RayTek MI3 User Manual

Inputs
MI3 Rev. G Nov/2015 47
Figure 30: FTC3 for Holding the Output Temperature
7.5 Laser Switching
Function:
Laser switching on/off
Signal:
digital low/high
Terminal:
FTC3, GND
The FTC3 input can also be used as an external trigger to switch the laser (only available for selected
sensing head models). A transition at the input from logical high level toward logical low level will
switch the laser. All sensing heads are effected by the FTC3 input at the same time.
Figure 31: Wiring of FTC3 as Laser Switching
object temperature
output temperature
Trigger
Temp
Time

RayTek MI3 Specifications

General

Spectral Response	8 to 14 µm
Response Time	500 ms
Display Resolution	0.1 °C
Accuracy	±1% or 1°C (2°F), whichever is greater
Emissivity	Adjustable 0.10 to 1.00