Model 14 Sound Level Meter User Manual
Technical Specification
A full technical user manual, including mandated rating plate information is available
upon request.
Standardisation: IEC 61672-1:2002 Class 2
IEC 60651:1979 Type 2 I
Measurement Range: 35dB(A) to 130dB(A)
40dB(C) to 130dB(C)
Range Information: L (Low) = 35dB(A) to 100dB(A)
> 100dB(A) = over range indicator
H (High) = 65dB(A) to 130dB(A)
< 65dB(A) = down range indicator
> 130dB(A) = over load indicator
Frequency Weighting: A & C Weighting to IEC 61672-1:2002 Class 2
Time Weighting: Fast to IEC 61672-1:2002 Class 2
Time constant 125mS
Display Functions: Normal (Sound Level), Maximum Hold
Measurement Functions: LAF, LCF, LAFMax, LCFMax
Display Flags: Over Load (Red Light)
Under range (Green Light)
Maximum Hold (HOLD)
Low battery (LOWBAT)
Reference Point: 94dB(A), 1000Hz on Low Range (L)
Display: 3 ½ digit LCD
Update rate of 1Hz
Resolution: 0.1dB
Electrical Outputs: AC Out Max output = 2V, output impedance 600Ohm
Power: 1 x 9V (6F22, PP3)
External DC Power, 7V to 10V
Microphone: ½” pre-polarised electret condenser type MK:268
Operating Temperature: -10°C to +50°C
Storage Temperature: -20°C to +60°C
Dimensions: Length 248mm, Width 66mm, Depth 30mm
Weight: 227gms (8oz) with battery
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