant seal CAUTION The software command to change the active gas record will not be executed unless the rotary encoder is set to a number greater than 7 However the software query will return the current active gas record number even when it has been set by the hardware 3 10 Flow Totalization The Hastings 400 Series flow meters are capable of providing a value for the total amount of gas that has passed through the flow meter since the last time the totalization function was re
20. 0 feet away from the flow meter base This requires a cable which is supplied with the instrument if ordered as a cable mounted unit Alternatively a 2 5 or 10 meter cable can be purchased separately See section 4 2 for ordering information and part numbers When remote mounting the electronics enclosure the support bracket can remain attached to either the flow meter base or the electronics separate the electronics enclosure from the support bracket remove the two screws located on the back of the support bracket separate the flow meter base from the support bracket remove the four screws that mount the bracket to the top of the flow meter base Unscrew the Figure 2 1 Accessing the terminal strip electrical connector between electronics enclosure and the flow meter base Remove the electronics enclosure from the flow meter base Connect the female end of the remote electronics cable to the flow meter base and the male end to the electronics enclosure The electronics enclosure can be mounted remotely by using the two threaded holes in the enclosure The size and spacing of these two holes are specified on the outline drawing in Appendix 3 Section 6 3 These holes may be used inserting fasteners from behind through a new mounting bracket or they may be accessed from the front side by temporarily removing the enclosure panel T his enables mounting the enclosure to a wall or other solid structure Alternativel
21. 00 150 100 Analog Output 50 Digital Output Indicated Flow Full Scale 0 0 100 200 300 400 500 600 Flow Full Scale 3 4 2 3 6 Reverse Flow Pressure Effect If the flow through the flow meter reverses and flow begins to enter the exit of the flow meter and leave through the entrance of the flow meter the flow meter will measure this flow and report it digitally with reduced accuracy The 5 analog output will also indicate this by either tc generating a negative output 29 voltage or decreases the 2 current output below 4 mA depending on whether a o voltage or current output has been selected o 3 7 High Pressure Operation When operating at high pressure the meter s performance can be affected 400 600 800 in two distinct and separate ways a zero shift and a span Line Pressure psig calibration shift Figure 3 1 The pressure effect on flow calibration for nitrogen 401 405 SERIES 18 3 7 1 Zero Shift The zero offset can occur as the result of natural convection flow through the sensor tube if the instrument is not mounted in a level orientation with flow horizontal This natural convection effect causes a zero shift proportional to the system pressure The overall effect is more pronounced for gases with higher density Normally the shift is within
22. 1 1 8455 1 6433 1 1175 2 8629 2 8806 1 5187 1 6438 1 4789 2 3099 3 1724 2 0018 1 5967 1 0475 4 1196 2 5846 1 5495 1 4552 2 5976 1 8499 1 5574 1 1232 3 4473 3 2026 2 8572 2 7242 2 8794 2 4487 3 1174 2 0253 0 2304 2 9681 3 2710 3 2794 2 1062 3 0771 2 0677 1 1757 0 3895 7 6975 1 5183 1 0003 0 6845 1 0000 5 1920 1 3174 27 401 405 SERIES 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 Isobutane Isobutanol Isobutene Isopentane Isopropyl Alcohol Isoxazole Ketene Krypton Methane Methanol Methyl Acetate Methyl Acetylene Methylamine Methyl Bromide Methyl Chloride Methylcyclohexane Methyl Ethyl Amine Methyl Ethyl Ether Methyl Ethyl Sulfide Methyl Fluoride Methyl Formate Methyl lodide Methyl Mercaptan Methylpentene Methyl Vinyl Ether Neon Nitric Oxide Nitrogen Nitrogen Dioxide Nitrogen Tetroxide Nitrogen Trifluoride Nitromethane Nitrosyl Chloride Nitrous Oxide n Pentane Octane Oxygen Oxygen Difluoride Ozone Pentaborane Pentane Perchloryl Fluoride Perfluorocyclobutane Perfluoroethane Perfluoropropane Phenol Phosgene Phosphine Phosphorus Trifluoride Propane Propyl Alcohol Propyl Amine Propylene Pyradine H
23. 32 R123 R123A R125 R134 R134A R143 C H O CaHs CsHi2 CHNO C3H CHsN CHsBr C H 4 CHN CsHsS CH3F CHsl CH S CeHi2 N20 NF CHNO NOCI 12 BsHg 5 2 CIFO3 C4Fg CoF C3F 3 PF CHN CoHCloF3 CoHCloF3 CHF C2H3F3 0 2725 0 2391 0 2984 0 2175 0 2931 0 4333 0 5732 1 4042 0 7787 0 6167 0 3083 0 4430 0 5360 0 6358 0 6639 0 1853 0 2692 0 2844 0 2743 0 7247 0 39 5 0 6514 0 5409 0 2037 0 3435 1 4043 0 9795 1 0000 0 7604 0 3395 0 5406 0 4653 0 6357 0 7121 0 2121 0 1386 0 9779 0 6454 0 7022 0 1499 0 2175 0 4155 0 1711 0 2530 0 1818 0 2489 0 4812 0 7859 0 4973 0 3499 0 3061 0 2860 0 4048 0 3222 0 6197 0 2583 0 2699 0 2826 0 2996 0 3110 0 3451 RMA NA PH 2 376 3 030 2 293 2 949 2 456 2 823 1 718 3 425 0 656 1 310 3 028 1 638 1 269 3 881 2 064 4 013 2 416 2 456 3 113 1 391 2 455 5 802 1 966 3 440 2 374 0 825 1 226 1 145 1 880 3 761 2 902 2 495 2 676 1 799 2 949 4 669 1 308 2 207 1 962 2 580 2 949 4 188 8 176 5 641 7 685 3 847 4 043 1 390 3 596 1 802 2
24. 3N 0 5178 4 1 678 1 4462 5 Acetylene 0 6255 4 1 064 0 9792 1 0015 1 1 185 1 0930 7 Allene CH 0 4514 4 1 638 1 3876 8 Ammonia 0 7807 2 0 696 0 6409 9 Argon Ar 1 4047 1 1 633 2 1243 10 AsHs 0 7592 5 3 186 4 0839 11 Benzene 0 3057 4 3 193 2 0636 12 Boron Trichloride 0 4421 4 4 789 3 6531 13 Boron Triflouride BF 0 5431 4 2 772 2 4109 14 Bromine Br 0 8007 4 6 532 1 0000 15 Bromochlorodifluoromethane 0 3684 4 6 759 4 2789 16 Bromodifluoromethane 0 4644 4 5 351 4 3990 17 Bromotrifluormethane 0 3943 4 6 087 4 1546 18 Butane 0 2622 2 2 376 1 6896 19 C4H100 0 2406 4 3 030 1 9233 20 Butene C4Hs 0 3056 4 2 293 1 6700 21 Carbon Dioxide 0 7526 1 1 799 1 7511 22 Carbon Disulfide CS 0 6160 4 3 112 3 0744 23 Carbon Monoxide CO 1 0012 4 1 145 1 0433 24 Carbon Tetrachloride CCl 0 3333 4 6 287 3 6196 25 Carbonyl Sulfide COS 0 6680 4 2 456 2 4230 26 Chlorine Cle 0 8451 4 2 898 3 9995 27 Chlorine Trifluoride CIF 0 4496 5 3 779 2 8970 28 Chlorobenzene 0 2614 4 4 601 2 4954 29 Chlorodifluoroethane C2H CIF2 0 3216 4 4 108 2 5119 30 Chloroform CHCls 0 4192 4 4 879 3 5284 31 Chloropentafluoroethane 5 0 2437 4 6 314 2 9778 32 Chloropropane C3H7Cl 0 3080 4 3 210 2 0756 33 Cisbutene 0 3004 4 2 293 1 6672 34 2 0 4924 4 2 127 1 7626 35 Cyanogen Chloride CICN 0 6486 5 2 513 2 4405 36 Cyclobut
