Page 1: ...ong time 5 00 not store or use the meter in high temperature high humidity flammable combustible or strong electromagnetic environment 6 Please use soft cloth and neutral detergent to clean the case f...
Page 2: ...han BO RH 40 50 not greater than 45 RH f Storage temperature and humidity _200 _60 0 not greater than BO RH 4 Electrical Specifications a Accuracy 1 5dB 1kHz Standard audio source Calibration period i...