Teledyne LXT-220 - Manual (Page 58)

Appendix LXT-220 DO
Teledyne Analytical Instruments 58
output must be specified.
Output configuration options:
MA 4-20 mA, standard
TMP 4-20 mA, Temperature (adjustable -100 to +200°C)
PID
4-20 mA, 3 mode control
% (ion) mA % concentration for display and 2nd output
(Conductivity only)
DIAG Sentinel Reference Diagnostic
As an example:
MODEL NUMBER EXAMPLE: LXT-220-PH/MA-PS2-UM
This indicates the LXT-220 Controller for pH applications with a
standard single 4-20mA output. The controller has an internal 24 VDC
power supply to power the output card. The instrument is equipped with
a universal mounting plate.