Thermaltronics TMT-9000S-1 vs Weller WLSKD7012A

Last updated: November 9, 2026

The Weller WLSKD7012A is the better soldering station overall, rated 3.1 to 2.7. The Weller WLSKD7012A leads on value and power. The Thermaltronics TMT-9000S-1 wins on features and stability. The Weller WLSKD7012A costs $314.41 less ($84.59 vs $399).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Thermaltronics TMT-9000S-1 vs Weller WLSKD7012A

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every soldering stations soldering station; a clear win is highlighted. How we rank explains each one.

Factor weightWeller WLSKD7012AThermaltronics TMT-9000S-1
Overall rating3.1/52.7/5
Value 25%62 $1.21 per watt ($84.59, 70 W)0 $9.97 per watt ($399, 40 W)
Power 25%35 70 W iron0 40 W iron
Top temperature 10%80 up to 480 °C50 temperature is set by the tip cartridge (neutral score used)
Stability 10%80 ±2 °C at idle98 ±1.1 °C at idle
Features 20%30 auto sleep or standby, calibration45 cartridge tips, auto sleep or standby
Warranty 10%0 warranty not published, scored as none100 4-year warranty

Specifications

Weller WLSKD7012AThermaltronics TMT-9000S-1
Soldering iron
Iron power70 W40 W
Station power300 W-
Temperature range100-480 °C (212-896 °F)-
Idle stability±2 °C±1.1 °C
Heat-up time (not scored)15 s (100 to 340 °C)-
Tip systemWellerThermaltronics M Series cartridge
Tips includedYesYes
Features
DisplayLEDLCD
Ports12
Auto sleep or standbyYesYes
Preset temperatures-None
CalibrationYesNo
Build
Weight-7.7 lb
Warranty-4 years

All soldering station comparisons →