REED C-322 Instruction Manual

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REED C-322 Instruction Manual Manual pdf 5 page image

reedinstrumentswww com Specifications:Standards: IEC651 Type2, ANSI S1.4 Type2Frequency Range: 31.5Hz to 8KHzMeasuring Level Range: 30 ~ 130dBFrequency Weighting: A/CMicrophone: 1/2” electret condenser microphoneDisplay: LCDDigital Display: 4 digitsResolution: 0.1dBDisplay Update: 0.5 secondsAnalog Display: 50 segment bargraphResolution: 1dBDisplay Update: 50 mSTime Weighting: FAST (125mS), SLOW (1 sec.)Level Ranges: Lo : 30 – 80 dBMed: 50 – 100 dBHi: 80 – 130 dBAuto: 30 to 130 dBAccuracy: ±1.5dB (under reference conditions@ 94dB, 1KHz)Dynamic range: 100 dBAlarm function: “OVER” is when input is more than theupper limit of range“UNDER” is when input is less than thelower limit of rangeMAX/MIN Hold: Holds the Maximum & Minimum value readingsAC output: 1 Vrms at FS (full scale)Output impedance: Approx. 100ΩFS: means the upper limit of each level rangecontinued ...