Open - Flow Meters
Contents
1. ONY VIVO HL 2 19 ONY 0350712510 NOSIO 15 1 3HL DHIAYNO SS3 Wn XVWI gt DSI XVWA gt JOA 5 SNI AOT 03 AHL 1 LSNW INSWdINOA SIHL OL GSLOISNNOD 321A3 0 Q31VIOOSSV 0 51 9 SN NI NOILYTIVISNI A03 VSI ISNV ONY OZ YdaN ISN JSN JHL HLIA I LaVvd 3002 121412313 NVIQVNYVO JHL 11 323NVO O22V NI TIVLSNI S VOVN D NI NOILVTIVISNI LON LSNW WHO 600 0608 IL ANd 132 O 10N LSNW 1 SNDAAYZYH NON WNWIXVW SNOTLINALSNI 11 329NVO DOJOV NI GATIWLSNI 38 LSNW ONY NI NOILVTIVISNI 403 VDYNV2 NI NOILVTIVISNI 404 3H 1518 5 Hn 21 42 YW DOT xOW 51 88 XDUA 1 ALILNS 51 5310 51 ST JHL SV TWILNSLOd JHL LY 38 40 5 0 9 03177051 38 LSNW JHL 15 NO SHL ONY SLINDAID AHL H33 4138 011 7061 A 006 0 JHL LON 00 8321 30 353 1 SL10A 05 ONNOA9 S I 12. 12 Wiring for Frequency or Pulse Output Models eese eere eren 13 Figure 6 Frequency and Pulse Output 13 POWE RUT c R 14 14 PON Pa 15 jc UU U EOO 15 17 19 USER MENU 20 EERE Pone TINE 22 23 xn 2 24 Be em ae OTT 26 28 Tare Re Zero 29 ihe 31 Os ssim MEMINI NUNTII UNE 32 iori PET erase sn Sac serps tees nse aes 33 Pulsc ODU S N eE tbt isnt 34 Clhicckino Pate y NM MEM MINE NEM 35 36 0 R 36 Low Supply Voltage Indicator eene nns 37 38 HOW TO ORDER SINGLE GAS 1 40 DIMENSIONS ORFO SERIE Reb E euim 42 RETURN 0 43 WARRANTY INFORMA TION m 45 FSMAN 6 081214 Page 2 PROPRIETARY NOTICE The information contained in this publication 15 derived in part from proprietary and patented data This information has been prepared for the express purpose of assisting in installation operation and maintenance of the instru
3. 9 OL 338v 3SN LON LSNW LINN TOALNOIJ ATddNS 4 SISSYH2 SHOILV29O SNOOGSVZVH III 557 19 3 Sdhnas II 55 1 72 540049 I 55 12 NI 1 5321 30 WAN 20A ve HV3MISAO4 530 39IA30 WAN OL SHHD 052 07 6 0 082 10 1006 QYD1 1400 E v3av 1 15 M asl agava ST 031539905 lon Safe Installat insica Figure 4 Intr Page 11 mmm us 8 FSMAN 6 081214 Wiring for Voltage Output Models Figure 5 shows the wiring for voltage output models Optional wiring is also shown for alarm outputs For 0 5V models the supply voltage can be 10 30VDC Note Output voltage range must be specified at the time of ordering They cannot be interchanged by the user Supply 15 30VDC flow White Voltage Output 0 5V or 1 5V 0 10V or 2 10V Bi directional 0 5V asi Chassis Low Alarm Output Open collector VDC Vout Shield Tare Power Supply High Alarm m Low Alarm Optional Alarm Output Alarm Common Figure 5 Voltage Output Wiring FSMAN 6 081214 Page 12 Wiring for Frequency or Pulse Output Models Figure 6 shows the wiring for either frequency output or pulse output models Optional wiring is also shown for alarm outputs Note Frequency
4. F amp G CLASS HAZARDOUS LOCATIONS Earth Ground of the I S Barrier must be connected to the earth ground of the AC feeder supply The resistance between Intrinsically Safe ground terminals and A C Earth ground must be less than one Ohm suggested 1 5 Barrier R Stahl 9001 01 280 075 10 part number 8140 The Power Supply voltage is limited to 24 VDC Max The Power Supply Control Unit must not use or be able to generate more than 250 volts The Maximum Load that can be put on the system is 250 Ohms All repairs on the Flow Transmitter should be accomplished at the factory because any substitution of components may impair Intrinsic Safety FSMAN 6 081214 Page 10 4 IWI 1nd On Shes nant S3903 davHS HV3MISAO13 530 WIL 200 MD ST ONIMIA TIMI SuOLIMDH T S3719NV SS538dX3 JHL GOOF SWIG 311744 1356400 30 1573 55 1 ANY 01 035072510 40 La d NI 40 HI 0320001931 NOJN 2HI SYOLINOW 32V ld 1530034 10M SI ONY 01 38 01 3a 01 SI LIINI 1 9 SNOLLOVAS 1 30 BAISITIOXS JHI I1 lt VI MO14 TV SH3AINR
5. FSMAN 6 081214 Page 42 NOTICE RETURN MATERIAL AUTHORIZATION Please read the following UFM policy information carefully By following the guidelines outlined below you will assist in providing a timely evaluation and response regarding the status of your flowmeter UFM evaluates all AUTHORIZED RETURNED MATERIALS in a timely manner and will promptly provide notification regarding the status of the related materials and or a written quotation indicating the total charges and description of the necessary repairs All returns must have a RMA form completed by the customer Anymeter returned that was previously in service must have the OSHA requirements completed and a MSDS included where applicable An RMA number will only be issued when UFM has received a copy of the completed RMA form and any applicable MSDS Return Goods shipping label located in the back of the Instruction Manual must be used for returning materials to UFM Returned goods must be shipped prepaid or they will be rejected REPAIRABLE MATERIAL Written or verbal authorization to proceed with the repair under an assigned Purchase Order must be received within 30 days of repair quotation If the 5 repaired the 90 00 evaluation charge will be applied to the quoted repair costs If no repairs are authorized within this 30 day period the customer will be billed 90 00 plus shipping charges and the materials will be returned to the customer NON REPA
6. e Each flow sample takes about every 5 milliseconds to complete This 1s an additional delay that 1s inserted after the flow sample to slow down the flowmeter response time In some applications where the flowmeter 15 used in a feedback loop to regulate flow if the response time is too fast the system starts oscillating e The delay setting is only used when the meter operates in LS Low Speed mode It is ignored in HS High Speed mode FSMAN 6 081214 Page 23 Signal Averaging Available with Low Speed Single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V Bi directional Not Available with 0 1000 Hz 200 1200 Hz Pulse output Battery operated H y ENTISET A2 Press Al until AvG is displayed then release Press A2 The current setting will be shown This 1s a value between 1 16 and indicates how many flow samples are averaged moving average window size to calculate the output Press A1 to toggle between the values Press A2 to select the desired selection 5 The LCD will show End and the unit returns to normal operation pu e Each flow sample takes about every 5 milliseconds to complete The value is the size of the moving average array allowing for 1 to 16 samples to be averaged when the output 1s calculated This 15 used to slow down the flowmeter response time and provide a smoother output In some applications where the flowmeter 15 used in a f
