INTEGRATING SOUND LEVEL METER – Model: SL-4035SD 記憶式積分噪音計

Technical Specifications:

– Display:

  – Type: Large LCD with green backlight

  – Size: 52 mm x 32 mm

– Measurement Functions:

  – Sound Pressure Level (SPL):

    – Range: 30 to 130 dB

    – Resolution: 0.1 dB

    – Accuracy: ±1.4 dB @ 1 kHz, 23 ± 5℃

    – Frequency Weighting: A & C weighting networks

    – Time Weighting: Fast (125 ms), Slow (1 s)

    – Measurement Types: SPL, Leq, Max, Min

    – Microphone: Electric condenser microphone, 12.7 mm DIA. (1/2 inch)

– General Specifications:

  – Circuit: Custom one-chip microprocessor LSI circuit

  – Calibration: Built-in external calibration VR, easy to calibrate on 94 dB level

  – Power Supply: DC 1.5V batteries (UM3, AA) x 6 PCs, or DC 9V adapter

  – Power Consumption: 

    – Normal operation (without SD card save data and LCD backlight off): Approx. DC 12 mA

    – With SD card save data and LCD backlight off: Approx. DC 51 mA

    – Additional power consumption with LCD backlight on: Approx. DC 30 mA

  – Operating Environment:

    – Temperature: 0 to 50℃

    – Humidity: Less than 80% RH

  – Dimensions: 245 x 68 x 45 mm (9.6 x 2.7 x 1.9 inch)

  – Weight: 489 g (1.08 lb)

– Data Logger: 

  – Automatic: 1 second to 3600 seconds

  – Manual: Push the data logger button once to save data

– SD Card Capacity: 1 GB to 16 GB

Accessories Included:

– Instruction Manual: 1 PC

– Hard Carrying Case: 1 PC