25. 405 SERIES ARAIZA 03 04 09 A32076A COPYRIGHT 2009 HASTINGS rev ______ APPROVED _ HASTINGS INSTRUMENTS APPROVED ALL RIGHT RESERVED INITIAL RELEASE 03 10 09 CONNECT WIRES PER CLASS DIVISION REQUIREMENTS THE CONTAINED OR DISCLOSED BY THS DOCUMENT IS PROPRIETARY PROPERTY TECHNOLOGES INCORPORATED THS DOCUMENT AND THE ITEMS AMD INFOR CONTAINED OR DISCLOSED HEREIN SHALL MOT COPIED REPRODUCED OR PS PART SHALL TH c OR IN PART TO PERSON EXCEPT AS SPECIFICALLY AUTHORIZED BY OW ITS REPRESENTATIVE ED OF CONTROLLED BY TDY amp GRANTED OR IMPLIED BY THE DISCLOSURE OF THIS DOCUMENT THS AND DescicSED HERE M Y BE SUBJECT TO THE INTERNATIONAL TRAFFIC ARMS REGULATIONS OR THE EXPORT ADMINISTRATION REGULATIONS EAR FRACTIONS DECIMALS ANGLES N HASTINGS INSTRUMENTS Ve WIRING DIAGRAM m 4 20 0 20mA 77 82076 401 405 SERIES iV ARAIZA T 03 04 09 52076 CONNECT WIRES PER CLASS I DIVISION REQUIREMENTS i ___ Well _ 3 8 78858 43231 Flow Sensor apie TELEDYNE WIRING DIAGRAM HASTINGS INSTRUMENTS 0 5 0 10 VOLTS DRAWN SIZE DWG NO 03 04 09 400 SERIES sees 5 52 9 76 rd We ALVESTEFFER 03 10 09 N A 401 405 SERIES CAUTION CAUTION CAUTION CAUTION 401 405 SERIES This instrument is available with multiple p
26. 456 2 416 1 720 3 233 2 126 6 251 6 251 4 906 4 170 4 170 3 435 1 6912 1 9228 1 6663 1 8975 1 7335 2 1501 1 5127 1 0000 0 6105 1 1818 1 9967 1 3847 1 1449 4 3841 1 9480 2 2334 1 7065 1 7285 1 9816 1 2790 1 8491 10 2105 1 6930 2 0555 1 7377 0 6173 1 1430 1 0434 1 8624 2 4128 2 5277 1 9912 2 6013 1 7098 1 9008 2 6119 1 2483 2 0766 1 8868 1 9855 1 8975 3 0075 3 1946 2 8112 3 0998 2 2089 3 3063 1 2956 2 9936 1 4516 1 7427 1 7126 1 4223 2 1151 1 9458 3 0368 3 1065 2 6844 2 4595 2 5001 2 2693 28 401 405 SERIES 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 R143A R152A R218 R1416 Radon Sec butanol Silane Silicone Tetrafluoride Sulfur Dioxide Sulfur Hexafluoride Sulfur Tetrafluoride Sulfur Trifluoride Sulfur Trioxide Tetrachloroethylene Tetrafluoroethylene Tetrahydrofuran Tert butanol Thiophene Toluene Transbutene Trichloroethane Trichloroethylene Trichlorotrifluoroethane Triethylamine Trimethyl Amine Tungsten Hexafluoride Uranium Hexafluoride Vinyl Bromide Vinyl Chloride Vinyl Flouride Water Vapor Xenon Xylene m Xylene o Xylene p 2 C2H3CloF Rn C H O SiF4 SO SFe SF SF SO CCl C H O C4H4S C2H3Cl3 CHCl
27. TELEDYNE HASTINGS HASTINGS INSTRUMENTS 1 401 AND HFM 1 405 INDUSTRIAL FLOW METERS ASA TELEDYNE HASTINGS INSTRUMENTS ISO 9001 CERTIFIED Manual Print History The print history shown below lists the printing dates of all revisions and addenda created for this manual The revision level letter increases alphabetically as the manual undergoes subsequent updates Addenda which are released between revisions contain important change information that the user should incorporate immediately into the manual Addenda are numbered sequentially When new revision 15 created all addenda associated with the previous revision of the manual are incorporated into the new revision of the manual Each new revision includes a revised copy of this print history page Revision A Document Number 171 042008 March 2008 Revision Document Number 17 1 10 2008 uuu asus sS uka October 2008 Revision C Document Number 171 112008 November 2008 Revision D Document Number 171 032009 2 1 4 4 2009 Revision E Document Number 171 082010 August 2010 ws Visit www teledyne hi com for WEEE disposal guidance D
28. ait time a period for which it must remain in the alarm condition before the physical alarm is activated See the Software Manual for detailed alarm setting and configuration information 3 9 Multi gas Calibrations The Hastings 400 Series flow meters have up to eight different calibrations stored internally These are referred to as gas records These records are typically used to represent different gases but they can also be useful in other ways for instance reporting the flow in an alternate range flow unit or reference temperature The records are referred to by their number label from 0 7 The first six records are by default setup for the same range in the most common six gases as shown in Figure 2 11 If a gas other than one of these six is specified on the customer order it will be placed in record 6 If a second different gas is selected it will be placed in record 7 If multiple different gases or ranges are specified they will replace some of the standard six gases Only the gas es specified on the order will be verified The other records will use nominal gas factors to approximate the gas sensitivity until an actual calibration is performed to correct for individual instrument variations Selecting the active gas record can be done in one of two ways a hardware setting or a software setting The hardware setting 15 done by accessing a rotary encoder on the upper PC board in the electronics enclosure When set
29. and no maintenance is required under normal operating conditions when using clean gases 1 1 3 Measurement Approach The instrument is based on mass flow sensing This is accomplished by combining a high speed thermal transfer sensor with a parallel laminar flow shunt see Figure 1 1 The flow through the meter is split between the sensor and shunt in a constant ratio set by the full scale range The thermal sensor consists of a stainless steel tube with a heater at its center and two thermocouples symmetrically located upstream and downstream of the heater The ends of the sensor tube pass through an aluminum block and into the stainless steel sensor base With no flow in the tube the thermocouples report the same elevated temperature however a forward flow cools the upstream thermocouple relative to the downstream This temperature difference generates a voltage signal in the sensor which is digitized and transferred to the main processor in the electronics enclosure The processor uses this real time information and the sensor shunt characteristics stored in non volatile memory to calculate and report the flow ensure an inherently linear response to flow both the thermal sensor and the shunt have been engineered to overcome problems common to other flow meter designs For example nonlinearities and performance variations often arise in typical flow meters due to pressure related effects at the entrance and exit areas of the laminar fl
