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Fluke 721 Precision Pressure Calibrator

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Price: From $2,629.99 to $2,799.99
Manufacturer: FLUKE

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Model Options:
Low Pressure Sensor:
High Pressure Range:

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Accessories

Fluke 721 Precision Pressure Calibrator



The ideal tool for gas custody transfer applications is the Fluke 721 Precision Pressure Calibrator. With dual isolated pressure sensors, it allows you to take simultaneous static and differential pressure measurements with a single tool. The 721 can be configured by selecting either a 16 PSI (1.1 bar) or 36 PSI (2.48 bar) low pressure sensor then add any of 7 high pressure ranges including 100, 300, 500, 1000, 1500, 3000, or 5000 psi (6.9, 20, 24.5, 69, 103.4, 200, 345 bar). 
  • Ideal for gas flow calibration (custody transfer) applications
  • Two isolated, stainless steel, pressure sensors with 0.025 % accuracy
  • Pt100 RTD input for temperature measurement, (probe optional)
  • Measures 4 to 20 mA signals
  • Internal 24 V loop power supply can power a transmitter under test
  • Measure up to 30 V dc, check 24 V loop power supplies
  • Large backlit graphic display can display up to three inputs simultaneously
  • Store five instrument setups for recall and use
  • Extend pressure measurement range with any Fluke 750P and 700P Series Pressure Modules
  •  Intrinsically Safe (721Ex version only) – IECEx and Atex Ex ia IIB T3 GB (Zone 1)

Included:

  • Soft Case
  • Four (4) AA Batteries
  • Manual
  • Traceable Calibration Certificate
  • Test Leads




Specifications 1-Year

Low pressure sensor Range Resolution Accuracy
-14 psi to +16 psi,
-0.97 bar to 1.1 bar
0.001 psi,
0.0001 bar
0.025 % of full scale
High pressure sensor -12 psi to +100 psi,
-0.83 bar to 6.9 bar
0.01 psi,
0.0001 bar
0.025 % of full scale

General Specifications

Instrument setup recall Last used on power-up
Environmental Operating temperature -10 °C to +50 °C
Storage temperature (without batteries) -20 °C to +60 °C
Altitude 2,000 meters
Ingress protection IP-40
Power requirements 6.0 v dc
Battery life >35 hours, typical usage
Batteries required (4) Standard AA cells
Dimentions (HxWxD) 7.9" X 4.3" X 2.3" (20 cm X 11 cm X 5.8 cm)
Weight 03539 kg (1 lb 3 oz)
Connectors/ports pressure Two, 1/8 in NPT, 700P Series Pressure Module; RTD Probe

Electrical and Temperature Measurement 1-Year

Function Range Resolution Accuracy
mA measure 0 to 24 mA 0.001 mA ±0.015% of rdg
±0.002mA
VDC measure 0 to 30 VDC 0.001V ±0.015% of rdg
±0.002V
*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 ohms
±0.1°C (±0.2°F)
±0.25 degC (±0.45
degF) combined uncertainty when using 720 RTD probe accessory
Loop power supply 24V N/A 24 mA @ 24V
*Temperature measurement requires optional Fluke-720RTD Pt-100 RTD probe available as an accessory

Temperature Effect

No effect on accuracy on all functions from 15 °C to 35 °C
Add ± 0.002 % F.S./°C for temps outside of 15 °C to 35 °C

Available Pressure Engineering Units

psi, bar, mbar, kPa, kgcm2, cmH2O@4°C, cmH2O@20°C, mH2O@4°C, mH2O@20°C, inH2O@4°C, inH2O@20°C, inH2O@60°F, mmHg@0°C, inHg@0°C, ftH2O@4°C, ftH2O@20°C, ftH2O@60°F