Multifunction Process Calibrator
Contents
1. Pressure Module V mA FREQ L 2 SOURCE gt To Unit Under Test TC RTD PULSE EXIT CONFIG CONFIG SELECTION kend RECALL dh 2 ENTER maas I AME JJ bec47f eps Figure 18 Connections for Sourcing Pressure 40 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 0 and 100 points must be set before using 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 This example is temperature source using 100 C and 300 C values for source 3 Enter 100 C then press and hold Lee to store the value 4 Enter 300 C then press and hold 19 to store the value This setting can now be used for the following e Manually stepping an output in 25 increments e Switch between the 0 and 100 span points by momentarily pushing or 10 Multifunction Process Calibrator Setting 0 and 100 Output Parameters Error Functionality Percentage Error is available for every range on the lower display The calculation is based on a mA percentage deviation from the value measured on the upper display to the value sourced on th2. di B B B B Pene E Ce WEE Adjust js OPEN CLOSE SWITCH TEST Q FREQ RTD PULSE EXIT CONFIG CONFIG SELECTION RECALL ENTER RIGGER STOI ANT bec06f eps Figure 5 Adjusting the Contrast Multifunction Process Calibrator Configuration Menus Shut Down Mode Frequency Pulse Output Voltage The Calibrator comes with a shut down mode set for 30 1 Press L n until FREQ OUTPUT V Adjust appears minutes displayed for about 1 second when the on the display Calibrator is initially turned on When shut down mode is 2 Use EI and Q to adjust the frequency pulse enabled the Calibrator automatically shuts down after output voltage from 1 to 20 V the elapsed time from when the last key was pressed 3 Press er to save the setting 1 Press sitio until SHUT DOWN appears on the EE 9 display Pulse Output Frequency 2 Use amp and S to increase or decrease the time 1 Press s rt until PULSE OUTPUT Hz FREQ Adjust 3 Press to save the setting appears on the display 2 Use and to adjust the pulse output CJC frequency from 2 CPM to 15 kHz Cold Junction Compensation CJC is a value for the cold 3 Press to save the setting end of a thermocouple at the Meters end 1 Press t until SELECT CJC appears on the display 2 Use and Q to select ON or
3. Black Red Se FLUKE 726 PRECISION CALIBRATOR MEASURE 0000 10000 ZERO Error s5econds OPEN CLOSE V mA SWITCH Loop TEST V mA 2 FREG TC RTD PULSE EXIT CONFIG 100 CONFIG SELECTION eme LE RECALL da 25 ENTER TRIGGER STO Figure 23 Calibrating a Chart Recorder 52 bec25f eps Remote Control Commands 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 HART Functionality The Calibrator has a user selectable 250 Q HART to facilitate use with HART communication devices The resistor can be switched in or out using config selection menus Use a HART communicator when measuring mA with loop power or sourcing mA Maintenance Replacing the Batteries AA Warning To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the battery indicator EM appears Figure 24 shows you how to replace the batteries Multifunction Process Calibrator Maintenance Battery and C
4. Exits Configuration Menu Increments output by 25 96 of span Decrements output by 25 of span Recalls from memory a source value corresponding to 0 of span and sets it as the source value D Press and hold to store the source value as the 0 value Press and hold when powering up to identify the firmware version The firmware version is shown in the upper display for about 1 second after initialization 11 726 Users Manual Table 4 Key Functions cont we mme ven O Cycles through N Slow repeating 0 100 0 ramp TRIGGER STOP M Fast repeating 0 100 0 ramp d Repeating 0 100 0 ramp in 25 steps Used for the pulse train and totalizer functions SO Increases or decreases the source level d H Cycles through the 2 3 and 4 wire selections Hem Moves through the memory locations of Calibrator setups Moves through the configuration menus Saves and recalls setups amp data ENTER is used in the configuration menus Recall Used to enter and navigate the configuration menus Cycles the Calibrator through MEASURE and SOURCE modes in the lower display Selects 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 Inserts a 250 Q resistor when in mA Selects RTD resistance temperature detector measurement and so
5. 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 ne DC Direct current Battery L Risk of danger Important information See Fann ground A Manual Precedes Warning Conforms to European Union directives Hazardous Voltage Precedes Warning Conforms to Canadian Standards Association directives 726 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 manna 9008 H T SOURCEMEASURE AUTOA Mr bec05f eps Figure 2 Input Output Terminals and Connectors Multifunction Process Calibrator Getting Acquainted with the Calibrator Table 3 Input Output Terminals and Connectors SSES 1 Pressure module Connects the Calibrator to a pressure module or to a PC for a remote control connector serial connector serial connection 2 O MEASURE V mA terminals Input terminals for measuring voltage current supplying loop power HART resistance switch test options Thermocouple TC Terminal for measuring or simulating thermocouples This terminal accepts a input output miniature pola
6. Figure 20 Calibrating a Thermocouple Transmitter 46 Calibrating a Pressure Transmitter The following steps explain calibrating a pressure transmitter 1 Connect the Calibrator to the instrument under test as shown in Figure 21 Press for current upper display If required press again to activate loop power Press S lower display Multifunction Process Calibrator Calibrating a Pressure Transmitter If necessary press for SOURCE mode Zero the pressure module Perform checks at 0 and 100 of span and adjust the transmitter as necessary Note When HART resistor mode is selected the 250 Q resistor is turned on both mA channels 47 726 Users Manual Hand Pump Measure mA N Source Pressure 7 24 V Loop Power Enabled Pressure Module e Error 35econde OPEN CLOSE V mA SWITCH Loop LN TEST HART PI V mA Q FREQ s TC RTD PULSE ex coura cn 100 RECALL dh da 25 S ee a e Saab red ra HART Communicator Oy e e e Black bec34f eps Figure 21 Calibrating a Pressure to Current P I Transmitter 48 Calibrating an I P Device The following