30. ane 0 3562 4 2 293 1 7091 401 405 SERIES 26 401 405 SERIES 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 Deuterium Diborane Dibromodifluoromethane Dichlorofluoromethane Dichloromethane Dichloropropane Dichlorosilane Diethyl Amine Diethyl Ether Diethyl Sulfide Difluoroethylene Dimethylamine Dimethyl Ether Dimethyl Sulfide Divinyl Ethane Ethane 1 chloro 1 1 2 2 tetrafluoro Ethane 1 chloro 1 2 2 2 tetrafluoro Ethanol Ethylacetylene Ethyl Amine Ethylbenzene Ethyl Bromide Ethyl Chloride Ethyl Fluoride Ethylene Ethylene Dibromide Ethylene Dichloride Ethylene Oxide Ethyleneimine Ethylidene Dichloride Ethyl Mercaptan Fluorine Formaldehyde Freon 11 Freon 12 Freon 13 Freon 14 Freon 22 Freon 23 Freon 114 Furan Helium Heptafluoropropane Hexamethyldisilazane Hexamethyldisiloxane Hexane Hexafluorobenzene Hexene Hydrazine Hydrogen Hydrogen Bromide Hydrogen Chloride Hydrogen Cyanide Hydrogen Fluoride Hydrogen lodide Hydrogen Selenide Hydrogen Sulfide CBr2F2 H2SiClo C H O C2H F CoH7N C H O C4Hg
31. ate full scale value of Helium Calibrated gas Nitrogen GCF 1 000 Full scale range FS7 100 slm Secondary gas 252 Helium GCF 1 40 1 40 1 1 40 1 40 x 100 140 slm of Helium 2 Calculate full scale value of Hydrogen Calibrated gas Nitrogen GCF 1 000 Full scale range FS7 100 slm Secondary gas 252 Hydrogen GCF 1 0038 1 0038 1 1 0038 1 0038 x 100 100 38 slm of Hydrogen 401 405 SERIES 12 Example 2 Changing the active gas record Selecting the active gas record 15 accomplished in one of two ways 1 Hardware setting 2 Software setting Hardware The hardware setting 18 selected by accessing a rotary encoder on the upper PC board the electronics enclosure When set to a number position from 0 to 7 it activates the corresponding gas record Ifa number greater than 7 is selected then gas record control is passed to software Software See Section 3 9 Multi Gas Calibrations and the software manual for more information about the software control capabilities The software setting will override the hardware settings If gas records are changed through the software setting and the rotary encoder is not changed the software setting will be active However when the meter 15 powered down and subsequently powered up the active setting will be based on the rotary encoder setting 2 10 Electrical Remote Zero Connection The Hastings 400 Series allows the flow meter zeroing ope
32. d the instrument can be reconfigured by downloading and installing the Lantronix Device Installer routine from Connect using Winsock http www lantronix com device networking utilities tools device installer html A standard web browser cannot be used to send and receive messages such as flow readings from the main processor of the flow meter An Ethernet capable software program 15 required to communicate with the meter s processor Suitable examples of such programs are Hyperterminal typically installed as standard on PCs and shown in Figure 2 8 or custom Ethernet capable software such as LabView For more information see the Software Manual Figure 2 8 Example Hyperterminal window 2 8 Alarm Output Connection The Hastings 400 Series flow meters include two software settable hardware alarms Each is an open collector transistor functioning as a semiconductor switch designed to conduct DC current when activated See Figure 2 9 These sink sufficient current to illuminate an external LED or to activate a remote relay and can tolerate up to 70Vdc across the transistor The alarm lines and the alarm common are galvanically isolated from all other circuit components The connections for Alarm 1 Alarm 2 and Alarm Common are available as pins 10 11 and 12 respectively on the analog terminal strip see Quick Start Guide on page ill 401 405 SERIES 10 Since the alarms act as switches
33. d 400 units or be used as a bench top unit The 9 400 is equipped with four line by twenty character vacuum fluorescent display VFD The display emulates a liquid crystal display in its command structure but the VFD gives the unit a greater viewing angle than available with most conventional LED or LCD displays The 9 incorporates many features including an integrated totalizer with a count up or count down option user selected filtering of readings serial or Ethernet communications The unit also offers simultaneous display of all four channels or selective blanking of unused channels ratio control with analog outputs for stacking multiple power supplies and easy to follow menu driven calibration and setup The digital design of the Power allows the user to set both the minimum and maximum display values corresponding to specific voltage or current inputs One advantage of this approach 15 that it negates the need to access hard to reach transducers to re zero them Should the analog signal from the transducer change due to a zero shift the digital counts seen by the Power 4 be changed to display zero either manually from the front panel or via serial communication with the unit 2 ET 4 1 Fittings 4 2 Cables 401 405 SERIES Fittings Hastings HFM I 401 1 2 Swagelok Fittings 41 03 086 1 2 VCO Fittings 41 03 119 1 2 VCR Fittings 41 03 090 3 4 Swagelok Fitting 41 03 152 10 mm
34. es not apply to batteries or other expendable parts nor to damage caused by leaking batteries or any similar occurrence This warranty does not apply to any instrument which has had a tamper seal removed or broken This warranty is in lieu of all other warranties expressed or implied including any implied warranty as to fitness for a particular use Hastings Instruments shall not be liable for any indirect or consequential damages Hastings Instruments will at its option repair replace or refund the selling price of the product if Hastings Instruments determines in good faith that it is defective in materials or workmanship during the warranty period Defective instruments should be returned to Hastings Instruments shipment prepaid together with a written statement of the problem and a Return Material Authorization RMA number Please consult the factory for your RMA number before returning any product for repair Collect freight will not be accepted 5 2 Non Warranty Repair Policy Any product returned for a non warranty repair must be accompanied by a purchase order RMA form and a written description of the problem with the instrument If the repair cost is higher you will be contacted for authorization before we proceed with any repairs If you then choose not to have the product repaired a minimum will be charged to cover the processing and inspection Please consult the factory for your RMA number before returning any pr
