1 45118es Ver. 2.1 05/03
INSTRUCTION MANUAL
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Model 45118
Mini Thermo-Anemometer
• Air Velocity and Temperature Dual Display
• Wind-chill Display
• Data Hold, Average, and Auto OFF features
• Selectable Air Velocity measurement units
1. INTRODUCTION
Congratulations on your purchase of Extech’s 45118 Mini Thermo-Anemometer. This
professional meter, with proper care, will provide years of safe reliable service.
2. SPECIFICATIONS
2.1General Specifications
Display Dual LCD with multifunction indicators
Measurements Knots, km/h, MPH, ft/min, m/sec, Beaufort force, windchill,
and temperature (C/F)
Wind-speed Moving 2 second average with 2 second gust detect
Sensor Sapphire bearing, non-corrosive vane for air velocity and
precision thermistor for temperature
Average Mode Choice of 5, 10, or 13 second average readings
Max Display Push button highest reading recall
Data hold Freeze most recent display
Sample time 1 reading per second
Water-resistant To 3’ (1 meter)
Min/Max wind-speed 1.1 to 62.5 MPH
Operating temperature 5 to 122
o
F (-15 to 50
o
C)
Operating humidity < 80% RH
Power supply Lithium battery type CR-2032 or equivalent
Battery life 400 hours approx.
Weight 3 oz. ( 95 g )
Dimensions Instrument: 5.25 x 2.75 x 0.75” (133 x 70 x 19mm)
Vane: 1” ( 24mm ) diameter
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