Fluke 721Ex User Manual Download Page 4

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721Ex

Users Manual

%ERROR .................................................................................................................. 15

MINMAX ................................................................................................................... 18

SET UNITS ............................................................................................................... 19

CONTRAST .............................................................................................................. 20

Lock and Unlock Configurations (CFG) .................................................................... 20

AUTO OFF ................................................................................................................ 21

RESOLUTION ........................................................................................................... 22

PROBE TYPE ........................................................................................................... 22

DAMP ....................................................................................................................... 24

Measure Pressure ......................................................................................................... 25

Media Compatibility ....................................................................................................... 25

Measurements ............................................................................................................... 26

Transmitter Calibration .................................................................................................. 27

mA Input Function ..................................................................................................... 27

Pressure-to-Current Transmitter Calibration ............................................................. 27

Ranges and Resolution ............................................................................................. 29

Maintenance .................................................................................................................. 30

Replace the Batteries ................................................................................................ 30

Clean the Product ..................................................................................................... 31

User-Replaceable Parts and Accessories ..................................................................... 32

Specifications ................................................................................................................ 34

Environmental ........................................................................................................... 34

Electrical and Temperature Measurement (1 year) ................................................... 34

Physical .................................................................................................................... 35

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Summary of Contents for 721Ex

Page 1: ...reserved Specifications are subject to change without notice All product names are trademarks of their respective companies 721Ex Pressure Calibrator Users Manual www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ...luke authorized service center to obtain return authorization information then send the product to that Service Center with a description of the problem THIS WARRANTY IS YOUR ONLY REMEDY NO OTHER WARRANTIES SUCH AS FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSED OR IMPLIED FLUKE IS NOT LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM ANY CAUSE OR THEORY Sin...

Page 3: ...Hazardous Areas 4 Measuring Pressure 4 Symbols 5 Standard Equipment 6 Product Features 6 Display 9 Language Selection 11 Home Menu Functionality 11 Backlight Use 11 Zero Function 11 Menus 12 SWITCHTEST 12 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 4: ...s 26 Transmitter Calibration 27 mA Input Function 27 Pressure to Current Transmitter Calibration 27 Ranges and Resolution 29 Maintenance 30 Replace the Batteries 30 Clean the Product 31 User Replaceable Parts and Accessories 32 Specifications 34 Environmental 34 Electrical and Temperature Measurement 1 year 34 Physical 35 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSup...

Page 5: ... 1 Symbols 5 2 Product Features 8 3 Display Functions 10 4 Ranges and Resolutions 29 5 Approved Batteries 30 6 User Replaceable Parts and Accessories 32 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 6: ...721Ex Users Manual iv www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 7: ...4 Percent Error Function Connection 16 5 Temperature Measurement with RTD Probe 24 6 Measure Current 26 7 Pressure to Current Transmitter Connections 28 8 Battery Replacement 31 9 User Replaceable Parts and Accessories 33 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 8: ...721Ex Users Manual vi www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 9: ...The two internal pressure sensors are configured with different pressure measurement ranges One range for lower pressure P1 and one range for higher pressure P2 The Product features inputs for mA switch contacts and an RTD probe www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 10: ...tified to operate Use the correct terminals function and range for measurements Do not apply more than the rated voltage between the terminals or between each terminal and earth ground Do not touch voltages 30 V ac rms 42 V ac peak or 60 V dc Remove all probes test leads and accessories before the battery door is opened Do not exceed the Measurement Category CAT rating of the lowest rated individu...

Page 11: ... on gauge range sensors Push the ZERO button to zero the pressure sensor when vented to atmospheric pressure Check entity parameters before making any connections to this Product Remove the batteries if the Product is not used for an extended period of time or if stored in temperatures that exceed the battery manufacturer s specifications If the batteries are not removed battery leakage can damage...

Page 12: ...ition capable arc as long as the entity parameters are suitably matched Warning To prevent possible personal injury check entity parameters before making any connections to this device Measuring Pressure Warning For safe operation and maintenance of the Product Refer to the table of ranges and resolutions at the back of the manual for information about overpressure and burst pressure ratings Press...

