Designed according to standards IEC651 (Type 2) and ANSI S1.4
(Type 2)
Calibration sound source 94dB @ 1KHz
Measurement range 30 – 130dB
Accuracy +1.5dB (reference sound pressure
standard, 94dB@1KHz)
Frequency Response 31.5Hz – 8.5KHz
Resolution 0.1dB
Measurement weighting A or C weighting
Bar graph display 2dB/Bar graph increment
Meter Response time Fast (125 milliseconds),
Slow (1 second)
Numeric Display Response Rate Fast (2 updates/second),
Slow (1 update/second)
AC signal output 2V(RMS) full scale (130 dB), out-
put impedance is approximately
600 Ohms
DC signal output 33mV/dB (per dB above 30dB
threshold detection level)
Power Source (4) AA (1.5V) batteries
(R6 or LR6 or GR6M)
Physical Dimensions 245mm x 70mm x 45 mm
Weight Approximately 240 grams
(with batteries)
