Ultrafiltration Membranes
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Digital Noise Dosimeter
Specifications
| Application | Industrial| Laboratory |
|---|---|
| Accuracy | 1.4 dB |
| Power Supply | Battery |
| Display | Digital |
| Model Number | SONUS GA257B |
| Memory | 16GB |
| Frequency Range (Hz) | 31.5 Hz - 8000 Hz |
| Measurement Range (dB) | 30-130 dB |
| Resolution (dB) | 0.1 dB |
| Long Interval | 1s To 24h |
| Short Interval | 10ms To 60m |
Key Features
- Bulk Quantities Available
Product Details
The SONUS GA257B is a dedicated basic Personal Noise dosimeter fully compliant with IEC 61252:1993, giving simultaneous sound exposure (Lep'd) and maximum peak (Zpeak) measurements, an essential feature for Noise at Work Regulations assessments.Parameters measured (both GA257B and GA257L):User selectable Exchange Rate (3dB, 4dB or 5dB)User selectable Criterion Level (75dB, 80dB, 85dB or 90dB)User selectable Threshold Level (-5dB, -10dB or OFF)Zpeak% DoseLep'd (Lex)% DOHR (Dose/Hour)Pa2h (Lep'd expressed in Pascals)Exposure TimeLockable KeypadConstructed from tough crack resistance plasticAdditional Information:Item Code: GA257
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