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2. Safety Information
2.1 Use personnel
The thermal mass flowmeter is a precision instrument which is produced by the latest technology
and technology. Improper installation and use can lead to abnormal and damage of the instrument
and even the process control equipment. Engineers and technicians who install, set up and
connect the product must read this manual carefully before using the instrument.
2.2 store and handling
·Storage temperature
：
-40
℃
~80
℃
·Relative humidity
：
20~90%
The storage and handling process should be placed in the instrument box to avoid bumping or
shock.
2.3 Application condition
Before installation should be sure that the measured medium temperature and pressure is not
more than the nominal temperature and pressure. Determine whether the measured gas is
pure, the gas does not contain particulate matter, so as to avoid the damage of granular
materials on the sensor.
2.4 Safety standards and specifications
Installation, wiring and use of this product should comply with the requirements specified in this
manual and the general international safety standards, accident prevention measures and local
standards.
2.5 Intrinsic safety and explosion protection
Dangerous places or may be flammable gas and air mixture should use explosion-proof
type thermal mass flowmeter in - field measurement;
he explosion-proof thermal mass flowmeter with appropriate safety gate shall be
obtained using supporting explosion-proof certification;
Installation and wiring - intrinsic safety instrument system and related equipment shall
comply with the relevant standards and norms of the country.
2.6 Environmental protection
The packaging of this product can meet the ISO:14001 specification, and will not pollute the
environment.