7. vi List of Figures Figure Title 1 Standard Equipment ion dae 2 Input Output Terminals and Conpnechors sese eee eee eee eee eee 3 NOE EEE EE A oe ee eed 4 Elements of a Typical Display A 5 Adjusting the Contrast username ed A o lab 6 Voltage to Voltage Test 7 Measuring Voltage and Current Output 8 Connections for Supplying Loop Power 9 Measuring Electrical Parameterg AAA 10 Measuring Temperature with a Thermocouple A 11 Measuring Temperature with an RTD Measuring 2 3 and 4 Wire Resistance 12 Gage and Differential Pressure Modules 13 Connections for Measuring Pressure eee eee ee eee eee eee e 14 Connections for Simulating a 4 to 20 MA Transmitter 15 Electrical Sourcing Connections esse serere eee eee eee eee 16 Connections for Simulating a Thermocouple see eee eee ee eee ee ee eee eee ee eee 17 Connection for Simulating a 3 and 4 Wire DTD vii 726 Users Manual 18 19 20 21 22 23 24 25 Connections for Sourcing Pressure see eee eee eee eee ee SAVE DATA Menu Showing Measurement Memory Location 3 1 Calibrating a Thermocouple Transmitter Calibrating a Pressure to Current P I Transmitter Calibrating a Current to Pressure I P Transmitter Calibrating a Chart Recorrido Replacing the Batteries eee eee Replacement Parts viii Multifunction Process Calibrator Introduction The Fluke 726 Multifunction Process Calibrator referred to as
8. bec39f eps Figure 6 Voltage to Voltage Test 17 726 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 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 24 V supply in series with the current measuring circuit allowing you to test a transmitter when it is disconnected from plant wiring To measure current with loop power 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 24 V loop supply turns on Note When HART resistor mode is selected the 250 resistor is turned on both mA channels 18 FLUKE 726 PRECISION CALIBRATOR ZERO Error Seconds OPEN CLOSE LOOP V mA SWITCH 2 TEST HART vma To FREQ TC RTD PULSE TONFIG SELECTION SAVE E RECALL ENTER p Ce TRIGGER STOI EXIT CONFIG 100 de 25 y 25 AMT Retum to Recall Ka Ee bec42f eps Figure 7 Measuring Voltage and Current Output Mult
9. 30V MAX ALL TERMINAL S A EASURE MV A Process Temperature H H Warning AN 30 V maximum to L TC Miniplug bec12f eps Figure 10 Measuring Temperature with a Thermocouple 23 726 Users Manual 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 R The most common R is 100 Q The Calibrator accepts RTD measurement inputs in two three or four wire connections with the three wire connection the most common four wire configuration provides the highest measurement precision and two wire provides the lowest measurement precision 24 To measure temperature using an RTD input 1 If necessary press for MEASURE mode 2 Press Lr for the RTD display 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 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 RTDType leePoint R ween oa Ranee 1200 565 Pt500 385 500 0 00385 UC 200 to 630 P
10. OFF 3 Press ve to save the setting Celcius and Fahrenheit C and F 1 Press t until SELECT UNIT C or F appears on the display Use and to select C or F Press Aij to save the setting 15 726 Users Manual HART Resistor ON OFF 1 16 Press siten until SELECT HART ON or OFF appears on the display Use to toggle ON or OFF Press to save the setting Note When HART mode is selected the 250 Q resistor is turned on both mA channels Getting Started This section details some basic operations of the Calibrator Voltage to Voltage Test To perform a voltage to voltage test 1 Connect the Calibrator s voltage output to its voltage input as shown in Figure 6 Press O to turn on the Calibrator Press to select dc voltage upper display If necessary press for SOURCE mode lower display The Calibrator is still measuring dc voltage the active measurements are visible in the upper display Press Vma to select de voltage sourcing Press hl and to select a digit to change Press C to select 1 V for the output value Press and hold to enter 1 V as the 0 value Press to increase the output to 5 V Press and hold 100 to enter 5 V as the 100 value Press 425 and to step between 0 and 100 in 25 step increments Multifunction Process Calibrator Getting Started FLUKE 726 Precision CALIBRATOR MEASURE
11. 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 27 726 Users Manual e Never apply pressure above the rated maximum printed on the pressure module e Only use the pressure module with specified materials Refer to the printing on the pressure module or the pressure module instruction sheet for the acceptable material compatibility 1 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 4 NPT to 4 ISO adapter if necessary 2 Press either 2 or 2 The Calibrator automatically senses which pressure module is attached and sets its range accordingly 3 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 for 3 seconds Continue pressing to change pressure display units to psi mmHg inHg cmH 0 04 C cmH 0 220 C inH 0 4 C inH 0220 C inH 0 260 F mbar bar kg cm or kPa 28 Zeroing with Absolute Pressure Modules To zero adjust the Calibrator to read a known pressure This can be barometric pressure if it is accurately known for a
12. costs of repair 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 Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED
