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Standard Features:

  • Temperatures up to 400°F (204°C)
  • Fiberglass oven body construction with fiberglass structural supports and painted exterior.
  • Heater and fan compartment at one end, separated from the workspace.
  • High velocity airflow for uniform airflow, even with varying load conditions.
  • Multiple door sections with silicone seal and tight closing latching mechanism allow full access to the workspace.
  • Pre-wired NEMA rated control enclosure mounted to the heater compartment.
  • Fast response open coil electric heater operated by solid state relays.
  • Removable marinite end plates can be machined to insert instruments or tooling.
  • Completely assembled, pre-wired and tested prior to shipment.
  • Protocol 3™ controller, with manual, timer and profile modes, complete with manual reset high limit



Product Specialists

Innovation Resource Center




PTC Non-Magnetic Test Oven

The PTC Non-Magnetic Test Oven is specifically designed for burn-in, qualification testing and calibration of electromagnetic downhole drilling instruments. In the field, these ovens are used for periodic calibration of the electronics on the drill tool. The oven simulates the downhole temperature conditions and validates that the instruments will work properly and accurately throughout the run.

The non-conductive oven is constructed with a fiberglass body and structural supports and is built to withstand the harsh oilfield environment. High velocity vertical down airflow with adjustable louvers ensures uniform airflow across the entire length.

PTC ovens come equipped with the Protocol 3™ microprocessor-based temperature and hi-limit controller with a large LCD display and real time clock for auto start capability. It features three operating modes: Manual, Timer, and Profile. The data-logging functionality enables reporting and analysis, and data files can be exported via the controller’s USB port.

  12 ft length 20 ft length
Physical Specifications
Work chamber dimensions
(width x depth x height)
144 x 7 x 12 in.
366 x 18 x 30.5 cm
288 x 9 x 12 in.
731.5 x 23 x 30.5 cm
Overall dimensions
(width x depth x height)
181 x 57 x 63.5* in.
460 x 145 x 161* cm
326.5 x 61.5 x 70.5* in.
829.3 x 156 x 179* cm
Workspace length
(custom lengths available)
12 ft (365.8 cm) 20 ft (610 cm)
Single phase voltage
(three phase also available)
480v 4800v
Functional Specifications
Operating range Based on 68°F (20°C) ambient temperature 150°F (66°C)
to 400°F (204°C)
150°F (66°C)
to 400°F (204°C)
Chamber temperature uniformity +/- 5°F (2.8°C) +/- 5°F (2.8°C)
Recirculating fan motor (custom sizes available) 3 HP - 1200 CFM 5 HP - 2000 CFM
Heater capacity (other sizes available) 16 KW 32 KW
Operating voltages (custom voltages available) 120 volt control circuit - step down transformer included 480v/3phase/60Hrtz 480v/3phase/60Hrtz
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