--- title: AutoMet 250 Pro Grinder Polisher Touch Screen Programmable url: https://www.buehler.com/products/grinding-and-polishing/grinder-polishers/automet-250-pro-grinder-polisher-touch-screen-programmable/ date: 2021-10-11T16:06:25+00:00 modified: 2025-05-12T14:56:59+00:00 lang: en_US --- # AutoMet 250 Pro Grinder Polisher Touch Screen Programmable # AutoMet® 250 Pro Grinder-Polisher ![AutoMet® 250 Pro Grinder-Polisher](https://buehler.com/wp-content/uploads/2021/10/AutoMet-250_Front_Black-600x600-1.png) *AutoMet® 250 Pro Grinder-Polisher* ![AutoMet® Grinder-Polisher Series](https://buehler.com/wp-content/uploads/2023/11/AutoMet-Series_7.jpg) *AutoMet® Grinder-Polisher Series* ![AutoMet® 250 Pro Grinder-Polisher](https://buehler.com/wp-content/uploads/2023/11/AutoMet-250-3qtrs-Black-Burst-Stadium_9.jpg) *AutoMet® 250 Pro with Burst Dispensing System* ![AutoMet® CarbiMet](https://buehler.com/wp-content/uploads/2023/11/AutoMet-CarbiMet_15.jpg) *AutoMet® CarbiMet* ![AutoMet Screen Method with Burst](https://buehler.com/wp-content/uploads/2023/11/AutoMet-Screen-Method-with-Burst_6.jpg) *AutoMet Screen Method with Burst* ![AutoMet Screen with Burst Menu](https://buehler.com/wp-content/uploads/2023/11/AutoMet-Screen-with-Burst-Menu_5.jpg) *AutoMet Screen with Burst Menu* ## AutoMet 250 Pro ### Semi-Automatic Grinder-Polisher The semi-automatic AutoMet 250 Pro grinder polisher machine is compatible with a maximum 10in \[254mm\] platen and is ideal for high volume environments. This robust machine produces highly reliable results and is easy to use while having advanced features to give you the best surface finish possible. Combine with premium CarbiMet grinding paper and MetaDi diamond suspension fluid for an unparalleled surface finish. #### AutoMet 250 Pro benefits Intuitive Operation - Easy to use touchscreen - Quick load sample holders - Utilize Apex S and Magnetic platen systems to change grinding discs and polishing cloths quickly - Rinse and Spin cleans the cloth and bowl Highly consistent - Use up to 5 Burst units to automatically and consistently dispense diamond suspension; can control from touchscreen - Multi-step method storage for consistency and reduced setup time - Z-axis removal for a controlled, automatic grind Ideal for High Volume and Large Sample size - Great for samples up to 40mm in diameter - Compatible with medium to high volume sample holders - 1hp \[0.75kW\] motor for higher volume processing Ordering | AutoMet 250 Pro | | | | --- | --- | --- | | Part Number | Voltage | Request a Quote | | 49-7258 | 100 - 240VAC, 50-60Hz | [Request a Quote](https://buehler.com/buehler-request-a-quote.php?pn=49-7258) | Specifications | AutoMet 250 Pro | | | --- | --- | | Machine Power | 100-240VAC, 50/60Hz, 1 phase | | Motor Power | 1Hp \[750W\] | | Platen Diameter | 8in \[203mm\], 10in \[254mm\] | | Platen Wheel Speed | 10-500rpm in 10rpm increments | | Wheel Direction | Clockwise or Counter-Clockwise | | Water Supply Hose | 0.25in \[6mm\] OD tube | | Water Supply Pressure | 40-100psi \[25-60bar\] | | Base Power Usage | 1.1kW, 15/4.8A @ 115/230VAC | | Base & Head Power Usage | 1.73kW, 15/7.5A @ 115/230VAC | | Membrane Control Panel for 250 Pro | Three 3-digit LED displays, 14 status LED’s; Units: Metric or Imperial | | Touchscreen Control Panel for 250 Pro | Full color LCD Screen; 7in \[175mm\] diagonal; NEMA4 (IP65) water resistant | | Base Sound Rating | (1.5ft, 0.5m)distance no load 59.5dB @ 100rpm | | Base & Head Sound Rating | 61.5dB @ 100/30rpm | | Weight | 170lbs \[77kg\] | | Compliance CE; | EC applicable directives | | Specifications | Power Head | | Machine Power | 0.156Hp \[116W\] | | Speed | 30-60rpm in 10rpm increments | | Central Specimen Force | 5-60 lbs \[20-260N\] | | Single Specimen Force | 1-10 lbs \[5-45N\] | | Central Force Specimen Capacity | 1in, 1.25in, 1.5in, 25mm, 30mm, 40mm and large or irregular specimens | | Single Force Specimen Capacity | 1in, 1.25in, 1.5in, 25mm, 30mm, 40mm | | Air Supply Hose | 0.25in \[6mm\] OD tube | | Air Supply Pressure | 35psi \[2.4bar\] | | Power Usage | 630W, 5.5/2.7A @ 115/230VAC | | Weight | 70 lbs \[32kg\] | | Compliance CE; | EC applicable directives | ##### Consumables and Accessories [![Burst Dispensing System](https://buehler.com/wp-content/uploads/2021/10/Burst_Stadium-150x150.png)](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/burst-dispensing-system/) [Burst Dispensing System](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/burst-dispensing-system/) Automatic Polishing Suspension Dispensing System [![CarbiMet Abrasive Discs](https://buehler.com/wp-content/uploads/2021/10/30080080_1_CarbiMet2AbrasiveDiscsPlainBacked.png)](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/silicon-carbide-grinding-papers/) [CarbiMet](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/silicon-carbide-grinding-papers/) Silicone Carbide Grinding Paper [![MetaDi Diamond Suspensions and Paste](https://buehler.com/wp-content/uploads/2023/12/MetaDi-Diamond-Suspension-and-Paste.png)](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/diamond-suspensions-and-paste/) [MetaDi](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/diamond-suspensions-and-paste/) Diamond Polishing Suspension [![Polishing Cloths](https://buehler.com/wp-content/uploads/2021/10/162002_1_PolishingCloths.png)](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/polishing-cloths/) [Polishing Cloths](https://buehler.com/products/grinding-and-polishing/grinding-and-polishing-consumables/polishing-cloths/) Polishing cloths for AutoMet 250 Pro ###### Related Products [![AutoMet 300 Pro Grinder Polisher](https://buehler.com/wp-content/uploads/2021/08/AutoMet-300-Pro_Front-600x600-1.png)](https://buehler.com/products/grinding-and-polishing/grinder-polishers/automet-300-pro-grinder-polisher-touch-screen-programmable-pcb/) [AutoMet® Pro 300](https://buehler.com/products/grinding-and-polishing/grinder-polishers/automet-300-pro-grinder-polisher-touch-screen-programmable-pcb/) 8-12in \[203-305mm\] Semi-Automatic Grinder-Polisher [![AutoMet® 250 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