HAKKO 191 Tip Thermometer Sensor

Soldering Iron Tip Temperature Sensor Hakko 191 Temperature Monitor °C, Electrical Soldering Iron Tip Thermometer Sensor 191, 0°C - 600°C Temperature Range, 1°C Resolution, K(CA) Thermocouple Sensor, ±3°C (300°C - 500°C) Precision, Digital Liquid Crystal Display, 006P, 9V Dry Battery Powered, 
Hakko191 Digital Soldering Temperature Tester Electrical Soldering Iron Tip Thermometer Sensor Hakko 191 Measures in Celsius. 
Applications : 

• Quality control: Verifying that a temperature-controlled soldering iron is calibrated correctly.
• Troubleshooting: Identifying if a worn-out tip is causing a soldering iron to underperform.
• Checking unregulated irons: Finding the optimal settings for soldering irons that do not have built-in temperature control.