from impact and abrasion when located in atmospheres that require
ELP Ga.
9.7 China
E3 China Flameproof
Certificate:
GYJ13.1386X; GYJ15.1366X [Flowmeters]
Standards:
GB3836.1-2010, GB3836.2-2010, GB3836.20-2010-2010
Markings:
Pressure Transmitter: Ex d IIC Gb, T6(–50 °C ≤ T
a
≤ +65 °C), T5(–
50 °C ≤ T
a
≤ +80 °C)
Flowmeter: Ex d IIC Ga/Gb, T6(–50 °C ≤ T
a
≤ +65 °C), T5(–50 °C
≤ T
a
≤ +80 °C)
Special Conditions for Safe Use (X):
1. Symbol “X” is used to denote specific conditions of use:
2. The Ex d blanking elements, cable glands, and wiring shall be suitable
for a temperature of 90 °C.
3. This device contains a thin wall diaphragm. Installation, maintenance
and use shall take into account the environment conditions to which
the diaphragm will be subjected.
4. The relation between T code and ambient temperature range is:
T
a
Temperature class
–50 °C ≤ T
a
≤ +80 °C
T5
–50 °C ≤ T
a
≤ +65 °C
T6
5. The earth connection facility in the enclosure should be connected
reliably.
6. During installation, use and maintenance of the product, observe the
warning “Don’t open the cover when the circuit is alive.”
7. During installation, there should be no mixture harmful to flameproof
housing
8. Cable entry and conduit, certified by NEPSI with type of protection Ex d
IIC Gb and appropriate thread form, should be applied when installed
in a hazardous location. Blanking elements should be used on the
redundant cable entries.
9. End users are not permitted to change any internal components, but
to settle the problem in conjunction with the manufacturer to avoid
damage to the product.
February 2019
Quick Start Guide
Quick Start Guide
35
