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Conditions of use:
(1)
Use in combination with an internally isolated transmitter, or use with, a transmitter in combina-
tion with isolated barrier.
The FLXA21 is internally isolated.
(2)
Upper limit of the process temperature.
The upper limit of process temperature is indicated below when the sensor is used in combina-
tion with a YOKOGAWA transmitter.
For FLXA21, model and suffix code below is available.
FLXA21-D-□-D-EA-P1-○-A-N-LA-N-NN
□ can be any value.
○ must be NN or P1.
Any option code is available.
For PH202S, model and suffix code below is available.
PH202S-○-E
○ must be C or U.
There are no PH202S models that meet the Korean explosion proof standards.
Any option code is available.
Upper limit of process temperature on the PH8ECP
Transmitter used in combination
Ambient temperature Ta
Temperature class
T6
T5
T4
T3
T2
T1
*1:
Care about upper limit 100°C of temperature class T5 should be taken.
Other warnings are provided in the following.
WARNING
Handling precautions:
(1)
Potential electrostatic charging hazard Electrostatic charge may cause an explosion hazard.
Avoid any actions that cause the generation of electrostatic charge, e.g., rubbing with a dry
cloth.
(2)
IEC60079-14 (Electrical installations in hazardous areas) requires a label indicating 'simple
apparatus', stick this label to this sensor if necessary.
FLXA21
40°C
60°C
40°C
16
16
28
81
31
95 (*1)
105
66
105
105
105
105
105
105
105
105
105
105
<INTRODUCTION>
PH202S
60°C
28
43
78
105
105
105
IM 12B7J3-01E
7th Edition : Nov.20,2018-00
iii
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