Yamatake Corporation Safety
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter 21
5. Installation Environment
In order to maintain the original performance and reliability for a long time, install the
transmitter in the following environment:
(1) Ambient temperature
(a) The temperature gradient and temperature changes in installation environment
should be as small as possible.
(b) If a transmitter is exposed to heat radiated from the process side, lower its
ambient temperature as much as possible by insulating it or by selecting a well-
ventilated location for installation.
(c) If a process fluid can freeze, prevent freezing by means of heat insulation.
(2) Environment
Avoid corrosive environment as much as possible.
Install in explosion proof and intrinsically safe conditions.
(3) Shock and vibration
Install the transmitter where shocks and vibrations will be as small as possible.
(4) Installation of explosion proof type transmitter.
Refer to “Instructions for Explosion proof Transmitter”.
6. Application of Pressure to transmitter
In applying pressure to this transmitter, observe the following rules.
(1) The locking bolts of the adapter flange are loose when shipped. Tighten them to
the specified torque.
(2) Do not apply a pressure that exceeds the specified level.
(3) Do not tighten or loosen bolts while pressure is being applied to the transmitter.
(4) When a transmitter is used for measuring a poisonous substance, handle it care-
fully even after the pressure is released.
7. Electronic Parts
(1) This transmitter has several CMOS electronic components. Since static electricity
can easily cause the functional destruction of a CMOS component, never directly
touch them or touch a circuit with your hands.
(2) Is components must be touched, equalize the potential of the components before
doing so.
(3) When the printed wiring board (PWB) is removed, protect it in a non-conductive
bag.
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