The new Watlow Ultramic 600 Heaters are designed for thermal applications where the high performance of an advanced ceramic heater is required to ensure optimal effectiveness of the equipment and process. Ultramic 600 heaters are constructed of aluminum nitride (AIN) and incorporate a thermally matched proprietary heating element that provides maximum performance in challenging applications. AIN is especially suitable for applications requiring a clean, non-contaminating heat source. Additionally, the excellent geometric stability ensures consistent part-to-part thermal contact during heating cycles.


Current lead time is 3-4 Weeks, FOB: St. Louis, MO.

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All Variations

Part No.DescriptionPriceQuantityAdd to Cart
CER-1-01-00002Ultramic Heater$1,017.70
CER-1-01-00374Ultramic Heater$992.35
CER-1-01-00093Ultramic Heater$318.10
CER-1-01-00097Ultramic Heater$254.55
CER-1-01-00333Ultramic Heater$445.30
CER-1-01-00334Ultramic Heater$445.30
CER-1-01-00335Ultramic Heater$286.30
CER-1-01-00540Ultramic Heater$445.30
CER-1-01-00541Ultramic Heater$1,017.70
CER-1-01-00542Ultramic Heater$992.35
CER-1-01-00001Ultramic Heater$623.40
CER-1-01-00003Ultramic Heater$445.30
CER-1-01-00004Ultramic Heater$623.40
CER-1-01-00005Ultramic Heater$636.10
CER-1-01-00007Ultramic Heater$992.35
CER-1-01-00098Ultramic Heater$254.55
CER-1-01-00105Ultramic Heater$318.10
CER-1-02-00001Ultramic Heater$623.40
CER-1-02-00002Ultramic Heater$992.35
CER-1-02-00074Ultramic Heater$636.10

Watlow Ultramic heaters can operate up to 600°C with an ultra-fast ramp rate of up to 150°C per second depending on the application, heater design and process parameters. In addition to excellent thermal characteristics, the Ultramic 600 has high electrical isolation and typically provides superior chemical resistance as compared to traditional metal heaters.


  • Robust AIN Ceramic – Provides durable heater construction and thermal transfer necessary for high temperature and long heater life. Process temperatures up to 600°C (1112°F).
  • Rapid Prototyping – Custom prototypes can be delivered in weeks.
  • Superior Electrical Performance – Low leakage current; high breakdown voltage.
  • High Thermal Conductivity – Fast temperature ramp rate of up to 150°C (270°F) per second. Quick cool-down. Extremely uniform temperatures over the heater surface.
  • Thermocouple – Integrated into the assembly (patent pending)
  • UL Agency Compliance (pending)


Code No. Dimensions
mm (in.)
Watts Volts Lead
CER-1-01-00002 25mm x 25mm
(0.98 in x 0.98 in)
High 967 240 Note 1
CER-1-01-00374 50mm x 50mm
(1.97 in x 1.97 in)
Medium 1938 240 Note 1
CER-1-01-00093 25mm x 25mm
(0.98 in x 0.98 in)
Low 150 120 Note 1
CER-1-01-00097 19mm x 19mm
(0.75 in x 0.75 in)
Low 200 120 Note 1
CER-1-01-00333 15mm x 15mm
(0.59 in x 0.59 in)
Medium 150 48 Note 1
CER-1-01-00334 12mm x 12mm
(0.47 in x 0.47 in)
High 200 48 Note 1
CER-1-01-00335 8mm x 8mm
(0.31 in x 0.31 in)
Low 21.5 12 Note 2
CER-1-01-00540 12mm x 12mm
(0.47 in x 0.47 in)
Medium 100 24 Note 1
CER-1-01-00541 25mm x 25mm
(0.98 in x 0.98 in)
High 800 120 Note 1
CER-1-01-00542 50mm x 50mm
(1.97 in x 1.97 in)
Medium 1500 240 Note 3
CER-1-01-00001 25mm x 15mm
(0.98 in x 0.6 in)
High 580 120 Note 1
CER-1-01-00003 50mm x 10mm
(1.97 in x 0.39 in)
Medium 582 120 Note 1
CER-1-01-00004 50mm x 10mm
(1.97 in x 0.39 in)
High 770 240 Note 1
CER-1-01-00005 50mm x 25mm
(1.97 in x 0.98 in)
Medium 1453 240 Note 1
CER-1-01-00007 75mm x 25mm
(2.95 in x 0.98 in)
Medium 1455 240 Note 1
CER-1-01-00098 25mm x 15mm
(0.98 in x 0.6 in)
Low 180 120 Note 1
CER-1-01-00105 50mm x 25mm
(1.97 in x 0.98 in)
Low 100 120 Note 1
CER-1-02-00001 38mm OD x 29mm ID
(1.50 in OD x 1.14 in ID)
High 733 120 Note 2
CER-1-02-00002 77.5mm OD x 59mm ID
(3.05 in OD x 2.32 in ID)
Medium 770 240 Note 2
CER-1-02-00074 25.4mm dia. solid disk
(1.00 in dia. solid disk)
Medium 300 120 Note 3

• Power lead wires with 305mm (12 in.) of Teflon insulation, rated to 205°C.
• Bonded Type K thermocouple with 305mm (12 in.) Teflon insulated lead wires, rated to 205°C.
• Surface finish (Ra) <1.5 µm (60 µ-in.)
• Maximum temperature for stock heaters is 400°C.

Note 1 – Leads exit from side/edge, heater thickness is 2.5mm (0.98 in.)
Note 2 – Leads exit from top face, heater thickness is 3.0mm (0.12 in.)
Note 3 – Leads exit from side/edge, heater thickness is 3.0mm (0.12 in.)

Weight N/A
Part No.

CER-1-01-00002, CER-1-01-00374, CER-1-01-00093, CER-1-01-00097, CER-1-01-00333, CER-1-01-00334, CER-1-01-00335, CER-1-01-00540, CER-1-01-00541, CER-1-01-00542, CER-1-01-00001, CER-1-01-00003, CER-1-01-00004, CER-1-01-00005, CER-1-01-00007, CER-1-01-00098, CER-1-01-00105, CER-1-02-00001, CER-1-02-00002, CER-1-02-00074

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Watlow Ultramic Heater
$254.55$1,017.70Select options