SL-5868N Digital Sound Level Meter — High-Accuracy (Class 2 IEC61672) 25dB~130dB (A)

The SL-5868N is a compact, high-accuracy sound level meter equipped with a 12.7mm (1/2') test condenser microphone. It offers frequency weighting choices of A, C and Lin(Linear), and measures within a 25dB~130dB (A) range. Range control is manual with three gears and a linear range > 60dB. Selectable testing ranges: 30dB~90dB (dynamic scale display 10~100); 50dB~110dB (dynamic scale display 30~120); 70dB~130dB (dynamic scale display 50~140). Performance complies with IEC61672 standard, class 2. Time weighting options include Fast (F) and Slow (S). For calibration use a class 1 sound level calibrator. Power is supplied by 4x1.5V AAA Size (UM-4) batteries; the meter also accepts external power 6V. Physical specs: weight 185g (Not Including Batteries) and dimensions 227x63x26 mm. Operating temperature range: -10~50°C. Standard accessories: Main Unit, Windscreen, Carrying Case (B04), Manual. Optional accessory: External power supply (6V).