13. the Calibrator is a handheld battery operated instrument that measures and sources electrical and physical parameters See Table 1 In addition to the functions in Table 1 the Calibrator also has the following features and functions e A split screen display The upper display allows users 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 s A thermocouple TC input output terminal and internal isothermal block with automatic reference junction temperature compensation e Stores and recalls setups e Manual and automatic stepping and ramping e Stores and recalls calibration screens e Control the Calibrator remotely from a PC running a terminal emulator program Contacting Fluke To order accessories receive operating assistance or locate the nearest Fluke distributor or Service Center call USA 1 888 44 FLUKE 1 888 443 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 675 200 Japan 81 3 3434 0181 Singapore 65 738 5655 Anywhere in the world 1 425 446 5500 USA Service 1 888 99 FLUKE 1 888 993 5853 Or visit Fluke s Web site at www fluke com To register your product visit register fluke com 726 Users Manual Table 1 Summary of Source and Measure Functions Function Measure Source Types E J K T B R S L U N C XK BP
14. to 20 mA transmitter simulating 30 A Accessories 56 Auto ramping output 42 B Battery replacing 53 C Calibration 54 Celcius and Fahrenheit Cleaning calibrator 54 Cold Junction Compensation CJO 15 Commands Remote Control configuration menus Connections for pressure sourcing 39 Contact Information 1 Index D Data Recall 44 display contrast adjustment Display 13 E Electrical parameters measurement 20 sourcing 32 F frequency output voltage 15 67 726 Users Manual G Getting started 16 H HART configuration menu 16 UP device calibrating 49 Input terminals Input output terminals and connectors table 9 K Key functions table 11 Keys 10 L loop power 18 Loop power simulating 30 68 M Measure functions summary table 2 Measure mode 18 Measuring pressure 27 temperature with RTDs 24 temperature with thermocouples 21 menus configu ration 14 0 Output device testing 51 Output terminals 8 p Parts list Percentage Error 41 Pressure Measurement 27 Sourcing 38 pressure modules compatibility 56 Pressure Modules Compatibility 56 Pressure modules available 56 Pressure modules zeroing 28 Pressure Switch Test 51 Pressure transmitter calibrating 47 P
15. to recall for later use low battery condition or a battery change does not jeopardize the stored settings Store a Setup To store a setup 1 Create the desired setup 2 Push 84 The right side of the display changes to show SAVE SETUP and SAVE DATA 3 Push Rito select SAVE SETUP Push or to select the desired memory location at the top of the LCD 5 Push to enter the setup Recall a Setup To recall a setup 1 Push E twice The right side of the display changes to show RECL SETUP and RECALL DATA Push 88 again to RECL SETUP Push to select the desired memory location at the top of the LCD Push YE to recall the setup from the proper memory location Multifunction Process Calibrator Storing and Recalling Data Storing and Recalling Data Up to 40 data samples can be stored in a nonvolatile memory to be recalled for later use A low battery condition or a battery change does not jeopardize the stored settings Storing Data To store measurement data use the following procedure refer to Figure 19 1 Take the desired measurement 2 Push 8 The right side of the display changes to show SAVE SETUP and SAVE DATA 3 Press to select SAVE DATA Push 85 again The open data point bottom right of the display flashes Use and 9 to change the data point location 1 8 Push 85 to store the measurement and return the unit to the measurement mode Figure
16. 19 shows a reading stored in memory location 3 data point 1 43 726 Users Manual Memory Locations Save Data Mode Indicator MEASURE 3 Data Point SAVE DATA SOURCE av em a bec46f eps Figure 19 SAVE DATA Menu Showing Measurement Memory Location 3 1 Recall Data To recall data 1 Push twice The right side of the display changes to show RECL SETUP and RECALL DATA 2 Push to highlight RECL DATA bottom right of the display Push FSE Push h to choose the desired memory location top of the display The data saved in that first memory location now appears There can be different measurements stored 1 5 for each memory location 1 8 44 5 Push n or to select the correct data location bottom right of display 6 Push to recall the data stored in that location 7 Push to return to the same RECALL DATA location to see the next saved measurement 2 of 5 for example Pulse Train Source Read Pulse Train Source Read counts input pulses or sources output pulses Use the configuration menus to set the frequency and output voltage Refer to Configuration Menus earlier in this manual The number of counts is set through the main display and cannot be changed while sourcing pulses works as a trigger stop key in this mode since ramping or stepping during a pulse train is not relevant Calibrating a Transmitter Use the measurement upper display and source l
17. FLUKE 726 Multifunction Process Calibrator Users Manual September 2005 O 2005 Fluke Corporation All rights reserved All product names are trademarks of their respective companies 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 extend a greater or different warranty on behalf of Fluke Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves the right to invoice Buyer for importation
