Lutron Electronics EM-1910, Operation Manual, Page: 5 / 16

2-2 Electrical Specification ( 23 ±5℃ )
Sound level meter.
Measurement 35 - 130 dB.
Range
Resolution
0.1 dB.
Function Data hold
Record ( Max., Min. ).
Accuracy Characteristics of "A" frequency weighting network
(23 ±5
℃
) meet IEC 61672-2013 class 2 Under 94 dB input
signal, the accuracy are :
31.5 Hz ±3.0 dB
63 Hz ±2.0 dB
125 Hz ±1.5 dB
250 Hz ±1.5 dB
500 Hz ±1.5 dB
1 K Hz ±1.0 dB
2 K Hz ±2.0 dB
4 K Hz ±3.0 dB
8 K Hz ±5.0 dB
Remark :
The above spec. are tested under the
environment RF Field Strength less
than 3 V/M & frequency less than 30
MHz only.
Frequency 31.5 to 8,000 Hz.
Microphone type Electric condenser microphone.
Microphone size Out size, 12.7 mm DIA. ( 1/2 inch).
3