H7ET-N-B Omron, H7ET-N-B Datasheet - Page 3
![COUNTER TIME 999KHRS NO VOLT IN](/photos/6/44/64472/h7et-nfv-b_h7et-nv1-b_h7et-n-b_sml.jpg)
H7ET-N-B
Manufacturer Part Number
H7ET-N-B
Description
COUNTER TIME 999KHRS NO VOLT IN
Manufacturer
Omron
Series
H7ETr
Specifications of H7ET-N-B
Operating Mode
Accumulative
Output Type
None
Voltage - Supply
None Required (Battery Included)
Termination Style
Screw Terminal
Display Type
LCD Non-Backlit
Timing Range
999999.9 h, 3999 d 23.9 h
Signal Input Type
Voltage
Time Range Max
999999.9h
Character Size
0.338"
Backlight Power
24VDC
Time Range Min
0h
No. Of Digits / Alpha
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
H7ET-B
H7ETNB
Z870
H7ETNB
Z870
J CHARACTERISTICS
Note:
H7ET
Item
Time accuracy
Insulation resistance
Dielectric strength
Impulse withstand
voltage
Noise immunity
Static immunity
Vibration resistance
Shock resistance
Battery life
EMC
Enclosure rating
Weight (see note)
Weight includes waterproof gasket and panel-mounting bracket.
H7ET-NVj-j
H7ET-NVj-Hj
±100 ppm (25°C)
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
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
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
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
±8 kV (malfunction)
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
Malfunction: 200 m/s
Destruction: 300 m/s
10 years min. with continuous input at 25°C (lithium battery)
(EMI)
Emission Enclosure:
(EMS)
Immunity ESD:
Immunity RF-interference from AM Radio Waves:
Immunity RF-interference from Pulse-modulated Radio Waves:
Immunity Conducted Disturbance:
Immunity Burst:
Front panel:
Terminal block:
Non-backlight model: Approx. 60 g
Backlight model: Approx. 65 g
2
2
IP66, NEMA4 with waterproof packing
IP20
{approx. 20G} 3 times each in 6 directions
{approx. 30G} 3 times each in 6 directions
EN55022 class B
ENV50140:
ENV50204:
ENV50141:
EN50081-1
EN50082-2
EN61000-4-2:
EN61000-4-4:
H7ET-NFVj-j
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
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
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
3 kV between input terminals and
reset terminals
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
Approx. 60 g
3
4-kV contact discharge (level 2)
8-kV air discharge (level 3)
10 V/m (80 MHz to 1 GHz) (level 3)
20 V/m (900 MHz ± 5 MHz) (level 3)
10 V (0.15 to 80 MHz ) (level 3)
2-kV power line (level 3)
2-kV I/O signal line (level 4)
H7ET-Nj-j
100 MΩ min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts
1,000 VAC, 50/60 Hz for 1 min
between current-carrying metal
parts and exposed
non-current-carrying metal parts
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
±500 V in normal mode, ±1.5 kV in
command mode
Approx. 60 g
H7ET