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Configured for Differential, 0 inH2O (0 mbar) to 40.19 inH2O (100 mbar), ± 1.6 %, this manometer suits hvac system troubleshooting and air velocity measurement with pitot tubes.
Configured for Differential, 0 inH2O (0 mbar) to 40.19 inH2O (100 mbar), ± 1.6 %, this manometer suits hvac system troubleshooting and air velocity measurement with pitot tubes.
The HHC280 is a rugged handheld differential manometer with rubber bumper and cover for field engineering. The HHC281 is a rugged handheld absolute pressure meter with barometric and altitude measurement and calculation of barometric pressure. Both meters feature dual inputs and eight selectable units.
Features
Applications
| Series | HHC280 Series |
| Type | manometer |
| Configuration | Differential |
| Configuration | 0 inH2O (0 mbar) to 40.19 inH2O (100 mbar) |
| Accuracy | ± 1.6 % |
| Units | °C or °F |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Power | 2" (5.1 cm)AAA" batteries (included) |
| Functions | Hold/Min/Max/Max-Min/AVG |
| Auto Power-Off | 10 Minutes |
| Backlight | Auto-Off (15 Seconds) |
| Included | Comes complete with batteries, carrying strap, and protection cap |
| Inputs (HHC280 Differential Manometer) | Dual Inputs P1 and P2 |
| Eight Selectable Units (HHC280) | mmH2O, mmHg, psi, inH2O, inHg, hPa, mbar, Pa, plus m/s and fpm (for air velocity) |
| Range (HHC280) | 0 to 2.95 inHg (0 to 100 hPa)/0 to 40.15 inH2O (1019.7 mmH2O) |
| Resolution (HHC280) | 0 inHg (0.1 hPa)/0 inH2O (0.1 mmH2O) |
| Per-Unit Range/Resolution (HHC280) | mmH2O 0 to 1019.7 (0.1); mmHg 0 to 75.00 (0.01); psi 0 to 1.450 (0.001); inH2O 0 to 40.14 (0.01); inHg 0 to 2953 (0.001); hPa 0 to 100.00 (0.01); mbar 0 to 100.00 (0.01); Pa 0 to 10000 (1); FPM (1); m/s (0.1) |
| Battery Life (HHC280) | 85 hours typical with alkaline batteries |
| Eight Selectable Units (HHC281 Absolute Pressure Meter) | hPa, mbar, Pa, mmH2O, mmHg, inH2O, inHg, psi, plus m and ft (for altitude) |
| Range (HHC281) | 8.86 to 35.44 inHg (300 to 1200 hPa) |
| Resolution (HHC281) | 0 inHg (0.1 hPa) |
| Barometric/Altitude (HHC281) | Barometric and Altitude Measurement; Calculation of Barometric Pressure |
| Battery Life (HHC281) | 600 hours typical with alkaline batteries |
| Dimensions | 0.98 x 2.0 x 5.2" (24.7 x 50.9 x 132.9 mm) |
| Weight (HHC280) | 4.0 oz (113 g) |
| Weight (HHC281) | 4.2 oz (120 g) |
| Series | HHC280 Series |
| Type | manometer |
| Configuration | Differential |
| Configuration | 0 inH2O (0 mbar) to 40.19 inH2O (100 mbar) |
| Accuracy | ± 1.6 % |
| Units | °C or °F |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Power | 2" (5.1 cm)AAA" batteries (included) |
| Functions | Hold/Min/Max/Max-Min/AVG |
| Auto Power-Off | 10 Minutes |
| Backlight | Auto-Off (15 Seconds) |
| Included | Comes complete with batteries, carrying strap, and protection cap |
| Inputs (HHC280 Differential Manometer) | Dual Inputs P1 and P2 |
| Eight Selectable Units (HHC280) | mmH2O, mmHg, psi, inH2O, inHg, hPa, mbar, Pa, plus m/s and fpm (for air velocity) |
| Range (HHC280) | 0 to 2.95 inHg (0 to 100 hPa)/0 to 40.15 inH2O (1019.7 mmH2O) |
| Resolution (HHC280) | 0 inHg (0.1 hPa)/0 inH2O (0.1 mmH2O) |
| Per-Unit Range/Resolution (HHC280) | mmH2O 0 to 1019.7 (0.1); mmHg 0 to 75.00 (0.01); psi 0 to 1.450 (0.001); inH2O 0 to 40.14 (0.01); inHg 0 to 2953 (0.001); hPa 0 to 100.00 (0.01); mbar 0 to 100.00 (0.01); Pa 0 to 10000 (1); FPM (1); m/s (0.1) |
| Battery Life (HHC280) | 85 hours typical with alkaline batteries |
| Eight Selectable Units (HHC281 Absolute Pressure Meter) | hPa, mbar, Pa, mmH2O, mmHg, inH2O, inHg, psi, plus m and ft (for altitude) |
| Range (HHC281) | 8.86 to 35.44 inHg (300 to 1200 hPa) |
| Resolution (HHC281) | 0 inHg (0.1 hPa) |
| Barometric/Altitude (HHC281) | Barometric and Altitude Measurement; Calculation of Barometric Pressure |
| Battery Life (HHC281) | 600 hours typical with alkaline batteries |
| Dimensions | 0.98 x 2.0 x 5.2" (24.7 x 50.9 x 132.9 mm) |
| Weight (HHC280) | 4.0 oz (113 g) |
| Weight (HHC281) | 4.2 oz (120 g) |