18. RTD Pt100 Q 385 Resistance Pt100 Q 3926 Temperature Pt100 Q 3916 Detector Pt200 Q 385 Pt500 Q 385 Pt1000 Q 385 Ni120 672 CU10 Pressure 29 modules ranging from 1 0 in H O to 10 000 psi Pulse 1 100 000 1 10 000 Freqency Max 10 kHz Frequency Range 2 CPM to 10 kHz Other functions Loop supply HART resistor pressure switch test save screen step ramp memory cold junction compensation Standard Equipment If the Calibrator is damaged or something is missing contact the place of purchase immediately To order replacement parts see Table 8 The items listed below and shown in Figure 1 are included with the Calibrator TL75 test leads AC72 alligator clips Stackable alligator clip test leads 726 Product Overview not shown in Figure 1 725 726 CD ROM contains Users Manual not shown in Figure 1 4 AA Batteries installed Multifunction Process Calibrator Standard Equipment Safety Information The Calibrator is designed in accordance with CAN CSA C22 2 NO 61010 1 04 UL 61010 1 and ISA 82 02 01 AA Warning To avoid possible electric shock or personal injury use the Calibrator only as specified in this manual otherwise the protection provided by the Calibrator may be impaired A Warning identifies conditions and actions that pose hazard s to the user A Caution identifies conditions and actions that may damage the Calibrator or the equipment under test 726 Users Manual AA Warn
19. V lower display 0 000 20 000 0 010 2 mV 20 V Source 0 000 20 000 0 010 2 mV 100 mV Source 0 000 100 000 0 010 10 UV 90 mV Read 0 000 90 000 0 010 10 UV Maximum current output in voltage ranges is 1 mA with an output impedance of lt 1 Q DC mA Measurement and Source Ranae Accuracy g of Reading Floor mA Read Upper Display 0 000 24 000 0 010 2 pA mA Read Lower Display 0 000 24 000 0 010 2 uA Maximum load on mA source is 1 kN With the HART resistor on maximum load is 750 Q Voltage input range on simulate mode is 5 to 30 V 59 726 Users Manual Ohms Measurement Ohms Read low Inn 400 00 Accuracy of Reading Floor 0 015 0 05 Q Ohms Read high 401 0 4000 0 Ohms Source 0 015 0 5 Q Ohms Range Excitation Current from Accuracy 9 Measurement Device of Reading Floor Ohms Source low 400 0 0 1 to 0 5 mA 0 015 0 1 Q 0 015 0 05 Q Ohms Source high 1500 0 05 to 0 8 mA 0 015 0 5 Q 1500 4000 0 05 to 0 4 mA Unit is compatible with smart transmitters and PLCs Frequency response is lt 5 mS Frequency Measurement 0 015 0 5 Q Range Minimum Maximum of See Floor CPM Read 2 0 1000 0 0 05 0 1 CPM Hz Read 1 0 1000 0 0 05 0 1 Hz KHz Read 1 00 15 00 0 05 0 01 KHz 60 Multifunction Process Calibrator Specifications Frequency Source Range Minimum Maxi
20. 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 consequential 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 Table of Contents Title Page Introduction TTT Contacting BI Standard EoOuiIprment sss sees eee eee Safety Iss ens TT E Ile Getting Acquainted with the Calibrator Input and Output Terminal Ral UT Configuration Menus sese eee eee eee eee eee ee eee Contrast Adjustment sese eee ee eee Shut Down es T Celcius and Fahrenheit C and F Frequency Pulse Output Voltage ss sees eee ee eee Pulse Output Frequency asse eee eee eee eee ee eee 726 Users Manual HART Resistor ONIDER eege ENEE Getting Started ivccshenesiieee acs Held Adie eee neki ania Voltage to Voltage Test Using Measure Mode diem ni ee sn andes Measuring Elect
21. bec17f eps Figure 14 Connections for Simulating a 4 to 20 mA Transmitter 31 726 Users Manual 3 Press Vma for dc voltage or FRE for frequency and for resistance 4 Enter the desired output value by pressing and O keys Press hl and to select a different digit to To select an electrical sourcing function proceed as change follows 1 Connect the test leads as shown in Figure 15 depending on the source function 2 If necessary press tor SOURCE mode Sourcing Other Electrical Parameters Volts ohms and frequency are also sourced and shown in the lower display 32 Multifunction Process Calibrator Using Source Mode KAY 30V MAX ALL TERMINALS ZN RCE MEASURE MEASURE v v 3 D TC ma Hz S RTD LOOP m Ca Common HART 44 Communicator 4 MEASURE V v Hz el LOOP Common bec16f eps Figure 15 Electrical Sourcing Connections 33 726 Users Manual Simulating Thermocouples Connect the Calibrator TC input output to the instrument under test with the thermocouple wire and the appropriate thermocouple mini connector polarized thermocouple plug with flat in line blades spaced 7 9 mm 0 312 in center to center One pin is wider than the other 34 A Caution Do not try to force a miniplug into the wrong polarization Figure 16 shows this connection Proceed as follows to
22. d first 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 Multifunction Process Calibrator Safety Information e 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 e Use only 4 AA batteries properly installed in the Calibrator case to power the Calibrator e Disconnect test leads before changing to another measure or source function e When servicing the Calibrator use only specified replacement parts e To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator I appears e Turn off circuit power before connecting the Calibrator mA and COM terminals in the circuit Place Calibrator in series with the circuit e Do not allow water into the case ACaution To avoid possible damage to the Calibrator or to equipment under test e Disconnect the power and discharge all high voltage capacitors before testing resistance or continuity e Use the proper input jacks function and range for the measurement or sourcing application 726 Users Manual AC72 Alligator Clips Sy Y TL75 e l Test Lead Get x Y Oj T 4 See ER m ho Icom Te g bec01f eps
23. e 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 Contact your are selected This is prevented by displaying OL on the Fluke representative about new pressure modules not display per the following table listed here l e 7OOHTP 0 to 10 000 PSI Pump e 700PTP 11 6 to 360 PSI Pump e 700TC1 and 700TC2 Thermocouple Mini plug Kits Table 9 Fluke Pressure Module Compatibility Pressure Unit Module Compatibility Psi Available on all pressure ranges In HO All ranges through 3000 psi cm HO 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 56 Multifunction Process Calibrator Accessories Table 10 Pressure Modules 0 to HO Fluke 700P05 0 to 30 psi Fluke 700P09 0 to 1 500 psi 57 726 Users Manual Table 10 Pressure Modules cont 58 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 Range Accuracy 9 of Reading Floor 30 V upper display 0 000 30 000 0 010 2 mV 20
