PROS KIT MT-4618 (CN) เครื่องวัดระดับเสียง Sound Level Meter

PROS KIT MT-4618 (CN) เครื่องวัดระดับเสียง Sound Level Meter

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.valueData HoldAuto rangeBacklight
Good anti-interference performanceAuto power off




Range

30—130dBA35—130dBC
30—80db40—90db50—100db60—110db70—120db80—130db30~130 db is auto range


Accuracy
±1.5dB ( 94dB@1KHz), ±5dB (94dB@8KHz)


Resolution
0.1dB


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%RH0°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)


Dimension
174 x 60 x 29mm


Accessories
Storage bag, Instruction manual