Model 44S-390 Sphygmomanometer-type Pressure Calibrator 0 to 16"H₂O

Features

• Test the output of differential pressure (flow) readings while adjusting the calibration.
• Accurate to ±1.5%.
• Lock in pressure readings by means of a check-valve thumb screw.
• Consists of a sphygmomanometer-type (blood pressure) gauge, a hand-adjusted valve, a flexible hose and a 3/16" tube - 1/2" NPT compression fitting.
• Weighs only 8 oz.
• Supplied with user's manual, hand-adjusted valve, flexible hose and 3/16" tube.