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.