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.
Features:
- 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
Martindale SP79 Class 2 Sound Level Meter
- 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