OMEGA HHEM-SD1 Handheld Air Speed, Temperature, Humidity & Light Meter (0~85% RH, 0~50°C, 0~20,000 lux, 0.4~25 m/s)

Display: 52 L x 38 mm H (2.05 x 1.5") LCD

Measurement Ranges:

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

Humidity: 0 to 85% RH

Temperature: 0 to 50°C (32 to 122°F); for RH, 10 to 95%

Light Level: 0 to 20,000 lux, 0 to 1860 ft-cd

Accuracy:

Air Speed: ±(2% + 0.2 m/sec), ±(2% + 0.8 km/hr), ±(2% + 0.4 mph), ±(2% + 0.4 knots), ±(2% + 40 ft/min) (%’s are of full scale)

Temperature: 1.5°F (±0.8°C)

Humidity: ±(3% of rdg + 1% FS) for RH values >70% ±3% of rdg for RH values <70%

Light Level: ±(5% of rdg ±8 digits)

Data Logging Sampling Time: 1 second to 1 hr.

Settable Parameters: Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, temperature unit, air speed unit, light level unit

Thermocouple Type: K or J (optional)

Storable/Recallable Readings: Max/min

Operating Temperature: 0 to 50°C (32 to 122°F)

Operating Relative Humidity: 0 to 85%

Power: 6 “AA” Alkaline batteries (included) or an optional 9 Vdc AC adaptor

Meter Dimensions: 135 H x 60 W x 33 mm D (5.31 x 2.36 x 1.30")

Weight of Meter: 515 g (1.13 lb)

Comes complete with combined probe for measuring temperature/humidity/air velocity and light level, 2 GB SD memory card, sturdy plastic case, six AA batteries and user manual.