Adjusting the Solder Pot's Temperature
FX-301 Soldering Pot
The Hakko FX-301 Soldering Pot is equipped with a digital indicator of pot temperature to enable correct temperature control. Simply change the temperature by pressing the up or down buttons to the right temperature.
FX-300 Soldering Pot
The Hakko FX-300 Soldering Pot is an analog-type in which the temperature is adjusted by turning a knob.
The knob temperature indication is a reference temperature. Note that actual temperature may vary depending on individual product differences and usage methods.
Approximate temperatures:
| Knob | 50mm x 50mm pot | 75mm x 75mm pot |
| 1-3 | 200°C (400°F) | 200°C (400°F) |
| 3-4 | 300°C (570°F) | 300°C (570°F) |
| 4-5 | 400°C (750°F） | 350°C (660°F) |
| 5-6 | 450°C (840°F） | 380°C (720°F) |
Temperature Measurement
Connect the A1310 Temperature Probe for the solder pot to the Hakko FG-101B Soldering Tester or the Hakko FG-100B Thermometer and insert the end to of the probe into the center of the solder in the pot to measure the temperature.
The temperature indicated on the FX-301 and the thermometer may differ sometimes due to the work environment. In this case, adjust the offset value according to the instruction manual.