Manual - Global Test Supply
Contents
1. x Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly44f eps Figure 19 Calibrating a Thermocouple Transmitter 42 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Calibrating a Pressure Transmitter Calibrating a Pressure Transmitter The following example shows how to calibrate a pressure transmitter Connect the Calibrator to the instrument under test as shown in Figure 20 Proceed as follows 1 Press V34 for current upper display If required press again to activate loop power Press 2 J lower display If necessary press for SOURCE mode Zero the pressure module ak oh Perform checks at 0 and 100 of span and adjust the transmitter as necessary 43 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Hand Pump Measure mA Source Pressure Ta 12 V Loop Power FLUE 725Ex Deen Enabled Pressure Module source2. aly19f eps Figure 18 Connections for Sourcing Pressure sales GlobalTestSupply com Setting 0 and 100 Output Parameters For current output the Calibrator assumes that 0 corresponds to 4 mA and 100 corresponds to 20 mA For other output parameters the 0 and 100 points must be set before use of the step and ramp functions Proceed as follows 1 If necessary press for SOURCE mode 2 Select the desired source function and use the arrow keys to enter the value Our example is temperature source using 100 C and 300 C values for source 3 Enter 100 C and press and hold to store the value 4 Enter in 300 C and press and hold to store the value Quality Fluke Products Online at www GlobalTestSupply com Mulitfunction Process Calibrator Setting 0 and 100 Output Parameters This setting may now be used for the following e Manually stepping an output with 25 increments e Jump between the 0 and 100 span points by momentarily pushing or 10 Stepping and Ramping the Output Two features are available for adjusting the value of source functions e Stepping the output manually with the and keys or in automatic mode e Ramping the output Stepping and ramping apply to all functions except pressure which requires use of an external pressure source Manually Stepping the mA Output To manually s
3. STORE SETUP RECALL FA Red Pa Black Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly28f eps Figure 21 Calibrating a Current to Pressure I P Transmitter Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Switch Test To perform a switch test follow these steps Note This example used a normally closed switch The procedure is the same for an open switch but the display reads OPEN instead of CLOSE 1 Connect the Calibrator mA and COM terminals to the switch using the pressure switch terminals and connect the pump from the Calibrator to the pressure switch The polarity of the terminals does not matter 2 Make sure the vent on the pump is open and zero the Calibrator if necessary Close the vent after zeroing the Calibrator 3 Press and hold the upper display button for three seconds to enter switch test mode The upper main display indicates the applied pressure CLOSE will be displayed to the right of the pressure reading to indicate closed contacts 4 Apply pressure with the pump slowly until the switch opens Mulitfunction Process Calibrator Switch Test Note Pressure the device slowly to ensure accurate readings Run the test several times to confirm repeatability OPEN displays once the switch is open Bleed the pump slowly until the pres
4. STORE SETUP RECALL Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly34f eps Figure 20 Calibrating a Pressure to Current P I Transmitter 44 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Calibrating an I P Device Calibrating an I P Device The following test allows calibration of a device that controls pressure Proceed as follows 1 Connect the test leads to the instrument under test as shown in Figure 21 The connections simulate a current to pressure transmitter and measures the corresponding output pressure Press 2 upper display gt Press Y mA for sourcing current lower display If necessary press for SOURCE mode Enter the desired current by pressing and GG keys Press hl and to select different digits a Fk o N 45 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Measure Pressure re Source mA FLUKE 725Ex Process GALBRATOR MEASURE 1000 SIGNAL p o 83 Ne EST o SOURCE 12 102 P kor p ON TE F a e e meas IN mn Q les Source
5. 58 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Multifunction Process Calibrator Specifications Pressure Measurement Range Reschon Lee me Determined by 5 digits Determined by psi inH20 4 C inH20 20 C inH20 60 F kPa pressure module pressure module cmH20 4 C cmH20 20 C bar mbar kg cm2 mmHg inHg General Specifications TEREK 20 C 10 71 C Relative Humidity 90 10 to 30 C RH operating without condensation 75 30 to 40 C 45 40 to 50 C 35 50 to 55 C uncontrolled lt 10 C Vibration Product Compliance Markings CE II 1 G EEx ia IIB 171 C 0344 KEMA 04ATEX1303 G Class I Div 1 Groups B C and D LR110460 Class I Zone 0 Aex Ex ia IIB 171 C 2004 1573226 Ta 10 C 55 C Manufactured by Martel Electronics Inc 1F Commons Drive Londonderry NH USA Sm EE EE E T SSCS CO T b7 a2 59 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Entity Parameters For Entity Parameters Refer to Fluke 725Ex CCD Control Drawing for use in Ex hazardous areas 60 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com
6. three or four wire connections with the three wire connection the most common A four wire configuration provides the highest measurement precision and two wire provides the lowest measurement precision Quality Fluke Products Online at www GlobalTestSupply com Mulitfunction Process Calibrator Using Measure Mode To measure temperature using an RTD input proceed as follows 1 If necessary press for MEASURE mode 2 Press for the RTD display If desired continue pressing this key to select the desired RTD type 3 Press or to select a 2 3 or 4 wire connection 4 Attach the RTD to input terminals as shown in Figure 11 5 If necessary toggle between C or F temperature units by pressing Le zl 25 sales GlobalTestSupply com 725Ex Users Manual Table 6 RTD Types Accepted RTDType lcePoint Rd Material Les Range O Pt500 385 500 Q 0 00385 OC 200 to 630 Pt1000 385 1000 Q 0 00385 OC 200 to 630 Pt100 3916 100 Q 0 003916 Q C 200 to 630 The IEC standard RTD and the most commonly used RTD in U S industrial applications is the Pt100 385 a 0 00385 ANC 26 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Using Measure Mode 30V 24mA NAL Bn MEASUI MEASURE iz 2W Le r Resistance to cou O be measured poe MEASUg Wan MEASURE SCH We Y e
7. 1 F 2 0 to 1000 0 CPM 0 1 CPM 0 05 Yo 1 to 1000 Hz 0 05 1 0 to 10 0 kHz 0 1 kHz 0 25 Waveform 5 V p p squarewave 0 1 V offset Temperature Thermocouples Measure and Source Accuracies 200 to 0 C 1 0 C 0 to 1200 C 0 7 C 200 to 0 C 12 C 0 to 1370 C 0 8 C 00100 0 EES Loop Power Supply 0 to 400 C 0 8 C Voltage 12 V 200 to 0 C 0 9 C Maximum current 24 mA 0 to 950 C 0 7 C 20 to 0 C 0 to 500 C 500 to 1750 C 20 to O C 0 to 500 C 500 to 1750 C Short circuit protected 57 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual RTD Excitation simulation Allowable Excitation by RTD type Ni 120 0 15 to 3 0 mA Pt 100 385 0 15 to 3 0 mA Pt 100 3926 0 15 to 3 0 mA Pt 100 3916 0 15 to 3 0 mA Pt 200 385 0 05 to 0 80 mA Pt 500 385 0 05 to 0 80 mA Pt 1000 385 0 05 to 0 40 mA Temperature RTD Ranges and Accuracies Range C Measure 4 Wire C Measure 2 and 3 Wire C Pt200 385 200 to 250 0 2 HY 3 n 5 250 to 630 0 8 1 6 0 8 Pt500 385 200 to 500 0 3 0 6 0 3 500 to 630 0 4 0 9 0 4 Pt1000 385 200 to 100 0 2 0 4 0 2 100 to 630 0 2 0 5 0 2 Resolution 0 1 C 0 1 F RTD Source Addresses pulsed transmitters and PLCs with pulses as short as 5 ms 2 wire Does not include lead resistance 3 wire Assumes matched leads with a total resistance not exceeding 100 Q
