H7ET
H7ET
3
J CHARACTERISTICS
Item H7ET-NVj-j
H7ET-NVj-Hj
H7ET-NFVj-j H7ET-Nj-j
Time accuracy
±100 ppm (25°C)
Insulation resistance 100 MΩ min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts,
and between the backlight power
supply and count input
terminals/reset terminals for
backlight models
100 MΩ min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts
and between count input terminals
and reset terminals
100 MΩ min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min
between current-carrying metal
parts and exposed
non-current-carrying metal parts
and between the backlight power
supply and count input
terminals/reset terminals for
backlight models
3,700 VAC, 50/60 Hz for 1 min
between count input terminals and
exposed non-current-carrying
metal parts
2,200 VAC, 50/60 Hz for 1 min
between reset terminals and
exposed non-current-carrying
metal parts and between count
input terminals and reset terminals
1,000 VAC, 50/60 Hz for 1 min
between current-carrying metal
parts and exposed
non-current-carrying metal parts
Impulse withstand
voltage
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
3 kV between input terminals and
reset terminals
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
Noise immunity Between input terminals: ±600 V in
normal mode, ±1.5 kV in command
mode
For backlight power supply
(backlight model): ±480 V in
normal mode, ±1.5 kV in command
mode
Between count input terminals:
±1.5 kV in normal mode, ±1.5 kV in
command mode
Between reset input terminals:
±500 V in normal mode, ±1.5 kV in
command mode
±500 V in normal mode, ±1.5 kV in
command mode
Static immunity
±8 kV (malfunction)
Vibration resistance Malfunction: 0.15-mm single amplitude at 10 to 55 Hz for 10 min each in 3 directions
Destruction: 0.375-mm single amplitude at 10 to 55 Hz for 2 hrs each in 3 directions
Shock resistance Malfunction: 200 m/s
2
{approx. 20G} 3 times each in 6 directions
Destruction: 300 m/s
2
{approx. 30G} 3 times each in 6 directions
Battery life 10 years min. with continuous input at 25°C (lithium battery)
EMC (EMI) EN50081-1
Emission Enclosure: EN55022 class B
(EMS) EN50082-2
Immunity ESD: EN61000-4-2: 4-kV contact discharge (level 2)
8-kV air discharge (level 3)
Immunity RF-interference from AM Radio Waves:
ENV50140: 10 V/m (80 MHz to 1 GHz) (level 3)
Immunity RF-interference from Pulse-modulated Radio Waves:
ENV50204: 20 V/m (900 MHz ± 5MHz)(level3)
Immunity Conducted Disturbance: ENV50141: 10 V (0.15 to 80 MHz ) (level 3)
Immunity Burst: EN61000-4-4: 2-kV power line (level 3)
2-kV I/O signal line (level 4)
Enclosure rating Front panel: IP66, NEMA4 with waterproof packing
Terminal block: IP20
Weight (see note) Non-backlight model: Approx. 60 g
Backlight model: Approx. 65 g
Approx. 60 g Approx. 60 g
Note: Weight includes waterproof gasket and panel-mounting bracket.
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