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Fluke 725/FPC User Manual

Multifunction process calibrator
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725
Multifunction Process Calibrator
Users Manual
October, 1998 Rev.3, 5/04
© 1998-2004 Fluke Corporation, All rights reserved.
All product names are trademarks of their respective companies.
Fluke-Direct
.ca
information@ITM.com
1.800.561.8187

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  • Page 1 ® Multifunction Process Calibrator Users Manual October, 1998 Rev.3, 5/04 © 1998-2004 Fluke Corporation, All rights reserved. All product names are trademarks of their respective companies. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 2 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,...

  • Page 3: Table Of Contents

    Getting Started ......................14 Shut Down Mode ......................14 Contrast Adjustment ...................... 16 Using Measure Mode..................... 17 Measuring Electrical Parameters (Upper Display) ............ 17 Current Measurement with Loop Power..............17 Measuring Electrical Parameters (Lower Display) ............ 19 Measuring Temperature.................... 20 Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 4 Testing an Output Device....................45 Remote Control Commands................... 46 Replacing the Batteries ....................49 Replacing the Fuses ...................... 49 Maintenance........................50 Cleaning the Calibrator....................50 Service Center Calibration or Repair................. 50 Replacement Parts ....................51 Accessories ........................53 Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 5 Contents (continued) External Fluke Pressure Module Compatibility ............53 Specifications......................... 56 DC Voltage Measurement..................56 DC Voltage Source ....................56 Millivolt Measurement and Source*................56 DC mA Measurement and Source ................57 Ohms Measurement....................57 Ohms Source ......................57 Frequency Measurement ..................57 Frequency Source.....................
  • Page 6 Step Values ........................38 Remote Control Upper Display ..................... 46 Remote Control Lower Display ..................... 46 "S" Commands Select Sensor Type ..................48 Replacement Parts ....................... 51 Fluke Pressure Module Compatibility ................... 53 Pressure Modules ......................... 54 Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 7 Gage and Differential Pressure Modules ................26 Connections for Measuring Pressure..................28 Connections for Simulating a 4- to 20-mA Transmitter ............30 Electrical Sourcing Connections ................... 31 Connections for Simulating a Thermocouple ................ 33 Connection for Simulating a 3-Wire RTD................34 Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 8 Connections for Sourcing Pressure..................36 Calibrating a Thermocouple Transmitter ................40 Calibrating a Pressure-to-Current (P/I) Transmitter............... 42 Calibrating a Current-to-Pressure (I/P) Transmitter............... 44 Calibrating a Chart Recorder....................45 Replacing the Battteries ......................50 Replacement Parts........................ 52 viii Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 9: Introduction

    Multifunction Process Calibrator • Introduction Manual stepping and automatic stepping and ramping. Your Fluke 725 Multifunction Process Calibrator (referred • Controls the calibrator remotely from a PC running a to as “the calibrator”) is a handheld, battery-operated terminal emulator program.
  • Page 10 27 modules ranging from 10 in. H O to 27 modules ranging from 10 in. H O to 10,000 psi 10,000 psi using an external pressure source (hand pump) Other functions Loop supply, Step, Ramp, Memory, Dual display Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 11: Standard Equipment

    Stackable alligator clip test leads (one set) • International symbols used on the calibrator and in this 725 Product Overview Manual manual are explained in Table 2. • 725 CD-ROM (contains Users Manual) • Spare fuse Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 12 • Do not use the calibrator if it operates abnormally. Protection may be impaired. When in doubt, have the calibrator serviced. • Do not operate the calibrator around explosive gas, vapor, or dust. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 13 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 your measurement or sourcing application. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 14 Users Manual AC72 Alligator Clips TL75 Test Lead Set Stackable Test Leads sh01f.eps Figure 1. Standard Equipment Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 15 Table 2. International Symbols AC - Alternating current Double insulated DC - Direct current Battery Earth ground Refer to the manual for information about this feature. Pressure ON/OFF Conforms to Canadian Standards Conforms to European Union directives Association directives Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 16: Getting Acquainted With The Calibrator