8. com 725Ex Users Manual rx T gt occ a ANA mmi FLUKE 725Ex Moves ilbnaron SOURCE 12000 Loop Power Supply Readout or Controller Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly17f eps Figure 14 Connections for Simulating a 4 to 20 mA Transmitter in a non Ex hazardous Area 32 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Using Source Mode MEASURE v V z RTD LOOP NG i Common MEASURE V LO z eh LOOP COM H O Common Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly16f eps Figure 15 Electrical Sourcing Connections 33 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Simulating Thermocouples Connect the Calibrator TC input output to the instrument under test with thermocouple wire and the appropriate thermocouple mini connector polarized thermocouple plug with flat inline blades spaced 7 9 mm 0 312 in center to center ACaution One pin is wider than the other Do not try to force a miniplug in the wrong polarization Figure 16 shows this connection Proceed as follows to simulate a thermocouple 1 Attach the thermocouple leads to the appropriate TC
9. dc voltage or current or for frequency or resistance MEAS Isource EFF RECALL aly43f eps Figure 9 Measuring Electrical Parameters 21 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Measuring Temperature Using Thermocouples The Calibrator supports twelve standard thermocouples including types E N J K T B R S L XK BP and U Table 5 summarizes the ranges and characteristics of the supported thermocouples To measure temperature using a thermocouple proceed as follows 1 Attach the thermocouple leads to the appropriate TC miniplug then to the TC input output as shown in Figure 10 22 Quality Fluke Products Online at www GlobalTestSupply com A Caution One thermocouple pin is wider than the other To avoid possible damage to Calibrator or to equipment under test do not try to force a miniplug in the wrong polarization Note If the Calibrator and the thermocouple plug are at different temperatures wait one minute or more for the connector temperature to stabilize after plugging the miniplug into the TC input output If necessary press for MEASURE mode Press for the TC display Continue pressing this key to select the desired thermocouple type If necessary toggle between C or F temperature uni
10. intrinsically safe circuits will not cause an ignition capable arc as long as the entity parameters are suitably matched The Calibrator has two sets of parameters The Vmax and Imax parameters show the maximum voltage and maximum current that may be connected to the Model 725Ex terminals without compromising the intrinsic safety The voltage and current will generally come from intrinsic safety barriers that provide power to the field equipment sales GlobalTestSupply com 725Ex Users Manual such as transmitters and positioners I P devices These barriers are identified with a maximum open circuit voltage parameter Voc and a maximum short circuit current parameter Isc The matching criterion requires that Voc of the barrier not exceed 30 V and Isc not exceed 100 mA The Model 725Ex calibrator will itself be a source of voltage and current Each set of terminals has a Voc and an Isc rating as shown on Fluke 725Ex CCD When connecting terminals to other equipment the Vmax and Imax ratings on the other equipment must exceed the Voc and Isc ratings for the terminals connected to on the 725Ex calibrator In addition to matching voltage and current entity parameters it is also necessary to verify that capacitance and inductance has not been exceeded Again Fluke 725Ex CCD identifies the maximum capacitance Ca and maximum inductance La that is permitted based either on the intrinsic safety barrier ratings or on the 725Ex calib
11. miniplug then to the TC input output as shown in Figure 16 If necessary press for SOURCE mode 3 Press for the TC display If desired continue pressing this key to select the desired thermocouple type 4 Enter the desired temperature by pressing and keys Press and to select a different digit to edit 34 Quality Fluke Products Online at www GlobalTestSupply com Simulating RTDs Connect the Calibrator to the instrument under test as shown in Figure 17 Proceed as follows to simulate an RTD 1 If necessary press for SOURCE mode 2 Press for the RTD display Note Use the 3W and 4W terminals for measurement only not for simulation The Calibrator simulates a 2 wire RTD at its front panel To connect to a 3 wire or 4 wire transmitter use the stacking cables to provide the extra wires See Figure 17 3 Enter the desired temperature by pressing and amp keys Press and Q to select a different digit to edit sales GlobalTestSupply com Mulitfunction Process Calibrator Using Source Mode FLUKE 725Ex process cxunnsron OTESTDC pwr O Color depends al on type of TC oo com M d TC Miniplug C Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly20f eps Figure 16 Connections for Simulating a Thermocouple 35 Quality Fluke Products Onl
12. purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves the right to invoice Buyer for importation costs of re pair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was caused by neglect misuse contamination alteration accident or abnormal condition of operation or handling including overvoltage failures caused by use outside the product s specified rating or normal wear and tear of mechanical components Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shippin
13. 0 ft Ib 13 5 Nm of torque between the pressure module fittings or between the fittings and the body of the module Always apply appropriate torque between the pressure module fitting and connecting fittings or adapters e To avoid damaging the pressure module from overpressure never apply pressure above the rated maximum printed on the pressure module sales GlobalTestSupply com To avoid damaging the pressure module from corrosion use it only with specified materials Refer to the printing on the pressure module or the pressure module instruction sheet for the acceptable material compatibility Connect a pressure module to the Calibrator as shown in Figure 13 The threads on the pressure modules accept standard 4 NPT pipe fittings Use the supplied 74 NPT to ISO adapter if necessary Press 2 The Calibrator automatically senses which pressure module is attached and sets its range accordingly Zero the pressure module as described in the module s instruction sheet Modules vary in zeroing procedures depending on module type but all require pressing If desired continue pressing to change pressure display units to psi mmHg inHg cmH 0 4 C cmH20 20 C inH20 Q4 C inH20 20 C inH 0 60 F mbar bar kg cm or kPa Quality Fluke Products Online at Mulitfunction Process Calibrator Using Measure Mode Zeroing with Absolute Pressure Modules To zero adjust the Calibrator to read a known pres
