ST-109R Class 1 Integrating Sound Level Meter
This Integrating Sound Level Meter (ISLM) is IEC61672-1:2002 Class 1 compliant.
Application
- Evaluation of environmental noise
- Measurements of noise at workplaces
- Assessment of product noise
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
Specifications
- Dimensions:285x90x39mm(length x width x height).
- Weight: Approximately 500 grams.
| 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 | "f28dBA |
US 13240 
GB 10139 
CA 8747 
AU 8208 
IE 6558 
BR 4281 
NZ 2262 
CN 864 
