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Fluke 721-1601 Calibration Manual Download Page 1

 

January 2014 

© 2014 Fluke Corporation. All rights reserved. Specifications are subject to change without notice. 
All product names are trademarks of their respective companies. 

721 

Pressure Calibrator 

 
 
 

Calibration Manual 

 

Summary of Contents for 721-1601

Page 1: ...2014 2014 Fluke Corporation All rights reserved Specifications are subject to change without notice All product names are trademarks of their respective companies 721 Pressure Calibrator Calibration...

Page 2: ...r 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...

Page 3: ...cation Tests 6 Pressure Verification 7 DC Voltage Measure Verification 9 DC Current Measure Verification 10 RTD Measure Verification 10 720RTD Probe Verification 11 mA Loop Performance Check 11 Calibr...

Page 4: ...721 Calibration Manual ii...

Page 5: ...fication and Calibration 6 3 Pressure Verification Tests 7 4 DC Voltage Measure Verification Tests 9 5 DC Current Measure Verification Tests 10 6 RTD Measure Verification Tests 10 7 720RTD Probe Verif...

Page 6: ...721 Calibration Manual iv...

Page 7: ...v List of Figures Figure Title Page 1 Battery Replacement 17 2 User Replaceable Parts 20...

Page 8: ...721 Calibration Manual vi...

Page 9: ...ion options that include absolute and differential pressure measurement Contact Fluke To contact Fluke call one of the following telephone numbers Technical Support USA 1 800 44 FLUKE 1 800 443 5853 C...

Page 10: ...r 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 individual component of a Product probe o...

Page 11: ...or in this manual are shown in Table 1 Table 1 Symbols Symbol Description Symbol Description Risk of Danger Important information See Manual Conforms to relevant North American Safety Standards Hazar...

Page 12: ...V dc Measure 0 to 30 V dc 0 001 V 0 015 of rdg 0 002 V 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 0 1 C 0 2 F 0 25 C 0 45 F combined uncertainty when usi...

Page 13: ...1 psi 0 01 bar 0 035 of full scale 721 3601 36 PSIG 100 PSIG 14 psi 36 psi 0 97 bar to 2 48 bar 12 psi to 100 psi 0 83 bar to 6 9 bar 0 001 psi 0 0001 bar 0 025 of full scale 721 3603 36 PSIG 300 PSI...

Page 14: ...0xi Piston Gauge 3000 PSI to 5000 PSI 0 005 Fluke Calibration PG7302 or PG7202 Metrology Well 30 C to 140 C 0 06 C Fluke Calibration 9170 Performance Verification Tests Warning To prevent possible ele...

Page 15: ...pressure port 5 Connect and test the second pressure port 6 Set up the deadweight tester for the sequence of PSI inputs from Table 3 to be injected into the pressure port of the Product 7 Ensure the...

Page 16: ...1000 PSI Input Pressure Lower Limit Upper Limit Input Pressure Lower Limit Upper Limit 500 00 499 87 500 13 1000 0 999 75 1000 25 400 00 399 87 400 13 800 0 799 75 800 25 300 00 299 87 300 13 600 0 5...

Page 17: ...oltage measure verification test 1 Push repeatedly until VOLTS is shown on the third row of the Product display 2 Connect the Product red banana jack V mA to the Calibrator HI VOLTS output 3 Connect t...

Page 18: ...4 mA 24 006 mA 5 Set the Calibrator to Standby RTD Measure Verification 1 Push repeatedly until RTD is shown in the third row of the Product display 2 Connect the RTD Adapter to the Product 3 Connect...

Page 19: ...lerance Table 7 720RTD Probe Verification Tests Applied Temperature Lower Limit Upper Limit 30 00 C 30 25 C 29 75 C 0 00 C 0 25 C 0 25 C 70 00 C 69 75 C 70 25 C 130 00 C 129 75 C 130 25 C 5 Set the Me...

Page 20: ...o the 5 pin Lemo on the side of the Product Connect the other end of the cable to the terminal PC serial port The terminal settings need to be set as follows Bits per second 9600 Data bits 8 Parity No...

Page 21: ...put 30 V 6 When the reading is stable send this command CAL_POINT 0 1 7 The voltage range is now calibrated Adjust mA Input To adjust the mA input 1 Use the test lead set to attach the voltage output...

Page 22: ...ense jacks of the RTD Adapter to the high side of the sense output of the Resistance Standard 5 Connect the low side of the sense jacks of the RTD Adapter sense input to the low side of the sense outp...

Page 23: ...lue returned 4 Use the Pressure Standard to input a value equal or close to the noted value 5 When the pressure is stable send the OFFSET_ADJ n command where n is the entered pressure 6 Send the GAIN_...

Page 24: ...amage the Product Replace the batteries when the low battery indicator shows to prevent incorrect measurements Be sure that the battery polarity is correct to prevent battery leakage Repair the Produc...

Page 25: ...Pressure Calibrator Maintenance 17 hmq061 eps Figure 1 Battery Replacement...

Page 26: ...ion Qty Part Number Case Top Assembly For 721 1 4409796 Fluke 721 Lens 721 1 4364743 Screw 5 20k 312 Ph Threaded 4 494641 Fluke 7xx Display Module 1 4404450 Fluke 721 Keypad 1 4364568 Conn Panel Mount...

Page 27: ...00bar 1 4374301 Not Shown Fluke 721 Decal Rear Serial Number Plate 1 4364755 Not Shown Tie Cable 4 1 172080 See www fluke com for more information about the test leads and alligator clips available fo...

Page 28: ...721 Calibration Manual 20 1 6 11 13 3 5 2 4 10 9 12 8 7 14 15 hmq101 eps Figure 2 User Replaceable Parts...

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