14. 3 3434 0181 Singapore 65 738 5655 Anywhere in the world 1 425 446 5500 Or visit Fluke s website at www fluke com To register your product visit http register fluke com To view print or download the latest manual supplement visit http us fluke com usen support manuals Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Table 1 Summary of Source and Measure Functions Function dc V 0 V dc to 30 Vdc 0 V dc to 10 Vdc dc mA 0 to 24 mA dc 0 to 24 mA Frequency 1 CPM to 10 kHz 1 CPM to 10 kHz Resistance 0 Q to 3200 Q 15 Q to 3200 Q Thermocouple Types E J K T B R S L U N mV XK BP RTD Ni120 Resistance Pt100 Q 385 Temperature Pt100 Q 3926 Detector Pt100 Q 3916 Pt200 Q 385 Pt500 Q 385 Pt1000 Q 385 Pressure Fluke 700PEx series modules ranging from Fluke 700PEx series modules ranging from 10 in H20 to 3 000 psi 10 in H2O to 3 000 psi using an external pressure source hand pump Other functions Loop Power Supply Step Ramp Memory Dual Display Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Standard Equipment The items listed below and shown in Figure 1 are included with the Calibrator If the Calibrator is damaged or something is missing contact the place of purchase immediately To order replacement parts see Replacement Parts in Table 9 e TL75 test leads one set e AC
15. 72 alligator clips one set e Stackable alligator clip test leads one set e Fluke 725Ex CD ROM contains Fluke 725Ex Users Manual e Fluke 725Ex CCD e Fluke 725Ex Safety Information e 4 AA Batteries installed e Hex Key 5 64 in short arm Safety Information A Warning statement identifies conditions and actions that pose a hazard s to the user A Caution statement identifies conditions and actions that may damage the Calibrator or the equipment under test Symbols used on the Calibrator and in this manual are explained in Table 2 Quality Fluke Products Online at www GlobalTestSupply com Mulitfunction Process Calibrator Standard Equipment Ex Hazardous Areas An Ex hazardous area as used in this manual refers to an area made hazardous by the potential presence of flammable or explosive vapors These areas are also referred to as hazardous locations see NFPA 70 Article 500 or CSA C22 1 Section 18 The Model 725Ex Calibrator has been designed for use in Ex Hazardous Areas These are areas where potentially flammable or explosive vapors may occur These areas are referred to as hazardous classified locations in the United States as Hazardous Locations in Canada as Potentially Explosive Atmospheres in Europe and as Explosive Gas Atmospheres by most of the rest of the world The Model 725 Ex calibrator is designed as intrinsically safe This means that connecting the 725Ex calibrator to equipment that is used within
16. 725Ex 2406548 User Manual Fluke 725Ex Control Drawing 6800032 Fluke 725Ex Safety Information 2151996 Fluke 725Ex Calibration Manual 2406553 52 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Accessories Accessories External Fluke Pressure Module Compatibility For more information about these accessories and their prices contact a Fluke representative Pressure Modules KE as and Fluke model numbers see Table 10 are listed the 725Ex 5 digit display to overflow or else produce below Differential models also operate in gage mode values that are too low to be read if inappropriate units Contact a Fluke representative about new pressure are selected This is prevented by displaying OL on the modules not listed here display per Table 10 e 700HTP 0 to 10 000 PSI Pump e 700PTP 11 6 to 600 PSI Pump e 700TC1 and 700TC2 Thermocouple Mini plug Kits The output of Fluke 7OOPEx pressure modules can cause Table 10 Fluke Pressure Module Compatibility Pressure Unit Module Compatibility Psi Available on all pressure ranges In H20 All ranges through 3000 psi cm H20 All ranges through 1000 psi Bar 15 psi and above Mbar All ranges through 1000 psi KPa Available on all pressure ranges In Hg Available on all pressure ranges mm Hg All ranges through 1000 psi Kg cm 15 psi and above 53 Quality Fluke Products O
17. Ex hazardous area before opening the battery door See Ex Hazardous Areas OK Key Figure 23 shows how to replace the batteries sh38f eps Figure 23 Replacing the Batteries 49 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Approved Batteries Table 8 Approved Batteries Battery Manufacturer All Batteries Alkaline AA 1 5 V Type Duracell MN1500 Eveready Energizer E91 Panasonic Powerline LR6A Rayovac 815 Varta 4906 Ucar Gold LR6 Maintenance Clean the Calibrator and pressure modules with a soft Cleaning tia Calibraiar cloth dampened with water or water and mild soap Warning To avoid personal injury or damage to the Calibrator use only the specified replacement parts and do not allow water into the case Caution To avoid damaging the plastic lens and case do not use solvents or abrasive cleansers 50 Quality Fluke Products Online at Service Center Calibration or Repair Calibration repairs or servicing must be performed only by qualified service personnel If the Calibrator fails check the batteries first and replace them if needed Verify that the Calibrator is being operated in accordance with the instructions in this manual If the Calibrator is faulty send a description of the failure with the Calibrator Pressure modules do not need to accompany the www GlobalTestSu pp
18. FLUKE 725Ex Multifunction Process Calibrator Users Manual January 2005 Rev 2 5 09 O 2005 2009 Fluke Corporation All rights reserved Specifications are subject to change without notice All product names are trademarks of their respective companies Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is three years and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to ex tend a greater or different warranty on behalf of Fluke Warranty support is available only if product is
19. GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Table 4 Key Functions cont me mw een Q OG Disables Shut Down Mode OB OP Enables Shut Down Mode 43 OP H Increases or decreases the source level 0 Cycles through the 2 3 and 4 wire selections Moves through the memory locations of calibrator setups In Contrast Adjustment mode up darkens contrast down lightens contrast eng Retrieves a previous calibrator setup from a memory location SETUP Saves the Calibrator setup Saves Contrast Adjust setup Cycles the Calibrator through MEASURE and SOURCE modes in the lower display Selects the TC thermocouple measurement and sourcing function in the lower display Repeated pushes cycle through the thermocouple types Toggles between voltage mA sourcing or mA simulate functions in the lower display Selects RTD resistance temperature detector measurement and sourcing function in lower display Repeated pushes cycle through the RTD types Selects the pressure measurement and sourcing function Repeated pushes cycle through the different pressure units 14 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Getting Acquainted with the Calibrator Display Figure 4 shows the elements of the display Loop Memory Locations Annunciator for Calibrator Setups Low Battery Symbol i ko Units Display Mode I
