Features:

• 4 in 1 professional measuring instrument:
  Anemometer, Hygrometer, Thermometer, and Light Meter
• Tiny bone shape with lightweight and small size case design
• Low-friction ball bearing mounted wheel design provides high accuracy at high and low air velocity
• Exclusive photo diode and color correction filter light sensor, spectrum meets C.I.E. photopic
• High precision thin-film capacitance humidity sensor with fast response to humidity changes
• Standard type K (NiCr-NiAl) thermocouple input jack suitable for all kinds of type K probes
• Built-in microprocessor circuit assures excellent performance and accuracy
• Concise and compact arrangement for easy operation
• Memorize the maximum and minimum value with recall
• °C /°F selectable
• Lux/Feet-candle selectable
• Air velocity measuring units selectable
• Multi channel display for relative humidity and temperature

Specifications:

• Display: 8mm LCD display
• Anemometer, Humidity, Temperature, Light
• Air flow range: 80 to 5910 ft/min., 0.4 to 30.0 m/s, 0.9 to 67.0 mph, 1.4 to 108.0 km/hr, 0.8 to 58.3 knots
• Air flow resolution: 1 ft/min, 0.1 m/s, 0.1 mph
• Air flow accuracy: ≤ 20 m/s 3% FS, >20 m/s 4% FS
• Humidity range: 10 to 95% RH, resolution 0.1% RH
• Humidity accuracy: 4% RH
• Operating humidity: 80% Max
• Internal Temperature range: 0 to 50° C (32 to 122° F)
• Temperature resolution: 0 .1 °C/°F
• Internal Temp. Accuracy: ± 1.2°C (±2.5°F)
• Operating temperature: 0 to 50 C (32 to 122 F)
• K type range -100 to 1300°C (-148 to 2372°F)
• K type accuracy ± 1% + 1 °C (± 1% + 1.8°F)
• Light Measurement Ranges: 0 to 2200 Lux, 1800 to 20,000 Lux, 0 to 204.0 Fc, 170 to 2000 Fc
• Light resolution: 1 Lux, 10 Lux, 0.1 Ft-cd, 1 Ft-cd
• Light Accuracy: 5% rdg ± 8dgt.
• Weight: 160 g (9 volt battery included)
• Dimensions: 156 x 60 x 33 mm (6.14 x 2.36 x 1.29 inchs)

Notes:

*Optional Accessories: Carrying case,Temperature "K" Probe