This sound level meter provides automatic ranging from 60 to 126dB grate for EVP work and locating raps and tapping on locations. The meter allows you to select between a fast and slow response time as well as A and C weighting.
Accuracy ..........?2dB@114dB
Standard ..........0 dB = 0.0002?bar
Weighting..........A and C
Response...........Fast and slow
Signal Output......1.0 volt(peak)
minimum into open circuit, with full-scale meter deflection at 1 kHz
Load Impedance.....10 kohm minimum
Distortion ........Less than 2%at 1 kHz 0.5-Volt
Microphone.........Electret condenser
omnidirectinal becoming slightly directional with increase in frequency
Battery............One 9-volt rectangual type
