Technical Specifications For The Hydran 201I System; Hydran 201Ti Intelligent Transmitter - GE Hydran 201 i Instruction Manual

Technical Specifications for the Hydran 201i System

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HYDRAN 201TI INTELLIGENT TRANSMITTER

GENERAL
Description Continuous, on-line, intelligent gas-in-oil transmitter
Components Sensor and electronic modules housed in cylindrical enclosure
Gas Response Hydrogen (H
Medium Mineral, insulating oil for transformers
Application Transformer monitoring; specifically, detection of incipient faults in oil-filled,
ANALYTICAL PERFORMANCE
Principle Gas-permeable membrane and combustible gas detector
Sampling Method Flooded port with 1-in NPT male threads
Measurement Range 0–2,000 ppm (volume/volume, H
Accuracy For 0–2,000 ppm range: ± 10 % of reading ± 25 ppm (H
Relative Sensitivity • H
Response Time 10 minutes (90 % of step change)
External Sampling
Port
ELECTRONIC UNIT
Hardware Microprocessor; watchdog; clock
Software Real-time operating system; menu-driven interface
Functions • Gas level, hourly trend and daily trend readings
Communications User selection (one port at a time):
Part 17997
), carbon monoxide (CO), acetylene (C
2
electrical equipment
: 100 % of concentration
2
• CO: 18 ± 3 % of concentration
• C H : 8 ± 2 % of concentration
2 2
• C H : 1.5 ± 0.5 % of concentration
2 4
Designed for glass syringe with Luer stop cock; closed with 5/32-in Allen
screw
• Gas level, gas trends and fail alarms
• History logging
• Periodic sensor test
• Calibration, configuration and self-test
• Networking
• Remote control via Hydran 201Ci Controller (optional modem)
• Remote, embedded software upgrading
• RS-232 link (DB-9 connector) to connect host computer
• Supervisory link to connect H201Ci Controller
Rev. 6, March 2011
H
2
equivalent); other ranges are available
2
Appendix A
), ethylene (C H )
2 2 4
equivalent)
2
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