The temperature of the part approximately 1 2 away from the heaters is used in selecting maximum allowable watt density from the graph.
Cartridge heater temperature controller.
Wattco also manufactures other industrial heating products such as infrared heaters immersion heaters pipe heaters and more.
Your contacts on the temperature controller are rated at 8a amps.
The heater element you are using uses only 3 1a so you don t really need the opto22 relay at all.
Closely controlled work temperatures up to 1400 f 760 c are obtained by a combination of heater location and proper wattage output.
Temperature controllers and sensors for cartridge heaters the sensor for the temperature control is also an important factor and should be placed between the working surface of the part and the heaters.
So your heater will never heat up at all is this what is happening.
Cartridge heaters provide localized heat to restricted work areas requiring close thermal control.
Cartridge heaters are used in many industries including packaging injection molding 3 d printing hvac and more.
Get a quote on a cartridge heater today.
Cartridge heaters will reach metal temperatures of up to 1 400ºf 760ºc with the appropriate material watt density and fit selections see figure 2 on our catalog page 7 2.
If you want to ensure that your cartridge hits the perfect temperature you ll need a reliable controller that gives you complete command of the device s heat especially if you have a cartridge heater that is used for different products or purposes.
I ve heard good things about mcmaster carr but it seems impossible to find data sheets on their website.
They are often inserted into drilled holes to heat an object.