24. e In SOURCE mode the Calibrator e generates calibrated signals for testing and calibrating process instruments e supplies voltages currents frequencies and resistances e simulates the electrical output of RTD and thermocouple temperature sensors e 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 Y ma for current and enter the desired current by pressing 5 2 and 30 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 24 V loop power source as shown in Figure 14 If necessary press for SOURCE mode Press Vma until both mA and SIM display Enter the desired current by pressing S and b Multifunction Process Calibrator Using Source Mode MEASURE 0000 SOURCE 12000 ZERO Error 358conde OPEN CLOSE 2 EF 2 FREQ TC RTD PULSE HART EXIT CONFIG CONFIG SELECTION Land RECALL ENTER TRIGGER STOI Readout or Controller
25. e lower display 0 mA and 100 mA are fixed to 4 and 20 mA 0 and 100 for the lower display are set in source using 9 and 100 refer to Setting 0 and 100 Output Parameters Stepping and Ramping the Output Two additional features are available for adjusting the value of source functions e Stepping the output manually with the 42 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 41 726 Users Manual Manually Stepping the mA Output To manually step current output e Use 25 or 25 to step the current up or down in 25 steps e Touch either L to go to 0 or 19 to go to 100 Auto Ramping the Output Auto ramping can continuously apply a varying stimulus from the Calibrator to a transmitter while your hands remain free to test the response of the transmitter When mr is pressed the Calibrator produces a repeating 0 100 0 ramp in a choice of three ramp waveforms ZN 0 100 0 40 second smooth ramp e NM 0 100 0 15 second smooth ramp er 0 100 0 Stair step ramp in 25 steps pausing 5 seconds at each step Steps are listed in Table 7 42 To exit ramping press any button Table 7 mA Step Values Step leng O Storing and Recalling Setups Up to eight settings can be stored in a nonvolatile memory
26. essing and Press and to select a different digit to edit If the 726 display indicates Ex HI the excitation current from your device under test exceeds the limits of the 726 Multifunction Process Calibrator Using Source Mode FLUKE 726 Precision CALIBRATOR MEASURE SENSOR TERMINALS bec40f eps Figure 17 Connections for Simulating 3 and 4 Wire RTD 37 726 Users Manual Sourcing Pressure The Calibrator sources pressure by measuring pressure supplied by a pump or other sources and displaying 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 Many ranges and types of pressure modules are available from Fluke see Accessories Before using a pressure module read its instruction sheet The modules vary in use Attach the appropriate pressure module for the process media and accuracy pressure to be tested Proceed as follows to source pressure 38 A Warning 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 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 appr
27. hree RTD leads are matched Source Accuracy is based on 0 5 to 3 0 mA excitation current 0 1 mA for pt1000 range 63 726 Users Manual Loop Power Supply Voltage 24 V Maximum current 22 mA Short circuit protected Pulse Read and Pulse Source gt re m Source 10 000 1 Count 2 CPM to 10 kHz Read 100 000 000 Pressure Measurement Range Resolution Accuracy Units mode Determined by 5 digits Determined by psi inH20 4 C inH20 20 C kPa Pushing 2 for 3 seconds pressure module pressure module cm H20 4 C cmH20 20 C bar stores present pressure value mbar kg cm2 mmHg inHg as an offset and subtracts it from the displayed value 64 General Specifications Operating temperature Storage temperature Stability Operating altitude Relative Humidity RH operating without condensation Vibration Safety Power requirements Protection Class Size Weight Multifunction Process Calibrator Specifications 90 10 to 30 C 75 30 to 40 C 45 40 to 50 C 35 50 to 55 C uncontrolled lt 10 C Random 2 g 5 to 500 Hz EN50082 1 1992 and EN55022 1994 Class B Criteria A or B CSA C22 2 No 1010 1 1992 4 AA alkaline batteries Pollution Degree II 96 x 200 x 47 mm 3 75 x 7 9 x 1 86 in 650 gm 1 Ib 7 oz 65 726 Users Manual 66 Q 0 output parameter setting 41 1 100 output parameter setting 41 4 4
28. ifunction Process Calibrator Using Measure Mode OPEN CLOSE y ZERO s a Seconds V mA SWITCH H HART MAME Ez V mA FREQ SS 2 SOURCE TC RTD PULSE EXIT CONFIG CONFIG SELECTION RECALL a b m Figure 8 Connections for Supplying Loop Power bec18f eps 19 726 Users Manual Measuring Electrical Parameters Lower Display To measure electrical parameters using the lower display proceed as follows 1 Connect the Calibrator as shown in Figure 9 2 If necessary press for MEASURE mode lower display 3 Press Vma for de voltage or current FREG frequency and RTD Jfor resistance 20 for FLUKE 726 PRECISION CALIBRATOR MEASURE 0000 MEASURE 0000 ZERO t seconds OPEN CLOSE V mA SWITCH gt LOOP SN TEST 2 HART V mA Q FREQ TC RTD PULSE EXIT CONFIG 100 CONFIG SELECTION RECALL ENTER TRIGGER STO Figure 9 Measuring Electrical Parameters bec43f eps Measuring Temperature Using Thermocouples The Calibrator supports 13 standard thermocouples Table 5 summarizes the ranges and characteristics of each To measure temperature using a thermocouple 1 Select Celsius o
