RS232 Digital Sound Level Meter 8921/8922
- Deluxe super large LCD display w/ affordable price
- Meet IEC60651, type2 class standard
- Unique background noise absorber
- Features w/digital display and analog bar graph
- Professional and rigid design
- Auto / manual ranging ,6 measurement ranges in 10 steps
- Max hold
- Record max / min
- Fast / Slow response mode is selectable
- A /C weighting is selectable
- Easy to calibrate by standard calibrator
- AC/DC analog output
- Tripod mountable
- Backlight function to use in dark area (8922only)
SPECIFICATIONS
Measure range A weight: 30dB~130dB
C weight: 35dB~130dB
Digital display (6 ranges) 30~80, 40~90, 50~100, 60~110, 70-120, 80-130dB
Digital display resolution 0.1dB
Digital updating time 160mS
Quasi-analog bar (6 ranges) 30~80, 40~90, 50~100, 60~110, 70-120, 80-130dB
Quasi-analog bar resolution 1dB
Bar updating time 40mS
Accuracy at 94dB, 1KHz +/-1.5dB
Analog output Microphone AC 0.707Vrms(at full scale); DC 10mV/dB
Dia.6mm electric condenser microphone
Frequency range 31.5Hz~8KHz
Battery life time 30 hours typical
Windscreen LCD YES
size (mm) 42(H)x62(W)
Operating temp. 0~50oC
Operating RH% Humidity < 90%
Storage temp. -20~50oC
Storage RH% Humidity < 90%
Dimension(mm) Weight 254x77x37
Battery 9V battery x 1pc or 9VDC adaptor
Standard Package Meter/Battery/Manual/carry case
Optional Accessory Computer connection software kit