Specification :

Standars
Type 2 . ANSI S1.43-1997, ANSI S1.4 1983 ( R1997 ) IEC 60651-1992, EN 60651, IEC 60804 -1985, EN 60804, CE Mark, ETL, Intrinsic Safety, CSA Interinsic Safety, IEC 61672-1

Measurements Range
30 to 140 dBA SPL 43 to 143 dBA Peak

Weighting A, C, or Z

Meter Response Fast, Slow, Impulse or Peak

Microphone Field
replaceable 0.5� inch pre-polarized condenser ( electret ) microphone

AC/ DC Output
Both AC/ DC outputs are provided through a single 3.5 mm stereo jack. DC output impedance is 1000 ohm. Each 0.167 V change equals 10 dB ( 1V/ 60 dB) . AC Output impedance is 1000 ohm AC Output is amplified weighted input to RMS Detector

Temperature
Operating : -10 oC to 50 oC Storage : -20 oC to 60 o C ( Less Batteries)

Humidity Range 0 to 95 % Relative humidity, non condensing

Effects of Electromagnetic Field
Negligible

Batteries
One 9 Volt alkaline battery, approximatelly 25 hours

Size 2.8 " x 7.0 " x 1.3 " ( 7.1 x 17.8 x 3.3 cm ) not including 0.5 " microphone height

Weight 10.3 oz ( 293 gram )