6 - AC and DC signed output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
Technical Specifications
1 - Accuracy: +/- 1.5 dB (under reference conditions)
2 - Frequency range: 31.5 Hz to 8.5K Hz
3 - Linearity range: 50 dB
4 - Measuring level: 30 130 dBA, 35-130 dBC
5 - Frequency weighting: A, C
6 - Digital display: 5 digits
Resolution 0.1dB
Display 0.5 secretary
7 - Bar graph: 50 dB scale at 1 dB step for monitoring current sound pressure level display period: 50 mS
8 - Level ranges 30-80 dB 50-100 dB 60-110 dB 80-130 dB
9 - Over indicate over range:
Under indicate less than lower limit of the range.
10 - AC output: 0.707 Vrms at FS output impendance approx 600
11 - DC output: 10 mV / dB output impedance approx 100
12 - Time weighting: Fast / Slow
13 - Microphone: 1/2 inch Electret Condenser microphone
14 - Max: Maximum hold
15 - Power supply: 4*AA 1.5V alkaline cells or DC 6V
100(Maximum DC 9V)
Power life: About 30 hrs (calkaline cells)
16 - Self calibration time: 10 sec (every turn on)
17 - Operating Temperature: 0 to 40'C
Operating Humidity: 10% to 80% RH
18 - Storage Temperature: -10 to 60'C
Storage Humidity: 10% to 70%RH
19 - Dimensions: 265(L)*72(W)*35 (H) mm
20 - Weight: 300g (including batteries)
