Max. 80% RH
32 °F to 122 °F (0 °C to 50 °C)
Dual function 8888 count LCD display
4
Maintenance
Battery Replacement
When the battery power falls low, the low battery icon
will appear on the LCD. Replace
the 9V battery by removing the Phillips screw on the battery compartment door and
accessing the battery compartment. Ensure that the compartment cover is securely
fastened when finished.
Cleaning and Storage
Wipe the meter and vane with a damp cloth as needed. Do not apply abrasive, solvents, or
other cleaners to the surface of the meter or vane. Store with the battery removed and
avoid extreme temperature and humidity.
Specifications
Circuit description
Custom LSI microprocessor design
Display
Measurement units
m/s, km/h, ft/min, knots , mph, Temperature:
o
C/
o
F
Data hold
Freezes reading on the display
Sensor Structure
Air velocity sensor: Conventional twisted vane arm with low-
friction ball-bearing
Memory Recall
Record and Recall Maximum/Minimum (MAX/MIN) readings
Auto Power off
After 15 minutes with disable feature
Operating Temperature
Operating Humidity
Power Supply
9V battery
Power Consumption
Approx. 8.3mA DC
Air Velocity Range Specifications
Measurement
Range
Resolution
Accuracy
(% of reading)
ft/min (feet per minute)
80 - 5900 ft/min
1 ft/min
± (3% + 40 ft/min)
m/s (meters per second)
0.40 - 30.00 m/s 0.01 m/s
± (3% + 0.20 m/sec)
km/h (kilometers per hour)
1.4 - 108.0 km/h 0.1 km/h
± (3% + 0.8 km/hr)
mph (miles per hour)
0.9 - 67.0 mph
0.1 mph
± (3% + 0.4 mph)
knots (nautical miles per hour) 0.8 - 58.0 knots
0.1 knots
± (3% + 0.4 knots)
Temperature Range Specifications
Range
Resolution
Accuracy
32
o
F to 122
o
F (0
o
C to 50
o
C)
0.1
o
F (0.1
o
C)
± 4.0
o
F (2
o
C)
CFM
