Riken Keiki PT2-169, Operating Manual

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5 How to Operate 5-3. How to start the detector
SD-1DGH-AS
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NOTE
The semiconductor sensor used in the detector must be warmed up for a specified warm-up (powered)
time after power is supplied. The required warm-up (powered) time depends on the unpowered time for
the sensor. The time shown in the table shown below must be met.
Unpowered time Guidelines for warm-up
(powered) time
24 hours or less 4 hours or more
72 hours or less 24 hours or more
10 days or less 2 days or more
Less than 1 month 7 days or more
Less than 3 month 14 days or more
3 months or more 1 month or more