Description
FEATURES
A & C weighting network selection.
Measuring range from 30 to 130 dB.
LCD display with backlight.
High speed (FAST)/Low speed (SLOW) response rate selection.
Extra functions: Max./Min.value, Data Hold, Auto range, Backlight.
Good anti-interference performance.
Auto power off.
TECHNICAL SPECIFICATIONS
Range 30—130dBA、35—130dBC
30—80db、40—90db、50—100db、60—110db、70—120db、80—130db、30~130 db is auto range
Accuracy ±1.5dB (94dB@1KHz), ±5dB (94dB@8KHz)
Resolution 0.1 dB
Response frequency 30Hz — 8KHz
Dynamic sound pressure 50 dB (at each range) FAST 125ms, SLOW 1sec
Frequency weighting A and C type
Sensor Polarized condenser microphone
Sampling Time 2 times/sec., Analog 20 times/sec.
Operating environment 10~80%RH，0°C~40°C (Non-condensing)
Storage environment 10~70%RH，-10°C~60°C (Non-condensing)
Low battery indication <5V
Power source 1.5V AAA battery x 4 (Not included)
Weight 174 g (Not including battery)
Dimensions 174 x 60 x 29mm