Martindale SP79 Class 2 Sound Level Meter

  • For industrial and office environments
  • Suitable for Noise at Work measurements
  • Complies with BS EN 61672-1:2003
  • A & C frequency weighting
  • Fast & slow time weighting
  • Optional SPC70 Class 2 Calibrator

EAN: 5036162187384 SKU: MARSP79 Category:


The SP79 is a Class 2 sound level meter for on-site measurements in accordance with Noise at Work legislation in industrial and office environments. Featuring A and C frequency weighting and fast and slow time weighting, the compact design can be handheld, or mounted on a tripod for longer term monitoring of Min / Max values. Detailed recording and analysis can be made using the AC and DC outputs.

The SP79 complies with BS EN 61672-1:2003 and is supplied with a detachable windshield and hard carry case. The large high contrast display includes both digital reading and analogue bar graph.

An optional Class 2 sound level calibrator is available to verify accuracy before and after readings in accordance with international standards. The SPC70 is simple to use and provides a 1kHz reference at 94dB and 114dB.


Measurement range 32-130dB
Measurement rate 2/second
Display 4 digit LCD
Resolution 0.1dB
Accuracy ± 1.4dB
Frequency weighting A and C
Frequency range 20Hz-8000Hz
Detector True-RMS with independent frequency weightings
Dynamic range 60dB
Time weighting SLOW & FAST
Microphone ½” electret condenser
Supply 6LR61/MN1604/PP3
Dimensions 285 x 55 x 25 mm
Includes windscreen, battery & case
Complies with BS EN 61672-1