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Discontinued
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TH40 Dual Indicator Hour Meters

Rating/ Performance

Rated operating voltage 12 V AC, 24 V AC, 48 V AC, 100 V AC, 110 V AC,
115 to 120 V AC, 200 V AC, 220 V AC, 240 V AC
Allowable operating
voltage range
Allowable operating voltage range
Rated frequency 50/60 Hz (selectable by switch)
Counting range 0 to 9999.9 hours (upper side) ... with reset indicator
0 to 99999.9 hours (lower side) ... without reset indicator
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 500V 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)
Weight 160 g 5.64 oz

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