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Specifications
General
Display:
3
1
⁄
digit liquid crystal display (LCD).
2
Low battery indication:
The "
level.
Operating Temperature:
0 to 40°C (32 to 105°F).
Operating relative humidity:
15 to 90% R. H., non-condensing.
Storage Temperature:
-40°F to 140°F (-20°C to 60°C, 0 to 80% R. H. with battery removed from meter.
Battery:
4 pcs 1.5V (AAA size) MN-2400.
Battery Life:
150 hours typical. (No measurable current draw when in "off" position.)
Dimensions:
190 mm (H) x 44 mm (W) x 40 mm (D).
Weight:
approx: 150 g including battery.
Electrical
Sensor: Solid State
Range: 0-20" water column
Resolution: 0.01"/0.1"
Accuracy: ±2.0% full scale
(at operation temperature 18 ~ 28°C [65°F ~ 82°F])
Temperature coefficient: ±0.15% full scale change in Accuracy per °F for
operation temperature above 82°F or below 65°F.
Maintenance
Battery Replacement (Refer to figure 1)
1. When the low battery indication lights.
2. Turn off the meter.
3. Remove the screw at the middle of the back side of the meter, and slide the
back cover off.
4. Remove batteries from the compartment.
" is displayed when the battery voltage drops below the operating
HHP680 Manometer
1
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