
3.1.7 Gas safety during installation
While installing or uninstalling the device, there is a risk of
flammable gas release or flame entrance.
WARNING!
Exposure to hazardous gases (for example, hydrogen sulfide
(H
2
S)) is possible when installing or removing the probe from the process.
• Always follow local safety guidelines. Ensure that the work area is safe and
meets local regulations (for example, related to ventilation and personal
protective equipment).
• Use a personal gas detector to monitor the safety of the area you are
working in.
• After installation, use a gas detector to ensure that process connections are
leak-free.
WARNING!
To avoid compromising the leak tightness of the installation:
• Ensure that the thread type of the installation port is 1.5" female NPT. If
unsure, verify the thread type with the 1.5" NPT thread test plug.
• Apply PTFE tape to the 1.5" male NPT thread of the probe as instructed in
Preparing probe for installation (page 26)
, and make sure that the PTFE tape
seal has not been damaged by rotating the probe open (counter-clockwise)
in the installation port.
CAUTION!
Chapter 3 – Installation
25
陕西威瑞仪器仪表有限公司 生产代理销售:实验检测设备 气象科学仪器设备
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