Page 13: ...s Conforms to ATEX requirements This product complies with the WEEE Directive 2002 96 EC marking requirements The affixed label indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE Directive Annex I this product is classed as category 9 Monitoring and Control Instrumentation product Do ...

Page 14: ...oduct Manuals CD Getting Started Manual Quick Reference Guide Test leads Carry case Calibration certificate Product Features Figure 1 and Table 2 shows the location of the buttons pressure controls connection ports and electrical inputs www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 15: ...Pressure Calibrator Product Features 7 F1 F2 F3 ZERO 1 2 3 4 5 6 8 7 9 10 11 hvf001 eps Figure 1 Product Interface www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 16: ...splay Zero button Zeros pressure measurements Backlight button Push to turn the backlight on or off COMMON input Input terminals to measure current and a contact closer for switch test Low pressure port P1 High pressure port P2 RTD probe connector Firmware programming connector for factory use only Battery door www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 17: ...See the Zero Function Use section for more about zeroing the pressure sensor displays It is recommended that pressure ranges be zeroed each time the Product is started Display The display has two main regions The menu bar located at the bottom of the screen is used with the function buttons to access the Product menu The main display has a maximum of three process measurement sub regions These sub...

Page 18: ...ameters Shows what is being measured Span Indicator Shows the percent of the 4 mA to 20 mA span For mA functions only Pressure Units Shows one of 17 pressure units available for display Units Shows the unit of measure for the display www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 19: ...language is chosen Home Menu Functionality There are three options for the Home Menu P1 P2 mA RTD MENU These options are shown across the bottom of the display From anywhere within the menu structure push to get back to the Home Menu Backlight Use Push to toggle on and off the backlight Zero Function In pressure mode and when the pressure is within the zero limit The Product zeros pressure on any ...

Page 20: ...he menu to toggle through each parameter of an active menu The individual menus are explained in the subsequent sections SWITCHTEST To access the SWITCHTEST menu push SWITCHTEST is shown on the menu bar Connect a pressure switch to the Product as shown in Figure 3 For all connections in this manual Warning To prevent possible electrical shock fire or personal injury check entity parameters before ...

Page 21: ...pressure switch 3 Make sure the vent on the pump is open 4 Push to select P1 or P2 depending on how the Product is connected 5 Zero the Product if necessary 6 Close the vent after the Product is zeroed 7 If connected to a normally closed switch the top of the display will read CLOSE 8 Slowly apply pressure with the pump until the switch opens Note In the SWITCHTEST mode the display update rate is ...

Page 22: ...n Bleed the pump slowly until the pressure switch closes hix043 eps At the top of the display it will now read SW OPENED AT and show the pressure at which the switch opened hix044 eps www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 23: ...Push to end the test and return to the main menu ERROR The Product features a unique function which can calculate pressure vs milliamp error as a percentage of the 4 mA 20 mA loop span The ERROR mode uses all three screens and has a unique menu structure It simultaneously shows pressure mA and percent error See Figure 4 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSuppl...

Page 24: ...721Ex Users Manual 16 F1 F2 F3 ZERO External Loop Supply hvf019 eps Figure 4 Percent Error Function Connection www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 25: ...ERROR function 1 Push to access the menus 2 Push to step through the menu until ERROR is shown on the menu bar 3 Push to open the ERROR screen 4 Push to scroll through the port choices P1 or P2 5 Push to configure the pressure range settings 6 Use the arrow keys to set the 100 point of the desired pressure range select DONE SET when finished 7 Use the arrow keys to set 0 point and select DONE SET ...

Page 26: ... toggle the display through the min and max values that are stored in the min max registers These readings are live so that the new min max values will be recorded while in this mode hix055 eps hix056 eps To reset the min max registers push for CLEAR These registers are also cleared at power up or when the configuration is changed Push to exit MIN MAX and see live measurements www GlobalTestSupply...

