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TSI Quest · Sound Examiner · Handheld sound level meter

Quest Sound Examiner SE-400 series

Current

Single-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
Compare with other instrumentsAll handheld sound level meters

Specifications

As published by TSI Quest. Fields the manufacturer does not publish are omitted rather than estimated.

Standards and class — Quest Sound Examiner SE-400 series
SpecificationValue
StandardsIEC 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)
Measurement — Quest Sound Examiner SE-400 series
SpecificationValue
Channels1
Measurement range30 to 140 dBA (single range)
Linearity range110 dBA total dynamic range
Peak rangeMax peak level 143 dBA (sampled peak)
Frequency weightingsA, C, Z
Time weightingsF, S
ParametersSPL, Lmax, Lmin, Lpeak, Leq/Lavg, LE, elapsed time
Exchange rates3 dB, 4 dB, 5 dB
Intrinsically safe markingIS models: IECEx certificate 13.0006X, ATEX certificate 1210031X (EN/IEC 60079-0, 60079-11)
Analysis — Quest Sound Examiner SE-400 series
SpecificationValue
Octave bandsNone
Reverberation timeNo
Building acousticsNo
Audio recordingNo
Logging and data — Quest Sound Examiner SE-400 series
SpecificationValue
Shortest logging interval1 s
Memory2 MB internal (34 days at 1-minute logging)
Hardware — Quest Sound Examiner SE-400 series
SpecificationValue
MicrophoneClass 1: QE4936; Class 2: QE7052; 1/2" (13.2 mm) microphones
Detachable preamplifierYes
BatteryLithium polymer rechargeable, 2500 mAh (1500 mAh on IS models), USB charged
Battery life18 h
Weight367.5 g
Dimensions (mm)284 x 71 x 33 (with preamp and microphone)
Operating temperature (°C)-10 to 50
Connectivity and software — Quest Sound Examiner SE-400 series
SpecificationValue
ConnectivityUSB 2.0 (mini-USB), RS-232 (not on IS models), AC/DC output 3.5 mm (not on IS models)
SoftwareDetection Management Software (DMS)

Variants

Variants of the Quest Sound Examiner SE-400 series as the manufacturer names them
VariantDifference
SE-401Class/Type 1 with QE4936 microphone; removable preamp for remote microphone use; AC/DC output
SE-402Class/Type 2 with QE7052 microphone; AC/DC output
SE-402-RClass/Type 2 with removable preamp for remote microphone use
SE-401-IS / SE-402-ISClass 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

Manufacturer documents used for this record
KindDocumentAccessed
Product pageQuest Sound Examiner Sound Level Meters SE-400 Series
DatasheetSound 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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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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