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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-NFV1

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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Number of Digits
Opreration Method
Time: +/- 100 ppm (25 degree c)
Electrostatic Yield Strength
+/- 8 kV (malfunction)
Reset Method
External reset/manual reset
Case Color
Light grey
Vibration Resistance
10 To 55 Hz half amplitude of 0.375 mm 3 directions 2 h each
Impact Resistance (Malfunction)
200 m / s2 6 directions 3 times each
Time Specification
(Display) 0 s to 999h59min59s/0.0min to 9999h59.9min (switchable)
External reset/manual reset (minimum reset signal time 20ms)
Operating Ambient Temperature (deg C)
-10 to +55 (however, no condensation, no freezing)
Impulse Voltage(V)
4.5k / Between conductive part terminal and the exposed non charging metal part 3k/ between timing input terminals and reset terminals
Storage Temperature (DegreeC)
-25 to +65 (however, no condensation and freezing)
(Counting input) "H" LEVEL :AC/DC24-240 V "L" LEVEL :AC/DC0?2.4V (Reset input) During short circuit maximum impedance ON at below 10kohm RESIDUAL VOLTAGE DURING SHORT CIRCUIT LESS THAN 0.5 V (1.0 V POWER) During opening time minimum impedance OFF at more
EMC Standard
EMI:EN61326 Radiated interference field strength : EN55011 Group1, class B EMS:EN61326 Electrostatic discharge immunity :EN61000-4-2 ELECTRIC FIELD STRENGTH OF IMMUNITY: (AM MODULATION) N61000-4-3, (PULSES MODULATION) EN61000-4-3 CONDUCTIVE NOISE IMMUNITY
Display Type
LCD (digital display by liquid crystal) ( zero suppression display)
Character Height (mm)
Ambient Humidity
25 - 85%
Back Light
Not available
Minimum Pulse Width
( Time) 1s
Mounting Method
Embedded installation
Weight (g)
About 60
Impact Resistance
300m / s26 directions 3 times each
Withstand Voltage
AC3700V 50/60Hz 1min Between clock input terminal and exposed non-charging metal parts AC2200V 50/60Hz 1min Between reset terminal and exposed non charging metal parts Between timing input terminal and reset terminal
Counting Input
Free voltage input
Vibration Resistance (malfunction)
10 To 55 Hz half amplitude of 0.15 mm 3-directions each 10 min
External power supply/not required (built-in battery)
Protection Structure
IEC standard IP66, the U.S. NEMA standard type 4 (indoor), however only the panel surface
Insulation Resistance (Mohm)
100 or more (via DC500V megger ) Between terminal conductive parts and exposed non-charging metal partst, between timing input terminal and reset terminal
Noise Immunity
Square wave noise by noise simulator (pulse width of 100 ns, 1micros rising 1 ns) +/- 1.5 kV (Between timing input terminal ) / +/- 500 V (between reset terminals)
Water proof packing, Flush Mounting Adapter, Unit seal
Safety Standards
UL863 CSA C22.2 No.14 acquisition EN61010-1 (IEC61010-1): degree of pollution 2 / over-voltage category ? conformance EMC STANDARD (EN61326)COMPATIBLE VDE0106 Part100 Compatibility (finger protection standard) LR STANDARD ACQUISITION
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.
Operation time measurement of sewage pump
From Japan
On 2014-04-04 17:58:36
When the liquid crystal screen is exposed to sunlight for a long time, the display may disappear. I hope to improve durability in external environment.
This review is about item#37651634.