Description
The HYDRAN® 201Ti continuous on-lineIntelligent Transmitter is a small, cylindrical,thermally controlled enclosure installed on avalve of the transformer to be monitored. It contains the HYDRAN® sensor with its microprocessor based electronics. It is used in conjunctionwith the H201Ci-1, H201Ci-4 or the H201Ci-Ccontrollers. It is housed in a NEMA 4X instrument enclosure.
General
Instrument Components
Sensor and micro-electronic transmitter incylindrical enclosure
Responds to
H2, CO, C2H2, C2H4 (hydrogen, carbonmonoxide, acetylene, ethylene)
Medium
Electric insulating oil
Application
Transformer monitoring: specifically, detectionof failure conditions in oil-filled electricalequipment; upgrading or expansion ofexisting H201R installations
Analytical Performance
Sensor Principle
Selective gas permeable membrane andcombustible gas detector
Measurement Method
Flooded port with Dynamic OilSampling system
Sampling/Bleeding Port
5/32-inch Allen screw, fits glass syringe withLuer stopcock
Range
0-2000 ppm (Volume/Volume, H2 equivalent);other ranges available
Accuracy for 0-2000 ppm Range
± 10 % of reading ± 25 ppm (H2 equivalent)
Relative Sensitivity to H2
Reading = 100 % of H2 concentration
Relative Sensitivity to CO
Reading = 18 % ± 3 % of CO concentration
Relative Sensitivity to C2H2
Reading = 8 % ± 2 % of C2H2 concentration
Relative Sensitivity to C2H4
Reading = 1.5 % ± 0.5 % of C2H4
Sensor Response Time
10 minutes (to 90 % of step change)
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
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