Sound level testing with the SPM 1100: This measurement is becoming increasingly important

The digital sound level tester SPM 1100 fulfils all safety regulations and offers selection between automatic and manual
range selection. The internal background noise suppressionsystem guarantees precise measurement, even with severeambient noise. The device comes in a practical case and offersadjustable response times (fast/slow), the evaluation of A andC characteristic data as well as a maximum value hold function.AC/DC analog outputs and a USB interface for connection to a PC are included as standard.

Technical Data
Frequency measuring range 31: 5 Hz … 8 kHz
Accuracy: ± 1.4 dB
Measuring range A and C evaluation in 6 ranges: 30 ... 130 dB
Automatic range selection: 30 … 130 dB
Impulse response optional: fast (125ms) or slow (1s)
LCD display: 4-digit
Electret Condenser Microphone: 13 mm ?
Battery life (approx. operating hours) :30 h
Dimensions (WxHxD): 80 x 280 x 50 mm
Weight: 350 g