Optical / Device Monitoring Sound level meter Design and use: - frequency weighting following characteristic curves A and C - characteristic A weighting corresponds to the sound pressure felt by the human ear - characteristic C can weight low frequency proportions of a sound - for evaluating the noise level in everyday working life - for check measurements in the air-conditioning and heating sector or at incinerators - for evaluating the noise of machines or discotheques Delivery: Incl. screwdriver for calibration, draft shield and batteries Functions: - ON/OFF - Maximum/Minimum value memory - switchable time evaluation Fast/Slow - frequency weighting - level (sub range) 395017 Sound level meter Type 395017 Measuring range Frequency range Accuracy± 1 digitResolution Operatingtemperature°CStorage temperature°CBattery typeDimensions Weightmmkg 815 +32 to +130 dB 31,5 Hz to 8 kHz ± 1.0 dB 0.1 dB 0 to +40 °C -10 to +60 °C 9 V block 255 × 55 × 43 0.195 39 rpm counter Pocket-Line Design and use: - optical measurement of speed - max./min.values, units rpm/rps Delivery: With calibration certificate, wrist strap, belt bag, protection cap, reflective labels, batteries (alkaline 2 × AAA 20 hrs. battery life) 395020 optical Type 395020 Measuring rangerpm Accuracy% Resolutionrpm Operatingtemperature°CH×W×Dmm 460 100-29,999 +/- 0.02 of measured value 0.1 (100 - 1,000 rpm)+ 1 digit1.0 (1,000 - 29,999 rpm)0 - 50119 × 46 × 25 395022 Set of reflective markers (1 pack = 5 pieces, á 150 mm length) Type 395022 460 39/774 www.precitool.de