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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.
Table of Contents Title Page Introduction........................1 Contacting Fluke......................1 Standard Equipment...................... 3 Safety Information ......................3 Symbols ........................7 Getting Acquainted with the Calibrator ................8 Input and Output Terminals ..................8 Keys.......................... 10 Display ........................13 Configuration Menus ..................... 14 Contrast Adjustment ....................
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Users Manual HART Resistor ON/OFF ..................16 Getting Started ....................... 16 Voltage to Voltage Test ..................... 16 Using Measure Mode ..................... 18 Measuring Electrical Parameters (Upper Display) ............ 18 Current Measurement with Loop Power ..............18 Measuring Electrical Parameters (Lower Display) ............ 20 Measuring Temperature ....................
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Cleaning the Calibrator ..................... 54 Service Center Calibration or Repair ................ 54 Replacement Parts ....................54 Accessories ........................56 External Fluke Pressure Module Compatibility ............56 Specifications ........................ 59 DC Voltage Measurement and Source ..............59 DC mA Measurement and Source ................59 Ohms Measurement ....................
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Users Manual Loop Power Supply ....................64 Pulse Read and Pulse Source .................. 64 Pressure Measurement ..................... 64 General Specifications ....................65 Index...
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International Symbols ......................7 Input/Output Terminals and Connectors................9 Key Functions ........................11 Thermocouple Types Accepted .................... 22 RTD Types Accepted......................25 mA Step Values ........................42 Replacement Parts ....................... 54 Fluke Pressure Module Compatibility ................... 56 Pressure Modules......................... 57...
List of Figures Figure Title Page Standard Equipment ......................6 Input/Output Terminals and Connectors................8 Keys............................10 Elements of a Typical Display ....................13 Adjusting the Contrast ......................14 Voltage-to-Voltage Test ......................17 Measuring Voltage and Current Output ................18 Connections for Supplying Loop Power................
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Users Manual Connections for Sourcing Pressure ..................40 SAVE DATA Menu Showing Measurement Memory Location 3, 1 ........44 Calibrating a Thermocouple Transmitter ................46 Calibrating a Pressure-to-Current (P/I) Transmitter .............. 48 Calibrating a Current-to-Pressure (I/P) Transmitter .............. 50 Calibrating a Chart Recorder ....................52 Replacing the Batteries ......................
Multifunction Process Calibrator Stores and recalls calibration screens. Introduction Control the Calibrator remotely from a PC running a The Fluke 726 Multifunction Process Calibrator (referred terminal emulator program. to as “the Calibrator”) is a handheld, battery-operated Contacting Fluke instrument that measures and sources electrical and physical parameters.
Users Manual Table 1. Summary of Source and Measure Functions Function Measure Source dc V 0 V to 30 V 0 V to 20 V dc mA 0 to 24 mA 0 to 24 mA Frequency 2 CPM to 15 kHz 2 CPM to 15 kHz Resistance to 4000...
Stackable alligator clip test leads provided by the Calibrator may be impaired. 726 Product Overview (not shown in Figure 1) A Warning identifies conditions and actions that pose hazard(s) to the user. A Caution identifies conditions and 725/726 CD-ROM (contains Users Manual;...
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Users Manual XW Warning To avoid possible electric shock or personal injury: Use the Calibrator only as described in the Users Manual or the protection provided by the Calibrator may be impaired. Do not apply more than the rated voltage, as marked on the Calibrator, between the terminals, or between any terminal and earth ground (30 V 24 mA max all terminals).
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Multifunction Process Calibrator Safety Information 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 only 4 AA batteries, properly installed in the Calibrator case, to power the Calibrator. Disconnect test leads before changing to another measure or source function.
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Users Manual AC72 Alligator Clips TL75 Test Lead Set Stackable Test Leads bec01f.eps Figure 1. Standard Equipment...
Multifunction Process Calibrator Safety Information Symbols Symbols used on the Calibrator and in this manual are explained in Table 2. Table 2. International Symbols AC - Alternating current Double insulated DC - Direct current Battery Risk of danger. Important information. See Earth ground Manual.
Users Manual Getting Acquainted with the Calibrator Input and Output Terminals Figure 2 shows the Calibrator input and output terminals. Table 3 explains their use. PRECISION CALIBRATOR ZERO %Error OPEN/CLOSE 3 Seconds V mA SWITCH LOOP TEST HART V mA FREQ MEAS SOURCE...
Multifunction Process Calibrator Getting Acquainted with the Calibrator Table 3. Input/Output Terminals and Connectors Name Description Pressure module Connects the Calibrator to a pressure module or to a PC for a remote control connector/serial connector serial connection. MEASURE V, mA terminals Input terminals for measuring voltage, current, supplying loop power, HART B, C resistance, switch test options.
