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Larson Davis · Spark · Noise dosimeter

Spark 706RC

Discontinued

Personal noise dosimeter with keypad and display from the Spark family, able to run standalone or act as remote control for the display-less 703+ and 705+ units. Four simultaneous dose set-ups, 4 MB memory, AA batteries and an infrared interface to Blaze software. No longer in the manufacturer's current dosimeter range, which lists the Spartan 730 and 730IS.

Specifications verified on .

Type
Noise dosimeter
Channels
1
Octave bands
None
Connectivity
infrared (DVX010 USB-to-IR module)
Battery life
100 h
Compare with other instrumentsAll noise dosimeters

Specifications

As published by Larson Davis. Fields the manufacturer does not publish are omitted rather than estimated.

Measurement — Spark 706RC
SpecificationValue
Channels1
Measurement range40 to 143 dB rms in four ranges
Peak range80 to 146 dB in four ranges
Frequency weightingsA, C
Time weightingsF, S
ParametersLeq, Lmax, Lpeak, Lmin, four time-weighted averages, Ln (1 to 99), Dose, projected Dose, SE (Pa2h), SEA
DosimetryYes
Exchange rates3 dB, 4 dB, 5 dB, 6 dB
Analysis — Spark 706RC
SpecificationValue
Octave bandsNone
Reverberation timeNo
Building acousticsNo
Audio recordingNo
Logging and data — Spark 706RC
SpecificationValue
Shortest logging interval1 s
Memory4 MB non-volatile
Hardware — Spark 706RC
SpecificationValue
Microphone3/8" (10.6 mm) MPR001 integrated microphone/preamplifier on 1 m cable
Detachable preamplifierNo
DisplayLCD with backlight (706RC only)
Battery2 x AA alkaline, NiCd or NiMH
Battery life100 h
Connectivity and software — Spark 706RC
SpecificationValue
Connectivityinfrared (DVX010 USB-to-IR module)
SoftwareBlaze

Variants

Variants of the Spark 706RC as the manufacturer names them
VariantDifference
706RCkeypad and display, two AA cells
703+no keypad or display, two AA cells, lightweight housing
705+no keypad or display, one AA cell, extruded metal housing

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
ManualSpark Noise Dosimeters and Blaze Software Technical Reference Manual I706.01 Rev J (2013)
Product pageNoise dosimeter support (current range lists Spartan 730 and 730IS only)

Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.

Spec out of date? Tell us (reference larson-davis-spark-706rc).

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

Functions owners would like to see in a firmware update or a successor model.

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