ATP Instrumentation 1309, Инструкция

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2. After turning off the meter, disconnect the battery cover
with a screwier.
3. Disconnect the battery from the instrument and replace
it with a standard 9V battery and go for the cover.
Ⅶ
SPECTRAL SENSITIVITY CHARACTERISTIC
¾ To the detector, the applied photo diode with filters
makes the spectral sensitivity characteristic
almost meet C.I.E.(INTERNATIONAL
COMMISSION ON ILLUMINATION) Photo
curve V (
λ
) as the following chart described.
Ⅷ
MAINTENANCE
1. The white plastic disc on the top of the detector should
be cleaned with a damp cloth when necessary.
2. Do not store the instrument where temperature or
humidity is excessively high.
3. The reference level, as marker on the face plate, is the
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