7. 2188 NOTE Lowest maximum flow rates are 50 SCCM and 1 SCFH respectively NOTE The flows selected in each size must be less than or equal to the maximum OUTPUT Digital Visual Display with Output X1A 4 20mA 4 20mA with 2 alarms 4 20mA Intrinsically Safe 0 5 VDC 0 5 VDC with 2 alarms 0 10 VDC 0 10 VDC with 2 alarms 1 5 VDC 1 5 VDC with 2 alarms 2 10 VDC SPECIAL OPTIONS 2 10 VDC with 2 alarms CLEAN FOR OXYGEN SERVICE 0 1000 HZ ex 200 1200 HZ 10 FOOT CABLE D10 pulse out rate varies with size 0 5 VDC bi directional flow VACUUM USE 7 35 to 14 7PSIA ZVAC visual readout onl NOTE Also good for use at normal pressures No Visual Display with Output Z1A 4 20mA Z2A 4 20mA Intrinsically Safe Z 4A 0 5 VDC Z5A 0 10 VDC Z12A 1 5 VDC Z14A 2 10 VDC Z19A 0 1000 HZ 220 200 1200 2 222 pulse out rate varies with size Z 30A 0 5 VDC bi directional flow FSMAN 6 081214 Page 40 FSMAN 6 081214 Page 41 DIMENSIONS OF OFS SERIES Approximate n Flow Rate Maximum 120 SCFH Te ae s 1 4 18 NP 280 SCFH 2 59 66mm 0 93 24mm 1 4 18 NPT 520 SCFH 2 98 76mm 0 55 14mm 3 8 18 1 00 25mm 1000 SCFH 3 79 96mm 1 09 28mm 1 2 14 1000 SLPM 4 63 118mm 1 51 38mm 3 4 14 MOUNTING HOLES 0 28 7 1mm THRU 76mm 2 PLACES BATTERY IN OPTIONAL FLOW IN FLOW OUT 0 75 19mm 2 51 64mm BATTERY PACK
8. 081214 Page 16 When Totalizer readout exceeds 9 digits inclusive of decimal places display shows two lower vertical bars on the left side to indicate overflow The leftmost display segments will look like the following patterns Low order digits in overflow Middle order digits in overflow non High order digits in overflow CL LGL The count shown on the display remains accurate until a second overflow occurs 2 000 000 000 15 reached In this case vertical bar does not reflect how many times overflow has occurred Resetting the Totalizer e Press A2 until tot is displayed You must be in Totalizer mode first Hold A2 for 5 seconds Four rotating zeroes start to appear Continue holding A2 until all zeros are completed and tot is displayed again Then release A2 Note If A2 is released before the rotating zeroes are completed resetting of Totalizer 15 ignored iADJUST at Pressure 0 Hold until all 4 zeroes t 0 PR are completed FSMAN 6 081214 Page 1 Available with models in Low Speed mode Not Available with High Speed mode 1 Press A2 until Pr is displayed then release 2 ADJUST E Press until Pr is mnd displayed then release Pressure mode indicator ENTISET 2 Note 1 Pressure is displayed PSIA There is out
9. is displayed Then press and release A2 FSMAN 6 081214 Page 33 Pulse Output Setting Available with Low Speed single Gas Multi Gas Pulse Output Not Available with High Speed 200 1200 Hz 4 20mA 0 5V 1 5V 0 10V 2 10V 0 100 Hz Battery operated Bi directional The pulse output rate 15 typically 5000 pulse per minute for all models Pulse width 15 2 msec for all models To convert the above numbers to pulses per standard liters 29 66 pulses per standard cubic centimeters or pulse per standard cubic feet divide the pulse count by the full scale value of the particular flowmeter poe Example 1 The output for a 100 SLPM flowmeter is 5000 100 50 pulses per standard liters Example 2 The output for a 500 SCFH flowmeter 1s 300 000 500 600 pulses per standard cubic feet 5 000 x 60 minutes 300 000 pulses per hour ADJUST 1 p TE L A2 ALARM 2 To set the pulse rate press and release Al until PULS is displayed Press A2 the current pulse count will be displayed Then release A2 Press and release The displayed choices are 5000 2500 and 1250 When the desired value 1s selected press A2 to record it is displayed and the unit returns to RUN mode with the new setting FSMAN 6 081214 Page 34 Checking Battery Voltage Available with Battery operated bRtt L 1 Press and release Al until is d
10. or Pulse Output model must be specified at the time of ordering They cannot be interchanged by the user Supply 10 30VDC flow Or Pulse Output Chassis High Alarm Output Open collector Low Alarm Output Open collector 2 10 30 TE VDC Frequency or Shield Pulse Out Tare Power Supply High Alarm Low Alarm Optional Alarm Output Alarm Common Figure 6 Frequency and Pulse Output Wiring FSMAN 6 081214 Page 13 POWER UP At power up the following appears on the LCD Firmware Revision 5 67 or Higher 19 Electronics Revision h 5 5 It takes 2 seconds for these messages to be displayed during which time the output of the flowmeter is clamped at zero flow After 2 seconds the output signal starts indicating actual flow LCD READOUT If the flowmeter 15 configured for High Speed HS response the LCD only shows No other parameters can be viewed on the LCD this mode LCD in HS mode ALARM 1 Fur e In Low Speed 15 see Select Response Time the user can toggle readout between flow rate total pressure and temperature When in Run mode use A2 pushbutton to select The selection 15 stored in the internal memory so 11 power 15 removed from flowmeter it remembers the selection next time it is powered up Note The output signal and alarms always indicate flow rate FSMAN 6 081214 Page 14 Flow Rate Available wit
11. or the external wire the flowmeter output signal 15 frozen The level at which the output is frozen depends on what the most recent flow reading was prior to activating the tare input If you encounter a problem where flowmeter output does not respond to changes flow check for problems in the Tare wiring shorts to ground etc or a malfunctioning pushbutton Note 5 When not in use the Tare wire MUST either be left floating open circuit or taken high to the power supply voltage via a 10K pull up resistor When taring is not needed DO NOT hold the Tare line at voltages below the supply voltage This may leave the tare circuitry partially activated thus resulting in frozen or erroneous outputs Note 6 The external Tare wire 15 designed to be a momentary signal of 5 1010 seconds in duration Grounding this signal for long periods of time over many minutes may cause an internal damage to the tare circuitry when the supply voltage is above 18V FSMAN 6 081214 Page 30 Scaling the Output Span Available with Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V Not Available with High Speed 0 1000 Hz 200 1200 Hz Pulse Output Battery Operated Bi directional This feature 15 for scaling the analog output to a value other than the factory calibration For example for a 100 SLPM flowmeter with 4 20mA output the output can be spanned to 20mA at 75 SLPM The acceptable range is 25 12
