2
1 Technical details
1.1
Product specifications
1.1.1
Product name : Temperature Sensor
1.1.2
Model name : FI–ST4-*
1.1.3
Product Overview : This product is a temperature sensor that measures fluid
temperature by embedding RTD-PT100 sensor.
1.1.4
Product specifications
Model Name
FI-ST4-*
Explosion-proof rating
II 1G Ex ia IIC T4…T6 Ga
Ambient Temperature
-20℃ ~ +50℃/+65℃/+100℃
Process Temperature
T6 : -20℃ ~ +50℃
T5 : -20℃ ~ +65℃
T4 : -20℃ ~ +100℃
Rating
DC 3 V under, 300 mA under
Sensor Type
PT 100Ω
Lead Length
Max50,000
Electric Strength
Insulation Test at 500 Vac, 60sec
Material
Protection Tube
SUS 304 / SUS 316
Spring
SUS 304 / SUS 316
Metal Braid
Tinned Copper
International Protection
IP 20
Epoxy
832HT (Black)
1.1.5
Overview of the explosion-proof rating
Ex
This device is a explosion-proof device.
ia
The device is designed by applying a non-ignition explosion-proof structure.
IIC Can be installed in the place where gas corresponding to gas category IIC is used
T6..
T4
T6...T4 temperature grade applied according to the temperature range of the measured
fluid.
1.1.5.1
Barometric pressure : 80kPa ~ 110kPa
1.1.5.2
Ambient temperature : -20℃ ~ +50℃/+65℃/+100℃
1.1.5.3
Humidity : not more than 95%
1.1.5.4
Installation location : indoor or outdoor
1.1.6
Application Criteria : Mandatory safety certification notice for protective devices(Notice No. ISO
9001:2015 & ISO/IEC 80079-34)
1.1.7
Installation criteria : IEC 60079-14
Applicable standard :
IEC 60079-20:2017, IEC 60079-11:2011, EN IEC 60079-0:2018, EN 60079-11:2012
* Specific conditions of use.
i. The equipment is intended to be connected with Zener barrier. It shall be taken into account
to follow IEC 60079-14 when installing by the user/installer.
ii. The equipment shall not be instalied in a location where the external conditions are
conductive to the build-up of electrostatic charge on the enclosure surface. In addition, the
equipment shall only be cleaned with a damp cloth.
iii. The flying leads of the temperatyre sensor must be terminated within an enclosure which
provides a degree of protection of at least IP20 with protection suitable for area of installation.