Page 27: ...ss the menus 2 Push to step through the menu until SET UNITS is shown on the menu bar 3 Push to select the necessary unit The choices are inHg 0 C mmHg 0 C kg cm2 mmH2O 4 C mmH2O 20 C ftH2O 60 F psi inH2O 4 C inH2O 20 C inH2O 60 F cmH2O 4 C cmH2O 20 C bar mbar MPa kPa www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 28: ...y to adjust the display contrast to the necessary level Push to finish the adjustment and go home as shown below hix025 eps Lock and Unlock Configurations CFG Use the LOCK CFG or UNLOCK CFG options of the Configuration Lock Menu CONFIG shown below to lock or unlock the display configuration hix026 eps When the LOCK CFG option is pushed the menu display goes home and the menu configuration option o...

Page 29: ...function can also be disabled To set the auto off parameters 1 Push to access the menus 2 Push to step through the menu until AUTO OFF is shown on the menu bar 3 Push on the Auto Off Main Menu shown below hix031 eps 4 Push or to select the number of minutes before the Product turns off or scroll down to 0 to disable Auto Off as shown below hix032 eps 5 Push to set the parameters and go to the main...

Page 30: ...nu 4 Push or to turn low resolution on or off 5 Push when finished hmq062 eps PROBE TYPE To select an external RTD probe for use with the Product 1 Push to access the menus 2 Push to step through the menu until PROBE is shown on the menu bar hix035 eps 3 Push on to select the Probe type The probe choices are P100 385 P100 392 P100 JIS www GlobalTestSupply com Find Quality Products Online at sales ...

Page 31: ... a inch diameter stainless steel sheath See Figure 5 Note The factory default type is PT100 385 so if the Product is used with the Fluke 720 RTD Probe pn 4366669 it is not necessary to set the probe type Connect the probe to the Product and configure the display to read temperature The display shows OL when the measured temperature is outside the nominal measurement range of the RTD function below...

Page 32: ...g average from ten measurements The Product makes approximately three indications per second To use the Damping function 1 Push to access the menus 2 Push to step through the menu until DAMP is shown on the menu bar 3 Push to select the DAMP menu 4 Push or to turn on or off the DAMP function 5 Push when finished hmq064 eps www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSu...

Page 33: ...ately to prevent Product damage or possible personnel injury OL is shown when the pressure exceeds 110 of the nominal range of the sensor or when a vacuum in excess of 2 PSI is applied on gauge range sensors Push Z to zero the pressure sensor when vented to atmospheric pressure Note To ensure accuracy of the Product the Product must be zeroed before a device is calibrated See the Zero Function Use...

Page 34: ...the RTD connector and an RTD probe to measure temperature From the main menu push to select mA or RTD This function will only work on the LOWER screen Note The display shows OL when the measured current is more than the nominal range of current measurement 24 mA F1 F2 F3 ZERO 4 to 20mA Device Under Test hvf011 eps Figure 6 Measure Current www GlobalTestSupply com Find Quality Products Online at sa...

Page 35: ...e read by the Product hvf047 eps Pressure to Current Transmitter Calibration To calibrate a pressure to current transmitter P I 1 Connect the Product and the pump to the transmitter See Figure 7 2 Apply pressure with the pump 3 Measure the current output of the transmitter 4 Ensure the reading is correct If not adjust the transmitter as necessary Note Use low volume tubing when possible www Global...

Page 36: ...21Ex Users Manual 28 F1 F2 F3 ZERO External Loop Supply hvf018 eps Figure 7 Pressure to Current Transmitter Connections www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 37: ...1 7 0307 21 092 35 153 70 307 105 46 210 92 351 53 cmH20 4 C 70 3089 1124 9 2531 1 7030 9 21093 35154 70309 N A N A N A cmH20 20 C 70 4336 1126 9 2535 6 7043 4 21130 35217 70434 N A N A N A mmH20 4 C 703 089 11249 25311 70309 N A N A N A N A N A N A mmH20 20 C 704 336 11269 25356 70434 N A N A N A N A N A N A inH20 4 C 27 68067 442 89 996 50 2768 1 8304 2 13840 27681 41521 83042 N A inH20 20 C 27 ...

