A&D TB:648 AC Adapter, 100–240 V / 12 V
The A&D TB:648 is the factory replacement AC adapter for A&D lab balances and weigh modules that use the 12 V inside-negative barrel. It replaces TB:248. The balance and any optional battery pack are not included.
Battery not included. The scale and any internal battery are not in this carton.
What is in the box
- One AC adapter
Verified specs
| Brand | A&D Weighing |
|---|---|
| Model | TB:648 |
| Product Type | AC adapter / power supply |
| Output | 100–240 V in / 12 V, inside-negative barrel |
| Fits | A&D lab balances and weigh modules that specify TB:648 (replaces TB:248) |
| In the carton | Adapter only. Battery not included. |
Applications
- Power a compatible scale from the wall
- Replace a lost or failed brick
- Confirm voltage, polarity, and barrel on the scale tag
Questions before you order
Questions on compatibility, calibration, or what is in the box? All Scales USA, 21249 FM 529 Rd, Cypress, TX 77433. Call (832) 766-5410 or email pete@allscales.com. Also: (281) 656-2666 · (832) 290-3120.
Specifications
Brand A&D Weighing Model TB:648 Product Type AC adapter / power supply Output 100–240 V in / 12 V, inside-negative barrel Fits A&D lab balances and weigh modules that specify TB:648 (replaces TB:248) In the carton Adapter only. Battery not included. Applications & Industries
- Power a compatible scale from the wall
- Replace a lost or failed brick
- Confirm voltage, polarity, and barrel on the scale tag
Contact Us
Questions on compatibility, calibration, or what is in the box? All Scales USA, 21249 FM 529 Rd, Cypress, TX 77433. Call (832) 766-5410 or email pete@allscales.com. Also: (281) 656-2666 · (832) 290-3120.
Model
TB:648Product Type
AC Adapter


