Beha-Amprobe | SM-20A

Digital sound level meter with PC USB interface, 30-130 dB, 31.5Hz-8kHz

Reference : AMPSM-20A
Serie : SM-20, SM20
Purchase Order Reference : SM-20A
Brand : Beha-Amprobe
Sonomètre numérique, conforme IEC651 type 2.
Interface USB pour connexion PC.
Enregistreur interne de 14 000 mesures.
Courbes de pondération: A et C.
Gamme de mesures: 30-130 dB (pondération A); 35-130 dB (pondération C).
Fréquences: 31.5 Hz - 8 kHz.
2 modes d'intégrations: lent et rapide.
Microphone à condenseur 1/2".
Enregistrement Min/Max.
Résolution: 0.1 dB.
Précision: +-1.5 dB.
Filetage pour trépied.
Calibration semi-automatique via un calibrateur 94dB/1kHz.
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Quick quote for this product
Amprobe  SM-20A

The Amprobe SM-20 Sound Level Meter has been designed for audible sound level measurements. The A weighting is for general noise sound level and the C weighting is for measuring sound level of acoustic material control in various environments (ie 94dB 1 kHz etc...). The SM-20 conforms to the IEC651 Type 2.ANSI S1.4 Type 2. and JISC1502 requirements for Sound Level Meters. Which means the SM-20 uses two different weighting filters required by the IEC 651 and ANSI S1.4 Type 2: The A-Weighting and the C Weighting audio filtering.

  • Designed to meet the measurement requirements of Safety Engineers. Health. Industrial safety offices and quality control in various environments.
  • A and C weightings for checking compliance with safety regulations as well as acoustic analysis
  • Measuring ranges: A Weighting 30~130dB. C Weighting 35~130dB
  • Frequency range: 31.5Hz~8KHz
  • Display with 0.1dB steps on a 4 digit LCD
  • Slow (1 sec) and fast (125ms) response settings to check peak and average noise levels
  • MAX/MIN recording
  • Internal memory. 14.000 records
  • Recording intervals from 1 second to 8 hours
  • PC computer download capabilities
  • Data Hold to freeze reading on digital display
  • CE. designed to meet IEC651 Type2. ANSI S1.4 Type2


 F E A T U R E S

Battery Life:     Approx. 50 hrs (alkaline Battery)
Size:     200 x 55 x 38 mm (7.8 x 2.2 x 1.5 in)
Weight:     233g. (0.5 lb.) Including battery
Safety:     CE-EMC


Display:    4 digits LCD
Microphone:    1/2 inch Electret condenser microphone
Power Supply:    9V NEDA 1604. IEC 6F22. JIS 006P battery
Auto Power Off:    Approx. 5 min
Environment:    Indoor operation. < 2000 m
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


Product Details
41-Standard Manufacturer Warranty 1 YEAR
295-Accuracy class (Meets IEC 61672-1) "Sound indicator" (no class)
660-Integrator Yes
661-Recorder Yes
663-Memory Internal
127-Resolution (dB) 0.1 dB
45-PC interface USB
122-Frequency Weighting (Type) A (Human) | C (Industrial)
296-Parameter measured Equivalent sound level - Leq | Level of maximum instantaneous sound pressure - Lmax | Level of minimum instantaneous sound pressure - Lmin
126-Max Sound Frequency Range (Hz) 8 kHz
125-Min Sound Frequency Range (Hz) 31.5 kHz
123-Min Measurement Range (dB) 30 dB (A weighting); 35 dB (C weighting)
124-Max Measurement Range (dB) 130 dB
36-Additional Characteristics
  • Enregistrement jusqu'à 14000 mesures.
  • Interface PC USB.
  • Conforme IEC 651 Type2, ANSI 1.4 Type 2
132-Package includes Mallette de transport, boule anti-vent, manuel utilisateur multilangues, pile 9V, câble USB, logiciel PC
35-Dimension (HxWxD) (mm) 200x55x38 mm
13-Net Weight 233 g
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