QUEST M-28 Noise Logging Dosimeter 30 - 146 dB "A" and "C" UL Intrinsic Safety

one professional NOISE LOGGING DOSIMETER

Manuf.: QUEST Electronics / USA

Model: M-28

S/N GX0110009

with QUEST PN 59-847 Original Microphone -- 8 mm PZT ceramic special typewith QUEST Instructions Manual ( FULL COPY of ORIGINAL )  )

General description:

The microprocessor based M-28 Noise Logging Dosimeter can be used as a personal noise dosimeter, an area monitor and as a noise survey instrumentAs a community or airport monitor, it can monitor average, peak or maximum levels as every 10 seconds as well as calculate exceedance and day / night Levels.

Specifications:

Standards : ANSI  S14 - 1.25 and IEC 651 and 804UL Instrinsic Safety:  CLASS I to IIINoise Range total ( selectabel Compliance Ranges ): 30 to 146 dB total ....Different modes selectabel( 3dB Community Residental Noise....Community Traffis Noise ....OSHA Hearing Coservation ....OSHA Compliance.... Dept. of Defense..... Canada Industrial Noise Monitoring )Detector : true RMS; 63 dB pulse rangeWeighting Chracteristics: .....selectable..."A" or "C" .....20 Hz to 10 kHzDisplay . Liquid Crystal .01 to 2999Power Supply: single 9V ALKALINE - 80 hrs battery life - one NEW battery includedPrintout: RS-232 serial......or CENTRONICS Parallel

Instrument is in used, exccellent cosmetic condition and 100 % functional... comes out of GERMAN GOV LAB

Items delivered:

QUEST M-28 Noise Logging Dosimeter with new batteryQUEST Microphone PN 59-847QUEST Instruction Manual -  Full Copy of ORIGINAL -QUEST Transport Protection Box with Tripod Support Clamp ( see Photo )

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