Casella · CEL-62x · Handheld sound level meter
CEL-620
CurrentSingle-range integrating sound level meter for occupational noise surveys, in Class 1 and Class 2 and as A (broadband) or B (real-time 1/1 octave) versions. Measures A, C and Z weightings and Fast, Slow and Impulse detectors at the same time, logs to 999 runs with audio notes, and appears as a memory drive over USB. Sold alone or in kits with a CEL-120 calibrator and Insight software.
Specifications verified on .
- Type
- Handheld sound level meter
- Class
- Class 1
- Channels
- 1
- Octave bands
- 1/1
- Connectivity
- USB 2.0 Mini-B (mass storage)
- Weight
- 295 g
- Battery life
- 20 h
Specifications
As published by Casella. Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| IEC 61672-1 class | Class 1 |
| Standards | IEC 61672:2013 class 1 or class 2, ANSI S1.4-1983 (R2006), ANSI S1.43-1997 (R2007), IEC 61260 class 1 (B models), ANSI S1.11-2004 (B models) |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | 20 to 140 dB RMS, single range |
| Peak range | up to 143.0 dB |
| Frequency weightings | A, C, Z |
| Time weightings | F, S, I |
| Simultaneous weightings | Yes |
| Parameters | LXY, LXYmax, LXYmin, LXeq, LXpeak, Lavg, LC-LA, LXIeq, LTM3, LTM5, LAE |
| Dosimetry | No |
| Exchange rates | 3 dB, 4 dB, 5 dB |
| Specification | Value |
|---|---|
| Octave bands | 1/1 |
| Octave band filter class | class 1 (IEC 61260), 11 bands 16 Hz to 16 kHz (B models) |
| Reverberation time | No |
| Building acoustics | No |
| Audio recording | Yes |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 s |
| Memory | 999 runs of up to 24 h; 33 h of audio notes; about 1 year at 1 s interval |
| Specification | Value |
|---|---|
| Microphone | 1/2" CEL-251 (class 1) or CEL-252 (class 2) |
| Detachable preamplifier | Yes |
| Display | 320 x 240 colour TFT, backlit |
| Battery | 3 x AA alkaline or rechargeable; external 9 to 14 V DC |
| Battery life | 20 h |
| Weight | 295 g |
| Dimensions (mm) | 72 x 229 x 31 |
| Operating temperature (°C) | -10 to 50 (class 1); 0 to 40 (class 2) |
| Specification | Value |
|---|---|
| Connectivity | USB 2.0 Mini-B (mass storage) |
| Software | Casella Insight |
Variants
| Variant | Difference |
|---|---|
| CEL-620A1 | Class 1, broadband |
| CEL-620A2 | Class 2, broadband |
| CEL-620B1 | Class 1 with real-time 1/1 octave band analysis |
| CEL-620B2 | Class 2 with real-time 1/1 octave band analysis |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Datasheet | CEL-620 Enhanced Sound Level Meter datasheet SM08006 v5.0 | |
| Product page | Casella 620 A1 Class 1 Hand Held Sound Level Meter |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference casella-cel-620).
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 sound level meter · Class 1 vs class 2, integrating vs non-integrating, parameters by application, options and licences, calibration.
- Class 1 vs class 2 sound level meters · IEC 61672-1 tolerances, what the classes do and do not say, and where each is typically required.
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