GAIN EXPRESS Decibel Meter Digital Sound Level Meter Professional LCD Sound Noise Meter with 30dB to 130dB A/C Frequency Weighting, for Indoor and Outdoor Measurement

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GAIN EXPRESS Decibel Meter Digital Sound Level Features

• MEASURING RANGE: 30~130dBA or 35~130dBC (A & C Frequency weighting and Fast or Slow Time weigting selection)

• FEATURES: Bar graph indication, low battery indication, tripod mounting hole, includes sponge ball to filter-out unwanted signals, alarm symbol display for over and under min and max range and Factory Pre-calibrated

• STANDARD APPROVAL: IEC PUB 651 TYPE2 (International electrician committee) and ANSI S1.4 TYPE2 (US national standard)

• PROTECTIVE CASE: It comes with carrying case so the unit is well protected, making it safe to bring anywhere for measurement and monitoring.

• APPLICATION: perfect tool in noise level monitoring in factory, home, office, theater, audio system, road, airport, concert hall etc.

About GAIN EXPRESS Decibel Meter Digital Sound Level

Sound Level Meter is designed to meet the measurement requirements of Safety Engineers in Health Industrial Safety fields and in other various environmentFeatures:Designed to meet the following standards: International electrician committee standard: IEC PUB 651 TYPE2US national standard: ANSI S1.4 TYPE2Factory Pre-calibratedBar graph indicationFAST & SLOW time weight selectionEquipped with sponge ball to filter-out unwanted signalsWith tripod mounting holeSpecifications:Measuring range: 30~130dBA, 35~130dBCAccuracy: ±1.5dB (under reference condition)Frequency range: 31.5Hz~8.5KHzLevel range: 30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dBLinearity range: 50dB / 100dBFrequency weighting: A / CResolution: 0.1dBSampling rate: 2 times/secondBar graph: 50dB scale at 1 dB step for monitoring current sound pressure level display sample rate: 20 times/secOver indication: OVER / UNDERAC output: 0.707Vrms at FS output impedance approx. 600 ohmDC output: 10mV/dB, output impedance approx. 100ohmTime weighting: FAST / SLOWMicrophone: ½ inch electret condenser microphonePower life: about 30 hours (alkaline battery)Operating environment: 0~40°C temperature / 10~85%RH humidityStorage environment: -10~40°C temperature / 0~70% RH humiditySet Includes:1 x Sound Level Meter1 x Sponge Ball (Windscreen Filter)1 x AC output wire1 x English Operation Manual4 x 1.5 AA Alkaline BatteriesCarrying CaseStandard Factory Packaging