Holykell Digital Pressure Gauge CWY122

The CWY122 digital pressure gauge is a portable tool designed for high-precision pressure, voltage, and current measurements. It features pressure leak testing, pressure switch checks, environmental temperature measurement, and a DC24V power output. The gauge includes peak pressure recording, file storage, and leak testing capabilities. Suitable for field and lab use, it connects to automatic pressure calibration systems and verifies various pressure instruments.


Product Features:
High-precision measurement up to ¯0.1%F.S/¯0.05%F.S/¯0.02%F.S
Versatile for pressure leak detection, pressure switch testing, environmental temperature measurement
High-precision digital voltmeter and ammeter
RS485/RS232 communication for real-time data transfer
Compatible with automatic pressure calibration systems

Applications
Aerospace
Construction
Metallurgy & Power
Petroleum & Chemical
Food & Pharmaceuticals
Instrumentation manufacturing

Measuring range (-0.1~250)MPa by customized
Accuracy ¯0.1%F.S(typical);¯0.05%F.S/¯0.02%F.S(by customized)
Power supply Battery
5V power adapter(AC220V to DC5V/1A, USB-T plug, meter has a charging indicator light: red for charging & green when fully charged
Electrical connection Standard Φ4mm jack
Output connection Standard Φ4mm jack
Pressure interface Standard gauge interface M20×1.5mm
Differential pressure gauge interface: Tail-type quick connector, compatible with inner diameter 4mm PVC or silicone hose; Pressure fittings customizable
Ambient temperature 0~50℃
Atmospheric pressure 86~106kPa
Item Range Resolution Index
Voltage measurement (-50~50)V 0.1mV ¯(0.01%R.D+0.005%FS)
Current measurement (-25~25)mA 0.1uA ¯(0.01%R.D+0.005%FS)