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Handheld digital sound level meter HT622A noise meter 30-130dB decibel tester noise audio detector volume measuring instrument
Specifications:
- Certification: NONE
- weight: 0.30kg
- Types of: Digital noise meter
- power supply: 3xAAA battery (not included)
- Origin: CN(Origin)
- Model Number: HT622A
- model: HT622A
- Measuring range: 30-130dBA-30-130dBC
- Measurement Range: 30~130dB
- measurement accuracy: +-1.5dB (standard sound pressure, 94dB@1KHz) +-5dB (standard sound pre
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