Emerson 3051S Specifikace stáhnout pdf (Strana 29)

Quick Start Guide

May 2015

7. Cable entry, certified by NEPSI with type of protection Ex d IIC in accordance

with GB3836.1-2000 and GB3836.2-2000, should be applied when

installation in hazardous location. 5 full threads should be in engagement

when the cable entry is assembled onto the transmitter. When pressure

transmitter is used in the presence of combustible dust, the ingress of

protection of the cable entry should be IP66.

8. The diameter of cable should observe the instruction manual of cable entry.

The compressing nut should be fastened. The aging of seal ring should be

changed in time.

9. Maintenance should be done in non-hazardous location.

10. End users are not permitted to change any components inside.

11. When installation, use and maintenance of transmitter, observe following

standards:

GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres Part 13:

Repair and overhaul for apparatus used in explosive gas atmospheres”

GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres Part 15:

Electrical installations in hazardous area (other than mines)”

GB50257-1996 “Code for construction and acceptance of electric device for

explosion atmospheres and fire hazard electrical equipment installation

engineering”

GB15577-1995 “Safe regulation for explosive dust atmospheres”

GB12476.2-2006 “Electrical apparatus for use in the presence of combustible

dust – Part 1-2: Electrical apparatus protected by enclosures and surface

temperature limitation – Selection, installation and maintenance”

I3 China Intrinsic Safety

Certificate: 3051S: GYJ111401X [Mfg USA, China, Singapore]

3051SFx: GYJ11.1707X [Mfg USA, China, Singapore]

3051S-ERS: GYJ111265X [Mfg USA, China, Singapore]

Standards: 3051S: GB3836.1-2000, GB3836.4-2000

3051SFx: GB3836.1/4-2010, GB3836.20-2010, GB12476.1-2000

3051S-ERS: GB3836.1-2000, GB3836.4-2000

Markings: 3051S, 3051SFx: Ex ia IIC T4

3051S-ERS: Ex ia IIC T4

Special Conditions for Safe Use (X):

1. Symbol “X” is used to denote specific conditions of use:

For output code A and F: This apparatus is not capable of withstanding the

500V r.m.s. insulation test required by Clause 6.4.12 of GB3836.4-2000.

2. The ambient temperature range is:

Output code Ambient temperature

A -50 °C ≤ T

≤ +70°C

F -50 °C ≤ T

≤ +60°C

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