29. inals and connect the pump to the pressure switch The polarity of the terminals does not matter Make sure the vent on the pump is open and if necessary zero the Calibrator Close the vent after zeroing the Calibrator Press to enter switch test mode The upper display indicates the applied pressure CLOSE is displayed to the right of the pressure reading to indicate closed contacts Slowly apply pressure with the pump until the switch opens Note Pressure the device slowly to ensure accurate readings Run the test several times to confirm repeatability Multifunction Process Calibrator Pressure Switch Test OPEN displays once the switch is open Slowly bleed the pump until the pressure switch closes RECALL appears on the display 5 Press 118 to read the pressure values for when the switch opened for when it closed and for the deadband Hold msn for three seconds to restart the test Press 2 OR tons to exit the switch test Testing an Output Device Use the source functions to test and calibrate actuators recording and indicating devices Proceed as follows 1 2 Connect the test leads to the instrument under test as shown in Figure 23 Press Vma for current or de voltage or FREQ for frequency or resistance lower display If necessary press for SOURCE mode 51 726 Users Manual Oto 1 V de Input wy
30. ing 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 Before each use verify the Calibrator s operation by measuring a known voltage Follow all equipment safety procedures Use the proper terminals mode and range for the measuring or sourcing application Never touch the probe to a voltage source when the test leads are plugged into the current terminals Do not use the Calibrator if it is damaged Before using the Calibrator inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Select the proper function and range for the measurement Make sure the battery door is closed and latched before operating the Calibrator Remove test leads from the Calibrator before opening the battery door Inspect the test leads for damaged insulation or exposed metal Check test lead continuity Replace damaged test leads before using the Calibrator When using the probes keep your fingers away from the probe contacts Keep fingers behind the finger guards on the probes Connect the common test lead before connecting the live test lead When disconnecting the test leads disconnect the live test lea
31. ll but the 700PA3 module The maximum range of 700PA3 is 5 psi therefore the reference pressure must be applied with a vacuum pump 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 Press 2 REF Adjust appears to the right of the pressure reading 2 Use to increase or to decrease the Calibrator reading to equal the reference pressure 3 Press again to exit the 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 you use it Multifunction Process Calibrator Using Measure Mode Isolation Valve Gage Module FLUKE 726 PRECISION CALIBRATOR MEASURE iDO ie 7 0000 SOURCE agyr a Seconds muer F 1 too 2 bei ee Y ma FREQ PULSE FEN SCH Differential MPAAAAALAALA A N Module RECALL ENTER TRIGGER STOF AME Tank bec37f eps Figure 13 Connections for Measuring Pressure 29 726 Users Manual Using Source Mod
32. mum Accuracy CPM Source 2 0 1000 0 05 Hz Source 1 0 1000 0 0 05 KHz Source 1 0 10 00 0 25 9 10 00 15 00 0 50 Temperature Thermocouples me ae JL mn JL Zen A Accuracy Accuracy 0 0 a J 00 E 04 02 20 poa EC HE 00 ET 1000 EO e CJC error outside of 23 5 C is 0 05 C C 61 726 Users Manual NN AS Accuracy Accuracy EEE ERE zzz eS oo GE ts J 12 eo deo 1 at oo 10001 08 06 f k 10 C to 75 C 0 015 10 UV of Reading Floor 10 C to 75 C 0 015 10 pV of Reading Floor Maximum current output in voltage ranges is 1 mA with an output impedance of lt 1 Q 62 Multifunction Process Calibrator Specifications RTD Accuracy Read and Source ITS 90 Range Minimum Maximum Accuracy Ni120 672 80 00 260 00 0 15 200 00 100 00 0 15 Pt100 385 100 00 300 00 0 25 300 00 600 00 0 35 600 00 800 00 0 45 200 00 100 00 0 15 Pt100 3926 100 00 300 00 0 25 300 00 630 00 0 35 200 00 100 00 0 15 Pt100 3916 100 00 300 00 0 25 300 00 630 00 0 35 200 00 100 00 0 75 Pt200 385 100 00 300 00 0 85 300 00 630 00 0 95 200 00 100 00 0 35 Pt500 385 100 00 300 00 0 45 300 00 630 00 0 55 200 00 100 00 0 15 Pt1000 385 100 00 300 00 0 25 300 00 630 00 0 35 CU10 10 00 250 00 1 8 Notes Read Accuracy is based on 4 wire input For 3 wire input add 0 05 assuming all t
33. ompartment bec38f eps Figure 24 Replacing the Batteries 53 726 Users Manual Cleaning the Calibrator ACaution To avoid damaging the plastic lens and case do not use solvents or abrasive cleansers Clean the Calibrator and pressure modules with a soft cloth dampened with water or water and mild soap Service Center Calibration or Repair Calibration repairs or servicing not covered in this manual should be performed only by qualified service personnel If the Calibrator fails check the batteries first and replace them if needed To locate an authorized service center refer to Contacting Fluke at the beginning of the manual 54 Replacement Parts Table 8 lists the part number of each replaceable part Refer to Figure 25 Table 8 Replacement Parts hem Semer La fan 1 AAalkaline batteries 376756 4 2 Case screws 832246 4 Battery door 1 4 turn 948609 2 fasteners s ei Test lead black 688066 1 Fi ET Manual AC72 alligator clip red AC72 alligator clip black 1670652 1 contains User Manual Maintenance Multifunction Process Calibrator Figure 25 Replacement Parts 55 726 Users Manual Accessories External Fluke Pressure Module Compatibility For more information about these accessories contact 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 produc
34. opriate torque between the pressure module fitting and connecting fittings or adapters Never apply pressure above the rated maximum printed on the pressure module Use the pressure module only with specified materials Refer to the printing on the pressure module or the pressure module instruction sheet for the acceptable material compatibility Multifunction Process Calibrator Using Source Mode Connect a pressure module to the Calibrator as 3 Zero the pressure module as described in the shown in Figure 18 The threads on the pressure moduless Instruction Sheet Modules vary in zeroing modules accept standard 4 NPT pipe fittings Use procedures depending on module type the supplied NPT to ISO adapter if necessary 4 Pressurize the pressure line with the pressure Press lower display The Calibrator source to the desired level as shown on the display automatically senses which pressure module is attached and sets its range accordingly If desired continue pressing S to change pressure display units to psi mmHg inHg cmH 0 04 C cmH 0220 C inH 004 C inH 0 020 C inH O O 60 C mbar bar kg cm or kPa 39 726 Users Manual Hand Pump Measure mA N Source Pressure 1 24 V Loop Power Enabled ZERO Error Second OPEN CLOSE V mA SwrrcH Loop amp TEST
