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.