Thyristor Firing Control Unit - a drop-in replacement for an aged InfraRed Dryers System on a paper machine - involved PCBs, custom transformers and metalwork - ten supplied. See Photo-1, Photo-2

Thyristor Firing Control Circuit Test Set - for bench function checks and calibration of the original and replacement Thyristor Firing Control Units-one supplied. See Photos.

Thyristor Snubber Card - a drop-in replacement to suppress voltage transients across the thyristors in an aged InfraRed Dryers System on a paper machine - ten supplied.

Pulse Decade Divider Module - to produce one pulse to a PLC for every ten pulses from a flowmeter - required because the PLC couldn't keep up with the new flowmeters in a boiler-house feedwater treatment plant - six supplied. See Photo-1, Photo-2

Alarm Annunciator Logic Card - a drop-in replacement for an aged multi-card alarm system at a town water treatment plant - four supplied.

Car Alarm Interface Unit - allows inexpensive commercial alarms to work in vehicles that have a mixture of serial and parallel sensor switches - also fixes the problem of engine immobiliser circuits causing frequent flat battery - four supplied. See Photo-1, Photo-2

60V Regulator Card - a drop-in replacement for an aged Basis Weight measurement system on two paper machines - four supplied. See Photo.

Single LED Display Module - a drop-in replacement for an aged multi-LED digital display used for speed and draw measurements on two paper machines - twelve supplied.

Pulsed Switch Unit - produces pulses with an accurate repetition frequency - a time reference used by a PLC logging electric power consumption on a large industrial site - three supplied. See Photo-1, Photo-2.

Conductivity Sensors Selector Unit - connects one of seven Toroidal Conductivity Sensors to one Analyser - selected via PLC. Compensates for different lengths of extension cable to each Sensor-switches ten leads per cable. Required for production line control by a cheese manufacturer - five supplied. See Photo-1, Photo-2, Photo-3.

Various Test Sets and Service Aids - either to clients requirements or to suit above projects.
See Photos.