35. ower display modes to calibrate a transmitter This section applies to all but pressure transmitters The following example shows how to calibrate a temperature transmitter Use the following steps to calibrate a transmitter 1 Connect the Calibrator to the instrument under test as shown in Figure 20 Press for current upper display If required press again to activate loop power Press L Tre lower display If desired continue pressing this key to select the desired thermocouple type a Multifunction Process Calibrator Calibrating a Transmitter If necessary press for SOURCE mode Set the zero and span parameters by pressing and Enter these parameters by pressing and holding and 100 For more information on setting parameters see Setting 0 and 100 Output Parameters Perform test checks at 0 25 50 75 100 points by pressing or 72 Adjust the transmitter as necessary Note When HART resistor mode is selected the 250 Q resistor is turned on both mA channels 45 726 Users Manual FLUKE 726 PRECISION CALIBRATOR MEASURE LOOP Error ds OPEN CLOSE V mA SWITCH Loop TEST HART V mA 2 FREG CONFIG SELECTION ENTER 4 Communicator l l ai HART c l bec44f eps
36. r Fahrenheit depending on the desired measurement Refer to Configuration Menus for more information 2 Attach the thermocouple leads to the appropriate TC miniplug then to the TC input output as shown in Figure 10 Multifunction Process Calibrator Using Measure Mode A Caution One pin is wider than the other Do not try to force a miniplug into 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 3 If necessary press for MEASURE mode Press L Te for the thermocouple display Continue pressing this key to select the desired thermocouple type B 21 726 Users Manual 22 Table 5 Thermocouple Types Accepted Positive Lead H Positive Lead Color Negative Lead Specified Range Material ANSI lEC Material C Orange Platinum 10 Rhodium Orange 20 to 1750 Tungsten 5 Rhenium None Tungsten 26 Rhenium 0 to 2316 GOST 90 5 Ni 9 5 Cr 56 Cu 44 Ni 200 to 800 Violet or Black 95 W 5 Re 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 Multifunction Process Calibrator Using Measure Mode SOURCE MEASURE iz TD com ect
37. rical Parameters Upper Display sese ee eee eee eee Current Measurement with Loop Power Measuring Electrical Parameters Lower Display see ee ee eee eee eee Measuring Temperature sssrin a aa Eat Using TherMocouples ooooccconnnnccnnnnccccnnonnncnnnnnnncnnnrncrnnnr creian Using Resistance Temperature Detectors RTDs PRT Custom Curve sees sese eee Measuring GE Zeroing with Absolute Pressure Modules AAA Using Source Mode et penis eat Sourcing 4 tO 20 mA Simulating a 4 to 20 MA Transmitter Sourcing Other Electrical Parameters see eee eee Simulating Ria EE Simulating RTDS sreervrnnnnrnnrvrnnnnrnnnvrnnnnrnenvrnnenrnnsnrnnenvnsnnrnsennnsnnrnnsnvnsenresenvenenensenresenen Sourcing Pressure iii dr desk Setting 0 and 100 Output Parameters eee eee ee eee eee Error Functionality EE Stepping and Ramping the Output Manually Stepping the mA Output Auto Ramping the Output Storing and Recalling Setups cnoic renie arua E 2925 EEN Store TTT STT arica ii Contents continued Storing and Recalling Data Storing Data EE Recall Data EEE EE SEEEEEn Pulse Train Soutceibeagd ege Cvt dE EEN paste teres Calibrating a Transmitter Calibrating a Pressure Transmitter Calibrating an UP Device A Pressure Switch TOS tirita negra Testing an Output Device sse sese eee ee eee eee Remote Control Commande AAA HARTA Functionality cocinada pt linde Maintenance ccoo cada Replacing the Batteres AAA Cleaning the Calibrator e
38. rized thermocouple plug with flat in line blades spaced 7 9 mm 0 312 in center to center 5 6 SOURCE MEASURE V Terminals for sourcing or measuring voltage resistance pulse frequency and RTD Pulse Hz Q terminals RTDs 7 SOURCE MEASURE mA Terminals for sourcing and measuring current and performing 3 W and 4 W RTD k terminals 3W 4W measurements HART resistor option in mA mode 726 Users Manual Keys Figure 3 shows the Calibrator keys and Table 4 explains their use bec41f eps Figure 3 Keys 10 Multifunction Process Calibrator Getting Acquainted with the Calibrator Table 4 Key Functions mpe men O O 1a Turns the power on or off Error KA Toggles voltage mA or Loop Power and Error measurement functions in the upper display LOOP SS Selects the pressure measurement function in the upper display Repeated pushes cycle through the 2 different pressure units Zeros pressure when held for 3 seconds OPEN CLOSE E bes Activates the switch test Turns backlight on or off FREQ Selects frequency sourcing or measurement PULSE Selects pulse sourcing or measurement Recalls a source value from memory corresponding to 100 of span and sets it as the source value EXIT CONFIG 30054 Press and hold to store the source value as the 100 value o
39. simulate a thermocouple 1 Attach the thermocouple leads to the appropriate TC miniplug then to the TC input output as shown in Figure 16 If necessary press for SOURCE mode Press 79 for the TC display If desired continue pressing this key to select the desired thermocouple type 4 Enter the temperature you want by pressing and O keys Press hl and to select a different digit to edit Multifunction Process Calibrator Using Source Mode OTESTDCPWR O Color depends galle E S on type of TC NN ma 2 Fa RTD PULSE EXIT CONFIG CONFIG SELECTION 00 A 25 RECALL ENTER y 25 TRIGGER STO AMS Retum t ge tetum to Recall E oJ TC Miniplug bec20f eps Figure 16 Connections for Simulating a Thermocouple 35 726 Users Manual Simulating RTDs Connect the Calibrator to the instrument under test as shown in Figure 17 Proceed as follows to simulate an RTD 1 2 36 If necessary press for SOURCE mode Press LPT 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 Enter the desired temperature by pr
