Instruments & Machinery Sales Corporation offers Digital Sound Level Meters also called db meters. The display of these sound level meters is made up of 18mm LCD in 3 ½ - digit. Frequency weighing is designed to meet IEC-651 type. Condenser microphones are provided for high accuracy and long-term stability. The units have built-in adjust VR, available for easy calibration. These units are housed in strong ABS plastic case with small and lightweight 400grams. The complete unit works on DC 9V battery with power consumption of DC 6 mA approximately. Typical areas of use include: factories, traffic, radio speakers, etc, Quality inspection are applied for every kind of sounder, such as air-conditioner exhaust pipe, automobiles, Tvs or videos, public sanction for ventilation equipment, motor and noise inspection for factory quality control.
