Applied standard

IEC61672-1 CLASS2

Accuracy

±2.0dB

Display

4digts 

Resolution

0.1dB

Frequency response

31.5Hz~8kHz

Measurement range

Auto:35dB~130dB

Frequency weighting

dBA

Microphone

1/2 inch Electric condenser microphone

Light

Measuring range

0 Lux~200K Lux, 0Fc~20KFc

Spectral response

CIE photopic(CIE human eye response curve) 

Spectral accuracy

CIE V?function f1’<=6%

Cosine response 

f2’<=2%

Accuracy

±4% rdg±0.5%f.s.(<10,000Lux)

±5% rdg±10dgts.(>10,000Lux)

Photo detector

One silicon photo diode with filter

Air velocity

Air velocity range

0.5m/s~30.0m/s

Air velocity accuracy

±(3%±0.3d)

Measurement units

m/s, km/h, ft/min, knots, Mph,

Temperature

Measurement range 

-40~70°C(-40~158°F)

Accuracy

±2.0°C,±3.6°F

Measurement units

°C /°F

Resolution

0.1

Humidity

Measurement range 

10~95%RH

Accuracy

±5RH%

Resolution

0.1

Data update

1 time/sec

Maximum value

MAX

Minimum value

MIN

Data Hold

HOLD

Auto power off

Automatically power off after approx. 15 minutes of inactivity 

Power supply

one 9V battery with type of 006P,NEDA1604 or IEC6F22 

Battery life

About 30 hours

Operating condition

-20°C~60°C,10%RH~90%RH

Storage condition

-40°C~60°C,10%RH~75%RH

Dimensions 

252 (L) *66 (W) *33(H) mm

Weight

568g