General Tools and Instruments HWA4214SD - Manual (Page 11)

SPECIFICATIONS
Embedded microcontroller Custom one-chip LSI device
Display type Liquid-crystal with green backlight
Display size 2.05 x 1.5 in. (52 x 38mm)
Parameters measured Air speed, temperature
Measurement range For temperature, 32º to 122ºF (0º to 50ºC); for air speed:
0.2 to 25 m/sec, 0.7 to 172 km/hr, 0.5 to 44.7 mph,
0.4 to 38.8 knots, 40 to 3940 ft/min
Measurement accuracy For air speed: ± (5% + 0.1 m/sec), ± (5% + 0.3 km/hr),
± (5% + 0.2 mph), ± (5% + 0.2 knots), ± (5% + 20 ft/min);
for temperature: ± 1.5ºF (± 0.8ºC)
Measurement resolution For air speed: 0.01 m/s (0.2 to 5.0 m/s), 0.1 m/s
(5.1 to 25.0 m/s); 0.01 km/hr (0.7 to 18 km/hr), 0.1 km/hr
(18 to 72 km/hr); 0.01 mph (0.5 to 11.20 mph), 0.1 mph
(11.2 to 44.7 mph); 0.01 knot (0.4 to 9.7 knots), 0.1 knot
(9.7 to 38.8 knots); 1 ft/min (40 to 3940 ft/min);
for temperature, 0.1 ºF or C
Sampling time options 0, 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800 or 3600 seconds
(0 seconds to 1 hour)
Settable parameters Date, time, auto power off, beep sound, sampling time,
decimal point or comma decimal division, temperature unit,
air speed unit, optional thermocouple type (K or J)
Storable/recallable readings Maximum, minimum
SD card capacity 1 GB to 16 GB
Operating temperature 32º to 122ºF (0º to 50ºC)
Operating relative humidity 0 to 85%
Power supply Six Alkaline “AA” batteries or optional 9-VDC AC adapter
Power consumption 30 mADC (normal operation, with backlight off and SD card
not saving data); 50 mADC (with backlight on and card saving
data)
Dimensions of instrument 7.99 x 2.99 x 1.50 in. (203 x 76 x 38mm)
Weight of instrument 1.13 lb. (515g)
Dimensions of probe 0.4724 in. (diameter) x 11.02 in. (collapsed)/37 in. (extended)
(12mm x 280mm/940mm)
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