    Figure 2 shows the calibrator input and output terminals. MULTIFUNCTION CALIBRATOR Table 3 explains their use. V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ STORE 100% SETUP RECALL sh05f.eps Figure 2. Input/Output Terminals and Connectors Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 17 SOURCE/ MEASURE Terminals for sourcing or measuring voltage, resistance, frequency, and RTDs. V, RTD, Hz, Ω terminals G, H SOURCE/ MEASURE Terminals for sourcing and measuring current, and performing 3W and 4W RTD mA terminals, 3W, 4W measurements. Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 18: Keys

    STORE 100% 100% SETUP SETUP RECALL RECALL 30V MAX ALL TERMINALS 30V MAX ALL TERMINALS SOURCE / MEASURE SOURCE / MEASURE MEASURE MEASURE mA + mA + LOOP LOOP mA - mA - sh41f.eps Figure 3. Keys Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 19 Recalls from memory a source value corresponding to 0 % of span and sets it as the source value. Press and hold to store the source value as the 0 % value. Identifies Firmware version. Press and hold J when powering up. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 20 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. Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 21: Display

    Getting Acquainted with the Calibrator Display Figure 4 shows the elements of a typical display. Memory Locations Loop for Calibrator Setups Annunciator Low Battery Symbol Units Display Mode Indicator Auto Ramp sh07f.eps Figure 4. Elements of a Typical Display Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 22: Getting Started

    X and/or W to adjust the time between 1 and Press to select a digit to change. Press 30 minutes. to select 1 V for the output value. Press and hold to enter 1 V as the 0 % value. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 23 Shut Down Mode sh39f.eps Figure 5. Voltage-to-Voltage Test Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 24: Contrast Adjustment

    Figure 6. SOURCE ˚ ˚ STORE 100% Press and hold X to darken contrast. SETUP RECALL Press and hold W to lighten contrast. Press S to save the contrast level. sh06f.eps Figure 6. Adjusting the Contrast Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 25: Using Measure Mode

    Connect the calibrator to the transmitter current loop terminals as shown in Figure 8. Press while the calibrator is in current measurement mode. LOOP appears and an internal Black 24 V loop supply turns on. sh42f.eps Figure 7. Measuring Voltage and Current Output Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 26 Users Manual MULTIFUNCTION CALIBRATOR V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ TEST DC PWR – + – STORE 100% SETUP RECALL – Black sh18f.eps Figure 8. Connections for Supplying Loop Power Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 27: Measuring Electrical Parameters (Lower Display)

    If necessary, press for MEASURE mode (lower display) Press for dc voltage or current, or frequency or resistance. V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ STORE 100% SETUP RECALL sh43f.eps Figure 9. Measuring Electrical Parameters Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 28: Measuring Temperature

    If necessary, you can toggle between °C or °F miniplug, then to the TC input/output as shown in temperature units by pressing Figure 10. One pin is wider than the other. Do not try to force a miniplug in the wrong polarization. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 29 Platinum -20 to 1750 Iron Constantan -200 to 900 Copper Constantan -200 to 400 *American National Standards Institute (ANSI) device negative lead (L) is always red. **International Electrotechnical Commission (IEC) device negative lead (L) is always white. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 30 Users Manual 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + Process Temperature LOOP mA - Warning 30 V maximum to TC Miniplug sh12f.eps Figure 10. Measuring Temperature with a Thermocouple Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 31: Using Resistance-Temperature Detectors (Rtds)

    Attach the RTD to input terminals as shown in Figure 11. If necessary, you can toggle between °C or °F temperature units by pressing Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 32 Pt100 (3916) Platinum -200 to 630 The Pt100 commonly used in U.S. industrial applications is Pt100 (3916), α = 0.003916 Ω/°C. (Also designated as JIS curve.) The IEC standard RTD is the Pt100 (385), α = 0.00385 Ω/°C. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 33 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - sh15f.eps Figure 11. Measuring Temperature with an RTD, Measuring 2-, 3-, and 4-Wire Resistance Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 34: Measuring Pressure

    Users Manual Measuring Pressure Gage Many ranges and types of pressure modules are available Differential from Fluke. See “Accessories” near the back of this High manual. Before you use a pressure module, read its 700 P 06 700 P 04...

