Riken Keiki NP-1000, Руководство по эксплуатации

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4. How to Use 4-1. Before using the gas detector
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4.
How to Use
4-1. Before using the gas detector
Not only the first-time users but also the users who have already used the gas detector must follow the
operating precautions.
Ignoring the precautions may damage the unit, resulting in inaccurate gas measurement.
4-2. Preparation for start-up
Before starting gas detection, check the followings
•
Check that the protective film attached on the display from shipping is removed.
•
The batteries are installed (with sufficient battery level).
•
The dust filter is not contaminated.
•
The gas sampling probe is not loose.
•
The hose clamp coupler is connected securely.
4-2-1. How to replace the batteries
When the gas detector is used for the first time, or when the battery level is low, attach new AA alkaline
batteries according to the following procedures.
1 Check that the power of
the gas detector is turned
off.
Turn off the power if it is turned on.
2 Release the lock and open
the battery cover.
Lock plate
CAUTION
•
The display is covered by the protective film to prevent scratches from shipping.
•
Be sure to remove this film before use.
•
Gas monitor with this film will not satisfy the explosion-proof performance.