Users Manual Keys Figure 3 shows the Calibrator keys and Table 4 explains their use. PRECISION CALIBRATOR PRECISION CALIBRATOR ZERO ZERO %Error OPEN/CLOSE %Error OPEN/CLOSE 3 Seconds 3 Seconds V mA V mA SWITCH SWITCH LOOP TEST LOOP TEST HART HART V mA FREQ...
Multifunction Process Calibrator Getting Acquainted with the Calibrator Table 4. Key Functions Name Description Turns the power on or off. %Error Toggles voltage, mA, or Loop Power and % Error measurement functions in the upper display. ZERO Selects the pressure measurement function in the upper display. Repeated pushes cycle through the 3 Seconds different pressure units.
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Users Manual Table 4. Key Functions (cont.) Name Description Cycles through : E Slow repeating 0 % - 100 % - 0 % ramp TRIGGER/STOP P Fast repeating 0 % - 100 % - 0 % ramp N Repeating 0 % - 100 % - 0 % ramp in 25 % steps Used for the pulse train and totalizer functions.
Multifunction Process Calibrator Getting Acquainted with the Calibrator Display Figure 4 shows the elements of a typical display. Memory Locations Loop HART Mode for Calibrator Setups Indicator Indicator Low Battery Symbol Units Display Mode Indicator % Error Indicators Auto Ramp bec07f.eps Figure 4.
Users Manual Configuration Menus Use the configuration menus to set or change these parameters of the Calibrator: PRECISION CALIBRATOR Contrast Adjustment Shut Down Mode CJC on/off C/ F ZERO OPEN/CLOSE %Error 3 Seconds V mA SWITCH LOOP TEST Frequency/Pulse output voltage HART Pulse output frequency V mA...
Multifunction Process Calibrator Configuration Menus Shut Down Mode Frequency Pulse Output Voltage Press C until FREQ OUTPUT V Adjust appears The Calibrator comes with a shut down mode set for 30 minutes (displayed for about 1 second when the on the display. Calibrator is initially turned on).
Users Manual Resistor ON/OFF Getting Started HART Press C until SELECT HART ON or OFF This section details some basic operations of the appears on the display. Calibrator. Use V to toggle ON or OFF. Voltage to Voltage Test Press S to save the setting.
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Multifunction Process Calibrator Getting Started bec39f.eps Figure 6. Voltage-to-Voltage Test...
Users Manual 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 700 Series pressure module, use the upper display and proceed as follows: Press to select volts or current.
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Multifunction Process Calibrator Using Measure Mode PRECISION CALIBRATOR ZERO OPEN/CLOSE %Error 3 Seconds V mA SWITCH LOOP TEST HART V mA FREQ MEAS SOURCE PULSE TEST DC PWR – + – EXIT CONFIG CONFIG 100% SELECTION SAVE RECALL ENTER – TRIGGER/STOP Return to Recall...
Users Manual Measuring Electrical Parameters (Lower Display) To measure electrical parameters using the lower display, PRECISION CALIBRATOR proceed as follows: Connect the Calibrator as shown in Figure 9. If necessary, press for MEASURE mode (lower display). Press for dc voltage or current, ZERO OPEN/CLOSE %Error...
Multifunction Process Calibrator Using Measure Mode W Caution Measuring Temperature One pin is wider than the other. Do not try to force a Using Thermocouples miniplug into the wrong polarization. The Calibrator supports 13 standard thermocouples. Note Table 5 summarizes the ranges and characteristics of each.
Users Manual Table 5. Thermocouple Types Accepted Positive Lead (H) Type Positive Lead Color Negative Lead Specified Range Material Material ( C) ANSI* IEC** Chromel Purple Violet Constantan -200 to 950 Ni-Cr-Si Orange Pink Ni-Si-Mg -200 to 1300 Iron White Black Constantan -200 to 1200...
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Multifunction Process Calibrator Using Measure Mode 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + Process Temperature LOOP mA - Warning 30 V maximum to TC Miniplug bec12f.eps Figure 10. Measuring Temperature with a Thermocouple...
PRT Custom Curves Up to three custom curves can be named and CVD coefficients can be entered through the serial port. Names can be up to six characters. For more information, see the Application Note on the 725/726 CD.
Multifunction Process Calibrator Using Measure Mode Table 6. RTD Types Accepted RTD Type Ice Point (R Material Range ( C) Pt100 (3926) Platinum 0.003926 -200 to 630 Pt100 (385) Platinum 0.00385 -200 to 800 Ni120 (672) Nickel 0.00672 -80 to 260 Pt200 (385) Platinum 0.00385...
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Users Manual 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - bec15f.eps Figure 11.
Using Measure Mode Measuring Pressure Many ranges and types of pressure modules are available Gage Differential from Fluke, see “Accessories”. Before using a pressure High module, read its instruction sheet. The modules vary in 700 P 06 700 P 04...
