H7ET-NV Omron, H7ET-NV Datasheet - Page 4
![TIME TOTALIZER LCD](/photos/6/44/64473/h7et-nv_sml.jpg)
H7ET-NV
Manufacturer Part Number
H7ET-NV
Description
TIME TOTALIZER LCD
Manufacturer
Omron
Series
H7ETr
Specifications of H7ET-NV
Operating Mode
Accumulative
Output Type
None
Voltage - Supply
None Required (Battery Included)
Termination Style
Screw Terminal
Display Type
LCD Non-Backlit
Input Type
Switch Closure or Transistor Switch
Number Of Digits/alpha
7
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Count Rate
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
H7ET-NV
H7ETNV
Z3004
H7ETNV
Z3004
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
H7ET-NV1
Manufacturer:
Omron Electronics Inc-IA Div
Quantity:
135
■ Characteristics
Note: Weight includes waterproof packing and flush mounting bracket.
■ Reference Value
Insulation resistance 100 MΩ min. (at 500 VDC) between
Dielectric strength
Impulse withstand
voltage
Noise immunity
Static immunity
Vibration resistance Malfunction: 0.15-mm single amplitude at 10 to 55 Hz for 10 min each in 3 directions
Shock resistance
EMC
Degree of protection Front panel:
Weight (see note)
Battery life
Item
Item
7 years min. with continuous input at 25°C
(lithium battery)
current-carrying metal parts and ex-
posed non-current-carrying metal
parts, and between the backlight power
supply terminal and count input termi-
nals/reset terminals for backlight mod-
els
1,000 VAC, 50/60 Hz for 1 min between
current-carrying metal parts and ex-
posed non-current-carrying metal parts
and between the backlight power sup-
ply terminal and count input terminals/
reset terminals for backlight models
4.5 kV between current-carrying termi-
nal and exposed non-current-carrying
metal parts
Square-wave noise generated by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)
±600 V (Between count input terminals/
Between reset terminals)
±480 V (Between the backlight power
supply terminals for backlight models)
±8 kV (malfunction)
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
(EMI)
Emission Enclosure:
(EMS)
Immunity ESD:
Immunity RF-interference from AM Radio Waves:
Immunity RF-interference from Pulse-modulated Radio Waves:
Immunity Conducted Disturbance: EN61000-4-6: 10 V (0.15 to 80 MHz) (level 3)
Immunity Burst:
Terminal block: IP20
No-backlight model: Approx. 60 g
Backlight model: Approx. 65 g
H7EC-NV-@H
H7EC-NV-@
Value
IP66, NEMA4
2
2
3 times each in 6 directions
3 times each in 6 directions
EN61326
EN55011 Group 1 class B
EN61326
EN61000-4-2: 4 kV contact discharge (level 2)
EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)
EN61000-4-3: 10 V/m (900 MHz ± 5 MHz) (level 3)
EN61000-4-4: 2 kV power line (level 3)
100 MΩ min. (at 500 VDC) between
current-carrying metal parts and ex-
posed non-current-carrying metal parts
and between count input terminals and
reset terminals
3,700 VAC, 50/60 Hz for 1 min between
current-carrying metal parts and ex-
posed non-current-carrying metal parts
2,200 VAC, 50/60 Hz for 1 min between
reset terminals and exposed non-cur-
rent-carrying metal parts and between
count input terminals and reset termi-
nals
4.5 kV between current-carrying termi-
nal and exposed non-current-carrying
metal parts
3 kV between input terminals and reset
terminals
±1.5 kV (Between count input termi-
nals)
±500 V (Between reset terminals)
Approx. 60 g
The battery life is calculated according to the conditions in the left column and
therefore is not a guaranteed value. Use these value as reference for mainte-
nance or replacement.
8 kV air discharge (level 3)
2 kV I/O signal line (level 4)
H7EC-NFV-@
Note
100 MΩ min. (at 500 VDC) between
current-carrying metal parts and ex-
posed non-current-carrying metal parts
1,000 VAC, 50/60 Hz for 1 min between
current-carrying metal parts and ex-
posed non-current-carrying metal parts
4.5 kV between current-carrying termi-
nal and exposed non-current-carrying
metal parts
±500 V (Between count input terminals/
Between reset terminals)
Approx. 60 g
H7EC-N-@
New H7EC
4