20. Recorder 23 Replacing the Battere Sirina B AA ABANGAN A NAGA viii Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Multifunction Process Calibrator Introduction AWarning Read Safety Information before using the Calibrator The Fluke 725Ex Multifunction Process Calibrator hereafter referred to as the Calibrator is a handheld battery operated instrument that measures and sources electrical and physical parameters For a summary of source and measurement functions see Table 1 In addition to the functions in Table 1 the Calibrator has the following features and functions e A split screen display The upper display allows the user to measure volts current and pressure only The lower display allows the user to measure and source volts current pressure resistance temperature detectors thermocouples frequency and ohms e Calibrates a transmitter using the split screen e A thermocouple TC input output terminal and internal isothermal block with automatic reference junction temperature compensation e Stores and recalls setups Manual stepping and automatic stepping and ramping Contacting Fluke To contact Fluke call one of the following telephone numbers e Technical Support USA 1 800 44 FLUKE 1 800 443 5853 e Calibration Repair USA 1 888 99 FLUKE 1 888 993 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 675 200 Japan 81
21. e 2 Input Output Terminals and Connectors 10 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Getting Acquainted with the Calibrator Table 3 Input Output Terminals and Connectors Pressure module Connects the Calibrator to a pressure module connector MEASURE V mA Input terminals for measuring voltage current and supplying loop power terminals TC input output Terminal for measuring or simulating thermocouples This terminal accepts a miniature polarized thermocouple plug with flat inline blades spaced 7 9 mm 0 312 in center to center SOURCE MEASURE Terminals for sourcing or measuring voltage resistance frequency and RTDs V RTD Hz Q terminals SOURCE MEASURE Terminals for sourcing and measuring current and performing 3W and 4W RTD mA terminals 3W 4W measurements 11 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Keys Figure 3 shows the Calibrator keys and Table 4 explains their use FLUKE 725Ex Phocest Caisnaron ea part re aw e OE EF O v gt EE me eee fi Ge 9 aly41f eps Figure 3 Keys 12 Quality Fluke Products Online at www GlobalTestSupply com
22. epping the MA Output Auto Ramping the Output Storing and Recalling KETTEN Calibrating a Transmitter Calibrating a Pressure Transmitter rnanvrnnnvnnnnvenenvnnnnvenenvnnenrenenvnnenrnnenrnsrnrersnrnssnrnsenn Calibrating an UP Device AAA Switeh Testuu skam amts ee eee ie Testing an Output Device rnnnrnnenvnnnnvnnenvnnnvrnnsnrnnnnrnnsnrnnnrrnssnnnsnvrensnnnsneressnnnsnnressnnnennnne Replacing the Batteries aa Approved Batters a reds eder daa gdee Maintenance un rasen bg GINA MANANG BAGA added Bm be komm bd Cleaning the Calibrator sz iiss maaange din sina prin alienate ii Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Contents continued Service Center Calibration or Repair rranvnnnnrnnnnnnnnnrnnnnvnnnvrnnnnrnnnnrerenrnsnvenernresnnnnenn Replacement Parts Nee e Sa ANAN ARA GANAN AGA aah SPOCHICALIONS TEE DC Voltage Measurement nnnnnnnvrnnnvnnnnvrnnnvnnenvrnnnvnnesnrnnnvnnesvnnsnennesvnnrnvnnenrnnsnvenennn DC Voltage Gource E Millivolt Measurement and Source msrrnervrnnnvrnrrvrnnnvrnervrnnnvenrsvrnnnvnnrsvrnsnennesnrnsnvenennnn DC mA Measurement and Gource neen Ohms Measurement uneen Ohms SOUMCO iaae a ude a a E ENa E aE E deen Frequency Measurement AN IR HEET E Temperature Thermocouples Au Loop Power Supply aaa manerer reke e EECHER ECe aie RTD Excitation simulation aorrronvnnnnrnnnvrnnnvrnrrvrnnnnrnervrnnnnnnenvrnen
23. evice Q 15 to 400 Q 0 15 to 0 5 mA 15 to 400 Q 0 5 to 2 mA 400 to 1 5 kQ 0 05 to 0 8 mA 1 5 to 3 2 kQ 0 05 to 0 4 mA Temperature coefficient 10 C to 18 C 28 C to 55 C 0 005 of range per C Drive capability 250 Q at 20 mA Temperature coefficient 10 C to 18 C 28 C to 55 C 0 005 of resistance range per C Ohms Measurement Accuracy Q Resolution Ohms Range 0 to 400 Q 400 to 1 5 kQ Frequency Measurement 1 5 to 3 2 kQ Range Resolution Accuracy Temperature coefficient 10 C to 18 C 28 C to aan 55 C 0 005 of range per C 2 0 to 1000 0 CPM 0 1 CPM 0 05 1 count Excitation CUMONT Orem 1 to 1000 Hz 1 0 Hz 0 05 1 count Maximum input voltage 30 V 2 wire Does not include lead resistance 1 0 to 10 0 kHz 0 1 kHz 0 05 1 count 3 wire Assumes matched leads with a total resistance not Sensitivity 1V peak to peak minimum exceeding 100 Q Waveform squarewave 56 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Multifunction Process Calibrator Specifications Frequency Source Accuracy Range Resolution of output frequency Measure and Source Accuracies 600 to 800 C 800 to 1000 C 1000 to 1800 C 200 to 0 C 0 to 900 C 200 to 0 C 0 to 400 C 200 to 0 C 0 to 1300 C 200 to 100 C 100 to 800 C 0 to 800 C 800 to 2500 C Resolution 0 1 C 0
24. g Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IM PLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA ARISING FROM ANY CAUSE OR THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequen tial damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 BD Eindhoven U S A The Netherlands 11 99 To register your product online visit register fluke com Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Table of Contents Title Page INTRODUCTION EN EEE Aegon dir eee Contacting a LG Standard Equipment aa NAA Rae nde aliases Safety Information Ex Hazardous Areas aie Han al iad ee Al anaes Faults and Damage xs a aNG ARA NAN NUNG DARREN MANG Safety Regulations 2 0 eeeecceeeeceeeneeeeeeeeeeeeeaeeseaeeeeaeeeeaeeseaeeseaeeeeaeeseaeeseaees
25. h aw Q CG D SS S 3W too Resistance to m av cou 2 O be measured S SOURCE MESU 7 RTD mA E KOY 4W 6 Resistance to d be measured aly15f eps Figure 11 Measuring Temperature with an RTD Measuring 2 3 and 4 Wire Resistance 27 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Measuring Pressure Many ranges and types of pressure modules are available from Fluke See Accessories near the back of this manual Before using a pressure module read its instruction sheet The modules vary in use media and accuracy Figure 12 shows the Gage and Differential modules Differential modules also work in gage mode by leaving the low fitting open to atmosphere To measure pressure attach the appropriate pressure module for the process pressure to be tested Proceed as follows to measure pressure A Warning Use only Fluke 700PEx series pressure modules To avoid a violent release of pressure in a pressurized system shut off the valve and slowly bleed off the pressure before attaching the pressure module to the pressure line 28 Quality Fluke Products Online at www Gl0balTestSUpply com Differential aly11f eps Figure 12 Gage and Differential Pressure Modules ACaution e To avoid mechanically damaging the pressure module never apply more than 1
