Proskit MT-4618 噪音计 (30-130dB)

Range: 30-130dBA, 35-130dBC, 30-80db, 40-90db, 50-100db, 60-110db, 70-120db, 80-130db, 30-130db 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%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 x4 (Not included)

Weight: 174g (Not including battery)

Dimension: 174 x 60 x 29mm

Accessories: Storage bag, Instruction manual