Users Manual Never apply pressure above the rated Zeroing with Absolute Pressure Modules maximum printed on the pressure To zero, adjust the Calibrator to read a known pressure. module. This can be barometric pressure, if it is accurately known, Only use the pressure module with for all but the 700PA3 module.
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Multifunction Process Calibrator Using Measure Mode Isolation Valve Gage Module PRECISION CALIBRATOR ZERO %Error OPEN/CLOSE 3 Seconds V mA SWITCH TEST LOOP HART V mA FREQ MEAS SOURCE PULSE EXIT CONFIG Differential CONFIG 100% SELECTION Module SAVE RECALL ENTER TRIGGER/STOP Tank Return to Recall...
Users Manual Using Source Mode Simulating a 4- to 20-mA Transmitter Simulate is a special mode of operation in which the In SOURCE mode, the Calibrator: Calibrator is connected into a loop in place of a generates calibrated signals for testing and transmitter and supplies a known, settable test current.
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Multifunction Process Calibrator Using Source Mode PRECISION CALIBRATOR ZERO %Error OPEN/CLOSE 3 Seconds V mA SWITCH LOOP TEST HART V mA FREQ MEAS SOURCE PULSE EXIT CONFIG CONFIG 100% SELECTION +24 V SAVE RECALL ENTER TRIGGER/STOP Return to Recall Loop Power Black Supply...
Users Manual Press for dc voltage, or for frequency, and Sourcing Other Electrical Parameters R for resistance. Volts, ohms, and frequency are also sourced and shown Enter the desired output value by pressing in the lower display. keys. Press to select a different digit to To select an electrical sourcing function, proceed as change.
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Multifunction Process Calibrator Using Source Mode 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE + mA mA + LOOP mA - HART – Communicator Black Common 30V MAX ALL TERMINALS SOURCE / MEASURE MEASURE mA + LOOP mA - – Black Common bec16f.eps...
Users Manual Simulating Thermocouples Figure 16 shows this connection. Proceed as follows to simulate a thermocouple: Connect the Calibrator TC input/output to the instrument Attach the thermocouple leads to the appropriate TC under test with the thermocouple wire and the appropriate miniplug, then to the TC input/output as shown in thermocouple mini-connector (polarized thermocouple Figure 16.
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Multifunction Process Calibrator Using Source Mode PRECISION CALIBRATOR TEST DC PWR – Color depends on type of TC ZERO %Error OPEN/CLOSE 3 Seconds V mA SWITCH TEST LOOP – HART V mA FREQ MEAS SOURCE PULSE EXIT CONFIG CONFIG 100% SELECTION SAVE RECALL...
Connect the Calibrator to the instrument under test as If the 726 display indicates ExI HI, the excitation shown in Figure 17. Proceed as follows to simulate an current from your device under test exceeds the RTD: limits of the 726.
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Multifunction Process Calibrator Using Source Mode SENSOR TERMINALS BLACK bec40f.eps Figure 17. Connections for Simulating 3- and 4-Wire RTD...
SOURCE field. Figure 18 shows how to Never apply more than 10 ft.-lb. (13.5 Nm) connect a pump to a Fluke pressure module which makes of torque between the pressure module it a calibrated source.
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Multifunction Process Calibrator Using Source Mode Connect a pressure module to the Calibrator as Zero the pressure module as described in the shown in Figure 18. The threads on the pressure module’s Instruction Sheet. Modules vary in zeroing modules accept standard ¼ NPT pipe fittings. Use procedures depending on module type.
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Users Manual Hand Pump Measure mA Source Pressure 24 V Loop Power PRECISION CALIBRATOR Enabled ZERO %Error OPEN/CLOSE Pressure 3 Seconds V mA SWITCH TEST LOOP Module HART V mA FREQ To Unit Under Test MEAS SOURCE PULSE EXIT CONFIG CONFIG 100% SELECTION...
Multifunction Process Calibrator Setting 0 % and 100 % Output Parameters % Error Functionality Setting 0 % and 100 % Output Parameters Percentage Error is available for every range on the lower display. The calculation is based on a mA For current output, the Calibrator assumes that 0 % percentage deviation from the value measured on the corresponds to 4 mA and 100 % corresponds to 20 mA.
Users Manual Manually Stepping the mA Output To exit ramping, press any button. Table 7. mA Step Values To manually step current output: to step the current up or down in Step 4 to 20 mA 25 % steps. 4.000 Touch either to go to 0 %, or to go to...
Multifunction Process Calibrator Storing and Recalling Data Recall a Setup Storing and Recalling Data To recall a setup: Up to 40 data samples can be stored in a nonvolatile memory to be recalled for later use. A low battery Push S twice. The right side of the display condition or a battery change does not jeopardize the changes to show RECL SETUP and RECALL DATA.
