2
INSTALLATION
8
OPTIFLEX 2200 C/F
www.krohne.com
03/2019 - 4005066003 - AD NEPSI OPTIFLEX2200 R03 en
2.1 Precautions
2.1.1 General notes
2.1.2 Electrostatic discharge
WARNING!
When you install the device, obey the conditions in the certificate of conformity.
You can download the certificate from our internet site.
DANGER!
This installation must agree with Chinese Law and NEPSI regulations. For more data, refer to
the related NEPSI explosion protection certificates of conformity and these Chinese National
Standards:
•
GB 505257
GB 505257
GB 505257
GB 505257: Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering,
•
GB 3836.13
GB 3836.13
GB 3836.13
GB 3836.13: Electrical apparatus for explosive gas atmospheres
–
Part 13: Repair and
overhaul for apparatus used in explosive gas atmospheres,
•
GB 3836.15
GB 3836.15
GB 3836.15
GB 3836.15: Electrical apparatus for explosive gas atmospheres
–
Part 15: Electrical
installation in hazardous area (other than mines), and
•
GB 3836.16
GB 3836.16
GB 3836.16
GB 3836.16: Electrical apparatus for explosive gas atmospheres
–
Part 16: Inspection and
maintenance of electrical installation (other than mines)
DANGER!
The device contains a PTFE boundary wall between the process and the signal converter. Do not
use the device in the process if the PTFE part is not resistant to corrosion by the tank product.
DANGER!
Risk of electrostatic discharge from:
•
the painted surfaces of the aluminium housing
•
the plastic protective sheathes (PVC, PVDF or PP) on single rod probes, and
•
the coated single cable probes (PFA, PP, PTFE, FEP)
DANGER!
Take the necessary antistatic precautions if:
•
you handle the device in potentially explosive atmospheres,
•
you install the device in potentially explosive atmospheres or
•
you use the device in potentially explosive atmospheres.
Install the device correctly to prevent electrostatic discharge. Make sure that all equipment is
correctly grounded.
Make sure that the housing and adjacent objects do not rub together.
If dirt collects on the device, clean it with a damp cloth.