35. escription of Symbols and Messages used in this manual WARNING This indicates a potential personnel hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in injury to personnel This indicates a potential equipment hazard It calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruction of all or part of the product CAUTION This indicates important information It calls attention to a procedure practice condition or the like which is worthy of special mention Teledyne Hastings Instruments reserves the right to change or modify the design of its equipment without any obligation to provide notification of change or intent to change 401 405 SERIES 11 ck Sta rt Inst ruc tion PN 4 6 7 Connect dry clean gas and ensure connections leak free Check that electrical connections are correct Replace front cover and cable feed through ensuring See diagrams below gasket is seated and fasteners are secure Terminal Strip RO 7 PINS RS232 RS485 ETHERNET SHIELD GROUND GROUND GROUND 1 TRANSMIT TX A TD E o 2 RECEIVE RX A RD Digital Connector Wo 3 UNUSED TX B TD n 4 UNUSED RX B RD 401
36. in outs Ensure electrical connections are correct The 400 I series flow meters are designed for IEC Installation Over voltage Category single phase receptacle connected loads The Hastings 400 Series flow meters are designed for INDOOR and OUTDOOR operation In order to maintain the integrity of the Electrostatic Discharge immunity both parts of the remote mounted version of the I 400 instrument must be screwed to a well grounded structure In order to maintain the environmental integrity of the enclosure the power signal cable jacket must have a diameter of 0 12 0 35 3 9 mm the cable gland or 0 25 0 275 6 5 7 mm for the circular connector The nut on the cable gland must be tightened down sufficiently to secure the cable This cable must be rated for at least 85 C V Table of Contents 0 1 15 GENER ALINE OR MIA TION G uu 1 LE MEE Duos uu Pm 1 1 1 1 400 Senos ARR 1 Tl AOR OSM S r A E AEN 1 Tab Meos tr MEAP OO N stas k Nu date etu E 1 1 1 4 POUL OTIC TRE 1 125 PECCATO ut 2
37. is also an optional sealed circular connector that may be ordered with the instrument If this connector is ordered the internal terminal board will be connected to pins on the circular connector This option will be supplied with the mating connector if a power cable was not OPTIONAL CIRCULAR ordered with the instrument This mating connector has pins that must be soldered to wires 24 28 AWG customer supplied cable that CONNECTOR meets the specifications in the caution note below Other sealing collets for cable diameters other than specified below can be ordered from Bulgin PX0482 3 5 mm or PX0483 5 7 mm Ensure that the parts are installed on the cable assembly correctly before assembling Installation and removal of the outer housing may damage the latches and prevent the connector from making a leak free seal In order to maintain the environmental integrity of the enclosure the power signal cable jacket must have a diameter of 0 12 CAUTION 0 35 3 9 mm for the cable gland or 0 25 0 275 6 5 7 mm for the circular connector The nut on the cable gland must be tightened down sufficiently to secure the cable This cable must be rated for at least 85 C 2 5 1 Power Supply Ensure that the power source meets the requirements detailed in the specifications section Hastings offers several power supply and readout products that meet these standards and are CE marked If multiple flow meters or
38. is different for the same number of molecules Think about this The density of Air at 0 is 1 29 g liter The density of Air at 25C is 1 19 g liter The difference is 0 1 g liter If you are measuring flows of 100 liters per minute and you don t use the correct density factor then you will have an error of 10 g minute Volume also changes with pressure Think about a helium balloon with a volume of 1 liter If you could scuba dive with this balloon and the pressure on it increases What do you think happens to the weight of the helium It stays the same What would happen to the volume 1 liter It would shrink Why 1s the word standard included with the volume terms liters and cubic feet in mass flow applications A mass flow meter measures mass and we know we can convert to volume To use density we must pick one or standard temperature and pressure to use in our calculation When this calculation is done the units are called standard liters per minute SLM or standard cubic feet per minute SCFM etc because it is referenced to a standard temperature and pressure when the volume 15 calculated Using the example to the left we can see a standard liter can be defined differently The first balloon contains 0 179 grams of Helium at 0 760 Torr density of 0 179 grams liter Heat up that balloon to room temperature and the volume increases but the mass has not changed but the volume is not 1 liter anymo
39. lure to heed this warning can result in serious Performance Full Scale Flow Ranges in No Accuracy Repeatability Operating Temperature Warm up time Settling Time Reponse Time Temperature Coefficient of Zero Temperature Coefficient of Span Operating Pressure Maximium Pressure Coefficient of Span Pressure Drop N2 14 7 psia Attitude Sensitivity of Zero Electrical Power Requirements Analog Output Digital Output Analog Connector Digital Connector 401 405 SERIES personal injury and or damage to the equipment 1 401 0 10 slm up to 0 350 slm Standard 1 full scale Optional 0 596 reading 0 2 FS 0 196 of F S 20 to 70 C 30 min for optimum accuracy 2 min for 2 of full scale lt 2 5 seconds to within 2 of full scale lt 0 05 of Full Scale C lt 0 16 of reading C Standard 500 psig Optional 1500 psig lt 0 01 of reading psi 0 1000 psig lt 1 1 psi at full scale flow 2 of F S 18 38 VDC 3 5 watts Ethernet 2 5 watts RS232 485 Standard 4 20 mA Optional 0 10 VDC 0 20 mA 0 5 VDC 1 5 VDC Standard RS 232 Optional RS 485 Optional Ethernet Std Terminal Block M16 Cable Gland Optional 12 pin Circular Connector 4 D coded M12 1 405 0 100 slm up to 0 2500 slm Standard 1 full scale Optional 0 596 reading 0 2 FS 0 196 of F S 20 to 70 C 30 min for optimum accuracy
