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INTRODUCTION
1.1
Performance Features
•
State-of-the-art ceramic moisture sensor with chemically inert materials
coupled with physical resilience provides long-term reliability in the most
arduous applications. Robust construction also enables measurement
directly at process / pipeline pressure up to 45 MPa (450 barg/5801 psig).
•
High integrity moisture measurement from ambient to ppb level with an
exhaustive list of hygrometric units, including key parameters of natural
gas.
•
Two 4-20 mA output with confi gurable units / ranges. RS485 Modbus RTU
communication. Four built-in user-adjustable alarm contacts.
•
Assured measurement accuracy with each sensor calibrated across the
entire measurement range and certifi ed traceable to NPL (UK) and NIST
(USA).
•
User-programmable or real-time active pressure compensation for
moisture content calculation.
•
Certifi ed intrinsically safe.
•
Replaceable sensor element with Michell Calibration Exchange Service for
professional, scheduled and low cost recalibration to minimize downtime
and cost.
•
Up to four independent measurement channels with any combination of
moisture in gas and moisture in liquid measurement at low per-channel
cost.
•
Customized sampling systems to meet even the most demanding
applications.
1.2
Applications
•
Natural gas production and processing
•
Pipeline drying
•
Offshore export pipeline natural gas
•
Transmission pipeline monitoring
•
Fiscal metering/custody transfer of gas
•
Gas storage facilities
•
Refi nery recycle gas – reformer and platformer
•
LNG production processing and receiving terminals
2
Promet I.S. User's Manual
97221 Issue 5, March 2017
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