Custom
Control Electronics
Custom
Control Electronics
In this gallery are examples of specially designed and manufactured electronic control units, tailored specifically to suit the customers' requirements.
They are not off the peg, they are bespoke units to fit a particular application, shown as a guide to the type of equipment Contrel can supply in large or small quantities.
3 phase controller,
relay control with triac trim,
thermocouple input
two zones, for fluid temperature control
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Solid State Energy Regulator 6 amps/230v,
for simple heater control.
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Two temperature control zones, with timers,
---------------------------------------------------- Low Voltage Electronic Thermostat,
microprocessor controller, for scientific equipment,
operating on float battery with integral battery management.
Thermocouple input,
for under/over temperature protection.
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DC power supply,
for dc clutch/brake or,
peltier cooler.
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Combined Temperature controller and LV Motor controller,
for professional laminating machine
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Control Panel for Biological Containment Cabinet,
Logic, indication and Interlocks
with LED airflow indicators.
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Horticultural Thermostat, 3kW, 230v, 
Thermistor sensor.
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Heat/cool temperature controller,
Microprocessor based, Multi-setpoint,
Daylight viewable LED display.
for a rough environment.
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The '300' open PCB controller is a low cost unit. It is designed with a wide range of options so that it can be made specifically to suit the particular application without incurring design costs.