INTRODUCTION
| MEWOI1354/1355 personal noise dosimeter is a test equipment to evaluate the noise condition of working environment by measuring the accumulated noise exposure.With this test data, company can ensure the related noise regulation is followed or decide whether or not to apply certain noise reduction action to avoid the accoustic trauma and noise-induced hearing loss occurs to the working personnel. |
TECHNICAL SPECIFICATION
| Model | MEWOI1354 | MEWOI1355 |
| Applicable standards | Sound Exposure Meter / DOSimeter StandardS IEC 61252 : 2000 , ANSI 51 _ 25 : 1992 for dOSlmeterS and sound exposure meters | |
| Digital display | 0~9999%DOSE | |
| Criterion level | 80, 84, 85, 90dB Selectable | |
| Threshold level | Selectable from 70 to 90dB, 1dB step | |
| Exchange rate | Selectable 3dB, 4dB, 5dB or 6dB | |
| High level Detector | 115dBA | |
| Peak Flag | 140dB | |
| Measuring range | 70-140dBA | |
| Accuracy | ±1.5dB ref. 94dB @1KHz | |
| RS232 | Not provided | Provided |
| Realtime Clock | Not provided | Provided |
| Resolution | 0.1dB | |
| Frequency Response | 20Hz-10KHz | |
| Frequency weighting | A | |
| Time weighting | FAST , SLOW Selectable | |
| Microphone | 1/2 inch electret condenser microphone | |
| Operating temperature&Humidity | 0 – 50ºC (32 to 122ºF) ,10 – 90%RH | |
| Storage Temperature & Humidity | -10 – 60ºC(14 to 140ºF) ,10 – 75%RH | |
| Power supply | 4pcs size AAA Alkaline Battery | |
| Battery life | About 40 hours | About 32 hours |
| Dimensions | 106(L)×64(W)×34(H)mm | |
| Event | Not provided | Stores data up to 5 separate events |
| Weight | approx. 350g (include batteries) | |
| Accessories | Instruction Manual,Carrying Case,Batteries,Calibration Screwdriver, | Instruction manual, CD Software(1355), RS-232 Cable(1355) ,Carrying case, batteries, Calibration Screwdriver, |
| Optional Sound level Calibrator | TES-1356, 5 events sturage for TES-1355 only | |