Watlow trivia
Where are all of the utilities in the St. Louis ATC located?
under the floor! (18in of space below the floor)
What type of material are Firerod heaters insulated with?
MgO (magnesium oxide)
This type of sensor is in a glass bead and are commonly used in the automotive industry
thermistors
Which controller in Watlow's portfolio does not have any sort of remote user interface (RUI)?
RM family
What kind of control loop can we use if we need to heat a load that is either very large or the heat source is far from the process sensor?
cascade control loop
How many megawatts does the St. Louis ATC lab have available?
1.3 MW
What are the heating element of the vast majority of Watlow's heaters made of? (the physical resistor)
NiCr (nichrome)
If you turn on your heater, and your controller starts reading a decreasing temp, what might you have done? How could you have prevented this?
crossed your wires, use a magnet to find the negative leg!
What type of mechanical relay is necessary for a safety limit?
Form A
What are the 3 modes of heat transfer?
conduction, convection, radiation
Who's "basement lab" do we have in our lab?
George Desloge
What type of heater class are the FLUENT and Ultramic heaters?
layered heaters
Which thermocouple junction style has the quickest response time?
exposed
The Watlow ASPYRE power control can switch up to how many amps?
800A (so far!)
What is an example of a non-thermal sensor that the F4T can control?
Pressure, flow, humidity
What is the machine called that compacts a cartridge heater that Watlow patented back in the day?
Swager
Who on the Global Technical Team for distribution has the expertise to design ASME-rated circulation heaters?
Vicente
a transmitter
I have a customer who wants a rugged, touch-safe SCR that can fire a heater with phase angle firing. They have price constrictions on this project. Which Watlow product should I direct them towards?
DIN-A-MITE C
What type of fusing is necessary if you want to protect your wiring and your SCR(s)?
DFJ
Watlow patented the Firerod cartridge heater in which year?
1954
Which type of Watlow duct heater has modular element blocks that can be replaced in the field?
MDH series
You have a customer who requires very accurate temperature sensing and control in a medical application. Which Watlow sensor do you direct them towards?
an RTD
What are the communication protocols available on the RM system?
Profibus DP, Ethernet I/P, Devicenet, Modbus TCP, Modbus RTU
What mode of failure does a DFJ fuse exhibit?
I^2T