40. most precise flow readings the zeroing procedure is done while the meter is at the expected operating conditions including temperature line pressure and gas type This is especially true for cases where the flow meter is operating at high pressure or with very dense gas 3 4 1 Preparing for a Zero Check Before checking or adjusting the meter s zero the following three requirements must be satisfied Warm up The instrument must be powered and in the operating environment for at least 30 minutes Even though the meter will operate within a few minutes after power is applied the entire warm up period is needed to establish a suitable zero reading No Flow There must be an independent method to ensure that all flow through the instrument has completely ceased before checking or adjusting the zero Typically this is achieved by closing valve downstream from the flow meter and waiting a sufficient time for any transient flow to decay This is especially critical for low flow units that have long piping lengths before or after the flow meter In such situations it can require a significant settling time for the flow cease and enable a precise zero Stability The flow meter must stabilize for at least 3 minutes at zero flow especially following a high flow or overflow condition This will allow all parts of the sensor to come to thermal equilibrium resulting in the best possible zero value 401 405 SERIES 16 3 4 2 Adjusting Zer
41. n date the instrument temperature the number of hours that gas has been flowing etc See the Software Manual for detailed information on these additional digital features 401 405 SERIES 20 4 Parts and Accessories 4 Parts amp accessories These are parts and accessories that are available by separate order from Teledyne Hastings Instruments 4 1 Power Pod Power amp Display units luu Ti L0 ee 401 405 SERIES THPS 100 Singel Channel Power Supply The Teledyne Hastings Instruments microprocessor based 4 100 Thermal Mass Flow Power Supply is a self contained power supply and display for gas thermal mass flow meters pressure transducers or any device with a voltage output The unit features an automatically generated set point 0 5V or 0 10V making it ideal for use with thermal mass flow controllers and pressure controllers Features include 4 5display 15 volt 250mA transducer supply and an integrated 15vdc 250ma power supply is available providing a well regulated short circuit and thermal overload protected output and CE compliance See the Teledyne Hastings Instruments Product Bulletin for the complete specification on this product THPS 400 Four Channel Power Supply The Teledyne Hastings Instruments Digital 4 Channel Power is featured a half rack profile for simple drop in replacement of the existing Model 200 an
42. o The pre conditions required for a zero check must also be followed when making a zero adjustment The zero adjustment is a digitally controlled reset type operation When commanded the meter initiates an internal routine that performs the following sequence measure the current flow reading store it in nonvolatile memory as a zero offset and remove this value from all subsequent readings If the instrument is inadvertently or improperly zeroed for example while flow 15 passing through the instrument the flow reading is subtracted from all future flow readings This will produce large flow indication errors This offset value can be accessed via the 540 software query The reported value is relative to an internal un spanned sensor voltage As an interpretation guideline an offset that exceeds 0 15 volts typically indicates that a faulty zero value 15 present There are three different methods to activate the zero reset function manually digitally and electrically Manually With the electronics enclosure cover plate removed a pushbutton switch on the upper board is pressed CAUTION Accessing the manual zero pushbutton requires removing the enclosure front plate Care must be taken when reinstalling this plate to ensure that the sealing gasket is properly positioned and the fasteners are secure to maintain an IP65 compliant seal Digitally A ZRO address ZRO for RS485 command is
43. oduct repair TELEDYNE HASTINGS INSTRUMENTS 804 NEWCOMBE AVENUE HAMPTON VIRGINIA 23669 U S A ATTENTION REPAIR DEPARTMENT TELEPHONE 757 723 6531 1 800 950 2468 FAX 757 723 3925 E MAIL hastings instruments teledyne com INTERNET ADDRESS http www hastings inst com Repair Forms may be obtained from the Information Request section of the Hastings Instruments web site 401 405 SERIES 23 6 6 Appendices 6 1 Appendix 1 Volumetric versus Mass Flow Mass flow measures just what it says the mass or weight of the gas flowing through the instrument Mass flow or weight per unit time units are given in pounds per hour Ib hour kilograms per sec kg sec etc When your specifications state units of flow to be in mass units there is no reason to reference a temperature or pressure Mass does not change based on temperature or pressure However if you need to see your results of gas flow in volumetric units like liters per minute cubic feet per hour etc you must consider the fact that volume DOES change with temperature and pressure A mass flow meter measures MASS grams and then converts mass to volume To do this the density grams liter of the gas must be known and this value changes with temperature and pressure When you heat a gas the molecules have more energy and they move around faster so when they bounce off each other they become more spread out therefore the volume
