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¤ýRIGEL 421
The Rigel 421, Digital Pressure - Vacuum Meter is a versatile, high performance, combination digital pressure and vacuum meter. The precision instrument is designed for use in numerous medical and industrial applications and is compatible with a wide range of gases and fluids.
It is housed in a rugged aluminium case with a sealed membrane keypad. Models are available with accuracies of either 0.1% or 0.05% and various pressure ranges. The 0.1% model utilizes a silicon transducer and the 0.05% model utilizes a stainless steel transducer.

The Rigel 421, Digital Pressure - Vacuum Meter displays its measurements in cmH20, mBar, inH20, mmHg and PSI. An option in the 0.1% replaces cmH20 with kPa. The instrument reads peak pressure and has an automatic zero. Its ?inch fitting is adaptable to any standard fitting. Either a 9V alkaline battery or an AC adapter supplies power. A data output connector is available as an option.

The Rigel 421, Digital Pressure Vacuum Meter is tough, reliable instrument that will meet the demanding measurement requirements of both in-house and field applications. Included with each instrument is a Certificate of Calibration traceable to NIST.
¤ýFeatures
Affordable: Costs far less than most comparable Digital Pressure Meters.
Portable and Lightweight: Just 75x50x35mm
in size.

Battery operated.
Consistent: External Zero Balance assures long-term stability.

Versatile: Dual Units design with mmHg/PSI or mmHg/InH2O. No need for special fittings.
Pressure and Vacuum measurements

Included with the Rigel 420:
Tubing and Connector Kit
Operators Manual
Certificate of Calibration traceable to NIST
Specification
Accuracy
0.05% of FS 1 Digit
Part# Pressure/Vacuum Ranges
220-05 PSI-05 1.5 to 5 PSI

220-20 PSI-05 6.5 to 20 PSI

220-50 PSI-05 14 to 50 PSI
220-100 PSI-05 14 to 100 PSI
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