Amprobe SM20A Sound Meter

£330.40 Inc VAT: £396.48

    Calibration Certificate

    Add a 12 month Calibration Certificate

    SKU SM20A Categories , Brand:


    Amprobe SM20A Sound Meter

    The Amprobe SM20A Sound Meter is a portable sound level meter (type 2) that is made for use by safety engineers, health professionals, industrial safety officers and for use in quality control. It is suitable for use in multiple environments and includes wide measurement range in order to accommodate for this.

    This type 2 sound meter features A and C weighting, allowing it to comply with safety regulations and also to be used for acoustic analysis. When using A weighting the measurement range of the SM-20-A is 30-130dB and when using C weighting the measurement range is 35-130dB. The frequency range of this sound meter is 31.5Hz – 8kHz.

    The SM-20-A is ideal for use either as a single measurement tool or alternatively can be used over an extended time period by using the tester’s in-built memory to store testing data. This can store up to 14000 records with settable recording intervals from 1 second to 8 hours and the data can also be downloaded to PC in order to interact with data further.

    Additional features of the SM-20-A includes slow and fast response settings, MAX/MIN recordings and a data holding function

    This product is CE rated and is designed to meet IEC651 type 2 and ANSI S1.4 type 2 standards.

    Amprobe SM-20-A Technical Specifications

    General Specifications
    Display 4 digits LCD
    Microphone 1/2 inch Electret condenser microphone
    Low Battery Indication Replace battery when LCD displays symbol
    Power Supply 9V NEDA 1604, IEC 6F22, JIS 006P battery
    Battery Life Approx. 50 hrs (alkaline Battery)
    Auto Power Off Approx. 5 min
    Environment Indoor operation, < 2000 m
    Operation 5°C to 40°C (41°F to 104°F); < 80% RH
    Storage -10°C to 60°C (14°F to 140°F); < 70% RH
    Dimension 200 x 55 x 38 mm (7.8 x 2.2 x 1.5 in)
    Weight 233g. (0.5 lb.) including battery
    Electrical (Audio)
    Standard Applied IEC 651 Type2, ANSI 1.4 Type 2
    Dynamic Range 50 dB
    Resolution 0.1 dB, Display Update: 0.5 sec.
    Time Weighting FAST(125mS), SLOW(1 sec)
    Frequency Range 31.5 Hz to 8 kHz
    Measuring Level Range (Auto Range)
    A Weighting: 30 to 130 dB
    C Weighting: 35 to 130 dB
    Accuracy ± 1.5 dB
    Calibration Cycle 1 year
    • Ideal for use in multiple environments
    • Datalogging sound meter stores up to 14000 records
    • Settable recording interval from 1 second to 8 hours
    • Portable and lightweight
    • A and C weight
    • A measurement range: 30-130dB
    • C measurement range: 35-130dB
    • Display with 0.1dB steps on 4 digit LCD
    • Slow (1 second) and fast (125ms) response settings to check peak and average noise levels
    • MAX/MIN recording
    • PC download function
    • Data hold
    • Amprobe SM-20-A Type 2 Sound Meter
    • Carrying Case
    • User Manual
    • Installed Battery
    • USB Cable
    • Software CD