IM 01E21A03-01EN
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<2. Explosion Protection Type>
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2.4 Operation
• Take care not to generate mechanical spark when
access to the product and peripheral devices in
hazardous locations.
• Take care the following warning marking when
the opening the cover.
Integral Flowmeter and Remote Transmitter
• Take care the following warning marking “AFTER
DE-ENERGIZING, DELAY 20 MINUTES
BEFORE OPENING”.
Remote Sensor
• Take care the following warning marking “OPEN
CIRCUIT BEFORE REMOVING COVER”.
2.5 Maintenance and Repair
Only personnel authorized by Yokogawa Electric
Corporation can repair the equipment
2.6 Specic Condition of Use
• In the case the electrodes and/or grounding rings
are made of titanium, the sensor should be kept
away from impacts and frictions in hazardous
locations.
• Electrostatic charges on the non-metallic
parts(excluding glass parts) or coated parts of the
product shall be avoided.
• The applicable temperature class, ambient
temperature range and process temperature
range of the product are shown in Table 2.1 and
Table 2.2.
• From the sufety point of view the intrinsically
safe circuit of product shall be assumed to be
connected to ground.
• The product shall be installed as over-voltage
category II.
• Remote sensor, for connection to a Remote
Transmitter authorized by Yokogawa Electric
Corporation.
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