Sound Level Meters
CR:271 Digital Integrating Sound Level Meter
- Accuracy to IEC-651 (BS EN 60651) and IEC 804 (BS 6698) Type 2 "Precision" grade.
- Functions: SPL, Lmax, Leq, Lpeak
SPL/Lmax, Leq, Lpeak measured simultaneously
- Ranges: 27 to 140 dB(A) and 36 to 140 dB(C)
60 to 140 dB(C) for Lpeak.
- Slow, Fast and Impulse time weightings.
- A and C frequency weightings. Lpeak always C weighted.
- Amplitude weighting: true energy integration without time weighting (Q=3)
- AC 2.2. Volts for FSD (can be used with Jade 2) and log DC at 25mV/dB with continuous calibration from 27 to 140dB.
- 3.5 digit LCD with over range, over run, low battery, and display hold indicators.
- Removable preamplifier (MV:220A).
- Powered from 2 x 6LR61 9v cells. Approximately 40 hours use.
- Physical: 325mm x 75mm x 26mm, weight 430g
- Available individually or as a complete measurement kit.
Other sound level meters
Copyright © Ptolemy Services 2002
Most recent revision September 2002