12. scale FSMAN 6 081214 Page 2 Set Low Flow Alarm Available with High Speed Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V 0 1000 Hz 200 1200 Hz Pulse output Not Available with Battery operated Bi directional ADJUST 1 Press Al or press and release a few times until LFLo is displayed then release AT Use the same method as explained above Set High Flow Alarm to set the low flow alarm as follows 2 Press A2 and hold until the setpoint 15 displayed on the LCD Then release A2 The first digit starts blinking 3 Use AI to change the blinking digit 9 rolls over back to 0 4 Use A2 to select different digits 5 After the last digit momentarily press and release A2 to go back to the first digit again or continue holding A2 until is displayed Then release A2 Note 1 Valid setpoint range 1s 0 100 of full scale flow If the alarm value 15 set higher than full scale it is clamped at full scale upon exiting this menu Note 2 To disable the alarm set its value to zero Note 3 The red ALARM 2 LED comes on when flow drops below this setpoint This LED is in series with the drive circuit for the low alarm open collector output meaning that the output transistor 15 active whenever this LED 15 on Some models do not have any external wiring that connects to the alarm transistor see Model Codes The LED turns off when flow gt setpoint hysteresis Hysteresi
13. 0 of full scale The formula for the span factor 1s Full Scale x Factor Full Span Example 100 SLPM x 75 20mA 75 SLPM 20mA Values above 100 mean that the output signal 1s attenuated This may be desirable in cases where the flowmeter 15 over ranged up to 2090 of full scale When the span factor 15 changed from its factory setting there will be some loss of linearity accuracy and output resolution Please consult the factory for details m Press and release Al until SPAn is displayed Release Al 3 Use Al and A2 as shown under Set High Flow Alarm to type in a value that 15 between 25 0 and 120 0 This is the Factor percentage as shown in the above formula 4 When the desired factor is entered press and hold A2 until SEt is displayed Then release A2 p Note 1 The LCD always displays true flow in the factory calibrated units Spanning the output does not affect the LCD readout Note 2 If the Span Factor 15 set to a value that 15 outside the 25 0 120 0 range it 15 changed back to 100 0 upon exiting this menu FSMAN 6 081214 Page 31 Selecting Gas Available with High Speed Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V 0 1000 Hz 200 1200 Hz Pulse output Battery operated Bi directional Not Available with Single Gas 1 Press and release Al until GAS 15 displayed Then release AT 2 Press A2 the current selection will be displayed a
14. FliowStream Laminar Mass Flowmeters User Manual Series OFS Firmware Revision 5 79 UNIVERSAL FLOW MONITORS INC 1755 East Nine Mile Road PO Box 249 Hazel Park MI 48030 0249 TEL 248 542 9635 FAX 248 398 4274 http www flowmeters com FSMAN 6 081214 Page 1 TABLE OF CONTENTS PROPRIETARY NOTICE 3 NO MEPEA NOU EXAMPLE ec 4 GENERALSPECIFICATIONS T 5 BEECTRICAL SPECIFICATIONS 6 OPERA 98 0 7 Figure 1 Laminar 4 2 44 7 Uu AMI ATON c 7 Usine Plowstream at Varying TeriperabilteS 7 Using Plow Stream with Diferent 8 Reference Conditions for Mass Flow 8 IVIR 555 9 Wiring for 4 20mA 9 Figuro 2 Standard Transmitter VW 9 Figure 3 Required Supply Voltage vs Loop 10 Hazardous Bmyrompmie nt Wy r ime pi bM 10 Fieure d Intrmsicalty Sate Installation r inde 1 Wiring for Voltage Output Models 12 Peoc o
15. IRABLE MATERIAL If materials are found non repairable a written notice that the material is non repairable will be provided to the customer by UFM If no disposition to scrap or return the material is received from the customer within 30 days non repairable material will be scrapped and the customer will be billed the 90 00 evaluation charge If a UFM replacement unit is purchased within 30 days of non repairable condition notice the 90 00 evaluation fee will be waived The return of non repairable materials may be ordered by 2 customer Purchase Order shipping and handling charges will be assumed by customer RETURN FOR RESTOCK All goods returned for restock adjustment must be A New and unused B Returned to the factory within ONE YEAR of date of original shipment C Returned through the distributor where the goods were originally purchased D Returned material will be subject to an evaluation charge of 90 00 The customer will be advised of the restocking adjustment for all restockable goods Upon customer s acceptance of the restocking adjustment the 90 00 evaluation fee will be waived and UFM will issue a credit to the customer The customer will be advised of any non restockable goods and will be charged the 90 00 evaluation fee plus any shipping charges if goods are returned to the customer If no disposition is received by UFM within 30 days the goods will be scrapped and 90 00 evaluation fee will be billed WARRANT
16. IVERSAL SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL CONSEQUENTIAL SPECIAL PUNITIVE OR OTHER DAMAGES IN CONNECTION WITH ANY CAUSE OF ACTION WHETHER IN CONTRACT TORT OR OTHERWISE c Disclaimer of Other Warranties The express warranty in this Acknowledgment is in lieu of any other warranty express or implied Without limiting the foregoing UNIVERSAL DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE d Special Note About Fitness for a Particular Purpose This website and other materials of Universal may place products into or display products in categories according to function size construction materials or other property This 15 for organizational purposes only and NO PLACEMENT OF ANY PRODUCT IN ANY CATEGORY OR ANY PRESENTATION OF A PRODUCT IN RELATION TO OTHER PRODUCTS WILL CONSTITUTE A WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE 5 PROHIBITED USES As a condition of the sale of goods or services buyer will not use sell distribute or otherwise transfer for use or permit to be used sold distributed or otherwise transferred any product purchased from Universal for any of the following uses a Nuclear Energy Applications Any application involving directly or indirectly 1 exposure of any product to any hazardous properties of nuclear material 11 dependence on the proper functioning of the product for the operation of a nuclear facility by any per
