main menuSQE - Square Quartz Element

SQE - Square Quartz ElementSQE Standard Features

Iron-chrome aluminium resistance wire
Heater Voltage: 230 Volts standard (other voltages available on request)
Useful wavelength range: 1.5 - 8 microns
Recommended radiation distance from heater is 100 mm to 200 mm
Please click here for installation details
Supplied with 100mm ceramic beaded power leads


SQE Technical Details Standard Wattages
(other wattages available on request)
150 250 400 500 650 750 1000
Mean surface temperature 343° C 438° C 542° C 593° C 664° C 690° C 772° C
Max power density kW/m² ( W/inch²) 9 (5.8) 15 (9.7) 24 (15.5) 30 (19.4) 39 (25.2) 45 (29) 60 (38.7)
Average weight 386 g
Dimensions 124 x 124 x 22 mm
Useful wavelength range 1.5 to 8 µm

SQE drawing (pdf file) Warranty Details Heat up / cool down graphs
SQE pdf


Standard warranty on quartz heaters is 5000 hours under the following conditions:

  • Rated voltage is not exceeded.
  • Heaters are mounted horizontally and perpendicular to movement (if any).
  • Heaters are not subjected to any external force capable of fracturing the quartz tubes.
  • Heating coils are not exposed to chemically corrosive substances or gases.
  • Temperature of the aluminised steel body does not exceed 500°C (932°F).
SQE graph