Users Manual Push Y or Z to select the correct data location Memory Locations Save Data Mode Indicator (bottom right of display). Push S to recall the data stored in that location. Data Point S A V E Push W to return to the same RECALL DATA D A T A location to see the next saved measurement, 2 of 5 for example.
Multifunction Process Calibrator Calibrating a Transmitter Calibrating a Transmitter If necessary, press for SOURCE mode. Set the zero and span parameters by pressing Use the measurement (upper display) and source (lower . Enter these parameters by pressing and display) modes to calibrate a transmitter. This section holding .
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Users Manual PRECISION CALIBRATOR ZERO %Error OPEN/CLOSE 3 Seconds V mA SWITCH LOOP TEST HART V mA FREQ MEAS SOURCE PULSE TEST DC PWR – + – EXIT CONFIG CONFIG 100% SELECTION SAVE RECALL ENTER – TRIGGER/STOP Return to Recall HART Communicator Black...
Multifunction Process Calibrator Calibrating a Pressure Transmitter Calibrating a Pressure Transmitter If necessary, press for SOURCE mode. Zero the pressure module. The following steps explain calibrating a pressure transmitter. Perform checks at 0 % and 100 % of span and adjust the transmitter as necessary.
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Users Manual Hand Pump S I G N A L Measure mA – Source Pressure 24 V Loop Power PRECISION CALIBRATOR Enabled T E S T ZERO %Error OPEN/CLOSE Pressure 3 Seconds V mA SWITCH TEST LOOP Module HART V mA FREQ MEAS SOURCE...
Multifunction Process Calibrator Calibrating an I/P Device Calibrating an I/P Device Press for sourcing current (lower display). If necessary, press for SOURCE mode. The following steps explain how to calibrate a device that controls pressure. Proceed as follows: Enter the desired current by pressing Press to select different digits.
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Users Manual S I G N A L Measure – Pressure Source mA PRECISION CALIBRATOR T E S T Pressure ZERO %Error OPEN/CLOSE 3 Seconds V mA SWITCH Module TEST LOOP HART V mA FREQ MEAS SOURCE PULSE EXIT CONFIG CONFIG 100% SELECTION...
Multifunction Process Calibrator Pressure Switch Test Pressure Switch Test OPEN displays once the switch is open. Slowly bleed the pump until the pressure switch closes. RECALL appears Note on the display. This example uses a normally-closed switch. Press Q to read the pressure values for when the The procedure is the same for an open switch switch opened, for when it closed, and for the but the display reads OPEN instead of CLOSE.
The Calibrator may be remotely controlled from a PC running a terminal emulator program. The remote control commands give access to all capabilities of the Calibrator with the exception of pressure measurement. See the Fluke Web Site for the 726 Remote Programming application note at www.fluke.com/processtools ...
Multifunction Process Calibrator Maintenance Maintenance Replacing the Batteries Warning To avoid false readings, which could lead to possible electric shock or personal injury, replace the batteries as soon as the battery indicator (M) appears. Figure 24 shows you how to replace the batteries. Battery and Compartment bec38f.eps...
659026 and replace them if needed. Battery door 1/4-turn 948609 To locate an authorized service center, refer to fasteners “Contacting Fluke” at the beginning of the manual. TL75 series test leads 855742 Test lead, red 688051 Test lead, black 688066...
The output of Fluke 700P pressure modules can cause your Fluke representative. Fluke Pressure Module the 726’s 5 digit display to overflow, or else produce Compatibility is listed in Table 9. Pressure Modules and values that are too low to be read if inappropriate units Fluke model numbers are listed in Table 10.
Multifunction Process Calibrator Accessories Table 10. 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...
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Users Manual Table 10. 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...
Multifunction Process Calibrator Specifications Specifications Specifications are based on a one year calibration cycle and apply from +18 C to +28 C unless stated otherwise. All specifications assume a five-minute warmup period. DC Voltage Measurement and Source Accuracy, Range Minimum Maximum (% of Reading + Floor) 30 V (upper display)
Users Manual Loop Power Supply Voltage: 24 V Maximum current: 22 mA Short circuit protected. Pulse Read and Pulse Source Pulse Accuracy Frequency 10,000 1 Count 2 CPM to 10 kHz Source 100,000 Read Pressure Measurement Range Resolution Accuracy Units Mode Determined by 5 digits...
Multifunction Process Calibrator Specifications General Specifications Operating temperature -10 C to 50 C Storage temperature - 20 C to 70 C Stability 0.005 % of range/ C outside of 23 Operating altitude 3000 meters above mean sea level Relative Humidity (% RH operating without condensation) 90 % (10 to 30 C) 75 % (30 to 40 C) 45 % (40 to 50 C)
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