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Balun Technology Co., Ltd
Catalog excerpts
The BL569 Compensated Micro Manometer is a precision instrument designed for low-pressure calibration. It features a large movable reservoir and a small fixed reservoir. By adjusting the position of the large reservoir, the pressure generated by the difference in water levels between the two reservoirs balances with the desired pressure from an external calibration pump. This makes it an ideal tool for calibrating low pressure, vacuum, and differential pressure in laboratory settings. Pressure Range: ±2500 Pa High Accuracy: Up to ±0.4 Pa Transparent observation tube with a water gauge head for easy monitoring of the water level in the large reservoir level and the liquid level inside the observation tube Fine Adjust Disc: Features 200 equal divisions on a long screw for precise adjustments; scales indicate the height of the large reservoir Low Pressure Calibration in metrology laboratories pressure (non-corrosive gases) Pressure Range: -2500 Pa to 2500 Pa (±10 inches of water) Accuracy Class: 0.02 Tolerated Error: ±0.4 Pa (-1500 Pa to +1500 Pa); ±0.5 Pa (-2500 Pa to -1500 Pa); ±0.5 Pa (+1500 Pa to +2500 Pa) Liquid Level Resolution: 0.01 mm Liquid in Reservoirs: Distilled water or deionized water Stability: Maintains 2500 Pa for 3 minutes without pressure drop in the next 1 minute Maximum Pressure: Maintains 5000 Pa for 10 minutes without pressure drop in the next 5 minutes Zero Alignment Tolerated Error: < ±0.1 Pa Zero Return Tolerated Error: < ±0.2 Pa Dimensions: 230 mm x 322 mm Weight: 6 kg BL569 Compensated Micro Manometer Flexible Connection Hoses (x2) User Manual Transit Case for secure transport OPTIONAL ACCESSORIES AND SERVICES ■ ■ Low Pressure Calibration Pump
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