44. other devices are sharing the same power supply it must have sufficient capability to provide the combined maximum current Power is delivered to the instrument through pins 1 and 2 of the analog terminal strip located within the electronics enclosure see Figure 2 1 As shown in the pin out diagram Figure 2 2 the positive polarity of the power supply is connected to pin 2 and the negative is connected to pin 1 For a unipolar power supply pin 1 is power common and pin 2 is 24V For a bipolar 15V power supply pin 1 is 15V and pin 2 is 15V To allow for inadvertent reversal of the power polarity an internal diode bridge will ensure that the proper polarity is applied to the internal circuitry A green LED located next to the terminal strip will illuminate when the meter is properly powered The power supply inputs are galvanically isolated from all other analog and digital circuitry 2 5 2 Analog Output The indicated flow output signal is found on pins 3 and 4 of the terminal strip as shown in Figure 2 2 The negative output pin 3 15 galvanically isolated from chasis ground and from the power supply input common The 400 Series meters can be configured to provide one of many available current and voltage outputs the standard 4 20 mA or the optional 0 20 mA 0 5 Vdc 1 5 Vdc or 0 10 Vdc When the meter is configured with milliamp output it cannot generate a signal that is below the zero current value therefore the 0 20 mA unit is
45. ow shunt Hastings has designed the 400 Series meters such that the flow critical splitting occurs at locations safely downstream from the entrance effects and well upstream from the exit effects This vastly improves the stability of the flow ratio between the sensor and shunt The result of this design feature is a better measurement when the specific gravity of the flowing medium varies for instance due to changes in pressure or gas type Also a common problem in typical flow meters is a slow response to flow changes improve response time some flow meter designs introduce impurities such as silica gel Alternatively Hastings has designed the 400 Series sensor with reduced thermal mass to improve the response time without exposing additional materials to the gas stream 1 1 4 Additional Functions These instruments contain a number of functions in addition to reporting flow which include e Settable alarms and warnings with semiconductor switch outputs 401 405 SERIES 1 A digitally reported status of alarms warnings such as overflow underflow flow totalizer to track the amount of gas added to a system digitizing channel for an auxiliary analog signal An internal curve fitting routine for fine tuning the base calibration alternate calibration set of 8 different ranges gases 1 2 Specifications WARNING Do not operate this instrument in excess of the specifications listed below Fai
46. positioned and the fasteners are secure to maintain an IP65 compliant seal 2 1 Receiving Inspection Your instrument has been manufactured calibrated and carefully packed so it is ready for operation However please inspect all items for any obvious signs of damage due to shipment Immediately advise Teledyne Hastings and the carrier if any damage is suspected Use the packing slip as a check list to ensure all parts are present e g flow meter power supply cables etc and that the options are correctly configured output range gas connector If a return is necessary obtain an RMA Return Material Authorization number from Teledyne Hastings Customer Service Department at 1 800 950 2468 or hastings instruments teledyne com 2 2 Environmental and Gas Requirements e Use the following guidelines prior to installing the flow meter e Ensure that the temperature of all components and gas supply are between 20 and 70 C e Ensure that the gas line is free of debris and contamination e Ensure that the gas is dry and filtered water and debris may clog the meter and or affect its performance If corrosive gases are used purge ambient moist air from the gas lines 2 3 Mechanical Connections The meter can be mounted in any orientation unless using dense gases or pressures higher than 250 psig in which case a flow horizontal orientation is required The meter s measured flow direction is indicated by the arrow on
47. ration to be activated remotely using pins 8 and 9 of the analog terminal strip See Drawing in Quick Start Guide If these pins are connected together the meter initiates an internal routine that measures the current reading stores it in nonvolatile memory as a zero offset and removes this value from all subsequent readings When the pin 9 is electrically isolated the flow meter operates normally The typical implementation of this type of remote zeroing operation involves connecting a remote switch or relay to pins 8 and 9 of the terminal strip For more about the zeroing operation see Section 3 4 2 11 Check Installation Prior to Operation Before applying gas to the meter it 1s advisable to ensure that the mechanical and electrical connections and digital communications if applicable are established and operating properly This can be done by following the guideline procedure below 401 405 SERIES 13 Check mounting and mechanical installation including flow direction Y Insure flow connections are leak tight Y Verify power connections on analog terminal strip Vsup pin 1 Vsup pin 2 Y Verify output and other connections on analog terminal strip See Section 2 2 Using Digital Check Model and Software Revision S1 Check Serial Number S68 Check digital M12 connector and or cable RS 232
48. re it is 1 08 liters So to define a standard liter of Helium at 25 we must extract only one liter from the second balloon and that liter weighs only 0 175 grams a mass flow meter 15 set up for STP at 0 and 1 Liter 1 08 Liter 1 Liter 760 Torr when it measures 0 179 grams of He it will give you results of 1 SLM 0 C 25C 25 C 0 179 grams 1 0 179 g 1 08 0 164 grams A O mE ne dE one liter liters 760 Torr when it measures 0 164 grams it will 401 405 SERIES give results of 1 SLM 6 2 Appendix 2 Gas Conversion Factors The gas correction factors GCF s presented this manual were obtained by one of four methods The following table summarizes the different methods for determining GCF s and will help identify for which gases the highest degree of accuracy may be achieved when applying a correction factor 1 Empirically determined 2 Calculated from virial coefficients of other investigator s empirical data 3 From NIST tables 4 Calculated from specific heat data at 0 C at 1 atmosphere The most accurate method is by direct measurement Gases that are easily handled with safety such as inert gases gases common in the atmosphere or gases that are otherwise innocuous can be run through a standard flow meter and the GCF determined empirically Many gases that have been investigated sufficiently by other researchers can have their molar specific heat C p calculated The gas correc
