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Series
13/14 Analog Electronic Controls |
□ Relay
or solid state output models |
□
120/240V field selectable power input
□ Temperature range -90 to 600 F
□ UL recognized. AGA certification
These
analog controllers are designed for thermistor sensors. Select a standard
temperature range from -90 to +600 degrees F or specify your own range. Series
13/14 is truly a low cost answer in such equipment as vulcanizers, heat
sterilizers, hot melt applicators, photo-processors, griddles, steamers,
laboratory instruments. Each unit comes with a handsome 2.25in skirted knob
and scale calibrated in degrees F and C. Order potentiometer to suit
application.
Proportional
control
The
proportional bandwidth is a fixed temperature band about the selected set
point in which the controller anticipates and regulated power. The controller
will stabilize between zero power (off al the time) and 100% (on all the
time). The optimum system is set to use 50% power when controlling at the
desired temperature. A slow responding system can use a narrow proportional
band, but a fast reacting system should use a wide proportional band.
On/off
(differential) control
On/off
power control (non-anticipatory) may be preferred in some applications. In
this mode, controllers typically provide stability of better than ±0.5°F in a well-balanced system without overshoot. Sensitivity is
determined by the differential (factory fixed). It can be as little as 0.1°F or as much as 50°F, depending on the application.
Output
ratings
For
inductive applications or alarm requirements, relay outputs are suggested.
For
resistive heating applications, triac outputs are recommended. The triac
output can also drive an externally mounted triac when load requirements
exceed the controller output rating. See Quantem P/N 212-70038 25A Triac
“Quick-Pak”.