Specification
Display: | 3½ digits LCD |
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Range: | 6 ranges in 10 dB step: 30 ~ 80 dB, 40 ~ 90 dB, 50 ~ 100 dB, 60 ~ 110 dB, 70 ~ 120 dB, 80 ~ 130 dB |
Auto Range: | 30 ~ 130 dB |
Accuracy: | ±1.5 dB |
Frequency: | 31.5 Hz to 8 KHz |
Microphone Size: | 6 mm (diameter) Electric Condenser Microphone |
Measurement Weightings: | Level A: 30 dB ~ 130 dB Level C: 35 dB ~ 130 dB |
Response: | Fast - readout is maximum value @0.2 seconds Slow - readout is maximum value @1.5 seconds |
Output Signal: | AC - 0.707 Vrms at full scale DC - 10 mV per dB |
Quasi-Analog Bar Indicator: | 1 dB display steps, 50dB display range, updated every 50 ms |
Operating Temperature: | 32 ~ 122°F (0 ~ 50°C) |
Operating Humidity: | 10 ~ 90% Relative Humidity |
Power Supply: | One 9V battery (approximate life: 20 hours alkaline) |