318 is a portable handheld class II (type 2) noise, sound level or sound pressure level (SPL) meter used for measuring sound in decibels (dB). The meter comes with a microphone windscreen and can be mounted on a tripod (tripod sold separately - see accessories). The device also features an analog AC / DC output (AC: 1 Vrms at full scale, DC: 10 mV DC / 1 db).
Sound Level Meter 318
Acoustic measurement range 30 ... 130 dB Level range selection 6 level ranges in 10 dB steps: 20 ... 80 dB, 30 ... 90 dB, 40 ... 100 dB, 50 ... 110 dB, 60 ... 120 dB, 70 ... 130 dB Resolution 0.1 dB Accuracy ±1.0 dB (ref. 94 dB at 1 kHz) Frequency range 31.5 Hz ... 8 kHz Time weighting Fast and slow Frequency weighting A and C Memory Up to 99 readings Output Analog, AC / DC Operating conditions -10 ... +50 °C / +14 ... +122 °F, less than 90% RH Storage conditions -10 ... +60 °C / +14 ... +140 °F, less than 75% RH Power 1 x 9 V battery Weight Approx. 260 g / 0.57 lb Dimensions Approx. 264 x 68 x 27 mm / 10.39 x 2.68 x 1.06" Standards IEC 61672-1: 2002 Class 2, IEC 60651: 1979 Type 2, ANSI S1.4: 1983 Type 2