40. steps explain how to calibrate a device that controls pressure Proceed as follows 1 Connect the test leads to the instrument under test as shown in Figure 22 The connections simulate a current to pressure transmitter and measures the corresponding output pressure 2 Press upper display gt Multifunction Process Calibrator Calibrating an I P Device Press Vma for sourcing current lower display If necessary press for SOURCE mode Enter the desired current by pressing and amp Press hl and Q to select different digits 49 726 Users Manual aSeconds OPEN CLOSE SWITCH TEST FREQ PULSE Come SELECTION RECALL ENTER TRIGGER STOF AMF CJ EXIT CONFIG 100 a 25 w 25 50 Measure Pressure Source mA Pressure Module Red I HART Communicator Figure 22 Calibrating a Current to Pressure I P Transmitter bec28f eps Pressure Switch Test Note This example uses a normally closed switch The procedure is the same for an open switch but the display reads OPEN instead of CLOSE To perform a switch test 1 Connect the Calibrator mA and COM terminals to the switch using the pressure switch term
41. t1000 385 1000 Q 0 00385 Q C 200 to 630 Pt100 3916 100 Q 0 003916 Q C 200 to 630 The IEC standard RTD commonly used in U S industrial applications is the Pt100 385 a 0 00385 Q C Pt100 3916 a 0 003916 Q C is also designated as JIS curve Custom RTDs may also be added see PRT Custom Curves 25 726 Users Manual MEASURE v v a a RTD LOOP 5 P COM 30V MAYA SOURCE MEASUg ma bec15f eps Figure 11 Measuring Temperature with an RTD Measuring 2 3 and 4 Wire Resistance 26 Measuring Pressure Many ranges and types of pressure modules are available from Fluke see Accessories 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 and proceed as follows A Warning 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 Multifunction Process Calibrator Using Measure Mode Gage Differential High gj11f eps Figure 12 Gage and Differential Pressure Modules ACaution To
42. ulse Train Source Read 44 R ramping 41 Recalling setups 42 43 Remote control commands 52 Repair 54 Resistance Temperature Detectors accepted types table 25 RTD simulating 36 RTD measuring 24 types 24 S Safety information Saving Measurements 43 Servicing 54 Setup Recall recalling storing 42 43 shut down mode Thermocouple Simulating loop power 30 RTD 36 thermocouples 34 Source functions summary table Source mode 30 Sourcing 4 to 20 mA 30 electrical parameters 32 sucia thermocouples Specifications Standard eq uipment 3 stepping TZ Stepping output Storing setups symbols 7 Temperature measuring with RTD 24 measuring with thermocouple 21 Terminals input 8 output 8 Thermocouple measuring 21 measuring temperature 21 sourcing types thermocouples accepted types 22 Transmitter 4 to 20 mA simulating Transmitter calibrating V voltage to voltage test Z Zeroing pressure modules 28 Index continued 69 726 Users Manual 70
43. urcing function in lower display Repeated pushes cycle through the RTD types Selects resistance mode Selects the pressure measurement and sourcing function Repeated pushes cycle through the different pressure units 12 Display Multifunction Process Calibrator Getting Acquainted with the Calibrator Figure 4 shows the elements of a typical display Low Battery Mode er A MEASURE LOOP 12345678 HART desto lt B0565 ABE 7 EBBBB8B Loop Memory Locations HART Mode Indicator for Calibrator Setups Indicator SOURCEMEASURE AUTOA MF Ramp Figure 4 Elements of a Typical Display Units Display bec07f eps 13 726 Users Manual Configuration Menus Use the configuration menus to set or change these parameters of the Calibrator e Contrast Adjustment e Shut Down Mode e CJC on off e CPF e Frequency Pulse output voltage e Pulse output frequency e HART resistor on off To enter the configuration menus press m Press ENE to save new configuration Press 100 EXIT CONFIG to exit configuration Configuration menus are explained below Contrast Adjustment To adjust the contrast see Figure 5 1 Press h m until Contst Adjust appears on the display 2 Use and to adjust the contrast up and down 3 Press to save the setting 14 FLUKE 726 PRECISION CALIBRATOR MEASURE LOOP 12345678 88888 SOURCEMEASURE AUTOA Mr
44. x muiden atea Service Center Calibration or Repair eee ee eee eee Replacement Parts ciocie ich ee el daw ae eee he PA CCOSSOMES drake a dende de LOSH AE ESA External Fluke Pressure Module Compatibility Specification eee DC Voltage Measurement and Source eee eee eee eee eee DC mA Measurement and Source sse eee ee eee ee eee Ohms Measurement cummins iii Ohms ele Frequency Measurement essere sseee esec essere esec e esec essere eser enen Frequency Source sse ee eee eee eee eee Temperature Thermocouples ssssssee essere esec e esec esse cesse essere ener RTD Accuracy Read and Source ITS 90 rrnrrnnnvvnenvrnnnvenenvrnnnnrnrrvrnnnnnnrrvrnnrnreren iii 726 Users Manual Loop Power Supply Pulse Read and Pulse Gource mesnsrrrnine n e a A aE E Ea E TaS Pressure Measurement eee e eee General Specifications iii navnene det etek eb kes dannede List of Tables Table Title 1 Summary of Source and Measure Functions sees eee eee eee 2 International Symbole AA 3 Input Output Terminals and Conpnechors sese eee eee eee ee eee ee cnn aran rana 4 Key Tele TT 5 Thermocouple Types Accepted ssssseessee esse esse e sees neee D RTD Types ee ee T 7 MA Step Values iuris heade Rares 8 Replacement Parts rrnnnnnvnnnnnnvnnnnnnvnrnnnnnnnnnnnvnnnnnnnvnennvnnnnnnvnnenennnnnnensnnnnnnnvnvnnenennnnensvnvennnnn 9 Fluke Pressure Module Compatibility sese eee eee ee eee ee eee ee 10 Pressure le TEE 726 Users Manual
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