17. QUE Ui Vmax 28V li imax 100 mA Ci 12 nF Li 1 3 uH CSA T3C FSMAN 6 081214 Page 4 GENERAL SPECIFICATIONS Flow Ranges Turndown Ratio Maximum Operating Pressure Burst Pressure Pressure Effect on Accuracy Maximum Operating Temperature Minimum Operating Temperature Temperature Effect on Accuracy Maximum Pressure Drop Process Connections Wetted Parts Sensors Flow Body Internals Enclosure Rating Display Approvals FSMAN 6 081214 500 SCCM full scale to 1 000 SLPM full scale 1 SCFH full scale to 2 100 SCFH full scale 100 1 100 PSIG 200 PSIG Less than 0 03 F S PSI 176 F 80 C 13 F 25 C Less than 0 03 F S F 1 5 PSI at F S flow from inlet port to outlet port 1 4 7 3 8 1 2 3 4 NPT female Glass filled nylon alumina based ceramic silicon gold epoxy Anodized aluminum Viton stainless steel Type 4 4 digit LCD digital display 0 35 high CE CSA Intrinsic Safety all classes and divisions with proper zener barrier Page 5 ELECTRICAL SPECIFICATIONS Accuracy Including Linearity and Repeatability Flow Pressure Temperature Totalizer Output Signal Analog Frequency Pulse Response Time Alarms Open Collector Rating Electrical Connection Supply Voltage Supply Current 1 of full scale for flowmeters sized from 15 566 SLPM 31 1200 SCFH of Air 2 of full scale for flowmeters sized for lower than 15
18. SLPM 30 SCFH of Air 2 of full scale for flowmeters sized for higher than 566 SLPM 1201 SCFH of Air PSI See Note 1 3 F 0 25 of full scale in addition to flow accuracy 4 20 mA 2 wire loop powered 0 5 V 0 10 V 1 5 V 0 5 V Bi directional 2 5 V 0 flow 0 1000 Hz 200 1200 Hz 0 3V signal amplitude 1 250 5 000 pulses minute user selectable 0 3V pulse amplitude 2 msec pulse width 5 100 msec step response user selectable 2 independent open collector outputs high low flow rate with corresponding LEDs 30VDC at 50 mA 4 or 7 conductor shielded pigtail cable 10 30 VDC Standard 12 24 VDC Intrinsically Safe 7 2 9 VDC for battery operated units See Note 2 22 mA F S flow includes over range for 4 20 mA loop powered transmitters 5 mA for voltage frequency and pulse outputs 3 5 mA for battery operated units See Note 2 Note 1 Pressure temperature and totalizer are only displayed on the LCD No output signal 15 available for these parameters Note 2 Battery operated units require a standard 9V alkaline battery and will operate for over 100 hours continuously An On Off switch allows the user to turn the power off thus conserving the battery life These flowmeters have no output signal FSMAN 6 081214 Page 6 OPERATION FlowStream flowmeters accurately measure the mass flow rate of most gases The flow rate 15 determined by measuring the pressure drop across a un
19. Y RETURNS Warranty returns must be shipped prepaid to UFM UFM will review the goods and advise the customer of the evaluation and validity of the warranty claim Valid warranty claims will be repaired or replaced at no charge No evaluation fee will be charged for repairs made under warranty Return shipping costs will be prepaid by UFM Should UFM determine returned material not to be defective under the provisions of UFM s standard warranty the customer will be advised of needed repairs and associated costs All materials returned for warranty repair that are determined not to have a valid warranty claim will be subject to the Repairable Material policy outlined above WARRANTY INFORMATION 1 ACCEPTANCE AND INTEGRATION CLAUSE This Sales Order Acknowledgment and the sales order information that Universal Flow Monitors Inc Universal attaches to or associates with it herein Acknowledgment constitutes an acceptance by Universal of an offer by the buyer upon the conditions and terms and at the prices stated in this Acknowledgment The Acknowledgment contains the entire understanding of Universal and the buyer regarding the subject matter of said Acknowledgment This Acknowledgment may only be modified by a written agreement signed by the party against whom enforcement is sought 2 WAIVER Waiver by Universal of any default s by the buyer shall not constitute waiver by Universal of any of the conditions ofthe agreement between Universal
20. and the buyer as set forth hereunder with respect to any further or subsequent default by the buyer 3 FORCE MAJEURE Universal shall not be responsible for failure or delays in deliveries due to fire strikes breakdowns acts of God failure of carriers inability to secure required materials or other causes beyond Universal s control Buyer waives any claims for damage arising by virtue of delay in delivery of material by Universal 4 LIMITED WARRANTY a Warranty For a period of one year from the date of manufacture Universal warrants that each product covered by this Acknowledgment will be free from defects in material and workmanship In order to qualify for any remedy provided in this Acknowledgment buyer must give notice to Universal within the one year period return the product to Universal freight paid and intact with Material Safety Data Sheets covering all substances passing through the product or that form a residue on the product b Exclusive Remedy The buyer s EXCLUSIVE REMEDY for failure of any product to conform to any warranty or otherwise for any defect is at Universal s sole option 1 repair 11 replacement or 11 refund of the entire purchase price for the specific product Without limiting the foregoing in no case will Universal be liable for de installation of any defective product or installation of any repaired or replaced product THIS REMEDY ISTHE EXCLUSIVE REMEDY AVAILABLE TO THE BUYER OR ANY OTHER PERSON UN
21. ated ius gt Press and release IT SET ALARM 2 Press A1 until rESP is displayed then release Press A2 Either HS high speed or LS is displayed showing the current setting Press Al to toggle between the two options Press A2 to select the desired selection The LCD will show End and the unit returns to normal operation eo If HS is selected the LCD will only show run The analog output is updated as quickly as a single flow sample 15 acquired which 15 about every 5 milliseconds If LS is selected the LCD will show the flow rate and the flow signal 1s averaged to provide a smoother output The step response for low speed output 15 determined by the sample delay if any and the signal averaging array size These values are user selectable see the next section FSMAN 6 081214 Page 22 Sampling Delay Available with Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V Bi directional Not Available with 0 1000 Hz 200 1200 Hz Pulse output Battery operated M Press and release dELS ENT SET A2 1 Press Al until dELY is displayed then release 2 Press A2 The current setting will be shown This is a value between 0 9 in milliseconds 3 Press Al to toggle between the values 4 Press A2 to select the desired selection 5 The LCD will show End and the unit returns to normal operation
