A Word About Calibration
Weller® Soldering Systems are designed and manufactured to strict quality specifications and do not require calibration due to the use of Microprocessor Temperature Control and the use of precision Platinum (RTD - Resistance Temperature Detector) Sensors. Unlike conventional technologies which required the use of potentiometers (pots) to make adjustments to the control parameters for analog circuitry, the Weller WD series of soldering systems provide the use of stored microprocessor control parameters that do not require adjustments.
Weller WD soldering systems meet or exceed the Temperature Stability Requirements for MIL-STD-2000A (± 10° F / ± 6° C) and IPC/EIA J-STD-001C - Appendix A (± 9° F/ ± 5° C) of the idle tip temperature. These requirements address the capability of the soldering system to control the stability of the soldering irons tip temperature under an idle condition (not loaded or under a heat sink condition).
Weller also provides an individual manufacturer's specification for Temperature Accuracy. An "Out of the Box" accuracy tolerance of ± 2% of the station setting (850° F Maximum Setting = ± 17° F). Additionally, for the convenience of our customers who may demand an even greater Accuracy requirement, Weller offers a Tip Temperature "Offset" Feature that allows the individual customer the capability of "fine tuning" the actual tip temperature to a much closer tolerance.
The "Offset" Feature can be performed by activating the Special Functions menu. The "Offset" Feature is not a requirement for calibration, but is instead an avenue for providing a greater means of accuracy, if desired. If an "Offset" is input into a Weller Soldering System, the Special Functions menu may also be used to revert back to the Factory Default Values by initiating the factory "CAL" Key. At this time, the factory default parameters will be restored.
Note: Tip Temperature Accuracy depends greatly on the method of measurement used. We recommend the use of the Weller Model WA2000 Soldering Tool Analyzer for temperature accuracy or stability. Weller also recommends the use of a calibration tip assembly with a welded thermocouple for the highest degree of accuracy. Consult your nearest Weller representative or distributor for more details on availability.
These number refers to -hundreds of Fahrenheit degrees, but are there any tolerances available and does a calibration with a WTT1 station make sense? (Comment this)