Digital Sound Level Meter
Model KM 926
Features
• KM 926 designed according to the IEC 651 TYPE 2 & ANSI
S1.4 TYPE 2
for sound level meter.
• Instantaneous sound measure function.
• Measurement Range : 30 ~ 130decibel
• With two equivalent weighed sound pressure levels, A & C.
• Fast & Slow dynamic characteristic modes.
• AC & DC signed output for frequency analyzer level recorder,
FFT analyzer, graphic recorder etc.
General Specifications
• Digital Display 5 digits Backlight LCD display
• Measuring Range : 30 ~ 130 dBA, 40 ~ 130 dBc
• Level Ranges : 30 ~ 80 dB; 50 ~ 100 dB; 60 ~ 110 dB; 80 ~ 130dB
• Accuracy : ±1.5 dB (under reference conditions)
• Resolution : 0.1dB
• Frequancy range : 31.5 Hz ~ 8.5 KHz .
• Frequancy weighting : A & C .
• Linearity range : 50 dB .
• Sampling Frequency : 2 times / sec.
• AC / DC Output.
AC Output : 0.707 Vrms at FS output impedance approx 600W.
DC Out put : 10mV / dB output impedance approx. 100W.
• Bar Graph : 50 dB scale at 1 dB step for monitoring current sound pressure level display period : 50mS
• Microphone : 1 / 2 inch Electret Condenser microphone.
• Time weighting : Fast / Slow .
• Max Hold Function.
• Low battery indication.
• Over range indication : under indicate less than lower limit of the range.
• Self calibration time : 10 sec (every turn on)
• Operating Temperature : 0°C ~ 40°C; 10% ~ 80% RH.
• Storage Temperature : -10°C ~ 60°C; 10% ~ 70% RH.
• Power Supply : 9V Alkaline Battery or DC 9V Adaptor.
• Dimension : 220 x 67 x 32 mm
• Weight : approx. 210g. (including battery).