LH2H
2 Backlight type
No. digits
7 digits
Measurement time range
0 to 999999.9h/0 to 3999d23.9h switchable
0 to 999h59m59s/0 to 9999h59.9m switchable
Front reset
Yes
Input method
Voltage input type (4.5 to 30 V DC)
Part No.
LH2H-FE-DHK-DL-B
LH2H-FE-HMK-DL-B
2) Installation frame type
1 Standard type
No. digits
7 digits
Measurement time range
0 to 999999.9h/0 to 3999d23.9h switchable
0 to 999h59m59s/0 to 9999h59.9m switchable
0 to 999999.9h/0 to 3999d23.9h switchable
0 to 999h59m59s/0 to 9999h59.9m switchable
0 to 999999.9h/0 to 3999d23.9h switchable
0 to 999h59m59s/0 to 9999h59.9m switchable
Front reset
Yes
Input method
Non-voltage input type
Voltage input type (4.5 to 30 V DC)
Free voltage input type (24 to 240 V AC/DC)
Part No.
LH2H-F-DHK
LH2H-F-HMK
LH2H-F-DHK-DL
LH2H-F-HMK-DL
LH2H-F-DHK-FV
LH2H-F-HMK-FV
2 Backlight type
No. digits
7 digits
Measurement time range
0 to 999999.9h/0 to 3999d23.9h switchable
0 to 999h59m59s/0 to 9999h59.9m switchable
Front reset
Yes
Input method
Voltage input type (4.5 to 30 V DC)
Part No.
LH2H-F-DHK-DL-B
LH2H-F-HMK-DL-B
2. PC board mounting type
No. digits
7 digits
Measurement time range
0 to 999999.9h
0 to 9999h59.9m
Front reset
No
Input method
Non-voltage input type
Part No.
LH2H-C-H-N
LH2H-C-HM-N
Speci?cations
1. Panel mounting type
Item
Type
Standard type
Non-voltage input
Voltage input
Backlight type
Standard type
Free voltage type
No. digits
External power supply
Measurement time range
Min. input signal width
7 digits
Not required (built-in battery)
0 to 999999.9h/0 to 3999d23.9h (Switchable by switch)
0 to 999h59m59s/0 to 9999h59.9m (Switchable by switch) Separate product type
200 ms
Start
input
Input method (signal)
Input impedance
Non-voltage input using
contacts or open collector
connection
When shorted:
Max. 10 k ?
When open:
Max. 750 k ?
High level: 4.5 to 30 V DC
Low level: 0 to 2 V DC
Approx. 4.7 k ?
High level:
24 to 240 V AC/DC
Low level:
0 to 2.4 V AC/DC
Residual voltage
Min. input signal width
Max. 0.5 V — —
100 ms
Reset
input
Input method (signal)
Input impedance
Non-voltage input using
contacts or open collector
connection
When shorted:
Max. 10 k ?
When open:
Max. 750 k ?
High level: 4.5 to 30 V DC
Low level: 0 to 2 V DC
Appox. 4.7 k ?
Non-voltage input using
contacts or open collector
connection
When shorted:
Max. 10 k ?
When open:
Max. 750 k ?
Residual voltage
Max 0.5 V — Max. 0.5 V
Display method
7-segment LCD
7-segment LCD
With green/red backlight
7-segment LCD
Between charged and
Breakdown voltage (initial)
Between charged and uncharged parts: 1,000 V AC for 1 minute.
uncharged parts:
2,000 V AC for 1 minute.
Insulation resistance (initial)
Backlight power
Protective construction (Note)
Accessories (Note)
Battery life
Min. 100 M ? (measured at 500 V DC) Measurement location same as for break down voltage.
— 24 V DC (±10%) —
IEC Standard IP66 (only panel front: when using rubber gasket)
Rubber gasket, mounting bracket
10 years (at 25°C 77°F )
Note) Only for installation frame type.
All Rights Reserved ? C OPYRIGHT Matsushita Electric Works, Ltd.
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