TSI Quest · Sound Examiner · Handheld sound level meter
Quest Sound Examiner SE-400 series
CurrentSingle-range integrating sound level meter for workplace noise surveys, offered as Class/Type 1 (SE-401) or Class/Type 2 (SE-402) with a 30 to 140 dBA span. Logs maximum, minimum and peak values at intervals down to 1 second to internal memory and downloads to Detection Management Software. Intrinsically safe -IS versions exist but are listed as currently unavailable.
Specifications verified on .
- Type
- Handheld sound level meter
- Channels
- 1
- Octave bands
- None
- Connectivity
- USB 2.0 (mini-USB), RS-232 (not on IS models), AC/DC output 3.5 mm (not on IS models)
- Weight
- 367.5 g
- Battery life
- 18 h
Specifications
As published by TSI Quest. Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| Standards | IEC 61672-1:2002 (class 1 or class 2 by model), ANSI S1.43-1997 (R2007), ANSI S1.4-1983 (R2006), EN/IEC 60079-0 and 60079-11 (IS models) |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | 30 to 140 dBA (single range) |
| Linearity range | 110 dBA total dynamic range |
| Peak range | Max peak level 143 dBA (sampled peak) |
| Frequency weightings | A, C, Z |
| Time weightings | F, S |
| Parameters | SPL, Lmax, Lmin, Lpeak, Leq/Lavg, LE, elapsed time |
| Exchange rates | 3 dB, 4 dB, 5 dB |
| Intrinsically safe marking | IS models: IECEx certificate 13.0006X, ATEX certificate 1210031X (EN/IEC 60079-0, 60079-11) |
| Specification | Value |
|---|---|
| Octave bands | None |
| Reverberation time | No |
| Building acoustics | No |
| Audio recording | No |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 s |
| Memory | 2 MB internal (34 days at 1-minute logging) |
| Specification | Value |
|---|---|
| Microphone | Class 1: QE4936; Class 2: QE7052; 1/2" (13.2 mm) microphones |
| Detachable preamplifier | Yes |
| Battery | Lithium polymer rechargeable, 2500 mAh (1500 mAh on IS models), USB charged |
| Battery life | 18 h |
| Weight | 367.5 g |
| Dimensions (mm) | 284 x 71 x 33 (with preamp and microphone) |
| Operating temperature (°C) | -10 to 50 |
| Specification | Value |
|---|---|
| Connectivity | USB 2.0 (mini-USB), RS-232 (not on IS models), AC/DC output 3.5 mm (not on IS models) |
| Software | Detection Management Software (DMS) |
Variants
| Variant | Difference |
|---|---|
| SE-401 | Class/Type 1 with QE4936 microphone; removable preamp for remote microphone use; AC/DC output |
| SE-402 | Class/Type 2 with QE7052 microphone; AC/DC output |
| SE-402-R | Class/Type 2 with removable preamp for remote microphone use |
| SE-401-IS / SE-402-IS | Class 1 / Class 2 with ATEX and IECEx intrinsic safety certification; 1500 mAh battery, 8 h run time, no AC/DC output or RS-232; listed as currently unavailable |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Quest Sound Examiner Sound Level Meters SE-400 Series | |
| Datasheet | Sound Examiner SE-400 Series spec sheet (P/N 5002172) |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference tsi-quest-sound-examiner-se-400).
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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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