26. h the current measuring circuit allowing the user to test a transmitter when it is disconnected from plant wiring To measure current with loop power proceed as follows 1 Connect the Calibrator to the transmitter current loop terminals as shown in Figure 8 2 Press while the Calibrator is in current measurement mode LOOP appears and an internal 12 V loop supply turns on Mulitfunction Process Calibrator Using Measure Mode pe AA FLUKE 725Ex Wen SETUP RECALL aly42f eps Figure 7 Measuring Voltage and Current Output 19 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual aly18f eps Figure 8 Connections for Supplying Loop Power 20 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Using Measure Mode Measuring Electrical Parameters Lower Display To measure the electrical parameters using the lower display proceed as follows re FLUKE 725Ex Process CALIBRATOR 1 Connect the Calibrator as shown in Figure 9 2 If necessary press for MEASURE mode lower display 3 Press for
27. ine at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Sensor Terminals FLUKE ze Sec a Uilearon Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area aly40f eps Figure 17 Connections for Simulating 3 Wire RTD 36 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Source Pressure Mode The Calibrator can be used to monitor the pressure supplied by a pump or other sources and will display the pressure in the SOURCE field Figure 18 shows how to connect a pump to a Fluke pressure module which makes it a calibrated source Attach the appropriate pressure module for the process pressure to be tested Proceed as follows to source pressure AWarning e To avoid a violent release of pressure in a pressurized system shut off the valve and slowly bleed off the pressure before attaching the pressure module to the pressure line e Use only Fluke 700PEx series pressure modules Mulitfunction Process Calibrator Using Source Mode ACaution To avoid mechanically damaging the pressure module never apply more than 10 ft Ib 13 5 Nm of torque between the pressure module fittings or between the fittings and the body of the module Always apply appropriate torque between the pressure module fitting and connecting fittings or adapters To avoid damaging the pressure module from overpressure never a
28. ll equipment safety procedures Use the Calibrator only as described in this User Manual and the Fluke 725Ex CCD Concept Control Drawing or the protection provided by the Calibrator may be impaired Inspect the Calibrator before use Do not use it if it appears damaged Check the test leads for continuity damaged insulation or exposed metal Replace damaged test leads When using probes keep fingers behind the finger guards on the probes Never apply more than 30 0 V between the input terminals or between any terminal and earth ground Applying more than 30 0 V to the input terminals invalidates the Calibrator s Ex Approval and may result in permanent damage to the unit so it can no longer be used Use the proper terminals mode and range for the measuring or sourcing application To prevent damage to the unit under test be sure the Calibrator is in the correct mode before connecting the test leads When making connections connect the COM test probe before the live test probe When disconnecting disconnect the live probe before the COM probe Never open the Calibrator case Opening the case invalidates the Calibrator s Ex Approval Make sure the battery door is closed and latched before entering an Ex hazardous area or using the Calibrator See Ex Hazardous Areas Replace the battery as soon as the low battery symbol appears to avoid false readings that can lead to electric shock Remove the Calibrator from the Ex ha
29. ll pressure connections are properly sealed Do not use in a damp or wet environment ACaution To avoid possible damage to Calibrator or to equipment under test Disconnect the power and discharge all high voltage capacitors before testing resistance or continuity Use the proper jacks function and range for the measurement or sourcing application Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Ex Hazardous Areas AC72 Alligator Clips J pon RMA ALL TERMINALS TL75 i e NG H z ni Test Lead Set K bp Se le Stackable Pa Test Leads aly01f eps Figure 1 Standard Equipment Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Table 2 Symbols a E o Power Power Oger o Double insulated sd insulated Sank Grund Conforms to relevant Canadian and US Standards 9 Certification LR110460 2 PA Benge mpor Ank Conforms to relevant European Union directives Fr Refer to manual Batey Direct current current Conforms to ATEX requirements Conforms to relevant Australian standards Do not dispose of this product as unsorted municipal waste Go to Fluke s website for recycling information Faults and Damage taken to prevent any further use of the Calibrator in an Applying a voltage greater than 30 V to the input of the Ex hazard
30. ly com sales GlobalTestSupply com Calibrator unless the module is faulty also Be sure to pack the Calibrator securely using the original shipping container if itis available Send the equipment postage paid and insured to the nearest Service Center Fluke assumes no responsibility for damage in transit The Fluke 725Ex Calibrator covered by the warranty will be promptly repaired or replaced at Fluke s option and returned to you at no charge See the back of the title page for warranty terms If the warranty period has expired or the operating limits are exceeded the Mulitfunction Process Calibrator Maintenance Calibrator will be repaired and returned for a fixed fee If the Calibrator or pressure module is not covered under the warranty terms contact an authorized service center for a price quote for repair To locate an authorized service center or order replacement parts refer to Contacting Fluke at the beginning of the manual Replacement Parts Table 9 lists the part number of each replaceable part 51 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Table 9 Replacement Parts UU vemmem mm ea Batterydor 20 4 S Accessory mount 12181011 O Tiltstmd 200788 11 TL75 series testleads 1 86812 11 1 Er L Test lead black 688066 AC72 alligator clip black 1670652 Input Decal 090048 1141 O Fluke 725Ex CD ROM contains Fluke
31. n and 4 000 press eau 8 000 To recall setups proceed as follows 12 000 16 000 100 20 000 40 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Calibrating a Transmitter Use the measurement upper display and source lower display modes to calibrate a transmitter This section applies to all but pressure transmitters The following example shows how to calibrate a temperature transmitter Connect the Calibrator to the instrument under test as shown in Figure 19 Proceed as follows to calibrate a transmitter 1 Press Y for current upper display If required press again to activate loop power Press 79 lower display If desired continue pressing this key to select the desired thermocouple type If necessary press for SOURCE mode Quality Fluke Products Online at www GlobalTestSupply com Mulitfunction Process Calibrator Calibrating a Transmitter Set the zero and span parameters by pressing and keys Enter these parameters by pressing and holding and 19 For more information on setting parameters see Setting 0 and 100 earlier in this manual Press hl or D to select the appropriate location Perform test checks at 0 25 50 75 100 points by pressing or 9257 Adjust the transmitter as necessary 41 sales GlobalTestSupply com 725Ex Users Manual FLUKE 725Ex PROCERSERDBRaTOR MEASURE LOOP