  • Page 35: Zeroing With Absolute Pressure Modules

    If desired, continue pressing to change pressure O@4 °C, display units to psi, mmHg, inHg, cmH Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 36 Users Manual Isolation Valve Gage Module MULTIFUNCTION CALIBRATOR V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ Differential STORE 100% Module SETUP RECALL Tank sh37f.eps Figure 13. Connections for Measuring Pressure Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 37: Using Source Mode

    Proceed as follows: Connect the 24 V loop power source as shown in Figure 14. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 38 MULTIFUNCTION CALIBRATOR V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ +24 V STORE 100% SETUP RECALL Loop Black Power Supply Readout or Controller – sh17f.eps Figure 14. Connections for Simulating a 4- to 20-mA Transmitter Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 39 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE + mA mA + LOOP mA - – Black Common 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - – Black Common sh16f.eps Figure 15. Electrical Sourcing Connections Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 40: Simulating Thermocouples

    Enter the temperature you want by pressing If the 725 display indicates ExI HI, the excitation keys. Press to select a different digit to current from your device under test exceeds the limits edit. of the 725. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 41 MULTIFUNCTION CALIBRATOR TEST DC PWR – Color depends on type of TC V mA ZERO LOOP – V mA MEAS SOURCE ˚ ˚ STORE 100% SETUP RECALL TC Miniplug sh20f.eps Figure 16. Connections for Simulating a Thermocouple Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 42 Users Manual SENSOR TERMINALS BLACK BLACK sh40f.eps Figure 17. Connections for Simulating 3-Wire RTD Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 43: Sourcing Pressure

    10 ft.-lb. (13.5 Nm) of torque between the pressure in the SOURCE field. Figure 20 shows how to pressure module fittings, or between the connect a pump to a Fluke pressure module which makes fittings and the body of the module. Always it a calibrated source.
  • Page 44 O@4 °C, display units to psi, mmHg, inHg, cmH STORE 100% SETUP O@20 °C, inH O@4 °C, inH O@20 °C, mbar, RECALL bar, kg/cm , or kPa. sh19f.eps Figure 18. Connections for Sourcing Pressure Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 45: Setting 0 % And 100 % Output Parameters

    To manually step current output you can do the following: • to step the current up or down in 25 % steps. • Touch momentarily either to go to 0 %, or to go to 100 %. Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 46: Auto Ramping The Output

    Table 7. mA Step Values Press . The memory locations appear on the display. Step 4 to 20 mA 4.000 Press to select the appropriate location and 25 % 8.000 press 50 % 12.000 75 % 16.000 100 % 20.000 Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 47: Calibrating A Transmitter

    Figure 19. Proceed as follows to calibrate a transmitter Press for current (upper display). If required, press again to activate loop power. Press (lower display). If desired, continue pressing this key to select the desired thermocouple type. If necessary, press for SOURCE mode. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 48 Users Manual MULTIFUNCTION CALIBRATOR V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ TEST DC PWR – + – STORE 100% SETUP RECALL – Black sh44f.eps Figure 19. Calibrating a Thermocouple Transmitter Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 49: Calibrating A Pressure Transmitter

    (upper display). If required, press again to activate loop power. Press (lower display). If necessary, press for SOURCE mode. Zero the pressure module. Perform checks at 0 % and 100 % of span and adjust the transmitter as necessary. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 50 Source Pressure 24 V Loop Power Enabled T E S T MULTIFUNCTION CALIBRATOR Pressure Module V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ STORE 100% SETUP RECALL Black sh34f.eps Figure 20. Calibrating a Pressure-to-Current (P/I) Transmitter Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 51: Calibrating An I/P Device

    Figure 21. The connections simulate a current-to-pressure transmitter and measures the corresponding output pressure. Press (upper display). Press for sourcing current (lower display). If necessary, press for SOURCE mode. Enter the desired current by pressing keys. Press to select different digits. Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 52 S I G N A L Measure – Pressure Source mA T E S T MULTIFUNCTION CALIBRATOR Pressure Module V mA ZERO LOOP V mA MEAS SOURCE ˚ ˚ STORE 100% SETUP RECALL Black sh28f.eps Figure 21. Calibrating a Current-to-Pressure (I/P) Transmitter Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 53: Testing An Output Device

    (lower display). V mA ZERO LOOP If necessary, press for SOURCE mode. V mA MEAS SOURCE ˚ ˚ STORE 100% SETUP RECALL 0 to 1 V dc Input Black sh25f.eps Figure 22. Calibrating a Chart Recorder Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 54: Remote Control Commands

