A low-cost Weller digital station for hobby and household repair, with a quick heat-up and standby mode.
Amazon $84.59The 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.
A drop-in Metcal MX-500 replacement for shops already invested in that tip range. Newcomers get more flexibility from an adjustable cartridge station.
Amazon $399Which should you buy?
- Choose the Weller WLSKD7012A for value ($1.21 per watt ($84.59, 70 W) vs $9.97 per watt ($399, 40 W)) and power (70 W iron vs 40 W iron).
- Choose the Thermaltronics TMT-9000S-1 for features (cartridge tips, auto sleep or standby vs auto sleep or standby, calibration) and stability (±1.1 °C at idle vs ±2 °C at idle).
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 weight | Weller WLSKD7012A | Thermaltronics TMT-9000S-1 |
|---|---|---|
| Overall rating | 3.1/5 | 2.7/5 |
| Value 25% | 62 $1.21 per watt ($84.59, 70 W) | 0 $9.97 per watt ($399, 40 W) |
| Power 25% | 35 70 W iron | 0 40 W iron |
| Top temperature 10% | 80 up to 480 °C | 50 temperature is set by the tip cartridge (neutral score used) |
| Stability 10% | 80 ±2 °C at idle | 98 ±1.1 °C at idle |
| Features 20% | 30 auto sleep or standby, calibration | 45 cartridge tips, auto sleep or standby |
| Warranty 10% | 0 warranty not published, scored as none | 100 4-year warranty |
Specifications
| Weller WLSKD7012A | Thermaltronics TMT-9000S-1 | |
|---|---|---|
| Soldering iron | ||
| Iron power | 70 W | 40 W |
| Station power | 300 W | - |
| Temperature range | 100-480 °C (212-896 °F) | - |
| Idle stability | ±2 °C | ±1.1 °C |
| Heat-up time (not scored) | 15 s (100 to 340 °C) | - |
| Tip system | Weller | Thermaltronics M Series cartridge |
| Tips included | Yes | Yes |
| Features | ||
| Display | LED | LCD |
| Ports | 1 | 2 |
| Auto sleep or standby | Yes | Yes |
| Preset temperatures | - | None |
| Calibration | Yes | No |
| Build | ||
| Weight | - | 7.7 lb |
| Warranty | - | 4 years |
