30mm Buzzer Digital Speed Indicator Tear Resisting 100db With High Frequency

The components are made of imported materials, which are solid, durable, wear and tear resisting.
Sound volume is 100db;
Sound type: continuous, intermittent

Technical Parameters

Power Frequency Withstand Voltage: AC1890V
Insulation Resistance≥2MΩ
Allowable Voltage Fluctuation ±20%
Continuous Working Life ≥30000H
Comparative Tracking Index CTI≥100
Application Frequency AC50～60Hz
Ambient Temperature: -25℃～+55℃
Relative Air Temperature ≤98%
It can work normally at a vibrational frequency of 2-80Hz and accelerated speed of 0.7g;
Pollution falls in class III and installation category class III.
Those with “TH” sign can work under the humid tropic environment.