Xylem 45158 HANDHELD ANEMOMETERS - Manual

User's Manual
Model 45158
Mini Hygro Thermo-Anemometer
Introduction
Congratulations on your purchase of Extech’s
Model 45158 Anemometer. The dual display
indicates Air Velocity and Humidity, Dew Point,
Ambient Temperature, or Temperature with
wind-chill factor. With careful use, this meter
will provide years of reliable service.
Specifications
Range Specifications
Measurement Range Resolution Accuracy (% of reading)
MPH (Miles per hour) 1.1 to 62.5 MPH 0.2 MPH ± (3% + 0.4 mph)
km/hr (kilometers per hour) 1.8 to 100.6 km/h 0.7 km/h ± (3% + 1.4 km/hr)
Knots (nautical miles per hour) 1.0 to 54.3 knots 0.3 knots ± (3% + 0.6 knots)
m/sec (meters per second) 0.50 to 28.00 m/s 0.01 m/s ± (3% + 0.2 m/s)
ft/min (feet per minute) 100 to 5500 ft/min 20ft/min ± (3% + 40 ft/min)
Beaufort force 1 to 17 BF 1 BF ± 1
Temperature 0 to 122 o F (-18 to 50 o C) 0.1 o F/C ± 1.8 o F (± 1 o C)
Relative Humidity 10 to 95% 1% ± 5% RH
Dew Point 32 to 122 o F (0 to 50 o C) 0.1 o F/C ± 3.6 o F (2 o C)
General Specifications
Display Dual LCD with low battery and multifunction indicators
Sensors Sapphire bearing, non-corrosive vane for air velocity; Precision
thermistor for temperature measurements
Average Mode Choice of 5 or 10 reading averaging (2 second factory default)
Max and Data Hold Displays Max recalls the highest reading; Data Hold freezes the display
Sample time 1 reading per second for air velocity and temperature
(1 reading per 15 seconds for humidity with 2 second updates)
Water-resistant To 3’ (1m)
Operating conditions 5 to 122 o F (-15 to 50 o C) / < 80% RH
Power supply Lithium battery (CR-2032 or equivalent) / 400 hour battery life
Dimensions / Weight Instrument: 5.25 x 2.75 x 0.75” (133 x 70 x 19mm)
Vane: 1” ( 24mm ) diameter / 3 oz. ( 95 g )