SOUND LEVEL METER TENMARS SOUNDTEK ST-109

Specifications - Fast, Slow, Impulse, Peak response time. - Frequency range: 20Hz ~ 16KHz. - Measurement range: 30dB~ 130dB. ST-109 Class 1 Integrating Sound Level Meter Comply with IEC-61672-1 2002 Class1 Ideal for the assessment of - Environmental noise. - Noise at workplaces. - Product noise - Fast, Slow, Impulse, Peak response time. - Frequency range: 20Hz ~ 16KHz. - Measurement range: 30dB~ 130dB. - Dynamic range: 100dB. - A/ C/ Z frequency. - Data stored up to 32, 000 records, auto-mating transfer to micro SD card. - DC & AC Output. - USB interface. - Bargraph display SPECIFICATION: Display 3 1/ 2 digit backlit LCD display, maximum reading of 2000 Display refresh rate 1 time/ per second Applicable specifications - IEC 61672-1 : 2002 Class1 - ANSI S1.4 Type 1 - CNS NO.7129 Type 1 - JJG-188-2002 Class1 Microphone -/ + 1/ 2" pre-polarized condenser microphone build in preamplifier: -26 + / - 2dB ( 50mV/ Pa) , frequency range: 20 Hz~ 20 kHz, heat noise : < 28 dB( A) Measurement items 30dB ~ 130dB ( A) 35dB ~ 130dB ( C) 40dB ~ 130dB ( Z) Measurement range randomly, 10s, 1m, 5m, 10m, 30m, 1h, 2h, 4h, 8h, 16h, 24h Dynamic Range 100 dB Integrate Time Setup randomly, 10s, 1m, 5m, 10m, 30m, 1h, 2h, 4h, 8h, 16h, 24h Max. peak C sound level measurement 70~ 133 dB Time weighting Fast, Slow, Impulse, Peak Frequency weighting A/ C/ Z Frequency Range 20Hz~ 16KHz DC output 10mV/ dB AC output 2Vrms/ 130dB Battery Life 33 hours Power LR6 1.5V* 4 Alkaline batteries AC Adapter 100V~ 240V Dimensions 285( L) x 90( W) x 39( H) mm Weight 550g ( including Batteries)