| BRAND | Cem |
| Product | DT-8850 |
| Description | Sound Level Meter |
| Internal code | IMP1951134 |
| Weight | 0.255 |
| Technical specification | Standard applied IEC651 type 2 Frequency range 31.5Hz~8KHz Measuring level range 35~130dB Frequency weighting A/C Microphone 1/2 inch electret condenser microphone Calibration Electrical calibration with the internal oscillator(1kHz sine wave) Display LCD Digital display 4 digits Resolution 0.1dB Display Up data 0.5 sec. Time weighting FAST(125mS), SLOW(1 sec.) Level ranges Lo: 35-100dB Hi: 65-130dB Accuracy + 1.5dB (under reference conditions) Dynamic range 65dB Alarm function “OVER” is show when input is out of range Maximum hold Hold readings the Maximum Value, with decay < 1dB/3minutes.AC output 0.65 Vrms at FS(full scale), Output impedance: Approx.600Ω(FS: means the upper limit of each level range.) DC output 10mV/dB, output impedance approx. 100Ω Power supply One 9V battery, 006P or IEC 6F22 or NEDA 1604. Power life :About 50hrs(alkaline Battery) Operation temperature 0 to 40ºC(32 to 104ºF) Operation humidity 10 to 90%RH Storage temperature -10 to 60ºC( 14 to 140ºF) Storage humidity 10 to 75%RH Dimensions（LxWxD） 245X64X31mm |
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