Landtek Instruments Professional Digital Sound Level Meter 30 to 130db with Bluetooth (Optional)

         Standardisation: IEC651 Type 2, ANSI S1. 4 Type 2

     PC interface: Bluetooth + CD Software (Optional , not included , cost USD50 extra , contact seller if needed)

     Support WIN 8 ; Function: Lp, Leq, Lmax, LN. with Frequency range: 20.0 to 12,500Hz

     Frequency range: 20.0 to 12,500Hz / Frequency weighting: A, C and F (Flat)

     Alarm: electron, adjusable, 30-130dB set, LED and optional relay contact (NC) output

     Built-in calibration signals: 94dB at 1kHz (sinusoidal)

    Product description

    Great for noise pollution monitoring,factory,office,traffic, home theater setup,health and safety compliance,vehicle noise testing and audio system.

    Features

    Transfer data via Bluetooth connection

    Filters-out unwanted signals

    Bar graph & Over/under load Indication

    A freq. weighting (general sound level measurements), C freq. weighting (checking low-frequency content of sounds)

    AC/DC analog signal output for connecting to freq analyzer level recorder,FFT analyzer and graphic record

    Factory pre-calibrated

    Specifications

    Measuring Level: 30-130dB(A), 35-130dB(C)

    Level Range: 30-80dB ; 50-100dB ; 60-110dB ; 80-130dB ; 30-130dB

    PC interface: Bluetooth+CD Software

    Accuracy: +/-1.5dB (under reference conditions)

    Resolution: 0.1dB

    Range: 31.5Hz-8.5KHz (Frequency) ; 50dB/100dB (Linearity)50dB scale at 1dB step for monitoring current sound pressure level

    Sample Rate: 20times/sec

    Display: 4 digits

    AC Signal Output: 0.707Vrms at FS output impedance approx. 600(ohm)

    DC Signal Output: 10mV/dB, output impedance approx. 100(ohm)

    Time Weight: FAST / SLOW

    Mic: 1/2" Electronic Condenser mic

    Max hold function

    Environment 0-40°C, 10-80%RH (Operating) ; -10-60°C, 10-70%RH (Storage)

    Power: 4xAA 1.5V alkaline batt (included) or DC 6V 100mA (max DC9V) (not incl.)

    Batt Life: About 30hrs (alkaline batt)

    Size: 256x70x35mm

    Weight: 230g (excl. batt)

    Set Includes

    1 x Sound Level Meter

    1 x Windscreen / Sponge Ball

    1 x Shock Absorbent Carrying Case

    1 x English Manual

    1 x Standard Packaging Box

    Optional Accessories (Contact Customer Service )

      (Optional , not included , cost USD50 extra , contact seller if needed)

    1 x CD Software

    1 x Bluetooth