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