32. nd simultaneously To adjust the time duration press and simultaneously then press and or to adjust the time between 1 and 30 minutes Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Mulitfunction Process Calibrator Shut Down Mode FLUKE 7256 Daer ESS GALBRATOR aly39f eps Figure 5 Voltage to Voltage Test 17 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Contrast Adjustment To adjust the contrast proceed as follows 1 Press and until Contst Adjust is displayed as shown in Figure 6 Press and hold to darken contrast Press and hold to lighten contrast Carrisi Gust Press 85 to save the contrast level sh06f eps Figure 6 Adjusting the Contrast 18 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Using Measure Mode Measuring Electrical Parameters Upper Display To measure the current or voltage output of a transmitter or to measure the output of a pressure instrument use the upper display and proceed as follows 1 Press to select volts or current LOOP should not be on 2 Connect the leads as shown in Figure 7 Current Measurement with Loop Power The loop power function activates a 12 V supply in series wit
33. ndicator Figure 4 Elements of a Typical Display Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com sh07f eps 15 725Ex Users Manual Getting Started This section introduces some basic operations of the Calibrator Proceed as follows to perform a voltage to voltage test 1 Connect the Calibrator s voltage output to its voltage input as shown in Figure 5 2 Press to turn on the Calibrator Press to select dc voltage upper display 3 If necessary press for SOURCE mode lower display The Calibrator is still measuring dc voltage the active measurements are visible in the upper display 16 4 Press V ma to select dc voltage sourcing 5 Press and Q to select a digit to change Press to select 1 V for the output value Press and hold to enter 1 V as the 0 value 6 Press to increase the output to 5 V Press and hold to enter 5 V as the 100 value 7 Press and to step between 0 and 100 in 25 step increments Shut Down Mode The calibrator comes with the Shut Down mode enabled for a time duration set to 30 minutes displayed for about 1 second when the calibrator is initially turned on When the Shut Down mode is enabled the calibrator will automatically shut down after the time duration has elapsed from the time the last key was pressed To disable the Shut Down mode press and simultaneously To enable the mode press a
34. nline at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Table 11 Pressure Modules 54 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Multifunction Process Calibrator Specifications Specifications DC Voltage Source All specifications apply from 18 C to 28 C unless R Resoluti Accuracy stated otherwise All specifications assume a 5 minute ange SONER of Reading Counts warmup period O DC Voltage Measurement A VJ eat ali Accuracy Range Resolution of Reading Counts 0 001 V 0 02 2 Temperature coefficient 10 C to 18 C 28 C to 55 C 0 005 of range per C Maximum load 1 mA 30 V 0 001 V 0 02 2 upper display Millivolt Measurement and Source Jea 10 mV to 75 mV 0 01 mV 0 025 1 count display 0 01 mV 0 02 2 Maximum input voltage 30 V Temperature coefficient 10 C to 18 C 28 C to Temperature coefficient 10 C to 18 C 28 C to 55 C 0 005 of range per C 55 C 0 005 of range per C Select this function by pressing 79 The signal is available at the thermocouple miniplug connector 55 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual DC mA Measurement and Source Ohms Source Accuracy Range Resolution of Reading Counts Excitation Current from Accuracy Ohms Range Measurement D
35. nnnenvenenennenrnnenvenennn Temperature RTD Ranges and Accuracies esseesserereeessrrrrrrrsssrrrrrrnnrerrrnnnnnt Pressure Measurement General Gpechflcaiions eetet nettesttttntttnsttatnatenntnntnnnnntenne enne iii Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual iv Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com List of Tables Table Title 1 Summary of Source and Measure Functions arrrnrnvrnenvrnrnvnnenvnnenvnnnnrnnenrnnnnrnrenrnrrnrnnenrnernnen 2 SILA 90 EEE EE AA 3 Input Output Terminals and Connectors nenna 4 Key Functions usnvssuersudensejaddaste ondartede 5 Thermocouple Types ACcepted AA 6 RTD Types ACcepled TEE 7 MA Step Values ana ANA AA E OSE aaa 8 Approved Batteries mnn selaas aN 9 Replacement Parts rarnnnnnnnvnnnnnvvnvnnnnvnensnnnnnnnnnvenennnnnnnnsnnnnnnnnavnnenvnnnnensvnvnennvnvenenvnnnnnnrnnvnnnenn 10 Fluke Pressure Module Compatibility AAA 11 Pressure Modules ann ees ctedeneseckeesFannevnseceaniveceesiescteneesticavedst pa eek rark d ch prai UN Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual vi Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Figure OONAAARWN gt List of Figures Standard Eouipment A Input Output Terminals and Connectors naaananwwwnnaaanawawana
36. ous area See Ex Hazardous Areas Calibrator invalidates its Ex Approval and may impair its Fully observe all instructions warnings and cautions safe operation in an Ex hazardous area See Ex contained in this manual In case of doubt due to Hazardous Areas translation and or printing errors refer to the original If there is any reason to suspect that the safe operation of English users manual the Calibrator has been affected it must be immediately The safety features and integrity of the unit may be withdrawn from use and precautionary measures must be compromised by any of the following 8 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com External damage to the housing Internal damage to the Calibrator Exposure to excessive loads Incorrect storage of the unit Damage sustained in transit Correct certification is illegible Functioning errors occur Permitted limitations are exceeded Functioning errors or obvious measurement inaccuracies occur which prevent further measurement by the Calibrator Opening the case Mulitfunction Process Calibrator Ex Hazardous Areas Safety Regulations The use of the Calibrator meets the requirements of the regulations providing that the user observes and applies the requirements as stated in the regulations and that improper and incorrect use of the unit is avoided e Use must be restricted to the specified application parameters e Do not o
37. pen the Calibrator e Do not remove or install the batteries within the Ex hazardous area See Ex Hazardous Areas e Do not carry additional batteries within the Ex hazardous area See Ex Hazardous Areas e Use only type tested batteries The use of any other batteries will invalidate the Ex certification and present a Safety risk e Do not use the Calibrator in any circuit where the voltage or transients may exceed 30 V e Only use the Calibrator in circuits with compatible entity parameters When the calibrator is used in an Ex hazardous area unless the area is known to be safe do not connect to any circuits that exceed the entity parameters defined on Fluke 725Ex CCD Control Drawing See Ex Hazardous Areas Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Certification Information e CE II 1 G EEx ia IIB 171 C 0344 KEMA 04ATEX1303 e Class Div 1 Groups B C and D LR110460 Class Zone O Aex Ex ia IIB 171 C 2004 1573226 e Ta 10C 55 C e Manufactured by Martel Electronics Inc 1F Commons Drive Londonderry NH USA Getting Acquainted with the Calibrator Input and Output Terminals Figure 2 shows the Calibrator input and output terminals Table 3 explains their use aly05f eps Figur
