Testo 0563 8155 Sound Level Meter, +32 to +130 dB Range, +/-1.0 dB Accuracy, 0.1 dB Resolution

Testo 815 Sound level meter. The ideal instrument for daily use. Whether it is for air conditioning or heating, machine noise or noise in combustion systems, testo 815 is the ideal partner. Testo 815 sound level measurement to DIN/IEC 60651, class 2. High accuracy (Class 2 to IEC 60651). Easy to adjust (adjustment screwdriver included). Frequency weighting in accordance with characteristic curve A and C. Maximum and minimum value memory. Built-in tripod knuckle screw (1/4"). Switchable time weighting fast/slow. Current value. Section measurement range. Measuring range: 32 to 130 dB. Accuracy +/- 1 digit: +/-1.0 dB. Resolution: 0.1 dB. Storage temperature: 14 to 140 degree F. Operating temperature: 32 to 104 degree F. Battery type: 9 volt battery. Battery life: 70 hr. Measures 10" length by 2-3/32" width by 1-11/16" height.