Page 38: ...roduct before use if the battery leaks The battery door must be closed and locked before you operate the Product Only change batteries in an area known to be non hazardous To change the batteries see Figure 8 1 Turn off the Product 2 Turn the Product so that the display is down 3 With a flat head screwdriver remove the battery door screw 4 Replace the four AA batteries with new batteries Make sure...

Page 39: ... Product Caution To avoid damaged to the Product Do not use solvents or abrasive cleansers Do not allow water into the case Clean the Product with a soft cloth dampened with water or water and mild soap www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 40: ...X Probe Cap Red 3986579 TL7X Probe Cap Black 3986568 TPAK80 4 2002 Magnet Strap 669952 TPAK80 4 8001 Strap 9 inches 669960 Item Description Part Number AA Alkaline Batteries 376756 Safety Sheet 4561164 Quick Reference Guide 4561158 Users Manual CD 4561173 Not Shown Rubber Feet 4364579 Not Shown Fluke 720RTD Probe for 721 and 719Pro 4366669 Not Shown Test Lead Set Variable 1 Not Shown Alligator Cli...

Page 41: ...Calibrator User Replaceable Parts and Accessories 33 1 3 2 5 4 6 7 8 hvf065 eps Figure 9 User Replaceable Parts and Accessories www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 42: ...ries 4 AA batteries alkaline Battery Life 35 hours typical usage Electrical and Temperature Measurement 1 year Function Range Resolution Accuracy mA Measure 0 to 24 mA 0 001 mA 0 015 of rdg 0 002 mA Temperature measure RTD Ohms 40 C to 150 C 40 F to 302 F 0 01 C 0 01 F 0 015 of rdg 0 02 Ω 0 1 C 0 2 F 0 25 C 0 45 F combined uncertainty when using 720 RTD probe accessory Temperature measurement requ...

Page 43: ...0 539 kg 1 lb 3 oz Ingress Protection IEC 60529 IP40 Connectors Ports Pressure Two 1 8 in NPT RTD RTD probe Temperature Effect all functions No effect on accuracy on all functions from 15 C to 35 C Add 0 002 Full Scale C for temps outside of 15 C to 35 C www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 44: ... 1603 16 PSIG 300 PSIG 12 psi to 300 psi 0 83 bar to 20 bar 0 01 psi 0 001 bar 721Ex 1605 16 PSIG 500 PSIG 12 psi to 500 psi 0 83 bar to 34 5 bar 0 01 psi 0 001 bar 721Ex 1610 16 PSIG 1000 PSIG 0 psi to 1000 psi 0 00 bar to 69 bar 0 1 psi 0 001 bar 721Ex 1615 16 PSIG 1500 PSIG 0 psi to 1500 psi 0 00 bar to 103 4 bar 0 1 psi 0 001 bar 721Ex 1630 16 PSIG 3000 PSIG 0 psi to 3000 psi 0 00 bar to 200 b...

Page 45: ...ale 721Ex 3603 36 PSIG 300 PSIG 12 psi to 300 psi 0 83 bar to 20 bar 0 01 psi 0 001 bar 721Ex 3605 36 PSIG 500 PSIG 12 psi to 500 psi 0 83 bar to 34 5 bar 0 01 psi 0 001 bar 721Ex 3610 36 PSIG 1000 PSIG 0 psi to 1000 psi 0 00 bar to 69 bar 0 1 psi 0 001 bar 721Ex 3615 36 PSIG 1500 PSIG 0 psi to 1500 psi 0 00 bar to 103 4 bar 0 1 psi 0 01 bar 721Ex 3630 36 PSIG 3000 PSIG 0 psi to 3000 psi 0 00 bar ...

Page 46: ...47 CFR 15 subpart B this product is considered an exempt device per clause 15 103 Applies to use in Korea only Class A Equipment Industrial Broadcasting Communication Equipment 1 1 This product meets requirements for industrial Class A electromagnetic wave equipment and the seller or user should take notice of it This equipment is intended for use in business environments and is not to be used in ...

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