Ametek RK Deadweight Tester

Key Features:

  • Accurate to +/- 0.015%
  • Multiple Ranges
            - 4 to 1614" H2O
            - 1 to 300 PSIG
            - 1 to 2011 kPa
            - 10 to 4010 cm H2O
            - 1 to 112" Hg
            - 0.01 to 20 Bar
            - 0.01 to 20 kg/cm2
  • Economical Self-Regulating Pressure Standard
  • NIST Traceable
Product Options:

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$11,198.00

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     The AMETEK RK Pneumatic Deadweight Tester is a primary standard that produces a pressure by applying force (weight set) over area (the ceramic ball and nozzle). The RK tester is NIST traceable and accurate to +0.05% using stainless steel weights calibrated to international standard gravity at 980.665 cm/sec2. +/-0.025% and +/-0.015% accuracy are also available.

     The RK tester is self-regulating with accuracy independent of the operator. The tester utilizes a virtually frictionless ceramic ball floating on a layer of air within a stainless steel cylinder. The RK tester features a cast-metal base with a quick-leveling system for field or lab setup. The unit may also be mounted to an optional tripod for more convenient setup. The tester may be operated with the cover opened or closed. Weights are located in foam-protective slots in the case.

 

Standard Delivery:

  • • RK Tester 
  • • Stainless Steel Weights, Range Specific
  • • Hard Carry Case 
  • • NIST Traceable Calibration Certificate (Data Optional)
  • • User manual

Please call (732) 632-6400 to order fractional weights or carriers.

FUNCTIONAL SPECIFICATIONS
Model:.............................................................................. RK
Type:..................................................... Pneumatic, ball type
Pressure range:.. to 2,000 kPa / 300 psi (model dependent)
Accuracy (12 months):.................................to ±0.015% rdg
Repeatability:....................................................±0.005% rdg
Temperatue coefficient: ±0.00167% of rdg/°C (@ on 23 °C)
Increments (low - min):............ 1 psi, 0.01 kg/cm2, 0.01 bar,
.......................................1 kPa, 4 inH2O, 10 cmH2O, 1 inHg
Increments (small): Small incremental weight sets available
Gravity:.......................9.80665 m/s2 (international standard)
...............................or Local gravity (specify when ordering)
Water column temp ref:...................... 20°C (ISA) (standard)
................. or 60°F (AGA) (optional) (specify when ordering)
Weight sets:............................................ Single (as ordered)
Pressure source:.................Nitrogen or instrument/shop air
......................................................(ISA quality standard 7.3)
Supply pressure (max):................................31 bar / 450 psi
Supply pressure (min): .................................2.1 bar / 30 psi
.................................... or 150% of desired output pressure
Flow rate:.............. 28 slh at 1 kPa/1 scfh at 0,15 psi output
.................. 1700 slh at 2000 kPa/60 scfh at 300 psi output
Test connections:................................................... 1/8” NPT
Weight material:......................................Stainless steel and
..................................aluminum (small incremental weights)
Ball material:.............................................................Ceramic
Engineering units:............................... psi, kg/cm2, bar, kPa,
............................................................. inH2O, cmH2O, inHg
Cases:.......................................... 1 or 2 (model dependent)

PHYSICAL SPECIFICATIONS
Connections:............................................ 1/4 in NPT female
Weight:
Tester only............................... 8.2 - 14.3 kg / 18 to 31.5 lbs
Weights................................... 8.0 - 30 kg / 17.5 to 61.5 lbs
Shipping dimensions (L x W xH):
Tester.................38.1 x 24.1 x 20.3 cm / 15.0 x 9.5 x 8.0 in
Weights............ 21.6 x 30.5 x 29.2 cm / 8.5 x 12.0 x 11.5 in
Configuration:................................... Pneumatic deadweight
Delivery:.............................Tester base, weight set, manual,
........................................... and NIST traceable certification

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