Dew point Meter

Infrared thermometer

Sound lever meter

Manometer

Air flow meter

Heat index meter

Water quality meter Thermometer
Gas detector Data logger
CO meter Datalogger with printer
CO2 meter
Tachometer

Sound lever meter

                   

AZ8928 / 8925 AT A GLANCE
-DIGITAL DISPLAY WITH ANALOG GRAPH
-AUTO / MANUAL RANGING
-MAX HOLD, F/ S RESPONSE, A/ C WEIGHTING
-ANALOG OUTPUT

FEATURE
-Digital display of sound level.
-Measurement frequency ranging 300 Hz to 8000 Hz.
-A & C weighting selectable.
-Quasi-Analog bar indicator : 1 dB display steps, 50dB display range, updated every 40ms.
-Auto or Manual ranging selectable.
-Fast & Slow response selectable.
-Maximum hold.
-Record Max./ Min.
-Microphone : 6mm (Dia.) electric condenser type.
-Large 3-1/2 digit LCD display.
-Auto power off : 20 min after non-operation.
-Low battery indicator.
-Monitor the sound levels from traffic noise, alarm systems and workplace machinery.

SPECIFICATION
-Range: A weighting : 40dB~130dB C weighting : 45dB~130dB
-Accuracy at 94 dB,1KHz : 2dB
-Analog Output : AC 0.707Vrms (F/ S)
-Operation Temperature : 0~50ºC, 10~90%RH.
-Storage Temperature : -20~60ºC
-Quasi-Analog Bar indicator : 1dB display step, 30dB display range, updated every 50ms
-Hold : Max./ Min.
-Record : Maximum Hold.
-Microphone : 10mm Dia. electric condenser microphone
-Battery life : 30 hours typical (9V)
Meter size : 72 x 182 x 30mm / 150g.(8928) 57 x 230 x 44mm (8925)

Standard accessories:
-Manual, 9V battery (8928) AAA battery (8925) and Gift or White box package.
-Option accessory PU pouch (8928 only).

AZ8921 & 8922 AT A GLANCE
-DIGITAL DISPLAY WITH ANALOG GRAPH
-BACKGROUND NOISE ABSORBER
-MAX / MIN RECORD, MAX HOLD
-RS232 INTERFACE
-MEETS IEC 651, TYPE 2 CLASS

FEATURE
-Meets IEC 651;ANSI S1.4, type2 standard.
-Quasi-Analog bar indicator:1dB display steps, 50dB display range, updated every 50ms.
-Measurement level range features 6 ranges.
-Background noise absorber mode filters ambient sounds.
-Fast( 125 msec.) or Slow( 1 sec.) response 3 times.
-Record Max / Min. & Maximum Hold function.
-A / C Weighting selectionable.
-Microphone : 6mm(Dia.)electric condenser type.
-Backlight for use in dark areas (Model 8922).
-Low battery indicator.
-Optional RS232 software (Disk & PC cable).
-Serial formt: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB
-Monitor the sound levels from traffic noise, alarm systems and workplace machinery,
-Multi-Frequency calibration to ensure quality stable.

SPECIFICATION
-Auto range : 30-130dB.
-Big LCD : 42x64mm.
-Measurement level range : 6 ranges in 10-dB steps:30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB.
-Accuracy : 1.5dB ( under reference condition )
-Digital display : 3-1/2 dight LCD, 0.1dB resolution updated 0.5seconds.
-Analog output : AC:0.707vrms( at full scale ) DC:10mV/ dB
-Measurement frequency range : 31.5Hz-8KHz.
-Measurement level A weighting : 30dB~130dB.
-Measurement level C weighting : 35dB~130dB.
-Operation temperature : 0~50ºC,10~90%RH
-Storage temperature : -20~60ºC
-Meter includes hard ABS case, battery, manual.
-Battery life : 20 hours typical (9V)
-Dimensions (meter WxHxT) : 80 x 256 x 38mm

 ( If you need user manual or E-catalogue for above meters, please ask for at: xiushunjie@gmail.com )