22. ctory for additional information Reference Conditions for Mass Flow Measurement Although the correct units for mass are expressed in grams kilograms etc it has become somewhat standard that mass flow rate 1s specified in SLPM standard liters per minute SCFH standard cubic feet per hour or other similar units This means that the mass flow rate 15 calculated by normalizing the volumetric flow rate to some standard temperature and pressure STP By knowing the gas density at that STP one can determine the mass flow rate in grams per minute kilograms per hour etc STP is usually specified at sea level conditions however no single standard exists for this convention UFM uses STP of 70 F and 14 7 PSIA Note If used outside the parameters specified in this manual the proper operation of the flowmeter cannot be guaranteed FSMAN 6 081214 Page 8 WIRING DIAGRAM Wiring for 4 20mA Transmitters Figure 2 shows a typical 2 wire 4 20 transmitter wiring for use with FlowStream flowmeters Maximum loop resistance is related to the available supply voltage Since the flowmeter requires 10 volts to operate the voltage drop across the loop resistance at full scale flow output 20mA must be added in to determine the minimum supply voltage For example if a 100 ohm resistor 15 used to convert the current signal to voltage the voltage drop across the resistor will be 0 4 2 volts for 4 20 mA respectively Minimum required loop vo
23. eating and cooling of the flowmeter body Itis highly recommended that through proper installation the following two objectives be met There be minimal difference between gas temperature and ambient temperature Rapid temperature variations be avoided FSMAN 6 081214 Page The internal temperature sensor 15 located above inlet port very close to where gas enters the meter This ensures accurate measurement of the gas temperature However because the temperature sensor 15 embedded inside the flowmeter body 11 ambient temperature 15 different from gas temperature there would be a discrepancy between what the sensor reads and the true gas temperature The flowmeter body would track ambient temperature while gas temperature would heat cool the body at a different rate Likewise 11 temperature variation 1s rapid the flowmeter body may not follow it quickly enough due to the mass of the metal flow chamber which in turn would result in inaccurate measurement of gas temperature For optimal performance always allow two to four hours from the time the ambient and gas temperatures are stabilized to when the first flowmeter reading 1s taken Using FlowStream with Different Gases FlowStream flowmeters can easily be used to measure the flow rate of other gases as long as the gas compatibility criteria are observed For example a flowmeter that 1s factory calibrated for air can be used to measure the flow of Argon Consult Fa
24. eedback loop to regulate flow if the response time is too fast the system starts oscillating e The delay setting 15 only used when the meter operates in LS Low Speed mode It is ignored in HS High Speed mode FSMAN 6 081214 Page 24 Step Response Examples LL LL LE LE PE LI L Laub LL LL LL LEE 5 Delay N A AVG N A 10 ms div COC pT LLL LLLI LL LE LEE LE Response LS Delay 0 AVG 1 10 ms div Pt tT tdi tt LLLI LLL Lg LLL LL LL Response LS Delay 0 4 10 ms div FSMAN 6 081214 Response LS Delay 9 8 50 ms div Page 5 Set High Flow Alarm Available with High Speed Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V 0 1000 Hz 200 1200 Hz Pulse output Battery operated a Press and release ALARM 1 i l H 1 L Press Al until HFLo is displayed then release 1 2 Press A2 and hold until the setpoint 15 displayed on the LCD in this example high flow alarm 1s set at 80 0 Then release A2 The first digit starts blinking ADJUST A nn eus Press and hold 3 Use AI to change the blinking digit The setpoint 15 changed one digit at a time increments each individual digit 9 rolls over back to 0 while A2 15 used
25. en release A2 10 The LCD will show a 3 or 4 digit reading 11 Observe this reading for about 10 seconds to make sure it 15 stable Then record the low and high values encountered during the 10 seconds d p Differential pressure sensor reading 689 is displayed 12 Press A2 until is displayed then release A2 13 The LCD will show a 3 or 4 digit reading 14 Observe this reading for about 10 seconds to make sure it 15 stable Then record the low and high values encountered during the 10 seconds iuf Absolute pressure sensor reading is H p displayed 15 Press A2 to reset the unit and return to RUN mode or alternately remove and re apply power to the unit FSMAN 6 081214 Page 39 HOW TO ORDER A SINGLE GAS FLOWMETER Select the appropriate symbols to build a model code Example OFS E F 3 A 200 SLPM T X1B 010 MATERIALFOR METER BODY FOR METER BODY Anodized Aluminum 316 Stainless Steel THREAD TYPE FOR THREADED PORT Viton Buna N gon l i l EIER A I PIPE SIZE in Inches MAXIMUM FLOW IN SLPM V4 2 128 107 64 16 26 107 16 128 Lus Hes 2 asr wo 208 228 eee ir 581 34 6 1000 500 09 1999 909 1000 MAXIMUM FLOW IN Lu 2 zm zo wp ss go zo ean 500 417 250 455 1000 417 455 Ce a T net ner n Famn 2188 1824 1094 1989 4377 1824 1989
26. ernal sensors It 15 strictly a passive troubleshooting tool THERE ARE NO USER SERVICEABLE PARTS INSIDE THE FLOWMETER If any parts of the flowmeter are removed or unscrewed the warranty becomes void and UFM assumes no responsibility for the proper operation and or safety of the unit If the operation of the flowmeter seems unstable or incorrect contact the factory for a step by step diagnostic You will be asked to enter the Diagnostic mode as show below and report the value for each sensor This would provide sufficient information for determining if an internal component has failed To enter Diagnostic mode i I D ses Enter rAtE mode see Flow Rate Remove power from the unit Press A2 and hold Turn the power back on Continue holding A2 until is displayed Release A2 and immediately press A1 before the horizontal bars appear ADJUST H Press and hold before applying L ont 4 power then turn the power Aus Press and hold Er Set When dIAG is displayed release Al me es Re l case ALARM 1 d The LCD will show t1 for one second followed by a 3 or 4 digit reading Observe this reading for about 10 seconds to make sure it 15 stable Then record the low and high values encountered during the 10 seconds o Temperature sensor reading is displayed FSMAN 6 081214 Page 38 9 Press A2 until dP is displayed th
