Factory Calibrated Standards Compliant Sound Level Meter

This Sound Level Meter is designed to meet the measurement requirements of safety engineers in health and industrial dafety fields and in other various environments where sound quality control is needed, such as in a factory, home, office, traffic road, theatre and more.It is designed to meet or exceed the following standardsInternational electrician committee standard: IEC PUB 651 TYPE2US national standard: ANSI S1.4 TYPE2Sound Level Meter FeaturesFactory calibratedAlarm symbol display for over and under min and max rangeMaximum value holding functionBar graph indicationA & C frequency weight selectionFAST & SLOW time weight selectionAC/DC output terminalLow battery indicationEquipped with sponge ball to filter out unwanted signalsWith tripod mounting holeSound Level Meter SpecificationsMeasuring 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 / CDigital display: 4 digitsResolution: 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 Supply: 4 x 1.5V AA battery or DC 6V 100mA (maximum DC9V)Power life: about 30 hours (alkaline battery)Operating environment: 0~40°C temperature / 10~85%RH humidityStorage environment: -10~40°C temperature / 0~70% RH humidity SKU: 152 Category: Sound Level Meters Brand: AZInstruments