SV 104BIS Intrinsically Safe Noise Dosimeter
The intrinsically safe dosimeter is a noise dosimeter designed by the ATEX directive and the IECEx performance specifications. The intrinsically safe dosimeter is typically used in occupational noise measurements in areas such as mines and petrochemical plants where it is necessary to secure intrinsic safety.
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Request a QuoteContact usThe dosimeter is covered by a 3-year warranty and a life-time warranty for the patented MEMS microphone. The intrinsically safe dosimeter uses a new type of docking station for fast data transfer and quick battery recharging.
The SV 104BIS is the newest version (2022) of an intrinsically safe noise dosimeter. Like its predecessor, the SV 104BIS is a cable-free dosimeter and is typically attached to the user’s shoulder, close to the ear using the mounting clips supplied.
Among the unique features of the new model, the software is automatic noise dose calculation, sound pressure level logging, audio recording, octave band frequency analysis, and auto-calibration. The new ATEX dosimeter has an 8GB memory and fast data transfer via new docking stations. The new Bluetooth® interface enables previewing current results on a mobile app.
SV 104BIS Specification
| Number of channels | 1 |
| Intrisic safety | |
| Self-vibration detection | |
| Auto-calibration | |
| Remote system check | |
| Keyboard lock | |
| Remote communication | |
| Bluetooth | |
| Communication Interfaces | Bluetooth, Electrical contacts (docking station required) |
| LED indicator | |
| Display | |
| Keyboard | 3 push buttons |
| Memory | 8 GB |
| Battery type | Li-Ion rechargeable cell |
| Operating time | 45 hours |
| Operating temperature range | -10 °C ÷ +50 °C |
| Humidity range | up to 90 % RH |
| Weight | 117 g |
| Size | 88 x 49.5 x 19.2 mm |
| IP rate | IP 65 |
| Docking station required |
Sound measurements features
| Standards | EC 61252 ed1.1 (2002); ANSI S1.25-1991 (R2007); Class 2 IEC 61672-1 ed2.0 (2013) |
| Type approvals | Yes |
| Microphone type | ST 104B MEMS |
| Preamplifier type | Integrated |
| Linear operating range to IEC 61672 | 53 dBA RMS ÷ 143 dBA Peak |
| Total measurement range | 46 dBA RMS ÷ 143 dBA Peak |
| Frequency range | 20 Hz ÷ 10 kHz |
| Weighting filters | A, C and Z |
| Time constants | Slow, Fast, Impulse |
| Exchange rates | 2, 3, 4, 5, 6 |
| Criterion levels | selectable |
| Profiles per channel | 3 with independent settings of filters (x) and time constants (y) |
| Min logging step | 1s |
| Statistics in octaves or third octaves | |
| Audio recording | option |
| Voice coments | |
| 1/1 octave | option |
| 1/3 octave | option |
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