27. for installation in or on aircraft 3 Any ground handling tools or equipment used with aircraft 4 Any aircraft training aids instructions manuals or blueprints and 5 Any engineering labor or other services involving aircraft Hazardous properties include radioactive toxic or explosive properties Nuclear facility means a Any nuclear reactor or b Any equipment or device designed or used for 1 Separating the isotopes of uranium or plutonium 2 Processing or utilizing spent fuel or 3 Handling processing or packaging waste Nuclear material means source material special material or by product material Nuclear reactor means any apparatus designed or used to sustain nuclear fission in a self supporting chain reaction orto contain a critical mass of fissionable material Property damage includes all forms of radioactive contamination of property Source material special nuclear material and by product material have the meanings given them in the Atomic Energy Act of 1954 and any regulation promulgated thereunder as the same may be amended from time to time Spent Fuel means any fuel element or fuel component solid or liquid that has been used or exposed to radiation in a nuclear reactor Waste means any waste material 1 containing by product material and 2 resulting from the operation by any person or organization of any nuclear facility
28. for recording the new digit value and selecting the next digit 4 Use A2 to record the new value and select the second digit Press and release to sous M change the value T H py ri Press to record new value ADJUST mnn AA NLS Us Press and hold after the last digit ALARM 2 5 After the last digit is set continue holding A2 until is displayed If you want to change the first digit again do not hold A2 Momentarily press and release A2 and the first digit starts blinking again 6 When finished recording the new setpoint SEt is displayed release A2 FSMAN 6 081214 Page 26 ADJUST A 55 ean es Release Note 1 Valid setpoint range 15 0 100 of full scale flow If the alarm value 15 set higher than full scale it 15 clamped at full scale upon exiting this menu Note 2 To disable the alarm set its value to zero Note 3 The red ALARM 1 LED comes on when flow exceeds this setpoint This LED 15 in series with the drive circuit for the high alarm open collector output meaning that the output transistor is active whenever this LED 15 on Some models do not have any external wiring that connects to the alarm transistor see Model Codes In this example the high alarm had been set for 80 0 therefore the red LED was activated when flow reached 80 1 The LED turns off when flow gt setpoint hysteresis Hysteresis 15 5 of full
29. h All models in Low Speed mode Not Available with High Speed mode In Run Mode 1 Press 2 or press and release a few times until is displayed 2 Release A2 The flowmeter will display Flow Rate r H L E Press until rATE ot Gs Shown then release Totalizer Available with Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V 0 1000 Hz Battery operated Not Available with 200 1200 Hz Pulse output Bi directional Note In order to view the Totalizer it must first be Started in the User Menu see Totalizer ON OFF 1 The first time A2 15 pressed rATE is displayed as shown above to indicate the current selection Press A2 again until tot is displayed 2 Release A2 ADJUST A1 L n L Press until tot shown then release FSMAN 6 081214 Page 15 Viewing Totalizer The Totalizer value 15 displayed in three 3 digit groups 9 digits total as shown ADJUST E ALARM 1 This 15 low order 3 digits 000 through 999 as indicated by one horizontal bar on the left ofthe LCD The low order digits may or may not include a decimal point This depends on the displayed units rate mode Maximum Totalizer reading 15 therefore scaled according to the decimal point position and 15 between 999 999 999 999 999 999 3 Use AI to toggle between the different Totalizer digit g
30. ique internal restriction known as Laminar Flow Element LFE The restriction 1s designed such that the gas molecules are forced into moving in parallel paths along the entire length of the passage for the entire range of operation of the device Unlike other pressure flow measuring devices the relationship between pressure drop and flow 15 inear in laminar flowmeters FlowStream mass flowmeters utilize an absolute pressure sensor along with a temperature sensor to compensate for density variations of the gas When combined with the differential pressure volumetric flow output the mass flow rate of the gas can be determined DIFFERENTIAL PRESSURE SENSOR TEMPERATURE ABSOLUTE Ay FLOW SENSOR PRESSURE SENSOR ELEMENTS Figure 1 Laminar Flow Illustration APPLICATIONS FlowStream flowmeters are designed to work with non corrosive non ionic clean dry gases only Introduction of liquids to the internal sensors will damage the unit and the repair is not covered under warranty Relative humidity of the gas can be as high as 100 as long as proper installation guarantees that no internal condensation will occur A 50 micron filter and or dryer may be required for some applications Using FlowStream at Varying Temperatures Even though FlowStream flowmeters measure true mass flow rapid variations in ambient and or gas temperature may affect performance This is due to the time lag of the internal temperature sensor and the slow h
31. isplayed 2 Press and hold A2 to read the battery voltage 3 Release A2 when done This feature 15 intended for checking how much battery life 15 left Typically when a 9V alkaline battery voltage drops to 7 5V it should be replaced Note 1 The microprocessor continuously monitors the battery voltage during operation When the voltage drops to 7 5 V during RUN mode the two red LEDs start blinking This means you have a few more hours of reliable operation left 3 5 hours of battery life left a 7 Lf ced In this example the LCD shows zero flow It will be indicating actual flow when in use Note 2 When the battery voltage drops to 7 1 V both red LEDs stay on solid to indicate that the internal circuitry no longer has a stable reference voltage to operate In this case the flowmeter will start to show erroneous readings You MUST replace the battery at this point Replace battery 2 nnn 7 8 FSMAN 6 081214 Page 35 SPECIAL FEATURES Factory Reset This feature 15 provided to override all user configurable parameters and replacing them with the original factory settings It is a useful tool 11 the user is unsure how he she has programmed some of the parameters To enter the Factory Reset mode 1 Remove power from the unit Press A2 and hold 3 Turn the power back on Continue holding A2 until rSEt is displayed followed by 4 sets of horiz
