Dwyer

473B – 100mm Thermo-anemometer test instrument

327.00 

The Model 473B Digital Thermo Anemometer is versatile dual function instruments that quickly and easily measure air velocity, volumetric flow plus air temperature or humidity in imperial or metric units. High contrast LCD display shows both selected readings simultaneously. Convenient backlight provides perfect visibility in low light conditions. Light automatically shuts off after 2-1/2 minutes to prolong battery life. Low battery warning is included. Stainless steel probe with comfortable hand grip is etched with insertion depth marks from 0 to 8 inches and 0 to 20 cm. Extruded aluminum housing fully protects electronics, yet is lightweight and comfortable to hold even when taking multiple readings as part of duct traverses. Up to 99 readings may be stored for later retrieval. An integral sliding cover protects sensors when not in use. Items included with the 473B are 9 volt alkaline battery, sensing probe, wrist strap and custom carrying case.

SPECIFICATIONS
Service: air velocity, temperature or humidity of clean, dry air
Temperature limits:
Process:  -29 to 100 °C
Ambient: -15 to 51°C
Display: 4-1/2 digit LCD
Resolution:  0,1%, 0.1 ° F/°C
Range air velocity : 40  to 5000 FPM  ( 0.2 to 25 m/s)
Accuracy air velocity : ±1.5% of reading ±20 fpm (±0.1 m/s) [0.25 to 10 m/s]; ±1.5% of reading ±40 fpm (±0.2 m/s) [10 to 20 m/s];
Range volumetric air flow: 19.999 in selected flow units
Range temperature:  -20 to 212°F (-29 to 100°C)
Accuracy temperature:. ±0.54°F @ 77°F (±0.3°C @ 25°C);
Relative humidity: 0 to 100% RH
Accuracy humidity: ±2% @ 77°F (25°C) [10 to 90% RH]; ±4% [0 to 10, 90 to 100% RH] Power requirements: 9 volt alkaline battery, included.
Probe length: 8″  (203 mm)
Cable length: 28″ ( 71 cm) retracted – 6 ft (183 cm)  extended
Weight: 18.4 oz (521 g).

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473B - 100mm Thermo-anemometer test instrument - 473B-1 473B-1Code: 27792 327.00 
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