    The calibrator will initialize with its remote port enabled. The terminal emulator connected to The Fluke 700SC Serial Interface Cable Assembly (PN the calibrator should be set up for: 9600 baud, no parity, 667425) plugs into the pressure module connector and 8 data bits, and 1 stop bit.
  • Page 55 RTD measurement mode (default Pt100 385) use “S” command to select sensor type Increment display source value Decrement display source value < The < arrow key PC keyboard selects left arrow on 725 > The > arrow key PC keyboard selects right arrow on 725 Fluke-Direct information@ITM.com 1.800.561.8187...
  • Page 56 Single Broadcast of most recent lower display value and units Table 8C. "S" Commands Select Sensor Type Selection Entry Serial Thermocouple Type RTD Type Input Pt100 (3926) Pt100 (385) Pt100 (3916) Pt200 (385) Pt500 (385) Pt1000 (385) Ni120 Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 57: Replacing The Batteries

    F3 may have opened. If you can’t measure or source current with the left jacks, F4 may have opened. To replace the fuses, refer to Figure 23 and perform the following steps: Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 58: Maintenance

    If the calibrator is faulty, send a description of the failure with the calibrator. Pressure modules do not need to accompany the calibrator unless the module is faulty also. Be sure to Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 59: Replacement Parts

    Service Center. Fluke 690963 assumes no responsibility for damage in transit. Keypad 690955 The Fluke 725 calibrator covered by the warranty will be Case bottom 664235 promptly repaired or replaced (at Fluke’s option) and AA alkaline batteries 376756 returned to you at no charge.
  • Page 60 Users Manual zi45f.eps Figure 24. Replacement Parts Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 61: Accessories

    Accessories External Fluke Pressure Module Compatibility For more information about these accessories and their The output of Fluke 700P pressure modules can cause prices, contact your Fluke representative. Pressure the 725’s 5 digit display to overflow, or else produce Modules and Fluke model numbers (see Table 10) are values that are too low to be read if inappropriate units listed below.
  • Page 62 Users Manual Table 11. Pressure Modules Fluke Model Number Range Type and Media Fluke-700P00 0 to 1” H differential, dry Fluke-700P01 0 to 10” H differential, dry Fluke-700P02 0 to 1 psi differential, dry Fluke-700P22 0 to 1 psi differential, wet...
  • Page 63 Accessories Table 11. Pressure Modules (cont.) Fluke Model Number Range Type and Media Fluke-700P29 0 to 3,000 psi gage, wet Fluke-700P30 0 to 5,000 psi gage, wet Fluke-700P31 0 to 10,000 psi gage, wet Fluke-700PA3 0 to 5 psi absolute, wet...

  • Page 64: Specifications

    55 °C: ±0.005 % of range per °C Temperature coefficient -10 °C to 18 °C, +28 °C to 55 °C: ±0.005 % of range per °C *Select this function by pressing T. The signal is available at the thermocouple miniplug connector. Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 65: Dc Ma Measurement And Source

    * 2-wire: Does not include lead resistance. 3-wire: Assumes matched leads with a total resistance ± (0.05 % + 1 count) 1.0 to 10.0 kHz 0.01 kHz not exceeding 100 Ω. Sensitivity: 1V peak-to-peak minimum Waveform: squarewave Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 66: Frequency Source

    0.7 °C -20 to 0 °C 2.5 °C 0 to 500 °C 1.8 °C 500 to 1750 °C 1.4 °C -20 to 0 °C 2.5 °C 0 to 500 °C 1.8 °C 500 to 1750 °C 1.5 °C Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 67: Loop Power Supply

    Pt500-385: 0.05 to 0.80 mA; Pt1000-385: 0.05 to 0.40 mA 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 Ω. Fluke-Direct information@ITM.com 1.800.561.8187...

  • Page 68: Pressure Measurement

    Random, 2 g, 5 to 500 Hz Safety EN 61010-1:1993, ANSI/ISA S82.01-1994; CAN/CSA C22.2 No 1010.1:1992 Power requirements 4 AA alkaline batteries Size 96 x 200 x 47 mm. (3.75 x 7.9 x 1.86 in) Weight 650 gm (1 lb, 7 oz) Fluke-Direct information@ITM.com 1.800.561.8187...

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