Environmental Meters for Differential & Absolute Pressure

HHC280-Series

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Differential Manometer

HHC280
0 to 40 inH2O/0 to 100 hPa
HVAC System Troubleshooting
Gas Pressure Measurements
Compliant for Pitot Tubes for Measuring Air Velocity
Dual Inputs P1 and P2
Functions: Hold/Min/Max/Max-Min/AVG
Auto Power-Off (10 Minutes)
Backlight with Auto-Off (15 Seconds)
Absolute Pressure Meter

HHC281
High Accuracy Absolute Pressure Measurement
Barometric and Altitude Measurement
Calculation of Barometric Pressure
Functions: Hold/Min/Max/Max-Min/AVG
Auto Power-Off (10 Minutes)
Backlight with Auto-Off (15 Seconds)

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產(chǎn)品描述

The HHC280 Series of handheld manometers are offered in two different models: absolute pressure manometer and precision differential manometer. Both models present auto power-off and backlight with auto-off features.

Differential Manometer - HHC280

Specifications
Eight Selectable Units: mmH2O, mmHg, psi, inH2O, inHg, hPa, mbar, Pa, plus m/s and fmp (for air velocity)
Range: 0 to 100 hPa/0 to 1019.7 mmH2O
Resolution: 0.1 hPa/0.1 mmH2O
Accuracy:
    ±0.03 hPa (0 to 0.30 hPa)
    ±0.05 hPa (0.31 to 1.00 hPa)
    ±0.1 hPa + 1.5% or rdg (rest of range)
    ±0.3 mmH2O (0 to 3.0 mmH2O)
    ±0.5 mmH2O (3.1 to 10.2 mmH2O)
    ±1.02 mmH2O + 1.5% of rdg (rest of range)
Operating Temperature: 0 to 50°C (32 to 122°F)
Power: 2 “AAA” batteries (included)
Battery Life: 85 hours typical with alkaline batteries
Dimensions: 24.7 x 50.9 x 132.9 mm (0.98 x 2.0 x 5.2")
Weight: 113 g (4.0 oz)

Absolute Pressure Meter - HHC281

Specifications
Eight Selectable Units: hPa, mbar, Pa, mmH2O, mmHg, inH2O, inHg, psi, plus m and ft (for altitude)
Range: 300 to 1200 hPa
Resolution: 0.1 hPa
Accuracy: ±3 hPa
Operating Temperature: 0 to 50°C (32 to 122°F)
Power: 2 “AAA” batteries (included)
Battery Life: 600 hours typical with alkaline batteries
Dimensions: 24.7 x 50.9 x 132.9 mm (0.98 x 2.0 x 5.2")
Weight: 120 g (4.2 oz)
Comes complete with batteries, carrying strap, and protection cap.

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