SNDWAY SW526A Wall-mounted DB Sound Level Meter Noise Tester with Large Screen 18-inch Display, SW526A Option:SW526A "sku":"Chest Type Freezers"

"sku":"Chest Type Freezers"

The setup enables study of engine performance for brake power

A Grade Lenses

htc-1 hygrometer

SNDWAY SW526A Wall-mounted DB Sound Level Meter Noise Tester with Large Screen 18-inch Display, SW526A Option:SW526A "sku":"Chest Type Freezers"Model: 525A Measuring range: 30 130db Frequency range: 31. 5hz 8. 5khz Response time: fast Microphone: 6mm capacitance microphone Power supply; DC5V 1A micro USB outlet Operating condition: 0 40 degree Dimension: 210x130x28mm Weight: 453g Features and Functions: 1. Accuracty: + 1. 5dB In Standard audio: 94dB 1 khz 2. Measurement Range: 30 130dB 3. Frequency Response Range: 31. 5 hz 8. 5 khz 4. Frequency weighting: A (Environmental Noise) of Weighting