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H7ET-NV1-BH

Self-powered Totalizer

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Time Counter, 48 mm x 24 mm x 55.5 mm, 7 digit, 0 s to 999 h 59 min 59 s/0.0 min to 9999 h 59.9 min (selectable), Voltage input, Black

Digits 7 digit
External connection method Screw terminal
Mounting method Flush mounting

Item list of H7E[]-N

  • Ratings/Specifications
FunctionTime Counter
Time counter Time rangesIncrement
Time ranges0 s to 999 h 59 min 59 s/0.0 min to 9999 h 59.9 min (selectable)
Set value read selector±100 ppm (25 ℃)
Minimum signal input width1 s
Reset systemExternal and manual reset
InputInput signalCount input, Reset
Input methodVoltage input
Voltage inputHight level: 4.5 to 30 VDC
Low level: 0 to 2 VDC (Input resistance Approx. 4.7 kΩ)
Reset timeExternal reset20 ms
Manual reset20 ms
DisplayDisplay methodBacklit transmissive LCD
Digits7 digit
Character height8.6 mm
Zero suppressionEquipped
Key protectionKey protect Switch
Ambient temperature (Operating)-10 to 55℃ (with no freezing or condensation)
Ambient temperature (Storage)-25 to 65℃ (with no freezing or condensation)
Ambient humidity (Operating)25 to 85%
Insulation resistanceBetween current carrying terminals and exposed non-current carrying metal parts: 100 MΩ min. (at 500 VDC)
Between backlight power terminals and timer input/reset terminals: 100 MΩ min. (at 500 VDC)
Dielectric withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 1000 VAC 50/60 Hz 1 min
Between backlight power terminals and timer input/reset terminals: 1000 VAC 50/60 Hz 1 min
Impulse withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 4.5 kV
Noise immunityBetween reset terminals: ±600 V
Between backlight power terminals: ±480 V
Between timer input terminals: ±600 V
square-wave noise by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)
Static immunity±8 kV (malfunction)
Vibration resistanceDestruction: 10 to 55 Hz, 0.375 mm single amplitude each in 3 directions for 2 h
Malfunction: 10 to 55 Hz, 0.15 mm single amplitude each in 3 directions for 10 min
Shock resistanceDestruction: 300 m/s**2, 3 times each in 6 directions
Malfunction: 200 m/s**2, 3 times each in 6 directions
Degree of protectionCase front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)
External connection methodScrew terminal
Case colorBlack (Munsell N1.5)
AccessoriesFlush mounting adapter, Lithium Battery (3 V), Waterproof packing, Unit label
WeightApprox. 65 g
  • Dimensions

  • Terminal arrangement

  • Input connection diagram

Voltage input

Series

Self-powered Totalizer

H7E[]-N