Digital Sound Level Meter

Product Description

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: 0~50° C, 10~90%RH.
-Storage Temperature: -20~60° C
-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: 0~50° C, 10~90%RH
-Storage temperature: -20~60° C
-Meter includes hard ABS case, battery, manual.
-Battery life: 20 hours typical (9V)
-Dimensions (meter WxHxT): 80 x 256 x 38mm