Professional 8921 AZ Sound Level Meter features:
* Meets IEC60651, type 2 class standard
* Deluxe super large LCD display with affordable price
* Easy to calibrate by using AZ 8930 sound calibrator
* Unique background noise absorber
* Features with digital display and analog bar graph
* Auto/manual range, 6 measurement range in 10 steps
* Max Hold and Fast/Slow response mode
* A/C weighting is switchable
* Easy to calibrate by standard calibrator
* AC/DC analog output
* USB Interface


Application of 8921 AZ Noise Tester:
The Professional 8921 AZ Sound Level Meter provides automatic or manual range in six measurement ranges from 30 to 130 dB. The unit meets ANSI S1.4 and IEC60651, type 2 class standards, and features 0.1 dB resolution.

A background noise absorber of 8921 AZ SLM permits user to measure sound levels accurately even in the presence of high background noise.

The 8921 AZ Sound Level Meter allows user to select between fast and slow response times as well as A&C weighting. Jacks on the meter provide both AZ and DC analog output.

The portable 8921 AZ Noise Level Meter can be used for acoustic (sound that travels through air) measurements, which had been widely used in the HVAC (Heating, Ventilation and Air Conditioning) and industrial related application. User could capture sound level data via the USB interface.

The Digital 8921 AZ Decibel Sound Test Meter was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.


Specification of 8921 AZ Sound Level Meter:

Model 8921
Measure Range A weight: 30~130 dB
C weight: 35~130 dB
Digital Display (6 ranges) 30~80, 40~90, 50~100, 60~110, 70~120, 80~130 dB
Digital Display Resolution 0.1 dB
Digital Updating Time 160 ms
Quasi-analog Bar (6 ranges) 30~80, 40~90, 50~100, 60~110, 70~120, 80~130 dB
Quasi-analog Resolution 1 dB
Bar Updating Time 40 ms
Accuracy at 94 dB, 1KHz ±1.5 dB
Analog Output AC 0.707 Vrms (at full scale): DC 10 mV/dB
Microphone Dia 6mm electric condenser microphone
Frequency Range 31.5 Hz~8 KHz
Battery Life Time 30 hours typical
Windscreen YES
LCD Size 62(L) * 42(W) mm
Operating Temperature 0~50℃
Operating RH% Humidity <80%
Storage Temperature -20~50℃
Storage RH% Humidity <90%
Meter Size 254(L) * 77(W) * 37(H) mm
Weight ~200g
Battery 9V Battery * 1 PC or 9V DC adaptor
Standard Package Meter, Battery, Manual, Carry Case
Optional Accessory Software CD & USB Cable