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Mon-Fri: 9-5
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The Paragon Sentry II Controller offers:
Two Firing Modes
The Sentry 2.0 operates in two modes: ceramic Cone-Fire, and custom-firing Ramp-Hold. The Sentry 2.0 on ceramic kilns comes with both Cone-Fire and Ramp-Hold. The Sentry 2.0 on glass kilns comes with Ramp-Hold mode only.
Ceramic Cone-Fire Mode
Cone-Fire fires to pyrometric cones. Simply enter cone number and firing speed (fast, medium or slow). Among the exciting features:
- Slow Cooling Adjustable cooling rate. Experiment with cooling to achieve shifts in glaze color and crystalline development.
- Customized Speeds Alter the standard Cone-Fire Slow, Medium and Fast firing speeds with the Options key.
- Skip Segment skips past Pre-Heat and Hold during firing.
- Pre-Heat maintains a drying, or candling, temperature of 200°F for the period you specify at the beginning of firing.
- Cone Table Enter a cone number. This feature shows temperature for that cone.
- Hold soaks the ware at the end of a Cone-Fire. This produces higher gloss and richer, deeper colors in some glazes.
Ramp-Hold Custom Programming Mode
Ramp-Hold allows you to infinitely adjust each part of the firing cycle. Vary the firing to obtain different effects from the same glaze.
Ramp-Hold programs are made of segments. Each segment has a temperature, firing rate, and, if desired, a temperature hold.
Features
- Skip Segment skips past any segment.
- Program Storage of one 18-segment and three 10-segment programs, even when the kiln is unplugged.
- Present Status shows which segment the kiln has reached during firing.
- Cooling Control both heating and cooling. For deeper colors, especially iron reds, experiment with slow cooling
- Hold is available in every segment.
Additional Features
- Temperature Display throughout firing and cooling in your choice of °F or °C
- Firing Cost Enter the cost of electricity and kiln amperage in Options. After the kiln fires to completion, press the 8 key for the cost of electricity to fire that load.
- Rate At the factory, we can configure a controller for you to show rate as degrees of temperature change per hour (the default), degrees of temperature change per minute, or elapsed time needed to reach a temperature.
- Stop/Back Key goes back one step with each key press during programming. Use this feature to correct programming errors.
- Add Time Key adds five minutes to a temperature hold with each key press during firing. Helpful for glass with holds
- Program Review lets you check that the program you are about to fire is correct.
- Audible Temperature Alarm to remind yourself to close a vented lid or to check the kiln near firing completion.
- 30 Month Warranty
- Thermocouple Selection The Sentry 2.0 can operate types K, S or R thermocouples.
- Error Messages report mechanical problems such as a disconnected thermocouple, bad voltage, temperature deviation.
- 14 Segment Display is easier to read than the previous 7 segment.
- Program Safety Lock for the program in active memory. Gives you peace of mind.
- Delay Fire Set the time that the firing is to start. The kiln will turn on at that time.
- LED Lights show when the relays are powered.
- Quick Release Molex Connectors permit fast removal of the controller. Replacing the Sentry 2.0 or Sentry Xpress takes only minutes.
Thermocouples
The thermocouple senses temperature inside the kiln. The standard thermocouple on most Paragon kilns equipped with the Sentry 2.0 is the ¼” Type-K. It is hermetically sealed in a metal sheath for long life. Though a precision instrument, the thermocouple wears with use, resulting in a gradual shift in temperature readout. (This wear occurs mostly above 2000°F.) If you prefer high firing to cone 10 pottery, consider the deluxe Type-S trermocouple option, the S-type is noted for its extreme longevity.
AOP Vent
The “Auxiliary Output” is available on most Paragon TnF kilns. The AOP is a relay-powered electrical receptacle mounted to the kiln. You can plug an Orton Kiln Vent into the AOP to control when the vent operates during firing.
Three Zone Firing
Standard TnF kilns are single zone; 3 zone is optional on 10- and 12-sided TnF kilns. Three zone is now faster and more accurate than on previous 3 zone controllers because of the Sentry’s time-temperature algorithm. This eliminates the temperature lag adjustment.
See the full operating demo from Paragon
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