38. pply pressure above the rated maximum printed on the pressure module To avoid damaging the pressure module from corrosion use it only with specified materials Refer to the printing on the pressure module or the pressure module instruction sheet for the acceptable material compatibility Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 37 725Ex Users Manual 38 Connect a pressure module to the Calibrator as shown in Figure 18 The threads on the pressure modules accept standard 74 NPT pipe fittings Use the supplied 74 NPT to ISO adapter if necessary Press lower display The Calibrator automatically senses which pressure module is attached and sets its range accordingly Zero the pressure module as described in the module s Instruction Sheet Modules vary in zeroing procedures depending on module type Pressurize the pressure line with the pressure source to the desired level as shown on the display If desired continue pressing to change pressure display units to psi mmHg inHg cmH0 4 C cmH 0 20 C inH 0 4 C inH 0 20 C inH20 60 F mbar bar kg cm or kPa Quality Fluke Products Onlineat www Gl0balTestSUpply com Pressure Module
39. rator ratings for the specific terminals used As an example Fluke 725Ex CCD explains that the capacitance of each unit connected in the circuit Ci plus the capacitance of the cable in the circuit must not exceed the maximum allowed capacitance Ca Similarly for inductance in the intrinsically safe circuit Quality Fluke Products Online at www GlobalTestSupply com When connecting the 725Ex calibrator into a powered circuit i e when the circuit is powered by an intrinsic safety barrier then the maximum circuit voltage used for the entity parameter evaluation will be the higher of either the 725Ex calibrator Voc or of the barrier Voc The maximum current will be the sum of the 725Ex calibrator Isc and the barrier Isc In this case the maximum allowed inductance La will be reduced This value will have to be determined using the ignition curves found in standards such as CSA C22 2 No 157 or UL 913 For additional information about Ex Hazardous Areas refer to ANSI ISA 12 01 01 1999 Definitions and Information Pertaining to Electrical Instruments in Hazardous Classified Locations and to ANSI ISA RP12 06 01 2003 Recommended Practice for Wiring Methods for Hazardous Classified Locations Instrumentation Part 1 Intrinsic Safety sales GlobalTestSupply com Mulitfunction Process Calibrator Ex Hazardous Areas A Warning To avoid electric shock injury damage to the Calibrator or ignition of an explosive atmosphere follow a
40. sales GlobalTestSupply com gt oH 6 O BE lire O O Key V mA LOOP I N bel d P 100 da 25 v25 0 Mulitfunction Process Calibrator Getting Acquainted with the Calibrator Table 4 Key Functions Turns the power on and off Selects voltage mA or loop power measurement functions in the upper display Clears the switch test See Switch Test Selects the pressure measurement function in the upper display Repeated pushes cycle through the different pressure units Use for pressure switch test See Switch Test Zeros the pressure module reading This applies to both upper and lower displays Turns backlight on and off Toggles between frequency and ohms measurement and sourcing functions Toggles between Centigrade and Fahrenheit when in TC or RTD functions Recalls a source value from memory corresponding to 100 of span and sets it as the source value Press and hold to store the source value as the 100 value Increments output by 25 of span Decrements output by 25 of span Recalls a source value from memory corresponding to 0 of span and sets it as the source value Press and hold to store the source value as the 0 value Cycles through Slow repeating 0 100 0 ramp M Fast repeating O 100 O Yo ramp r Repeating O 100 O Yo ramp in 25 steps 13 Quality Fluke Products Online at www
41. sareteaeeeeaeess Certification Information Getting Acquainted with the Calibrator aseronrrnonrnnnnvnnnvrnnnnrnnnnrnnnnvnnnnrnnnnnnenrrennnenenvnenn Input and Output Terminals srrrorvrnnnvvnrrvrnnnvrnenvrnnnvnnenvrnnnnnnesvnnnnvnnesnrnsnvnnenrnnenvnnennn Contrast Adiustment 0 00 eee cceeeeeeeeeeneeeeeeeteaeeeeaeeteaeeeeaeeseneeseaeesaeeseaeeseaeeseaeessaeeseeesenees Using Measure Mode 2 maana iad SOA eon siete Measuring Electrical Parameters Upper Display i Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Current Measurement with Loop Power Measuring Electrical Parameters Lower Display Measuring Temperature mmerrrrsvvrrrrrvverrrnvvnnnnnvnnnnvnnvnensvannennvnvnnennnnennernnenenvnnvnnnnnnne Using Thermocouples anan ana ane oa Re Lee Using Resistance Temperature Detectors RTDS rrrnranvnnonrnnonvnnrnrnrnnrnnrnrnrenr IO Nd Zeroing with Absolute Pressure Modules AAA Using Source Mode apa a ten heii ede ian A aici Sourcing 410720 MA TEE Simulating a 4 to 20 mA Transmitter Sourcing Other Electrical Parameter Simulating Thermocouples cccecceeeseeceneeeeeeeseaeeeeaeeceaeeseeeeseaeeseaeeseaeeseeeessaeeseaeenaas Simulating RI ET Source Pressure Mode rrrnvnnnnvnnnnvnnnnvnnenvnnnnvnnesvnnsnvnnesvnnsnvenernnnnnnnnenrnnenvenenvenenvenennn Setting O and 100 Output Parameter Stepping and Ramping the Output Manually St
42. sensors and measures gas pressure from an external source creating a calibrated pressure source Sourcing 4 to 20 mA To select the current sourcing mode proceed as follows 1 Connect the test leads in the mA terminals left column If necessary press for SOURCE mode Press for current and enter the desired current by pressing and keys Press hl and to select a different digit to change Simulating a 4 to 20 mA Transmitter Simulate is a special mode of operation in which the Calibrator is connected into a loop in place of a transmitter and supplies a known settable test current Proceed as follows 1 Connect the 12 V loop power source as shown in Figure 14 If necessary press for SOURCE mode Press until both mA and SIM display Quality Fluke Products Online at www GlobalTestSupply com Mulitfunction Process Calibrator Using Source Mode 4 Enter the desired current by pressing and Gi keys Sourcing Other Electrical Parameters Volts ohms and frequency are also sourced and shown in the lower display To select an electrical sourcing function proceed as follows 1 Connect the test leads as shown in Figure 15 depending on the source function If necessary press for SOURCE mode 3 Press for dc voltage or for frequency or resistance 4 Enter the desired output value by pressing and keys Press and to select a different digit to change 31 sales GlobalTestSupply
