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Tenmars TM-101 Digital Sound Level Meter With Alarm Function

Tenmars TM-101 Digital Sound Level Meter With Alarm Function

Brand:	TENMARS
Model:	TM-101

Product Description

Tenmars Sound Level Meter
(Model No.: TM- 101)
Quality Product ~ Made in Taiwan

Specifications

Display : 3 1/2 digits LCD
Display up data: 0.5sec
Standard applied : IEC651 Type651 Type 2, ANSI 1.4 Type 2
Frequency Range : 30Hz~8KHz
Measurement Item: SPL (Sound Pressure Level)
Frequency Weighting : A/C
Microphone : 1/2 inch Electret condenser microphone
Time Weighting : FAST(125mS), SLOW(1sec)
Test ranges: 30~130dB.
LO: 30~80dB
MED: 50~100dB
HI: 80~130dB
Accuracy : +/- 1.5dB (ref 94dB @ 1kHz)
Resolution : 0.1dB
Dynamic range : 50dB.
Alarm function : "OVER" is showing when input is more than upper limit of range. "UNDER" is showing when input is less than lower limit of range.
MAX/MIN hold : Hold reading the Maximum or Minimum value.
AC output : 1Vrms at the upper limit of each level range. (full scale)
DC output : 10mV/dB. output impedance approx. 100 ohm.
Output impedance : Approx. 50 ohm.
Low battery indication
Power supply 9V
Power life : About 30 hrs (alkaline battery)