Teledyne Analytical Instruments LXT-380, Instructions Manual

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LXT-380 Universal Transmitter Introduction
Teledyne Analytical Instruments
1
1.0 Introduction
The Teledyne Model LXT-380 transmitter is a single or dual
channel, intelligent, multiparameter transmitter designed for the online
continuous measurement of pH, ORP, pION, dissolved oxygen,
conductivity, resistivity and in a hazardous industrial environment. The
Model LXT-380 transmitter communicates digitally with any Teledyne
SP3X digital sensor, automatically configuring the transmitter’s menus
and display screens to the measured parameter.
The Model LXT-380 transmitter can be loop powered or 24 VDC
powered. The standard configuration has a 4-20 mA output and a RS485
serial communication port with MODBUS
®
RTU output. A HART
®
communication version (single channel version only) is also available.
Alarm relays are optionally available on any 24 VDC powered
transmitter.
1.1 MODEL LXT-380 TRANSMITTER
IECEx: ETL 17.0030X
ATEX: ITS17ATEX101945X
1180 II 2 G Ex db mb [ia IIC Ga] IIC T4 Gb
This Model LXT-380 Transmitter is intended for installation in
hazardous locations with Zone 1, Ex db mb Gb classification. Ambient
temperature conditions must be within -20°C ≤ T
a
≤ +55°C to comply
with product approval.
Power connections into the transmitter must be made with flame-
proof conduit and cable glands certified for hazardous locations and
compatible with Ex db mb Gb certified equipment.