Precision Sound Level Meter

Precision sound level meters designed to meet IEC 61672-1 Class 2 with accuracy of 1.4dB. An electret condenser microphone ensures accurate and repeatable readings. A modern ergonomically shaped grip, high-intensity backlight and USB interface make these sound level meters extremely convenient to use.

The South-51 Sound Level Meter has a USB interface for real time download of readings to a PC. South-52 Data Logging Sound Level Meter can store up to 32,600 readings on the instrument, with a USB interface for download of stored readings to a PC.

Features:

• Auto ranging 30 to 130dB
• Manual ranges 30~80dB, 50~100dB, 80~130dB
• Large LCD display with function indicators, quasi-analogue bargraph and backlight
• User selectable A & C frequency weighting
• Fast or slow response
• Max/min & hold measurements
• Data logging for 32,600 readings (South-52)
• Data sampling interval can be set by the user from 1 second to 59 seconds (South-52)
• Over range and under range indication
• Low battery indication
• Auto power off after 15 mins of no activity
• Standard 4mm camera bush for tripod mounting
• USB interface for data transfer to a PC
• Analogue output AC: 1 Vrms, DC: 10mV per dB
• User calibration via a potentiometer using a standard sound level calibrator
• Supplied with battery, wind muffler, tripod, USB cable (2m), software & carry case

Technical Specifications

Range: 30 to 130dB
Resolution: 0.1dB
Accuracy: ±1.4dB
Frequency Range: 31.5Hz~8KHz
Power: 9V PP3 Battery ALR-61
Dimensions: 278 x 76 x 50mm
Weight: 350g

Calibration Certificate available (Please contact us for details)

• Calibration Certificate - Issued at 2 points: 94dB & 104dB at a frequency of 1KHz