43. sure This can be barometric pressure if it is accurately known An accurate pressure standard can also apply a pressure within range for any absolute pressure module To adjust the Calibrator reading proceed as follows 1 3 Press REF Adjust will appear to the right of the pressure reading Use to increase or to decrease the Calibrator reading to equal the reference pressure Press again to exit zeroing procedure The Calibrator stores and automatically reuses the zero offset correction for one absolute pressure module so that the module is not rezeroed every time it is used www GlobalTestSupply com 29 sales GlobalTestSupply com 725Ex Users Manual Isolation Valve Gage DRD Module FLOKE 7258 HE MEAS source Differential Module H H aly37f eps Figure 13 Connections for Measuring Pressure 30 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Using Source Mode In SOURCE mode the Calibrator generates calibrated signals for testing and calibrating process instruments supplies voltages currents frequencies and resistances simulates the electrical output of RTD and thermocouple temperature
44. sure switch closes RECALL appears on the display Press to read the pressure values for when the switch opened for when it closed and for the deadband Hold for three seconds to exit the switch test or press to clear the switch test and rerun the test 47 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual Testing an Output Device Use the source functions to test and calibrate actuators recording and indicating devices Proceed as follows 1 Connect the test leads to the instrument under test as shown in Figure 22 2 Press for current or dc voltage or for frequency or resistance lower display 3 If necessary press for SOURCE mode 48 FLUKE 725Ex PROCESS CALIBRATOR Oto 1 Vdc Input Refer to Fluke 725Ex CCD Control Drawing when using in an Ex hazardous area Figure 22 Calibrating a Chart Recorder Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com aly25f eps Mulitfunction Process Calibrator Replacing the Batteries Replacing the Batteries AWarning e To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the battery indicator l appears e Remove the Calibrator from the
45. tep current output do the following e Use or to step the current up or down in 25 steps e Touch momentarily either to go to 0 or to go to 100 39 sales GlobalTestSupply com 725Ex Users Manual Auto Ramping the Output Storing and Recalling Setups Auto ramping gives the ability to continuously apply a varying stimulus from the Calibrator to a transmitter while your hands remain free to test the response of the transmitter Store up to eight settings in a nonvolatile memory and recall the settings for later use A low battery condition or a battery change does not jeopardize the stored settings Proceed as follows When is pressed the Calibrator produces a 1 After creating a calibrator setup press SRE In the continuously repeating 0 100 0 ramp in a choice display the memory locations appear of three ramp waveforms S 2 Press or to select locations one through eight An e A 0 100 0 40 second smooth ramp underscore appears below the selected memory e M _ 0 100 O Yo 15 second smooth ramp location e 0 100 0 Stair step ramp in 25 Yo 3 Press BEE until the memory number disappears then steps pausing 5 seconds at each step Steps are reappears The setup is stored listed in Table 7 To exit ramping press any button 1 Press fea The memory locations appear on the Table 7 mA Step Values display Step 4 to 20 mA 2 Press or to select the appropriate locatio
46. ts by pressing Le sales GlobalTestSupply com Positive Lead Material Chromel Ni Cr Si Iron Chromel Copper Iron E N J K T B R S L U Copper 90 5 Ni 9 5 Cr 95 Yo W 5 Yo Re Mulitfunction Process Calibrator Using Measure Mode Table 5 Thermocouple Types Accepted Positive Lead H Color Negative Lead Specified Range Platinum 30 Rhodium Platinum 13 Rhodium Platinum 10 Rhodium Material C IEC Violet Constantan Pink Ni Si Mg Platinum 6 Rhodium GOST Violet or Black 56 Cu 44 Ni 200 to 800 Red or Pink 80 W 20 Re 0 to 2500 American National Standards Institute ANSI device negative lead L is always red International Electrotechnical Commission IEC device negative lead L is always white Quality Fluke Products Online at 23 www GlobalTestSu pply com sales GlobalTestSupply com 725Ex Users Manual Process Temperature Warning A Ll 30 V maximum to TC Miniplug aly12f eps Figure 10 Measuring Temperature with a Thermocouple 24 Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com Using Resistance Temperature Detectors RTDs The Calibrator accepts RTD types shown in Table 6 RTDs are characterized by their resistance at 0 C 32 F which is called the ice point or Rg The most common Ry is 100 Q The Calibrator accepts RTD measurement inputs in two
47. wananananawansasnananasassnsaasassasnssona KO EE EE Elements of a Typical Display eronnnrnrnnnrvnnnnnnvvrnnnnvnnnnnnvennnnnvnennvnnnnenvnnnnennnnvnrnnvnnnenennrennnnne Viele te te le CC EEN Adjusting the Contrast AAA Measuring Voltage and Current Output Connections for Supplying Loop Power Measuring Electrical Parameters AAA Measuring Temperature with a Thermocouple AN Measuring Temperature with an RTD Measuring 2 3 and 4 Wire Resistance Gage and Differential Pressure Modules A Connections for Measuring Pressure ccecceseeeeeeeeeeeeeeeeeceeeeeeeeeaeeeeaeeseeeeseeeeeeeeeeeteaees Connections for Simulating a 4 to 20 mA Transmitter in a non Ex hazardous Area Electrical Sourcing Connections eeeeeeceeeeeeeneeeeeeeeeaeeeeaeeeeaeeeeaeeeeaeeeeaeeseaeeseaeeeeaeeseeeeeaeens Connections for Simulating a Thermocouple ssesssesseessessiesetsirstsstrnrtnstnttnnstnnsennrenstnnne Connection for Simulating a 3 Wire RTD c ccecceeeceeeneeeeeeeeneeeeeeeeeeseaeeseaeeseaeetseeseaeeeeaees Vil Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual 18 Connections for Sourcing Pressure anuna anwwwanwaannaawanaaawaaawanawnanaaanaaanasanassasnasannssasnssana 19 Calibrating a Thermocouple Transmitter 20 Calibrating a Pressure to Current P I Transmitter 21 Calibrating a Current to Pressure I P Transmitter 22 Calibrating a Chart
48. zardous area before opening the battery door See Ex Hazardous Areas Remove test leads from the Calibrator before opening the battery door Measurement Category I CAT I is defined for measurements performed on circuits not directly connected to the mains Turn off circuit power before connecting the Calibrator mA and COM terminals in the circuit Place Calibrator in series with the circuit Quality Fluke Products Online at www GlobalTestSupply com sales GlobalTestSupply com 725Ex Users Manual When servicing the Calibrator use only specified replacement parts Do not open the Calibrator case Opening the case invalidates the Calibrator s Ex Approval Do not allow water inside the case Before each use verify the Calibrator s operation by measuring a known voltage Never touch the probe to a voltage source when the test leads are plugged into the current terminals Do not operate the Calibrator around explosive dust When using a pressure module make sure the process pressure line is shut off and depressurized before connecting it or disconnecting it from the pressure module Use four properly installed AA batteries to power the Calibrator Use only the batteries listed in Table 8 Disconnect test leads from the circuit under test before changing to another measure or source function When measuring the pressure of toxic or flammable gases care must be taken to minimize the possibility of leakage Confirm that a
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