| Measuring Channels |
Two |
| Parameters |
Lp, Leq, Lmax, Apeak, Cpeak, Zpeak, LE, L10, L90, Ln (user selectable), Measurement Run Time, Overload, Interval Duration |
| Linear Operating Range |
70dB |
| Frequency Weighting |
‘A’, ‘C’ and ‘Z’
Combinations of ‘A’, ‘A’&’C’ simultaneous or ‘A’&’Z’ simultaneous available for Lp, Leq and Lmax |
| Time Weighting |
‘Slow’, ’Fast’ and ‘Impulse’ |
| Percentiles |
L10, L90 and either L1 , L5 , L50 , L95 , L99 |
| Memory |
2100 Data Intervals Maximum in one or multiple recordings |
| Microphone (Type Free Field) |
ACO 7146 pre-polarized ½” condenser microphone, 50mV/Pa |
| Microphone Preamplifier |
Low Noise, Removable Preamplifier |
| Noise Floor |
GA116L: <12.0dB(A) , <12.0dBC , <14.5dB(Z) |
| Display |
Alphanumeric LCD with Contrast Control, digit size 7mm x 5mm |
| Batteries |
1 x PP3 (9V) - Typically 12 hours continuous use |
| External Power |
12v - 18v via Multi Purpose I/O Socket |
| Connections |
9 Pin Multi Purpose I/O Socket for: -
USB (Cable Supplied), AC Output, External Power |
| Environmental |
Temperature Operating Range: -10 to + 50ºC
Humidity: Up to 90% RH Non Condensing |
| Electromagnetic Compatibility |
IEC 61672-1 : 2002 |
| Case |
High Impact ABS plastic with membrane keypad |