Features
- Readings display: two rows with maximum value at 1999.
- Lower power detection, backlight function, data lock function (HOLD)
- Auto power On/Off function
- Overload display: "OVER" or "UNDER"
- Power consumption at standby mode: 10uW
- Power consumption at operation mode: 250mW
Application
- Evaluation of environmental noise
- Measurements of noise at workplaces
- Assessment of product noise
Specifications
- Dimensions:285x90x39mm(length x width x height).
- Weight: Approximately 500 grams.
Electrical Specifications
Display Refresh Rate
One time per second
Major Applicable Standards
IEC 61672-1:2002 Class1
IEC60651:1979 TYPE 1
IEC60804:2000 TYPE 1
Microphone
High sensitivity,
½"pre-polarized capacitor microphone 50 mV/Pa
Measurement Items
Lxyp,Lxmax,Lxmin,Lxeq,LAE,Lcpeak
Measurement Range
30dB ~ 130dB (A)
35dB ~ 130dB (C)
40dB ~ 130dB (Z
Dynamic range : 60 dB
Measurement shift :
30dB ~ 90dB (L)
50dB ~ 110dB (M)
70dB ~ 130dB (H)
Integrate Time Setup:
Manual, 10s, 1m, 5m, 10m , 30m,
1h, 8h, 16h, 24h
Micro SD Card :
The max support capacity of
micro SD card is 32GB;
37,000 data about story space 300KB
Peak value measurement range : 70~133 dBC
Time Weighting : Fast, Slow, Impulse, Peak
Frequency Weighting : A/C/Z
Frequency Range : 20Hz~16KHz
DC Output : 10mV/1dB
AC Output : 1Vrms(±10%)/130dB each range
Starting Time: <10 Second
Thermal noise : ≦28dBA