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Balun Technology Co., Ltd
Catalog excerpts
A low-pressure calibration setup is different from its high-pressure counterparts. A sealed and controlled low-pressure environment is influenced by many internal and external factors such as the climate condition, direct air-flow, humidity control, pressure and temperature within the room caused by instruments, workers, and computers. With excellent pressure regulation, the model BL507 low pressure deadweight tester is ideal primary standard for defining the pressure low to 1200Pa with 0.01% of reading. Minimum pressure is low to 1200 Pa 0.02%, 0.01% accuracy Accuracy of lower limit range keeps same as upper limit range. The cylinder is tungsten carbide, which provides stability, Piston/cylinder design provides stability and repeatability High quality needle valves provide optimum control and sealing Primary pressure standard in lab Reference pressure measure on workshop Accuracy: 0.02%, 0.01% Piston material: 316 stainless steel Cylinder material: Tungsten carbide Mass material: 304 stainless steel Pneumatic base material: Stainless steel Seal material: Buna-N Medium: Dry clean air, purity class 1-2-1 (ISO 8573-1) Air source: by wheel pump or external gas bottle Gravity: Standard 9.80665 m/s², or customize local gravity. Pressure units available: kPa, mbar, inch water (optional) Pressure range selectable sheet: Pressure connector: Metric, (NPT and BSP is optional) Base dimension: 185 mm (H) x 455 mm (L) x 380 mm (D) Base weight: Appro.10kg PRESSURE SELECTABLE SHEET P/N BL507 Low pressure deadweight tester base Piston cylinder unit 304 stainless steel mass set Adapter kits User manual Transit case OPTIONAL ACCESSORIES AND SERVICES ■ ■ ■ ■ ■ Gas bottle (buy locally) Pressure reducer valve with pipe (P/N: 1543) Trim mass set (P/N:F1-50GSET-316) BL507 / pressure range part number / accurac
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