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The HydraLite Tester is a primary standard available as a dead weight tester or a gauge. Both feature a re-entrant type measuring piston and cylinder assembly.

This design reduces the rate of fluid leakage and increases float time, helping to maintain accuracy as test pressures increase.

Each tester features an easy-to-use, convenient screw pump as the pressure source, which contains a ratchet feature that prevents the unit from depressurizing unexpectedly.

Designed for lab or field use, each tester is completely self-contained within the cover of the unit.
Features
  • Accuracy to 0.05% of reading
  • Ranges to 3000 psi
  • Available in psi, kg/cm², bar, and kPa
  • Dual piston models extend the range of single weight sets
  • Overhung weight carrier reduces side thrust and friction
  • Quick-leveling system for field use
  • Optional Tripod
  • Over-pressure protection prevents piston damage

Specifications

Model

  • HydraLite HL and HLG

Type

  • Hydraulic, Piston Gauge

Pressure Range

  • To 22,500 kPa / 3,000 psi (model dependent)

Accuracy (12 Months)

  • To ± 0.050 % Reading

Increments (Low - min)

  • 0.1 psi, 0.005 kg/cm², 5 mbar, 0.5 kPa

Increments (High - min)

  • 0.5 psi, 0.025 kg/cm², 25 mbar, 2.5 kPa

Gravity

  • 9.80665 m/s² (International Standard)

Piston/Cylinders

  • Single or Dual (As ordered)

Columns

  • Single

Weight Sets

  • Single (As ordered)

Pressure Source

  • Screwpump, Hand-Actuated, Ratcheting Hydraulic Pump (Tester Models only)

Medium

  • AAA Oil

Reservoir Capacity

  • 0.24 l /14.4 in³ (Tester Models only)

Wetted Surfaces

  • 300 Series Stainless Steel, Brass, Aluminum

O-rings

  • Buna-N

Test Connections

  • 1/4” NPT and 1/2” NPT

Weight Material

  • Hard, Non-Magnetic Alloy and Aluminum

Engineering Units

  • psi, kg/cm², bar, kPa

Cases

  • 1 (Self-Contained)

Tester Size (L x W x H)

  • 22.9 x 22.9 x 25.4 cm / 9 x 9 x 10 in

Weight

  • 20.4 kg / 45 lb

Configuration

  • Single or Dual Piston/Cylinder, Single Column Hydraulic Deadweight or Gauge

Delivery

  • Pump (Tester), Piston(s), Weight Set, Tools, Gauge Post, Adapters, Manual, and NIST Traceable Certification
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