£263.00 ex VAT | £315.60 Inc VAT
For calibration of all Sper Scientific digital sound meters and any sound meter with 1″ or ½” microphone. Conforms to ANSI S1.4-1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Simply place the calibrator on to the digital sound meter’s microphone, turn on the calibrator, and adjust the meter’s reading to either 94 or 114 dB. Comes with a carrying case, adaptors for 1/2″ and 1″ microphones, instructions and a 9 volt battery.