Thermocouples by nature need to be referenced. The reading they give is referenced to a "cold junction" in order to calculate the temperature. In many traditional setups this is a junction kept at 0 degC, thus the name cold junction. In our units this is in fact a thermistor inside the unit. All ca...

How should the red/green LED be interprated?
Is is normal operation for it to mostly red and flash shortly green (the frequency depends on the settings in picolog recorder)

I am a new user so just worried over a product flashing with red indications under normal operation.