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DAWSON KILN SITTERS
KILN CONTROLLERS

Here you can Kiln Controllers at Sheffield Pottery Ceramic Supply.

NEW!!!:
Olympic ELECTRO SITTER 3 Key Electronic Controller to replace Dawson Kiln Sitters
Olympic ELECTRO SITTER 3 Key Electronic Controller to replace Dawson Kiln Sitters
 

Olympic ELECTRO SITTER 3 Key Electronic Controller to replace Dawson Kiln Sitters


There are four main brands of controllers for electric and gas powered kilns:

  • Dawson Kiln Sitter which utilizes pyrometric cones to monitor temperature. Mechanical shut off provides extra-safe operation especially with limit timer option installed. Often used as a safety backup with Orton or Bartlett Digital controller.
  • Orton Digital Controller as found on Paragon Kilns (Sentry 2.0 etc.), Skutt and many others.
  • Bartlett Zone Control as found on Olympic, L&L, ConeArt kilns and many others. Bartlett offers a 3 key controller and the robust V6-CF.
  • Digitry controller:  Designed for the complicated firings of glass artists.

Orton Express on Paragon Glass Kiln Videos

  • Watch & Listen to D002 Sentry Xpress Cone-Fire Demonstration (3 min.)
  • Watch & Listen to D001 Sentry Xpress Ramp-Hold Demonstration (7 min)

  • Model 3K Kiln Controller Specifications

    THERMOCOUPLE INPUT TYPE K (maximum resistance 100 Ohms)
    ACCURACY +/- 10 F
    COLD JUNCTION COMPENSATION ELECTRONIC
    POWER INPUT 24V CENTER-TAP TRANSFORMER
    OPERATING TEMPERATURE RANGE 0 TO 125 F or 0 to 52 C

     

    Bartlett Instrument Company: V6CF Digital Kiln Controller


    Cone fire method
       - Used for firing ceramics
       - Easy
       - Ensures correct heat-work for each cone number and firing rate
       - As few as six key presses can have a firing programmed and       started
     Vary-fire method
       - Used for firing glass, jewelry, crystalline glazes, etc.
       - More complicated profiles
       - More freedom

    The V6-CF is Bartlett Instrument Company's fifth generation kiln controller. Each generation has improved the reliability, features and ease-of-use to make Bartlett Instrument Company's kiln controllers the most accepted on the market. With the V6-CF cone-fire method, you select 1 of the 4 firing speeds and your cone number and you're firing your ceramics with as few as 6 key presses! The vary-fire method gives you the freedom to create up to six, 8-step user programs to fire your ceramics, crystalline glazes, glass or jewelry. Other features include delay start, preheat, alarm, cone adjustments, thermocouple adjustments, F or C operation, 16 segment program, and skip step.

    Advanced features of the V6-CF's include 3-zone control and KISS (kiln interface software system) for remote programming and data collection from a personal computer!



    V6-CF Controller Specifications

    THERMOCOUPLE INPUT Available for K, S, or R
    ACCURACY +/- 10 F
    COLD JUNCTION COMPENSATION ELECTRONIC
    POWER INPUT 24V CENTER-TAP TRANSFORMER
    OUTPUTS 1 & 3 150mA at 12V; one 12V relay with 80 Ohm coil per output
    OUTPUTS 2 & 4 600mA at 12V ; four 12 V relays with 80 Ohm coil
    OPERATING TEMPERATURE RANGE 0 TO 125 F or 0 to 52 C

    Cone and Thermocouple Offsets

    Cone Offset

    CnoS Cone Offset is used to raise or lower the final temperature that is reached using the Cone Fire mode. The following apply to cone offsets:

    • The final temperature is affected only for the cone number that you change and no other cone numbers.
    • The cone offset will remain for that specific cone number until it is changed again.
    • Typing 00 (before the desired offset temperature) will raise the final temperature and increase the amount of heat work.
    • Typing 90 (before the desired offset temperature) will lower the final temperature and decrease the amount of heat work.
    • The maximum number of degrees that can be raised or lowered is 50 F (28 C)
    • Cone offsets do not affect the VARY-FIRE mode.

     

    Thermocouple Offset*

    TCoS Thermocouple (T/C) Offset is used to raise or lower the temperature that is indicated by the controller. The following apply to T/C offsets:

    • The final temperature is affected for all CONE FIRE and all VARY-FIRE programs.
    • The thermocouple offset will remain for that T/C until it is changed again.
    • Typing 00 (before the desired offset temperature) will raise the indicated temperature but it will lower the actual temperature in the kiln and LOWER the amount of heat work.
    • Typing 90 (before the desired offset temperature) will lower the indicated temperature but it will increase the actual temperature in the kiln and INCREASE the amount of heat work.
    • The maximum number of degrees that can be raised or lowered is 50 F (28 C)
    • T/C offset affects both CONE FIRE and VARY-FIRE modes.

    * T/C OFFSET is available on the V6-CF controller using the SMT600 circuit board (first manufactured March 1999).

     

      CONE Offset T/C Offset
    To Correct Under-firing Set positive (00) cone offset Set negative (90) t/c offset

    To Correct Over-firing

    Set negative (90) cone offset Set positive (00) t/c offset

    How to Change:

    V6-CF:
    Press OTHER til CnoS. Press ENTER.
    Enter cone #.
    Press ENTER.
    Enter offset amount.
    Press ENTER.

