HK Deadweight Tester

Brand: M&G Calibration

The HK floating ball type pneumatic dead weight tester is engineered to offer user-friendly, safe operation. The easy-to-use primary standard provides reliable and accurate pressure measurement in a lab.

Featuring a self-regulating design, that allows automatic stabilization of weights, eliminating the need to adjust input pressure.

Local gravity and standard gravity (980.665 gals) versions available.
Features
  • Accuracy to 0.025% of reading
  • Ranges to 1500 psi
  • Available in psi, kg/cm², bar, and kPa
  • Rugged ceramic measuring ball
  • Overhung weight carrier reduces side thrust and friction
  • Quick-leveling system for field use

Specifications

Accuracy

  • Accuracy: ± (0.025 % of Reading*)
  • Repeatability: ± 0.005 % of Reading
  • Temperature Coefficient: ± 0.00167 % of Reading / °C outside of 23° C

Weight Mass

  • Pressure Range: 10 to 1500 psi/50 to 10,000 kPa
  • Gravity: 9.80655 m/s² (International Standard)/ Local Gravity (Specify)
  • Available Units: psi, kg/cm², bar and kPa

Pressure Source

  • Source: Nitrogen or Instrument/Shop Air (ISA Quality Standard 7.3)
  • Maximum Supply Pressure: 1500 psi/100 bar (1000 psi and lower models) | 2250 psi/150 bar (models above 1000 psi)
  • Minimum Supply Pressure: 150 psi/10.3 bar (or 150 % of desired Output Pressure)
  • Flow Rate: 3 scfh at 10 psi / 85 slh at 1 bar output | 100 scfh at 1500 psi / 2800 slh at 100 bar output

Enclosure

  • Tester Weight: 18 to 31.5 lb (8.2 to 14.3 kg)
  • Masses: 17.5 to 61.5 lb (8 to 30 kg)
  • Tester Dimensions (L×W×H): 12.5 × 11.47 × 11.5 in (31.75 × 29.1 x 29.2 cm)
  • Weights Case Dimensions (L×W×H): 2 × 12 × 12 in (5.1 × 30.5 × 30.5 cm)

Material and Connection

  • Weight Masses: Stainless Steel (as standard)
  • Ball: Ceramic
  • Connection: 7/16-20 37° AN4 Male

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