1
INTRODUCTION
Thank you very much for purchasing of "MANOSTAR SWITCH MS99".
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！
Caution
To ensure your safety in using this instrument :
・Be sure to read the instruction manual carefully before using the instrument so that you
can use it properly.
Wrong use may result in failure of the instrument and lead to its damage and accident. This
manual should be kept in a proper place so that you can refer to it any time you need.
Ⅰ．PRECAUTIONS
△
！Warning
・Do not use the instrument where flammable gas is present.
The instrument is not explosion-proof. Do not use instruments in the circumstance where flammable gas is present. It
may cause explosion.
・Do not use the instrument at the place where corrosive gas is present.
The instrument is not corrosion resistance construction. Measuring corrosive gas may corrode the receiving element
and housing material of the instrument. It is expected that corrosive gas leaked out of the instrument will harm a
person.
・Do not apply the pressure to the instrument more than it can withstand.
The diaphragm and the retainer are broken and cause of injury or accident, etc. disaster if the pressure exceeding
withstanding pressure of the pressure receiving element is applied to the instrument. The case body and the
transparent cover of the instrument are broken and cause of injury or accident, etc. disaster if the pressure exceeding
withstanding pressure of the instrument body is applied to the instrument.
・The instrument is measurable for air and non-corrosive gas only.
The machine is exclusive use of dry air (90％RH or less). Using measuring the water or oil it may be damaged and
causes the accident.
・Avoid using where the instrument is subject to many vibration and impact.
Using the instrument where intensified vibration and impact may be damaged the instrument. It is expected that gas
leaks of the instrument which harms a parson.
・Do not exceed rated surrounding temperature, humidity and altitude in use.
Using the instrument by exceeding rated surrounding temperature and humidity and altitude it may be damaged and
cause the accident.
・Do not disassemble or reconstruct the instrument.
It may void the warranty.
・Do not exceed rated voltage in using
Using the instrument by exceeding rated voltage may cause fire or electric shock.
・Wire correctly.
Incorrect wiring may cause fire.
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！Caution
・As to where to install and how to install this instrument, be sure to follow the instruction manual provided
so as to ensure a proper method.
・Use the instrument indoors.
・In case of not being installed in dry and well-kept clean locations, the instrument must be enclosed in box.
・Do not use organic solvent for cleaning.
Use a cloth soaked with water-diluted neutral detergent to wipe the surface of a product. Using of organic solvent
causes damage on the surface.
・Dropping the product.
Product is a precision instrument. If you drop the product, there is a possibility that the exterior, also the interior
mechanism damage.
・Removal of the piping
Please do not pull the pipe with a strong force. There is a possibility that the pipe cap is broken.
・MS99 acquires UL-approved as an open type enclosure.
For UL listing application, install MS99 in the system, and configure so that the entire system will be UL-approved.
