Casella-cel CEL-181 Manual do Utilizador descarregar pdf (Página 13)

Casella USA

17 Old Nashua Road #15

Amherst, NH 03031-2839

8 Specification

Dynamic Range 63dB (40dB RMS plus 23dB crest factor)

Frequency Weightings 'A' as defined in relevant standards

Range Settings Absolute range coverage may be manufacturer preset within the span

50-145dB(A). Constant 30 dB between High and Low ranges.

Integration Law (q) Manufacturer preset (Exchange rate) 3, 4, 5 or 6

Linearity 0.5 dB

Display Five digit display giving resolution of count from 0.1% to 9.999%

Overload Indicators One sound level overload and one dose count over-run indicator

Battery Indicator Indicates both battery condition and that the instrument is switched ON

Controls Magnetically operated reeds for ON, OFF, DISPLAY and RESET functions.

Other controls secured under cover.

Battery PP3 (IEC 6F22, Neda type 1604) will provide 3 by 8 hour measurements.

Types MN 1603 and TR 146 will provide 16 x 4 hour measurements.

Reverse polarity protection

Microphone capsule Types CEL-181 are fitted with a 0.5 in diameter PZT microphone type BL 1802.

Types CEL-180 have a precision ½” measurement microphone CEL-186

Operational Environmental Limits

Temperature limits 0ºC to 50ºC and up to 95% RH

Storage limits -20ºC to +70ºC

Weight Approximately 230 grammes (8.2 oz)

Dimensions 134mm x 68mm x 25mm (5.4 x 2.7 x 1.0 in)

Accessories Included Presentation Case

Battery

Survey Pads

Allen Key

Screwdriver

Slide Rule

Magnet

Handbook

Recommended Additional Items

CEL-182 Dose Meter Calibrator

CEL-3482 Dose Meter Windscreen

www.casellausa.com Page 13 of 14 tel: (800) 366-2966

27 Jan 2006 fax: (603) 672-8053

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Casella-cel CEL-181 Manual do Utilizador Página 13