MA-033 Rev. 14.0, 12-Nov-18
Hydran* 201i Instruction Manual
Intelligent combustible gas monitor and transmitter device
for dissolved gas in oil
Intelligent combustible gas and moisture monitor and
transmitter device for dissolved gas in oil
Application software (Microsoft Windows) used to interface
with one or several Hydran 201Ti units using a laptop or
desktop computer.
Hertz (unit for frequency)
International Electrotechnical Commission
Intelligent Electronic Device
Institute of Electrical and Electronics Engineers
Data obtained from laboratory analysis of gas samples
Local network of Hydran 201Ti units or Hydran 201i systems
using RS-485 link
User location where the data of the remote site is being
analyzed
milli-Ampere Direct Current
Menu that gives access to the most frequently used
operation parameters and commands of the Hydran 201Ti
Group of parameters and values accessed through a
hierarchical, treelike structure
Standard serial communications protocol originally
published by Modicon (now Schneider Electric) in 1979 for
use with its programmable logic controllers (PLCs). Currently
is managed by Modbus Organization (www.modbus.org). It
is a commonly available means of connecting industrial
electronic devices.
MOdulator/DEModulator (a communication device)