Nagano Keiki GC31 Instruction Manual page 2

For proper and safe operation
GC31 Digital Pressure Gauge is a compact digital pressure gauge which complies with the
EMC directive.
In order to safely and properly utilize this device, please read this instruction manual carefully.
Incorrect operation may cause malfunction, damage, or an accident.
Warning
Indicates that incorrect use may result in severe injury or loss of life.
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Caution
Indicates that incorrect use may result in risk of injury or property damage.
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1. Do not apply pressure greater than the maximum allowable pressure. This
may cause damage or burst of the pressure element and also injury or
damage to the surroundings.
2. Use of a non designated power source may cause a fire or electrical shock.
3. Do not apply excessive weight, vibration or shock. This may cause damage
or burst of the unit and release of the measurement gas. It will result in injury
or damage to the surroundings.
4. This device is not explosion -proof. Do not use this device in the areas
where flammable or explosive gases or liquids are located.
Warning
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5. Perform wiring according to the wiring faceplate or the wiring instructions of
this instruction manual. Incorrect wiring may cause injury or a fire.
6. Use this device within the operating temperature range. Using outside the
range of operating temperature may cause malfunction or damage of the unit
and also injury or damage to the surroundings.
7. Perform installation carefully according to the installation instructions of this
instruction manual.
8. Do not disassemble or alter this device. Also, do not remodel this device by
adding new functions. Contact the manufacturer for repairs.
9. Perform operation of the switches carefully according to the operation
instructions of this instruction manual. Incorrect operation may cause
malfunction.
10. Since this device is a precision electronic instrument, keep this device as
far away from noise source as possible. Also, remove noise from power
source of this device by using noise filter, etc.
11. For applications where serious damage or accidents may occur due to
malfunction or failure of this product, use several units to configure
various protection circuits according to the degree of seriousness of such
damage or accidents, such as "1 out of 2", "2 x (1 out of 2)", "2 out of 3",
etc .
* Please do not use this device if its breakdown or malfunction may threaten
human life directly or it may harm human body.
TY-GC31-004A 1/24
Rev.B