    THP600 (RED panel):
    *,1, 9, 9, 9.
    Press ENTER.
    Enter cone #.
    Press ENTER.
    enter offset amount.
    Press ENTER.

    V6-CF (single zone):
    Press OTHER til tCOS.
    Press ENTER.
    Enter offset amount.
    Press ENTER.

    V6-CF (multiple zones):
    Press OTHER til tCOS.
    Press ENTER.
    Press ENTER.
    Enter offset amount for TC 1.
    Press ENTER.
    Press ENTER.
    Enter offset amount for TC 2.
    Press ENTER.
    Press ENTER.
    Enter offset amount for TC 3.
    Press ENTER.

    THP600 (RED panel):
    not available

     

    Fine Tuning Zone Control Features

    LAG - The LAG controls the evenness of the firing. As the LAG is decreased the firing time is increased.

     

    AutoLAG - When AutoLAG is "ON" then the LAG feature does not function until the final segment of the firing. AutoLAG will decrease the firing time and it can be used if evenness of the firing is only important in the final segment.

     

    PID - Settings for PID are from 0% to 150%. The PID controls how much the middle section helps the bottom section when the bottom is lagging behind. When the bottom section is lagging and comes on at full power then the middle section fires at the current power setting to help out the bottom. The default setting is for 85%. PID does not function with 2 zone control.

     

    T/C Offsets - Thermocouple offsets are used to balance the heat work in the three zones and even the firing from top to bottom. Changing the t/c offsets usually has no effect on firing time.

     

    Shut Off (SHtO) - When shutoff is turned off (the default setting) then the average of the three zone temperatures must reach the set-point before the kiln turns off. With shutoff turned "on" then when any one of the zone temperatures reaches the set-point the kiln will transition to the next segment or if at the end go to complete. Setting the shutoff on will help prevent overfiring.

    NOTE: For kilns with heating elements in the bottom slab a more even firing is generally achieved by setting the Shutoff to "on" and setting the PID to zero.

    User Manual
    Technical Manual
    Connection Diagram
    Specifications
    FAQs
    Troubleshooting
    Cone Firing Profiles
    Zone Control Features
    Complete Control Box Wiring
    Firing Program Blank
    V6-CF Slide Show

    V6-CF Controller Specifications

    THERMOCOUPLE INPUT Available for K, S, or R
    ACCURACY +/- 10 F
    COLD JUNCTION COMPENSATION ELECTRONIC
    POWER INPUT 24V CENTER-TAP TRANSFORMER
    OUTPUTS 1 & 3 150mA at 12V; one 12V relay with 80 Ohm coil per output
    OUTPUTS 2 & 4 600mA at 12V ; four 12 V relays with 80 Ohm coil
    OPERATING TEMPERATURE RANGE 0 TO 125 F or 0 to 52 C

     

     

     


     

    Bartlett RTC 1000 Kiln ControllerBartlett Instrument Company: RTC1000 Digital Kiln Controller


        Features of the RTC 1000 include: special glass functions, add time, and edit on the fly, as well as ceramic cone-fire features; thermocouple offsets; six ramp/hold programs; zone control; add time; back key; and a recall user program to allow easier use of the controller.
        Replacement controllers for DTC 600, 800, and 1000 kiln controllers are available through Bartlett Instrument Co., the original manufacturer of these controllers. The RTC 1000 has all of the same features along with several improvements, including add time, back key, and recall user program to allow easier use of the controller.
    • Features of the DTC 1000C

    • Cone Fire
    • Preheat
    • 6 Ramp/Hold Programs
    • Zone Control
    • Thermocouple Offset

    Other Software Options

    • Ramp/Hold programs only (no Cone Fire features)
    • Jewelry Burn Out Programs

    New improved features:

    • Add Time
    • Back Key
    • Recall User Program
    • CONE FIRE METHOD - use when firing to a specific cone number using one of four speeds, "Slow Bisque", "Fast Bisque", "Slow Glaze", or "Fast Glaze".
    • PREHEAT - Used with CONE FIRE method to hold a temperature of 200 F for a specified time prior to starting the firing. This can be used for drying ware.

    Communicates with personal computer equipped with KISS software.


    RTC1000 TECHNICAL SPECIFICATIONS

    THERMOCOUPLE INPUT TYPE K (maximum resistance 100 Ohms)
    ACCURACY +/- 10 F
    COLD JUNCTION COMPENSATION ELECTRONIC
    POWER INPUT 24V CENTER-TAP TRANSFORMER
    OUTPUTS 1 & 3 150mA at 12V ; one 12 V relay with 80 Ohm coil per output
    OUTPUTS 2 & 4 600mA at 12V ; four 12 V relays with 80 Ohm coil
    OPERATING TEMPERATURE RANGE 0 TO 125 F or 0 to 52 C

     

    User Manual
    Technical Manual
    Connection Diagram
    Specifications
    Cone Offset and Thermocouple Offset
    Zone Control Features
    Complete Control Box Wiring

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    Kiln Controllers at Sheffield Pottery Ceramic Supply
    Sheffield-Pottery.com
    Route 7
    P.O. Box 399
    Sheffield, MA
    01257
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