Test Equipment & Instrumentation, Hire, Sales & Technical Services CEL254 Broad Band Sound Level Meter Home   CEL254 Broad Band Sound Level Meter Specification Accuracy IEC 60651 & ANSI S1.4 Type 2 Microphone type ¼ inch fixed electret Total measurement range (dB) 30 to 135 Measurement ranges (dB) 30 to 100, 65 to 135 Frequency weighting A & C Time weighting Slow & Fast & Impulsive Measured parameter Instantaneous level Maximum level Yes Display 3 ½ digit LCD, 12.7 mm character height Analogue ac output 7.25 V rms at FSD Analogue dc output 25 mV/dB Powered by 4 x AAA batteries Typical battery life (hours) 20 Low battery indicator Yes Size mm (in) 258 x 70 x 21, (10 x 2 ¾ x 7/8) Weight gm (oz) 230 (8 ¼) Top Of Page BACK TO:  Sound Level Indicators To add this site to your favourites click here Search this site     Test & Measurement Hire ltd, 16 Swordfish Close, Swordfish Business Park, Burscough, Lancs, L40 8JW  Phone is 0870 787 0105, Fax is 0870 787 0106 Contact : Hire Manager : Ken Carine Measurement House, Units 12/13 Harlaw Industrial Estate, Harlaw Way, Inverurie, Aberdeenshire, AB51 4SG Phone is 0870 787 0103, Fax is 0870 787 0104 Contact : Area Manager : Gordon Thow   Visit our Environmental Monitoring Services website