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Discontinued
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TH70 DC-Powered Hour Meters (Discontinued Products)

Rating/ Performance

Rated operating voltage 12 V DC, 24 V DC
Allowable operating
voltage range
80 to 120% of rated operating voltage
Counting range 0 to 9999.9 hours
Minimum time display 0.1 hours (6 min)
Rated power consumption Approx. 1.5 W
Insulation resistance
(Initial value)
Min. 100 MΩ Between live and dead metal parts (At 500 V DC)
Breakdown voltage
(Initial value)
2,000 Vrms Between live and dead metal parts
Max. temperature rise 55℃ 131℉
Vibration resistance Functional 10 to 55 Hz: 1 cycle/min double amplitude of 0.5 mm (10 min on 3 axes)
Shock resistance Functional Min 98 m/s2 {10 G} (4 times on 3 axes)
Destructive Min 980 m/s2 {100 G} (5 times on 3 axes)
Ambient temperature –10 to +50℃ +14 to +122℉
Ambient humidity Max. 85% RH (non-condensing)
Power supply ripple Approx. 48% or less (single phase all-wave rectification)
Weight 170 g 6.00 oz

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