Max. & Min. function.
Over & under range indication.
4-digit LCD with bar graph.
Frequency weighting characteristic for 2 times per second.
AC signal output.
Low battery indication.

Measuring ranges: Lo - 30dB~80dB, Med - 50dB~100dB, Hi - 80dB~130dB.
Accuracy: ± 1.5dB(at Reference Range).
Reference sound level & frequency: 94dB, 1kHz.
Resolution: 0.1dB.
Detector-indicator characteristic: Fast - 125ms Slow - 1s.
Analogue signal output: AC 1Vrms for each range Dimensions: 235(L) x 58.4(W) x 34(D)mm.
Weight (battery included): Approx. 220g.
Power source: 9V(6F22) × 1.
Safety standard: IEC 651 Type 2 & ANSI S1.4 Type 2, EN 61326-1.

Max. & Min. function.
Over & under range indication.
4-digit LCD with bar graph.
Frequency weighting characteristic for 2 times per second.
AC signal output.
Low battery indication.

Measuring ranges: Lo - 30dB~80dB, Med - 50dB~100dB, Hi - 80dB~130dB.
Accuracy: ± 1.5dB(at Reference Range).
Reference sound level & frequency: 94dB, 1kHz.
Resolution: 0.1dB.
Detector-indicator characteristic: Fast - 125ms Slow - 1s.
Analogue signal output: AC 1Vrms for each range Dimensions: 235(L) x 58.4(W) x 34(D)mm.
Weight (battery included): Approx. 220g.
Power source: 9V(6F22) × 1.
Safety standard: IEC 651 Type 2 & ANSI S1.4 Type 2, EN 61326-1.