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  • Small Time Counter H7 Et-N
  • Small Time Counter H7 Et-N
  • Small Time Counter H7 Et-N

Small Time Counter H7 Et-N H7ET-NV

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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Number of Digits
Weight (g)
Ambient Humidity
25 to 85%
Back Light
Minimum Pulse Width
(Timing) 1s
Vibration Resistance
10 to 55Hz amplitude 0.375mm 3 pieces each direction 2h
Impact Resistance (Malfunction)
3 times for each 200m / s 2 6 direction
Time Specification
(Table shown) 0.0h to 999999.9h / 0.0h to 3999d23.9h (switchable)
External reset / manual reset (minimum reset signal time 20ms)
Operating Ambient Temperature (deg C)
(No freezing No condensation) -10 to +55
Impulse Voltage(V)
Non-charging metal part between the exposed and 4.5k / conductive part terminal
Storage Temperature (DegreeC)
(No freezing No condensation) -25 to +65
Counting input / reset input "H" level: DC4.5 to 30V "L" level: DC0 to 2V (input impedance about 4.7kohm)
EMC Standard
EMI: EN61326 radiated disturbance field strength: EN55011 Group 1 Class BEMS: EN61326 Electrostatic Discharge Immunity: EN61000-4-2 electromagnetic field immunity: (AM modulation) N61000-4-3, (pulse modulation) EN61000-4-3 conductivity noise immunity: EN6
Display Type
(Numeric table shown by the liquid crystal) LCD (Table indicated by zero suppression)
Character Height (mm)
Reset Method
External reset / manual reset
Case Color
Light Gray
Opreration Method
Time: +/- 100ppm (25 ℃)
Mounting Method
Embedding type
Withstand Voltage
Non-charging metal part between the exposed and 50 / 60Hz 1min conductive part terminal AC1000V
Counting Input
Voltage input
Vibration Resistance (malfunction)
10 to 55Hz single amplitude 0.15mm 3 direction each 10min
No need for external power (internal battery)
Protection Structure
However (indoor), only the panel table surface IEC standard IP66, NEMA Standards USA Type 4
Insulation Resistance (Mohm)
Non-charging metal part between (at DC500V mega) was exposed to the conductive part terminal more than 100
Noise Immunity
Square-wave noise by noise simulator (pulse width 100ns, 1micros rise 1ns) +/- 600V (total input terminals / reset terminals)
Waterproof packing, adapter for mounting embedded, unit seal
Safety Standards
C22.2 No.14 get EN61010-1 (IEC61010-1) UL863 CSA: VDE0106 Part100 fit (EN61326) fit III conformity to EMC standards 2 / Overvoltage category Pollution degree (finger protection provisions) LR STANDARDS
Impact Resistance
3 times for each 300m / s 2 6 direction
Customer Reviews
5 star 1
4 star 0
3 star 0
2 star 0
1 star 0
Review Rating: 5.00
1 Customer Reviews
The reviews are automatic translation.
Operating time measurement of the sewage pump
From Japan
On 2014-04-04 17:58:36
If the LCD screen is exposed to sunlight for a long time, it may display disappears. Overlooking the durability improvement of the external environment.
This review is about item#37651634.