49. re available on a sealed female D coded M12 connector that is designed for use on industrial Ethernet connections There are many options for connecting to the M12 Hastings offers an 8 foot cable stock CB RS232 M12 with a compatible male M12 connector to a 9 pin D connector suitable for connecting the 400 I series instrument directly to the RS232 port on a PC A cable to convert USB to RS232 9 pin 15 available from Hastings stock CB USB RS2232 Also a 5 meter M12 male male cable suitable for digital communications can be purchased from Hastings stock CB ETHERNET M12 Other length cables are available from Lumberg 70985 342 100 5 M or Phoenix Converters from the M12 connector to a standard modular Ethernet connector are available from Hastings or from Lumberg 0981 100 A compatible M12 connector suitable for field wiring can be acquired from Harting 21 03 281 1405 or Mouser 617 21 03 281 1405 The pin out for the digital connector is shown in Figure 2 5 PINS RS232 RS485 ETHERNET SHIELD GROUND GROUND GROUND 1 TRANSMIT TX A TD 2 RD 3 UNUSED TX B TD 4 UNUSED RD Figure 2 5 Digital connector pin out 2 7 Digital Configuration Jumper Enabled Disabled A Hastings 400 I Series flow meter 15 available with one of three digital communications interfaces RS232 RS485 RS232 RS485 or Ethernet Unless specified differently at the time of ordering the flow meter
50. set This value can be used to determine for example the amount of gas used to fill a chamber or drawn from a supply vessel initialize the totalization function reset the totalized flow value to zero using the S36 digital command as shown in the example below All subsequent flow readings are added over time and stored as the totalized flow value The totalized flow value can be read by querying the flow meter digitally as in the example below The totalized flow is reported in the flow units chosen for the active gas without the time unit For example if the flow units are standard liters per minute the totalized flow is reported in standard liters if flow units are standard cubic feet per hour the totalized flow is reported in standard cubic feet Example For a 100 slm FS flow meter to first reset start the flow totahzation function and then later read the value using RS 232 Computer transmits S36 0 This resets the totalized value to zero and starts the totalization function At some point later in time Computer transmits S36 HFM flow meter replies 45 7 This 1s interpreted as a total gas amount of 45 7 standard liters has passed through the meter since the flow totalizer was started 3 11 Additional Digital Capabilities The Hastings 400 series flow meters have a wide selection of other functions operating parameters and values that can be reported and configured via digital communications such as the calibratio
51. the allowable zero offset range and can be removed by activating the zero reset at the operating pressure 3 7 2 Span Shift The gas properties which form the basis for the flow measurement such as viscosity and specific heat exhibit a slight dependence on the gas pressure Fortunately this pressure dependence is predictable and can be corrected for in cases where it has an impact on accuracy typically only significant for pressures in excess of 100 psig The graph shown in Figure 3 1 shows the expected span shift as a function of pressure for nitrogen This behavior 15 similar for most diatomic gases O etc whereas this effect 15 insignificant for the monatomic gases He Ar etc This span shift must be considered and accounted for as appropriate for accurate flow measurements at high pressure conditions 3 8 Warnings Alarms here are two alarm contacts on the terminal strip connector within the electronics enclosure See Section 2 8 These function as isolated semiconductor switches sharing a single isolated common line In its normal state each switch is open when an alarm is activated the switch is closed The meter s processor be configured via the digital interface to establish the internal condition for activating each alarm There are many choices for internal alarms and warnings including overflow underflow or various instrument error conditions Each alarm can also be given a selectable w
52. tion factor is then calculated using the following ratio GCF C apN2 C apGasX GCF s calculated in this manner have been found to agree with the empirically determined GCF s within a few tenths of a percent The National Institute of Standards LH1 and Technology NIST maintains tables of thermodynamic properties of certain fluids Using these tables one may look up the necessary thermophysical property and calculate the with the same degree of accuracy as going directly to the referenced investigator Lastly for rare expensive gases or gases requiring special handling due to safety concerns one may look up specific heat properties in a variety of texts on the subject Usually data found in this manner applies only in the ideal gas case This method yields GCF s for ideal gases but as the complexity of the gas increases its behavior departs from that of an ideal gas Hence the inaccuracy of the GCF increases Hastings Instruments will continue to search for better estimations of the GCF s of the difficult gases and will regularly update the list Most Hastings flow meters and controllers are calibrated using nitrogen The correction factors published by Hastings are meant to be applied to these instruments apply the GCF s simply multiply the gas flow reading times the for the process gas in use Example Calculate the actual flow of argon passing through a nitrogen calibrated meter that reads 20 sccm multipl
