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M & G Deadweight testers are superior to all digital systems. Use the deadweight testers as your company's primary standard or to calibrate very critical pressure gauges as in custody transfer applications.....

Mansfield and Green (M & G) Dead Weight Testers (Primary Standards)
Deadweight testers are superior to all digital systems. Use the deadweight testers as your company's primary standard or to calibrate very critical pressure gauges as in custody transfer applications.

Pneumatic Dead Weight Testers

These self-regulating floating-ball testers offer a high level of accuracy independent of the operator and have earned their reputation as the 'standard of primary standards'. AMETEK pneumatic deadweight testers are available for pressures as low as 4 inH2O (10 cmH2O) or as high as 1500 psi (100 bar). AMETEK pneumatic testers have accuracies up to ±0.015% of reading and repeatability up to ±0.005% of reading. These testers are superior to all digital systems.

MODEL PK ll
Low pressure tester, portable and ideal for field or laboratory use. The PK II tester is used for low pressure applications up to 30 psi (2 bar). Available in 7 engineering units: psi, g/cm2, kPa, bar, inH2O, cmH2O, and mmHg. This industry standard has an accuracy of up to ±0.015% of reading. Housed in a rugged case made for 'closed case' operation to protect from wind conditions. The tester base includes a built-in mounting for optional tripod use. Also available for medical applications ready for use with Oxygen.....Read more - PK II.pdf

MODEL RK
Accurate up to ±0.015%  of indicated reading, this primary standard is ideal for pressure ranges from 1 to 300 psi (0.01 to 20 bar) and provides for incremental pressures down to only 0.1 psi (1 mbar).

Available in seven different engineering units: inH2O, psi, kPa, cmH2O, inHg, bar and kg/cm2. Features a cast metal base with quick levelling for field or laboratory use. Also operates with cover closed.......Read more - RK.pdf

MODEL HK
High pressure tester for high pressure applications up to 1,500 psi (100 bar), AMETEK HK series testers operate in the same easy manner as the Model PK II and RK testers. HK testers feature an accuracy up to ±0.025% and a repeatability of up to ±0.005% of reading. Available in psi, kg/cm2, kPa and bar engineering units......Read more - HK.pdf

Hydraulic Dead Weight Testers

Superior to digital systems, AMETEK testers offer excellent performance and long term stability and they feature a proven design that will deliver years of trouble-free operation.

DEADWEIGHT TESTER TYPE T

These high accuracy deadweight testers are ideal for laboratory or field use. The type T tester uses distilled water or fluid compatible with 300 series stainless steel and MONEL (including AAA tester oil). For applications up to 15,000 psi (1,000 bar). An optional dual piston lets you interchange piston/cylinder assemblies to extend the pressure measurement range using the same weight set. A kit is available for converting to a dual column tester.....Read more - Type-T-DWT.pdf

DUAL COLUMN

Separate columns are provided for high and low pressure measuring piston/ cylinder assemblies. Range changes are achieved using a built-in crossover valve that allows three-point calibrations to be performed in seconds. It is not necessary to purchase a second set of weights. Fill fluids and pressure ranges are the same as type T single column testers......Read more - Dual Column.pdf 

HYDRALITE (HL) PORTABLE DEADWEIGHT TESTER
This extremely compact, self-contained portable tester is designed for pressure ranges from 10-200 psi (1-15 bar) up to 50-3,000 psi (5-225 bar). Accurate to ±0.05% of reading, the unit features an easy-to-use screw pump with ratcheting handle and re-entrant type piston/cylinder assembly. This helps maintain accuracy as the test pressure increases. Weights and piston assemblies are interchangeable. The unit's AAA tester oil may be easily inspected through the transparent reservoir. Compact design in only 9 x 9 x 10 in (23 x 23 x 24.5 cm). Tripod option available for field applications......Read more....Ametek-HL-Deadweight-Tester.pdf