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Fluke 721-360X Dual Sensor Precision Pressure Calibrator (2.48 bar)

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Fluke-721-360X
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The Fluke 721-360X Dual Sensor Precision Pressure Calibrator (2.48 bar) can be used to measure static and differential pressure simultaneously. It is ideal for gas flow calibrations.

This instrument is available in seven models. Each of the models is supplied with two isolated, stainless steel pressure sensors: one standard 2.48 bar sensor and a selectable secondary sensor. For further information, please see the following table.

Product Code Product Name  Sensor 1 Range (2.48bar) Sensor 1 Resolution  Sensor 1 Accuracy  Selectable Second Sensor Range  Selectable Second Sensor Resolution Selectable Second Sensor Accuracy
FLUKE-721-3601 Fluke 721-3601 Dual Sensor Precision Pressure Calibrator - 1.1bar, 6.9 bar

-0.97 bar to 2.48 bar

-14 psi to +36 psi

0.0001 bar

0.001 psi

0.025% of full scale

-0.83 bar to 6.9 bar

-12 psi to +100 psi

0.0001 bar

0.01 psi

 0.025% of full scale
FLUKE-721-3603 Fluke 721-360 Dual Sensor Precision Pressure Calibrator - 1.1bar, 20 bar

-0.83 bar to 20 bar

-12 psi to +300 psi

0.001 bar

0.01 psi

FLUKE-721-3605 Fluke 721-3605 Dual Sensor Precision Pressure Calibrator - 1.1bar, 34 bar

-0.83 bar to 34.5 bar

-12 psi to +500 psi

0.001 bar

0.01 psi

FLUKE-721-3610 Fluke 721-3610 Dual Sensor Precision Pressure Calibrator - 1.1bar, 69 bar

0.00 bar to 69 bar

0 psi to +1000 psi

0.001 bar

0.1 psi

FLUKE-721-3615 Fluke 721-3615 Dual Sensor Precision Pressure Calibrator - 1.1bar, 103 bar

0.00 bar to 103.4 bar

0 psi to +1500 psi

0.001 bar

0.1 psi

FLUKE-721-3630 Fluke 721-3630 Dual Sensor Precision Pressure Calibrator - 1.1bar, 200 bar

0.00 bar to 200 bar

0 psi to +3000 psi

0.01 bar

0.1 psi

FLUKE-721-3650 Fluke 721-3650 Dual Sensor Precision Pressure Calibrator - 1.1bar, 345 bar

0.00 bar to 345 bar

0 psi to +5000 psi

0.01 bar

0.1 psi

0.035% of full scale

With the exception of the Fluke 721-3650’s 345 bar sensor (see the table above), each of the pressure modules supplied with the Fluke 721-360X Dual Sensor Precision Pressure Calibrator is able to conduct measurements to an accuracy of 0.025%. The pressure ranges available on this calibrator can be extended via the connection of Fluke’s 700 Series Pressure Modules (NOT included).

The Fluke 721-360X Dual Sensor Precision Pressure Calibrator’s suitability for gas custody transfer applications (gas flow calibrations) is cemented by the inclusion of a Pt100 RTD input through which the user may conduct temperature measurements using an OPTIONAL probe.

In addition to measuring pressure and temperature, the Fluke 721-360X Dual Sensor Precision Pressure Calibrator can also be used to measure DC voltages up to 30V and can conduct mA measurements between 4 and 20mA. Further to this, as well as including a 24V loop power supply for powering transmitters-under-investigation, the Fluke 721-360X Dual Sensor Precision Pressure Calibrator is capable of checking 24V loop power supplies.

Measurements acquired by up to three inputs may be viewed simultaneously on the Fluke 721-360X Dual Sensor Precision Pressure Calibrator’s large, backlit, graphic display.

Finally, the efficiency of this instrument is improved by its ability to save up to five instrument setups which may be recalled as required.

The Fluke 721-360X Dual Sensor Precision Pressure Calibrator (2.48 bar) puts versatility, efficiency and ease-of-use at the forefront of its design. It is ideal for those wishing to perform gas flow calibrations.

Fluke 721-360X Dual Sensor Precision Pressure Calibrator (2.48 bar) Key Features

  • Measure static and differential pressure simultaneously
  • Ideal for gas flow calibrations
  • Available in seven models
  • Supplied with a standard 2.48 pressure sensor and a selectable secondary sensor
  • Pressure sensors are isolated
  • Pressure sensors are constructed from stainless steel
  • Pressure sensors have an accuracy of 0.025% (with the exception of the Fluke 721-3650’s 345 bar sensor)
  • Extend the pressure range of this calibrator via a connection to Fluke’s 700 Series Pressure Modules (NOT included)
  • Pt100 RTD input for conducting temperature measurements using an OPTIONAL probe
  • Measure DC voltages up to 30V
  • Measure mA signals between 4 and 20mA
  • Includes a 24V loop power supply for powering transmitters-under-investigation
  • Check 24V loop power supplies
  • Large, backlit, graphic display
  • View measurements from up to three inputs simultaneously via the display
  • Save up to five instrument setups which may be recalled as required
  • A versatile, efficient, easy-to-use instrument optimised for gas flow calibrations

What’s Included?

  • Your Choice of Fluke 721-360X Dual Sensor Precision Pressure Calibrator (2.48 bar)
  • Soft Case
  • 4x AA Batteries
  • User Manual
  • Traceable Calibration Certificate
  • Test Leads

Fluke 721-360X Dual Sensor Precision Pressure Calibrator (2.48 bar) Technical Specifications 

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
Dimensions (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
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Additional Information
SKU Fluke-721-360X
Manufacturer Part Code 4353412

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