● The meter has been designed according to the IEC651 Type 2, ANSI S1.4 Type 2.
● Response frequency: 31.5Hz—8kHz.
● Accuracy: 30~60dB ±3 dB; 60~120dB ±2 dB.
● Resolution: 0.1 dB.
● Measurement range: 30—60dB, 50—80dB, 70—100dB, 90—120dB.
● Digital display: 4 digitals.
● Frequency weighting: A Type.
● Response time: Analog bar 125ms Digital 750ms.
● Microphone: Electret Condenser microphone.
● Power supply: DC1.5V(AAA)*3 .
● Operating temperature: 0 ~ +40℃.
● Operating humidity: 10 ~ 80%RH.
● Storage temperature:  -10 ~ +60℃.
● Storage humidity : 10 to 70%RH.
● Dimensions:  156(L)×60(W)×32(H) mm.
● Weight: Approx 150 g (including battery).

Product Features：

● automatic ranging / manual ranging selection.
● Analog bar indicator.
● Frequency weighting A Type.
● Range display.
● Automatic shutdown / continuous working mode selection.
● Low battery voltage indication.
● Sound OVER or UNDER display.
● Software calibrating to insure high reliability.
● Good circuit designed to save power.

Product Parameters：

Application and After-Sales Service：

Do not use the meter in a high temperature or wet place.
When you do not use for a long time, please take out batteries to avoid damaging the meter by electrolyte.
Auto-range measuring (30-120dB) is unfit for measuring instantaneous and impactive noise.
To measure sound level in a windy environment, please put windscreen on the microphone to avoid noise from wind.
If battery symbol is on the screen, it indicates voltage is low and must replace battery. Suggest you to use alkaline battery.
Do not measure when meter is vibrant.
After power off, to turn power on again, wait for two seconds.

Accessories：

DC1.5V (AAA) x 3pcs
String x 1pcs
Plastic box x 1pcs
Users manual x 1pcs
Windscreen x 1pcs
Name of parts:
1. Windscreen
2. Sound level sensor
3. LCD display
4. Function key

General Maintenance:

Do not clear the meter using alcohol and impregnant. if you do not use it for a long time, please take out the battery and place the instrument in a dry surrounding.