General Tools and Instruments DLAF930SD - Manual (Page 12)

Fig. 3. Typical Excel graphics-only screen
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 temperature, relative humidity (R.H.),
air speed, light level
Measurement range For temperature, 32 to 122ºF (0 to 50ºC); for R.H.,
0 to 95%; for air speed: 0.4 to 25 m/sec,
1.4 to 90 km/hr, 0.9 to 55.9 mph, 0.8 to
48.6 knots, 80 to 4930 ft/min; for light level:
0 to 20,000 lux, 0 to 1860 ft-cd
Measurement accuracy For temperature: ± 1.5ºF (± 0.8ºC); for humidity:
± (3% of reading + 1%) for R.H. values
ኑ70%;
± 3% of reading for R.H values <70%; for air speed:
± (2% + 0.2 m/sec), ± (2% + 0.8 km/hr),
± (2% + 0.4 mph), ± (2% + 0.4 knots),
± (2% + 40 ft/min); for light level,
± (5% of reading ± 8 digits)
Measurement resolution For temperature, 0.1ºF or °C; for humidity, 0.1% of
reading; for air speed: 0.1 ms, 0.1 km/hr, 0.1 mph,
0.1 knots, 1.0 ft/min; for light level: 1 lux, 0.1 ft-cd
Sampling time options 0, 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800 or
3600 seconds (0 seconds to 1 hour)
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