Family Owned & Operated Since 1971• Bakersfield, CA
Mansfield & Green primary pressure standards — Type T hydraulic and PK II pneumatic deadweight testers, Type T comparators, and T-series handpumps.
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View productPopular instruments and equipment
Top-of-line imperial Type T hydraulic deadweight tester at ±0.015% reading accuracy. Dual-column configuration with two interchangeable pistons (low + high range) and a dedicated weight set per piston, so high-range and low-range work proceed without reconfiguration. NIST traceable, local gravity correction + calibration data included. Configure pressure range, pressure medium, and o-ring material to build your part number.
Top-of-line metric Type T hydraulic deadweight tester at ±0.015% reading accuracy. Dual-column configuration with two interchangeable pistons (low + high range) and a dedicated weight set per piston so high-range and low-range work proceed without reconfiguration. NIST traceable, local gravity correction + calibration data included. Configure pressure range, pressure medium, and o-ring material to build your part number.
Metric single-column, single-piston/cylinder hydraulic deadweight tester at ±0.015% reading accuracy — highest accuracy class in the metric Type T DWT line. NIST traceable, local gravity correction + calibration data included. 18 range models (6 ranges × 3 unit systems: kg/cm², bar, kPa). Configure pressure range, pressure medium, and o-ring material to build your part number.
Metric dual-column, dual piston/cylinder hydraulic deadweight tester. Side-by-side columns enable comparative calibrations and differential measurements. ±0.100% standard accuracy (±0.025% optional via calibration upgrade). NIST traceable. 9 range models across kg/cm², bar, and kPa unit systems. Configure pressure range, calibration data, pressure medium, and o-ring material to build your part number.
Metric single-column, single-piston/cylinder hydraulic deadweight tester at ±0.025% reading accuracy (standard). NIST traceable with full calibration data included in the base price. 20 range models across kg/cm², bar, and kPa unit systems, spanning 1 to 100,000 kPa (or equivalent in other units). Configure pressure range, gravity correction, pressure medium, and o-ring material to build your part number.
Imperial dual-column, dual piston/cylinder hydraulic deadweight tester. Side-by-side columns enable comparative calibrations and differential measurements; each model ships with both a low-range and a high-range piston up to 15,000 PSI. ±0.100% standard accuracy (±0.025% optional), NIST traceable. Configure pressure range, calibration data, pressure medium, and o-ring material to build your part number.
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