Manual

Page 4
2.1 Unpacking
When moving the transmitter to the installation site, keep it in the
original packaging. Unpack the transmitter at the installation site to
avoid damage on the way.
2.2 Models and Specifications Check
The model number and specifications are indicated on the
nameplate. Please check the specification and model number.
2.3 Storage
The following precautions must be observed when storing the
i
nstrument, especially for a long period.
1. Select a storage area that meets the following conditions:
- is not exposed to rain or water.
- minimal vibration and shock.
- stored at normal temperature and humidity
(approx. 77°F (25°C), 65% RH).
The ambient temperature and relative humidity ratings are:
Ambient Temperature: -40 to 185°F (-40 to 85°C)
(without LCD module)
-22 to 176°F (-30 to 80°C)
(with LCD module)
General Use: -4 to 140°F (-20 to 60°C)
Relative Humidity: 5% ~ 98% RH at 104°F (40°C)
2. When storing the transmitter, repack it the way it was delivered
from the factory.
3. If storing a used transmitter, thoroughly clean the diaphragm
surfaces, so that no media remains. Make sure the transmitter
assemblies are securely mounted before storing.
2.4 Selecting Installation Locations
The transmitter is designed to withstand severe environmental
conditions. However, to ensure stable and accurate operation, the
following precautions must be observed when selecting an
installation location.
1. Ambient Temperature
Avoid locations subject to wide temperature variations or a
significant temperature gradient. If the location is exposed to
radiant heat from plant equipment, provide adequate insulation or
ventilation.
2. Ambient Atmosphere
Avoid installing the transmitter in a corrosive atmosphere. If the
transmitter must be installed in a corrosive atmosphere, there
must be adequate ventilation. Precautions must be put into place
to prevent intrusion or stagnation of rainwater in conduits.
3. Shock and Vibration
Select an installation site with minimal shock and vibration
(although the transmitter is designed to be relatively resistant to
shock and vibration).
4. Installation of Explosion-Proof Transmitters
Explosion-Proof transmitters can be installed in hazardous
areas according to the gas types for which they are certified.
5. Select a place where transmitter can be maintenanced easily.
2.5 Calibration on Spot after Installation
1. Sensor Zero Trim should be done after transmitter is installed,
because the zero point is not configured for mounting status.
2. When calibrating the Sensor Zero Trim apply a pressure of zero in
advance, Sensor Zero Trim the sensor when the pressure is
sufficiently stabilized (after approximately 10 seconds).
3. Sensor Zero Trimming can also be done with the Zero/Span
button or a HHT (HART
®
Communicator), PC or PDA configurator.
4. Refer to On-line Operation for configuring other parameters.
2.6 Pressure Connections
The following precautions must be observed in order to safely
operate the transmitter under pressure.
1. Never apply a pressure higher than the specified maximum
working pressure.
2. Confirm the option pressure of transmitter. It is necessary to use
standardized and quality-approved parts.
3. There should be isolation valves in case of leakage.
2.7 Waterproofing Cable Conduit Connections
Apply a non-hardening sealant (silicone or tape, etc.) to the threads
to waterproof the transmitter cable conduit connections.
2.8 Restrictions on Use of Radio Transceivers
I
nstrument installed in the process under pressure.
• Never loosen or tighten as it may cause dangerous spouting of process fluid. If the
process fluid is toxic or otherwise harmful, take appropriate care to avoid contact or
inhalation of vapors even after disconnecting the instrument from process line for
m
aintenance.
WARNING
Although the transmitter has been designed to resist high
frequency electrical noise, if a radio transceiver is used near the
transmitter’s external wiring, the transmitter may be affected by high frequency
noise pickup. To test for such effects, bring the transceiver in slowly from a distance
of several feet from the transmitter, and observe the measurement loop for noise
affects. Always use the transceiver outside the area affected by noise.
WARNING