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digital rpm indicator,
speed measuring instrument
Duarble Digital Speed Indicator Round Red With Φ35mm Light Hole
Hole Size: φ35mm；
The luminous body is made of pure super bright LED chip with pure color and service life up to 100,000 hours.
The components are made of imported materials, which are solid, durable, wear and tear resisting.
Power Frequency Withstand Voltage: AC1890V
Allowable Voltage Fluctuation of AC Indicator ±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.