Pressure Gauge Accuracy Class: 0.1 to 4.0 Selection Guide
ASME B40.100, EN 837-1, and GB/T 1226-2017 accuracy class ladder explained: 9 grades, the 4:1 calibration rule, and a 5-factor decision matrix for industrial selection.
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Negative Pressure Gauge Applications: HVAC, Cleanroom, Medical, Refrigeration, Boiler & Automotive
Negative pressure gauges in HVAC, cleanrooms, hospital isolation rooms, refrigeration, boiler draft, and automotive. Typical readings + instrument selection.
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Low Pressure Transducer Guide: HVAC, Cleanroom & OEM
Spec the right low pressure transducer for HVAC, cleanroom, filter monitoring or OEM use. Ranges 100 Pa-10 kPa, accuracy, mounting, and 6 HMK matches.
