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EPRX 
The EPRX is an accurate, cost-effective 4-20mA
Three-wire RTD loop powered transmitter. With
Resistance bulbs, output is linear to temperature.
As well as standard 2-wire or 3-wire resistance bulbs,
optional differential resistance bulb or 2-wire and
3-wire potentiometer inputs may be specified. The
device is designed for high stability using high
precision chopper stabilised amplifiers, operates with
an 8.5 to 50VDC supply range (6.5 to 40V optional and has
standard RFI / EMI immunity. Noninteracting Zero and Span
adjustments simplify calibration. The transmitter is available
in the economy Din Housing ECD and a hockey-puck HPP housing
for the ANSI thermocouple head. .
RTXL.................................................................................
The RTXL is an accurate, low cost 4-20mA loop powered RTD
temperature transmitter. The RTXL features linearization of
the platinum RTD signal to produce a linear output that is accurate
to within 0.1% of span. The RTXL fits directly into an ANSI thermocouple
connector head assembly..
TTX.................................................................................
The The TTX is an accurate, low cost 4-20mA loop powered linearised
thermocouple and mV temperature transmitter. The TTX accepts any
standard thermocouples input, and through a 7-9 point characterisation
circuit, provides a linear 4-20mA output. The TTX has a very effective
Cold Junction Comensation circuit that accurately tracks the thermocouple
non-linearities over the ambient range –20C to +70C with a maximum error of 1C in 40.
TTX is not isolated, and must be used in conjunction with either an ungrounded
sensor or an isolator. The TTX is available in the Economy Din Housing ECD and a
Hockey-puck HPP housing for the ANSI thermocouple head. The Head-mounted version
eliminates the need for expensive compensation wire, The TTX features RFI / EMI immunity. .
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electable baud-rate and line control..
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