Fluke 721-3610

Fluke 721-3610 Dual Sensor Precision Pressure Calibrator (1000 psi, 0.025% Accuracy).

The Fluke 721-3610 Pressure Calibrator is a high-performance solution designed for gas flow calibration and custody transfer applications. With two isolated stainless-steel sensors and an impressive accuracy of 0.025% of full scale, this instrument provides unmatched reliability for field and laboratory use.

Belonging to the General Pressure Calibrators category, the Fluke 721-3610 is engineered to handle demanding industrial environments where precision is essential.

For a deeper understanding of pressure calibration and its role in process accuracy, explore our article: Pressure Calibrators Explained: How to Ensure Process Accuracy in Industrial Settings.

Key Features

• Dual isolated stainless-steel sensors:
  Sensor 1: -14 to 36 psi (0.025% accuracy)
  Sensor 2: 0 to 1000 psi (0.025% accuracy)

• Wide measurement capability: Measures absolute and differential pressure.

• Integrated Pt100 RTD input for temperature measurement (probe optional).

• Multifunction capability: Measures 4–20 mA signals, up to 30 V DC, and checks 24 V loop power supplies.

• Loop power supply: Internal 24 V supply to power transmitters under test.

• Compatibility with Fluke 700 Series pressure modules (29 ranges available) for extended measurement capability.

• Large backlit display: Simultaneously view up to three inputs.

• User efficiency: Store and recall up to five instrument setups.

Technical Specifications

• Maximum Pressure: 1000 psi

• Accuracy: 0.025% of full scale (both sensors)

• Resolution: 0.01 psi

• Pressure Types: Absolute and differential

• Min/Max Recording: Yes

• Hart Compatible: Yes

• Battery Life: Up to 35 hours (4 × AA batteries)

• Display: Backlit graphical interface

• Weight: 1.19 lbs (0.54 kg)

• Dimensions: 7.9 in × 4.3 in × 2.3 in

• Warranty: 3 years

What’s Included

• Fluke 721-3610 Dual Sensor Pressure Calibrator

• Soft carrying case

• 4 × AA batteries

• Test leads

• User manual

• Traceable NIST calibration certificate

Why Choose the Fluke 721-3610?

The Fluke 721-3610 is a trusted choice for engineers and technicians requiring high-precision calibration for gas flow and process applications. Its dual sensor system and wide compatibility with external modules make it a versatile instrument for field calibration.

For alternative options, see our Pressure Calibrators selection or explore similar models such as the Fluke 721-3630 for extended pressure ranges.