Power Noise Test Tool [LM-A824]

Description Please read this operation manual carefully before using this equipment for correct operations.This equipment have been designed to meet the measurement requirement of safety engineers,health,industial safety offices and sound quality control in various environment. Specification:
Features
1)This unit was designed according to the IEC651 TYPE2&ANSIS1.4 TYPE2 for sound level meters.
2)instantaneous sound measure function.
3) Measurement range:30-130 decibel
4) With two equivalent weighted sound pressure levels,A and C.
5) Fast&slow dynamic characteristic modes.
6) AC and DC signed output for frequency analyzer levelre corder,FFT analyzer,graphic recorder etc.
Specifications:
1)Accurancy:+/-1.5 dB(under reference conditions)
2)Frequency range:31.5Hz to 8.5KHz
3)Linearity range:50 Db
4)Measuring level:30-130dBA,35-130dBC
5)Frequency weighting:A,C
6)Digital display:5 digits
Rwsolution:0.1dB
Display:0.5 secrtary
7)Bargraph:50dB scale at 1dB step for monitoring current sound pressure level display period:50 mS.
8)Level ranges: 30-80Db;50-100dB;60-110Db; 80-130Db
9)Over indicate over range:
Under indicate less than lower limit of the range.
10)AC output:0.707Vrms at FS output impendance approx 600
11)DC output:10mV /dB output impedance approx100
12)Tim weighting:Fast/slow
13)Microphone:1/2 inch electret condenser microphone
14)Max:Maximum hold
15)Power supply:4XAA1.5V alkaline cells or DC 6V
100(Maximum DC 9v)
Power life:about30 hrs(calkaline cells)
16)Self calibration time:10 sec(every turn on)
17)Operating Temperature:0 to 40
Operating Humidity:10% to 80% RH
18)Storage temperature:-10 to 60
Storage Humidity:10% to 70%RH
19)Dimensions:265(L)X72(W)X35(H)mm
20)Weight:300g(including batteries)
Cactions
Do not operate the unit at high temprature and Humidity envirnment. Please take out battery from unit if not in use for any extended period of time.
Once using the unit in the presence of wind, it is a must to mount the windscreen to not pick up underire signals.
Operating environmental conditon:
Below 200 feet in Height,humidity<=80%RH,
Temperature from 0 to 40.