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 standards

• International electrician committee standard: IEC PUB 651 TYPE2
• US national standard: ANSI S1.4 TYPE2

Sound Level Meter Features

• Factory calibrated
• Alarm symbol display for over and under min and max range
• Maximum value holding function
• Bar graph indication
• A & C frequency weight selection
• FAST & SLOW time weight selection
• AC/DC output terminal
• Low battery indication
• Equipped with sponge ball to filter out unwanted signals
• With tripod mounting hole

Sound Level Meter Specifications

• Measuring range: 30~130dBA, 35~130dBC
• Accuracy: ±1.5dB (under reference condition)
• Frequency range: 31.5Hz~8.5KHz
• Level range: 30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dB
• Linearity range: 50dB / 100dB
• Frequency weighting: A / C
• Digital display: 4 digits
• Resolution: 0.1dB
• Sampling rate: 2 times/second
• Bar graph: 50dB scale at 1 dB step for monitoring current sound pressure level display Sample rate: 20 times/sec
• Over indication: OVER / UNDER
• AC output: 0.707Vrms at FS output impedance approx. 600 ohm
• DC output: 10mV/dB, output impedance approx. 100ohm
• Time weighting: FAST / SLOW
• Microphone: ½ inch electret condenser microphone
• Power 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 humidity
• Storage environment: -10~40°C temperature / 0~70% RH humidity