32. ltage in this case 15 12 volts as shown Likewise the voltage drop for a 250 ohm resistor 15 1 5 volts requiring a minimum of 15 volts supply Please refer to the graph in Figure 3 Red Supply 12 30VDC Standard 12 24 VDC Intrinsically Safe Supply DC GND ake oo S White White Not Used Donotconect not connect Shield Internally Grounded to Chassis Blue High Alarm Output Open collector Low Alarm Output Open collector mU Tare Resistor High Alarm um Low Alarm Alarm Common um Power Supply Optional Alarm Output Figure 2 Standard Transmitter Wiring DO NOT Use for Intrinsically Safe Applications Note Shield wire shown as gray may be connected to an external chassis ground to improve electrical noise immunity However care must be taken not to connect this ground to signal ground FSMAN 6 081214 Page 9 Ohms 0 100 1000 Figure 3 Required Supply Voltage vs Loop Resistance Hazardous Environment Wirin Intrinsically Safe wiring must be installed in accordance with Article 504 of NEC ANSI NPF 70 and Control Drawing Number 7577 Revision 00 Figure 4 below The transmitter approval by the Canadian Standards Association for installation in Hazardous environments 15 based installation through an Intrinsic Safety Barrier The Transmitter when wired through the I S Barrier 1s suitable for use in CLASS I GROUPS A B C amp D CLASS II GROUPS
33. ments described herein Publication of this information does not convey any rights of use or reproduction other than in connection with the installation operation and maintenance of the equipment described herein Universal Flow Monitors Inc reserves the right to change the information contained in this publication at any time and without prior notice Serial numbers are formatted as YY MM ID 000 year MM month ID product identifier 000 through 999 three digit sequential number FSMAN 6 081214 Page 3 NAMEPLATE EXAMPLE B owSt Universal Flow Monitors Inc Tel 248 542 9635 OFS EF 3A200SLPM T X2A OFS5 79 4520 S N 070310000 JPE 4 FI owSt Universal Flow Monitors Tel 248 542 9635 MN OFS EF 3A200SLPM T X1B D10 R OFS5 79 4520 S N 070310000 FLOW 4 Firmware revision Intrinsically Safe flowmeters must include 2 or 72 in the Model Code Model Code The Intrinsically Safe flow transmitters have the following label TELEMETERING EQUIPMENT FOR USE HAZARDOUS LOCATION INTRINSICALLY SAFE SECURITE INTRINSEQUE SUITABLE FOR USE IN CLASS I GROUPS A C D CLASS GROUPS 8 CLASS Ill Exia HAZARDOUS LOCATION TO MAINTAIN INSTRINSIC SAFETY INSTALL PER CONTROL DRAWING 7079 WARNING SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY AVERTISSEMENT LA SUBSTITUTION DE COMPONSANTS PEUT COMPREMETTRE LA SECURITE INTRINSE
34. ontal bars This will take approximately 10 seconds Then release A2 4 Theunit will then reset itself and start in RUN mode ADJUST H p E Press and hold before applying L em power then turn the power on ADJUST A1 ALARM 1 ENT SET 2 ALARM 2 x ADJUST A1 Continue holding until M all digits are completed ALARM 1 don Xr FSMAN 6 081214 Page 36 Low Supply Voltage Indicator If the supply voltage drops below acceptable levels the two Alarm LEDs will either flash or turn on solid If the alarm outputs are wired the signal will track the LED states to indicate that the operation of the flowmeter 15 unreliable This 1s a useful tool in situations when multiple instruments are connected to one power supply thus loading the supply voltage down Another example 15 when the loop resistance for a 4 20mA flow transmitter is too high leaving insufficient voltage for the flowmeter to operate properly see Figure 3 Note 1 This feature 15 only available when flowmeter response time 15 configured for Low Speed 1 5 Note 2 This feature 15 not available with 4 20 mA output option Low Supply Voltage nnn 2 nnn 7 In this example the LCD shows zero flow It will be indicating actual flow when in use FSMAN 6 081214 Page 37 Diagnostic Mode This feature 15 provided to observe the state of the int
35. put signal for pressure Note 2 Alarm LED flashes to indicate that the LCD readout corresponds to line pressure and not flow FSMAN 6 081214 Page 18 lemperature Available with models in Low Speed mode Not Available with High Speed mode 1 Press A2 until t is displayed then release A2 iuf Press until t 16 s displayed then release Temperature mode indicator Note 1 Temperature is displayed in degrees Fahrenheit There is no output signal for temperature Note 2 Alarm 2 LED flashes to indicate that the LCD readout corresponds to gas temperature as well as which 18 shown after the temperature reading FSMAN 6 081214 Page 19 USER MENU The following features and options can be selected viewed and changed by the user Response Time Select between high speed 5 msec and low speed up to 50 msec sample Delay Sampling delay from 0 9 msec signal Averaging Array size for the moving average 1 16 samples High Flow Alarm From 0 100 of full scale Low Flow Alarm From 0 100 of full scale Tare Correct small zero shift errors Span Scale the output signal from 25 120 Gas Select one of 8 common gases Totalizer Start Stop the Totalizer Pulse Output Select pulse rate and width Battery Monitor battery voltage General Notes e These features apply to flowmeters with a built in LCD display For units
36. roups Hus oo Press and release MA This 15 middle order 3 digits 1 000 through 999 000 as indicated by two horizontal bars on the left of the LCD wus oo Press and release rere ENTISET S A2 This 1s the high order 3 digits 1 000 000 through 999 000 000 as indicated by the three horizontal bars on the left of the LCD Note 1 Output signal 1s always indicative of Flow Rate regardless of what the LCD 1s displaying Note 2 The Totalizer 1s updated every 100 msec Therefore flow variations that happen faster that 100 msec cannot be accumulated accurately In order to meet the specified accuracy of the Totalizer flow must be steady within each 100 msec sampling window preferably even longer to ensure each sample is captured accurately Note 3 Rate Alarms are active in the background and their corresponding LED lights up when alarm condition 15 encountered Response time for the Rate Alarms 15 50 msec since the flowmeter 1s running in Low Speed mode Note 4 The Totalizer reading 1s saved once every 5 minutes in the non volatile memory This means that the maximum error due to power loss can be up to the last 5 minutes of operation This 15 also the response time for the Rate Alarms The reading can be saved by the user at any time e g the end of a batch by pressing A2 tot is displayed followed by pressing A1 while still holding A2 FSMAN 6
