Casella · dBadge · Noise dosimeter
dBadge CEL-35x
DiscontinuedFirst-generation Casella dBadge personal noise dosimeter (CEL-350, CEL-350L Lite and CEL-352 Plus), a cable-free badge weighing 68 g with an LCD, NiMH battery and infrared download to Casella Insight. The Plus model added simultaneous LCeq and LC-A for hearing protector selection; intrinsically safe versions were offered. Superseded in the current range by the dBadge2.
Specifications verified on .
- Type
- Noise dosimeter
- Channels
- 1
- Octave bands
- None
- Connectivity
- infrared (193200B cable)
- Weight
- 68 g
- Battery life
- 28 h
Specifications
As published by Casella. Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| Standards | IEC 61252:2002, BS EN 61252:1997, ANSI S1.25 |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | 65.0 to 140.3 dB(A) RMS |
| Linearity range | 65.0 to 140.3 dB(A) |
| Peak range | 95.0 to 143.3 dB (C or Z) |
| Frequency weightings | A, C, Z |
| Time weightings | F, S, I |
| Parameters | LAeq, LCeq (Plus), Lavg, LCpeak, LZpeak, LAE, LASmax, TWA, LEP,d, Pa2h |
| Dosimetry | Yes |
| Exchange rates | 3 dB, 5 dB |
| Intrinsically safe marking | ATEX I M1, II 1G, EEx ia IIC T2 (222 °C), EEx ia I; Ta -20 to +40 °C; microphone FM/CSA Class 1 Division 1 Groups A-D T2 (IS models) |
| Specification | Value |
|---|---|
| Octave bands | None |
| Reverberation time | No |
| Building acoustics | No |
| Audio recording | No |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 min |
| Specification | Value |
|---|---|
| Microphone | 1/2" CEL-252, 30 mV/Pa, type 2 |
| Detachable preamplifier | No |
| Display | LCD with blue/red alarm LED |
| Battery | internal NiMH; full charge under 90 min |
| Battery life | 28 h |
| Weight | 68 g |
| Dimensions (mm) | 72 x 47 x 52 |
| Operating temperature (°C) | 0 to 40 |
| Specification | Value |
|---|---|
| Connectivity | infrared (193200B cable) |
| Software | Casella Insight, dB35 |
| Latest firmware | 193026-01-15 (firmware file on support page) |
Variants
| Variant | Difference |
|---|---|
| CEL-350 | standard |
| CEL-350L | Lite, no time-history storage |
| CEL-352 | Plus, adds simultaneous LCeq and LC-A |
| CEL-350/IS, CEL-352/IS | intrinsically safe versions |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Manual | dBadge handbook HB3323-08, November 2015 | |
| Product page | 35x dBadge product support and documentation |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference casella-dbadge-cel-35x).
Verified owner reviews
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Known issues and firmware notes
Hardware and firmware problems reported by owners, with the firmware version concerned and any manufacturer response.
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Feature requests
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Read next
- How to choose a noise dosimeter · IEC 61252, exchange rates, criterion levels, badge vs cable, intrinsic safety, logging and audio.
- Sound level meter calibration and verification · Field calibration vs laboratory calibration, IEC 61672-3, ISO 17025, intervals, reading a certificate.
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