53. ure 2 4 shows an arrangement using a separate loop supply which is isolated from the instrument power supply 401 405 SERIES 7 Signal Indicator 401 405 Fiqure 2 3 Wiring diagram showing the current loop supply powered by the instrument supply External Loop Power Supply Signal Indicator HFM 40 1 405 Figure 2 4 Wiring diagram showing the current loop powered by an external supply 401 405 SERIES 8 2 1 1 2 Voltage output If the flow meter is configured for a voltage output the signal will be available as a positive potential on pin 4 relative to pin 3 of the terminal strip Since these pins are galvanically isolated the signal cannot be read by an indicator between pin 4 and pin 1 of the terminal strip Pin 3 must be used as the return to properly read the output on pin 4 If an output that is referenced to power supply common 1s desired then pins 3 and 1 must be connected It is recommended that these signals be transmitted through shielded cable especially for installations where long cable runs are required or if the cable is located near equipment that emits RF energy or uses large currents Note When the meter is configured with a voltage output it cannot generate a signal that is more than a few mV below the zero volt value therefore the 0 5 volt and 0 10 volt units are limited their ability to indicate a negative flow with the analog signal 2 6 Digital Connection The digital signals a
54. ut However meters with 0 5 Volt 0 10 volt or 0 20 mA output are limited in their ability to indicate a negative flow with the analog signal since negative currents or voltages cannot be generated by the meter s circuitry 3 3 Digital Communications Many of the Hastings 400 Series flow meter s operating parameters such as the flow measurement alarm settings status or gas type be read or changed by digital communications The digital communications commands and protocols for each particular interface RS 232 RS 485 and Ethernet are treated in detail in the Software Manual However the function and interpretation of flow output and auxiliary input are also briefly presented here 401 405 SERIES 15 3 3 1 Digitally Reported Flow Output The flow rate be read digitally by sending an ascii F command preceded by the address for RS 485 The instrument will respond with an ascii representation of the numerical value of the flow rate in the units of flow specified on the nameplate label Example meter with RS 232 communications calibrated for 500 slm FS Computer transmits F HFM flow meter replies 137 5 This 1s interpreted as 137 5 slm of nitrogen equivalent flow In most situations the flow meter can measure beyond its range 1 a flow that exceeds the full scale or a reverse flow and report the value via the digital output While the meter can perform beyond its stated range the accurac
55. y if the instrument was originally configured as a bracket mounted unit the bracket may be directly mounted to a support structure The bracket mounting holes locations are the same as those for the flow meter base mounting See the outline drawing in Appendix 3 Section 6 3 2 5 Electrical Connection There are two electrical connectors on the Hastings 400 Series flow meters an analog terminal strip located within the electronics enclosure and a digital connector The analog connector provides for the power supply to the meter along with analog signals and functions As Such its use is required for operation The digital connector is used for communications in either of RS232 RS485 or Ethernet mode depending on the instrument s configuration The digital connector does not have to be used if the meter is operated as an analog only instrument 401 405 SERIES Terminal Strip Pin out Pins numbered right to left as viewed from the front 4 E Fow Output Auxiliary Input 8 Common 79 Remote zero Figure 2 2 Electrical connections for analog inputs outputs and power There are two possible connection methods to the analog terminal strip The standard method is by inserting a cable through the supplied cable gland with an external jacket that meets the specifications of the following caution note and tightening down the cable gland nut securely to seal against the cable jacket There
56. y of these values has not been verified during the calibration process Flows that exceed 160 of the nominal shunt range S46 response should not be relied upon See the software manual for further information 3 3 2 Digitally Reported Analog Input The flow meter can read the analog value present on pins 5 amp 6 of the terminal strip See Section 2 9 This function is typically used to read the analog output from a nearby sensor such as a pressure sensor or vacuum gauge This value is spanned for the same range as the analog output signal it reads volts for flow meter configured for 0 5 0 10 or 1 5 volt output and milliamps for flow meter configured for 0 20 or 4 20 milliamp output The value is accessed via the 526 software query as shown below Example A meter cahbrated for 0 5 volt output and RS 232 communications Computer transmits S26 HFM flow meter replies 2 532 This 1s interpreted as 2 532 volts 3 4 Zeroing the Instrument A proper zeroing of the flow meter is recommended after initial installation and warm up It is also advisable to check the zero flow indication periodically during operation Any uncertainty at zero flow 16 an offset value which affects all subsequent flow readings The frequency of these routine checks depends on factors such as the environmental conditions the desired level of accuracy and the desire to measure low flow rates relative to the meter full scale achieve the
57. y the reading times the GCF for argon 20 000 x 1 3978 27 956 Conversely to determine what reading to set a nitrogen calibrated meter in order to get a desired flow rate of a process gas other than nitrogen you divide the desired rate by the GCF For example to get a desired flow of 20 sccm of argon flowing through the meter divide 20 sccm by 1 3978 20 000 1 3978 14 308 That is you adjust the gas flow to read 14 308 sccm 401 405 SERIES 25 Some meters specifically the high flow meters are calibrated in air The flow readings must then be corrected twice Convert once from air to nitrogen then from nitrogen to the gas that will be measured with the meter In this case multiply the reading times the ratio of the process gas GCF to the GCF of the calibration gas Example A meter calibrated air is being used to flow propane The reading from the meter is multiplied by the GCF for propane and then divided by the GCF of air 20 x 0 3499 1 0015 6 9875 calculate a target setting 20 sccm to achieve a desired flow rate of propane using a meter calibrated to air invert the ratio above and multiply 20 x 1 0015 0 3499 57 2449 Gas Conversion lable for Nitrogen Rec Density Gas Symbol GCF Derived g L Z 25 C 1 atm 1 Acetic Acid 0 4155 4 2 700 2 0301 2 Acetic Acid Anhydride 0 2580 4 4 173 2 3384 Acetone 0 3556 4 2 374 1 7504 4 Acetonitryl CoH
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