37. s on the LCD instead of SEt This is a visual indicator that the tare process encountered an error This error condition applies to both pushbutton and external wire taring Note 3 There is an internal memory check that monitors for proper recording of the zero value This includes a series of redundant memory locations that serve as backup If an error occurs 1 a recorded value does not match what was written to the memory the flowmeter ignores the new setting and reverts back to factory calibration Such an error 15 displayed as 1 2 following a tare attempt and also at power up If you encounter this error message please contact the factory for further assistance FSMAN 6 081214 Page 29 USING external Tare wire Refer to Figure 2 Figure 5 or Figure 6 showing the proper connection between the external Tare wire and ground Short this wire to ground for a minimum of 5 seconds Tare will be displayed as soon as the wire 15 grounded and remains displayed until the internal tare 15 successfully completed upon which time SEt will be displayed If the ground connection is removed from the Tare wire in less than 5 seconds the tare request is ignored and SEt will NOT be displayed This time delay feature 1s implemented to prevent accidental grounding of the external wire Notes and 2 above also apply to external taring Note 4 When taring 15 taking place either through pushbuttons
38. s 1s 5 of full scale FSMAN 6 081214 Page 28 Re Zero the Flowmeter Available with ALL MODELS Important Notice Because of the excellent sensitivity of these flowmeters small readings may actually indicate leaks 1n the system and should not be zeroed out Ensure that there 1s no flow through the device when attempting to tare the output The flowmeter can be tared in two ways e byusing the pushbuttons e by grounding the Tare wire the brown wire USING pushbuttons ADJUST At ALARM 1 H ENTISET A2 ALARM 2 Press and release A1 until The LCD will show Tare Press and hold A2 The display will show 0000 after 5 seconds This is shown as 4 rotating zeros on the LCD m LY y 9 K Ar nf Hold until all 4 zeroes 0 334 d gt eA wA Yay e e qre completed EA is then displayed Note 1 If A2 is released before all 4 zeros are completed the tare request will be ignored Note 2 There 15 a limit within which flowmeter can be tared This limit 15 about 8 of full scale The actual shift in zero reading 15 typically far less drastic in the order of 1 2 If the flowmeter indicates a reading higher than 8 of full scale it cannot be tared because this may indicate that either there 1s flow through the device or an internal component has physically failed If you attempt to tare under this condition the flowmeter display
39. s shown 3 Use AI to change the gas number according to the following list ENT M EE mW 4 amp 9 Methane 196 Bs 8 Owen 5 Note There is additional degradation of accuracy when gases other than Air are selected This is shown in the column next to each gas and must be added to the standard accuracy of the unit as shown under Electrical Specifications FSMAN 6 081214 Page 32 Totalizer ON OFF Available with Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V 0 1000 Hz Battery operated Not Available with High Speed 200 1200 Hz Pulse output Bi directional pes peus Press and release Al until tot is displayed Release 1 Press A2 If the Totalizer is running the LCD will show If you need to stop the Totalizer press and release 1 This feature may be useful to prevent the Totalizer from counting during setting up a batch process If the LCD shows off this means the Totalizer 15 not running and it cannot be accessed in RUN mode see Totalizer In this case the current Totalizer count 15 preserved and will not change when there is flow through the unit ADJUST AT J ALARM 1 i A2 ALARM 2 To START the Totalizer press and release A1 until the LCD shows on Then press and release A2 to record the setting Likewise to STOP the Totalizer press and release Al until off
40. son or organization 11 use in or for any equipment or device used for the processing fabricating or alloying of special nuclear material if at any time the total amount of such material on the premises where such equipment or device is located consists of or contains more than 25 grams of A Plutonium any isotope or Uranium 233 or any combination thereof B more than 250 grams of Uranium 235 iv use in or for the control of any aspect of any structure basin excavation premises or place prepared or used for the storage or disposal of waste The foregoing include without limitation any application involving nuclear material contained in spent fuel or waste that 15 possessed handled used processed stored transported or disposed of any application related to the furnishing of services materials parts or equipment in connection with the planning construction maintenance operation or use of any nuclear facility b Aircraft Applications Any application involving direct or indirect installation in or on or use in connection with any aircraft or aircraft product c Definitions As used in this section the following definitions apply whether the terms use initial capitals or not Aircraft includes powered and non powered winged aircraft missiles spacecraft and other aeronautical craft or mechanisms Aircraft product includes 1 Any ground support or control equipment used with any aircraft 2 Any article designed
41. without the display consult the factory to check what options can be preset at the factory e Two pushbuttons are provided for user interface Al ADJUST pushbutton is used to scroll through the user menu and its options and A2 5 is used to select the feature of interest When the flowmeter is in high speed HS mode the LCD displays run and no other parameters can be viewed This 15 for achieving the fastest possible response time 5 msec and minimizing the CPU overhead FSMAN 6 081214 Page 20 OFS Menu Structure and Feature Compatibility X X X Response Time High Speed Low Speed 1 A2 A2 Low Speed settings Sampling Delay Add additional delay of 0 9 msec Low Speed settings Signal Averaging Select array size of 1 16 Al A2 A2 X X X X High Flow Alarm Use and A2 to set value 2 X X X Low Flow Alarm X X 7 2 2 X X X X X Select Gas Use to select Gas1 Gas8 1 2 1 2 1 2 2 1 2 Hold A2 to display It Al End 200 1200 Hz Pulse output Low speed only 4 20mA 0 5V 0 10V High speed 4 20mA 0 5V 0 10V 0 1000 Hz Low speed Battery operated Bi directional 0 5V only FSMAN 6 081214 Page 21 Select Response Time Available with High Speed Low Speed single Gas Multi Gas 4 20mA 0 5V 1 5V 0 10V 2 10V Bi directional Not Available with 0 1000 Hz 200 1200 Hz Pulse output Battery oper
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