GE Hydran 201i - Appendix A: Technical Specifications; Hydran 201 Ti Transmitter Specifications

MA-033 Rev. 14.0, 12-Nov-18
Hydran* 201i Instruction Manual
Page 202
Appendix A : Technical Specifications for the Hydran 201i System
A.1 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
2
), carbon monoxide (CO), acetylene (C
2
H
2
), ethylene
(C
2
H
4
)
Medium
Mineral, insulating oil for transformers
Application
Transformer monitoring; specifically, detection of incipient faults
in oil-filled electrical equipment
ANALYTICAL PERFORMANCE
Principle
Gas-permeable membrane and combustible gas detector
Sampling Method
Flooded port with 1 in NPT male threads
Measurement
Gas: 0-2,000 ppm (volume/volume, H2 equivalent) other ranges
available
Accuracy
For 0–2,000 ppm range: ± 10% of reading ±25 ppm (H
2
equivalent)
Relative
Sensitivity
H
2
: 100 % of concentration
CO: Typical 15 ± 4 % of concentration
C
2
H
2
: Typical 8 ± 2 % of concentration
C
2
H
4
: Typical 1.5 ± 0.5 % of concentration
Response Time
10 minutes sensor response (90 % of step change)
External
Sampling Port
Designed for glass syringe with Luer stop cock; closed with
5/32-in (approximately 4 mm) Allen screw