Riken Keiki GW-3, Operation Manual

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2. Important Safety Information 2-3. Caution information
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2-3. Caution information
CAUTION
Do not use the product in locations where it may be exposed to oil, chemicals, or other such
substances. Avoid deliberately submerging the product in water.

Do not use the product in locations where it may be exposed to oil, chemicals, liquids, or other such
substances.
Do not use walkie-talkies near the product.

The product’s functions may be affected by radio waves emitted from walkie-talkies or other radio
transmitters used nearby.
Position any transceivers or other similar devices so that they do not affect the product’s functions.

Avoid using the product near devices that emit strong electromagnetic radiation (high frequency or high
voltage devices).
Be sure to perform regular maintenance.

The product is a safety device. Maintain the product regularly to ensure safety.
Continuing to use the product without adequate maintenance will result in sensor sensitivity variations,
preventing accurate gas detection.
Maintenance

Replace filters every six months.

Handle filters carefully. Do not use damaged filters.
Do not use the product in locations outside the operating temperature and humidity ranges.

The operating temperature and humidity ranges for the product are as follows. Avoid using the product at
temperatures or humidity levels outside the indicated operating range.
GW-3 (O2)
：
<Continuous use enironment> Temperature: − 20 °C to +50 °C Humidity: 10 %RH to 90 %RH
GW-3 (OX), GW-3 (HS), GW-3 (CO), GW-3 (C-), GW-3 (CX)
：
<Continuous use environment> Temperature: − 20 °C to +50 °C Humidity: 10 %RH to 90 %RH
<Temporary use environment> Temperature: − 20 °C to +60 °C Humidity: 0 %RH to 95 %RH

Avoid using for extended periods in locations exposed to direct sunlight.

Avoid storing the product inside parked vehicles in hot weather.