--- title: AutoMet 300 Pro Grinder Polisher Touch Screen Programmable PCB url: https://www.buehler.com/uk/products/grinding-and-polishing/grinder-polishers/automet-300-pro-grinder-polisher-touch-screen-programmable-pcb/ date: 2021-10-11T16:07:21+00:00 modified: 2026-05-06T19:53:31+00:00 lang: en_GB --- # AutoMet 300 Pro Grinder Polisher Touch Screen Programmable PCB # AutoMet® 300 Pro Grinder-Polisher [![AutoMet® 300 Pro Grinder-Polisher](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/08/AutoMet-300-Pro_Front-600x600-1.png)AutoMet® 300 Pro Grinder-Polisher](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/08/AutoMet-300-Pro_Front-600x600-1.png)[![AutoMet® 300 Pro](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-300-Pro-with-Burst.jpg)AutoMet® 300 Pro](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-300-Pro-with-Burst.jpg)[![AutoMet® Grinder-Polisher Series](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-Series_7.jpg)AutoMet® Grinder-Polisher Series](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-Series_7.jpg)[![AutoMet® CarbiMet](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-CarbiMet_15.jpg)AutoMet® with CarbiMet](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-CarbiMet_15.jpg)[![AutoMet with Burst Menu](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-Screen-with-Burst-Menu_5.jpg)AutoMet with Burst Menu](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-Screen-with-Burst-Menu_5.jpg)[![AutoMet with Burst Screen](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-Screen-Method-with-Burst_6.jpg)AutoMet with Burst Screen](https://www.buehler.com/uk/wp-content/uploads/sites/4/2023/11/AutoMet-Screen-Method-with-Burst_6.jpg) ## AutoMet 300 Pro ### Semi-Automatic Grinder-Polisher The semi-automatic AutoMet 300 Pro grinder-polisher machine is ideal for the highest volume and most demanding environments. This robust machine, compatible with a 12in \[305mm\] maximum platen, 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 300 Pro benefits Largest Volume and Sample Size - Great for samples up to 50mm in diameter - Compatible with higher volume sample holders - 2hp \[1.5kW\] motor for higher volume processing Improved Surface Quality and Consistency - Multi-step method storage for sample consistency - Z-axis removal for a consistent grind - Automated dispensing with up to 5 Burst units for consistency and so users can perform other task during polishing; controlled from touchscreen Easy to Use - Intuitive touchscreen - Quick load sample holders - Compatible with Apex S and Magnetic platen systems for fast consumable changing - Rinse and Spin feature to clean the polishing surface and bowl Ordering | AutoMet 300 Pro | | | | --- | --- | --- | | Part Number | Voltage | Request a Quote | | 49-7268 | 170-240VAC, 50-60Hz | [Request a Quote](https://www.buehler.com/uk/buehler-request-a-quote-uk.php?pn=49-7268) | Specifications | AutoMet 300 Pro | | | --- | --- | | Machine Power | 170-240VAC, 50/60Hz, 1 phase | | Motor Power | 2Hp \[750W\] | | Platen Diameter | 2in \[305mm\] | | Platen Wheel Speed | 50-400rpm 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 | 2.3kW, 10A @ 230VAC | | Base & Head Power Usage | 3.6kW, 15A @ 230VAC | | Membrane Control Panel for 300 Pro | Three 3-digit LED displays, 14 status LED’s; Units: Metric or Imperial | | Touchscreen Control Panel for 300 Pro | Full color LCD Screen; 7in \[175mm\] diagonal; NEMA4 (IP65) water resistant | | Base Sound Rating | (1.5ft, 0.5m)distance no load 51.5dB @ 100rpm | | Base & Head Sound Rating | 64.5dB @ 100/60rpm | | Weight | 219lbs \[99kg\] | | Compliance CE; | EC applicable directives | | Specifications | Power Head | | Machine Power | 0.75Hp \[560W\] | | Speed | 50-150rpm in 10rpm increments | | Central Specimen Force | 10-120 lbs \[40-535N\] | | Single Specimen Force | 1-20 lbs \[5-90N\] | | Central Force Specimen Capacity | 1in, 1.25in, 1.5in, 2in, 25mm, 30mm, 40mm, 50mm and large or irregular specimens | | Single Force Specimen Capacity | 1in, 1.25in, 1.5in, 2in, 25mm, 30mm, 40mm, 50mm | | Air Supply Pressure | 35psi \[2.4bar\] | | Power Usage | 1.3kW, 5.65A @ 230VAC | | Weight | 92 lbs \[42kg\] | | Compliance CE; | EC applicable directives | ##### Consumables and Accessories [![Burst Dispensing System](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/Burst_Stadium-150x150.png)](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/burst-dispensing-system/) [Burst Dispensing System](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/burst-dispensing-system/) Automatic Polishing Suspension Dispensing System [![CarbiMet Abrasive Discs](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/30080080_1_CarbiMet2AbrasiveDiscsPlainBacked.png)](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/silicon-carbide-grinding-papers/) [CarbiMet](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/silicon-carbide-grinding-papers/) Silicone Carbide Grinding Paper [![MetaDi Diamond Suspension](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/406530_1_MetaDiDiamondSuspension.png)](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/diamond-suspensions-and-paste/) [MetaDi](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/diamond-suspensions-and-paste/) Diamond Polishing Suspension [![Polishing Cloths](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/162002_1_PolishingCloths.png)](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/polishing-cloths/) [Polishing Cloths](https://www.buehler.com/uk/products/grinding-and-polishing/accessories-and-consumables/polishing-cloths/) Polishing cloths for AutoMet 250 [![WDSFILT7501 AquaDel Recirculation Tank](https://www.buehler.com/uk/wp-content/uploads/sites/4/2026/05/WDSFILT7501_AquaDel-Recirc-Tank.jpg)](https://www.metallography.biz/product-information.php?pid=WDSFILT7501) [Recirculating Tank System](https://www.metallography.biz/product-information.php?pid=WDSFILT7501) For AutoMet 300 Pro ###### Related Products [![AutoMet® 250 Pro Grinder-Polisher](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/AutoMet-250_Front_Black-600x600-1.png)](https://www.buehler.com/uk/products/grinding-and-polishing/grinder-polishers/automet-250-pro-grinder-polisher-touch-screen-programmable/) 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30](https://www.buehler.com/uk/products/grinding-and-polishing/grinder-polishers/ecomet-30-semi-automatic-grinder-polisher/) 8-12in \[203-305mm\] Semi-Automatic Grinder-Polisher [![EcoMet® 30 Manual Grinder-Polisher](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/EcoMet-30-Front.png)](https://www.buehler.com/uk/products/grinding-and-polishing/grinder-polishers/ecomet-30-manual-single-grinder-polisher/) [EcoMet® 30](https://www.buehler.com/uk/products/grinding-and-polishing/grinder-polishers/ecomet-30-manual-single-grinder-polisher/) 8-12in \[203-305mm\] Manual Grinder-Polisher Product Literature [![AutoMet Sell Sheet English](https://www.buehler.com/uk/wp-content/uploads/sites/4/2021/10/AutoMet-Sell-Sheet_English.jpg)](https://www.buehler.com/assets/Brochures/English/Grinding-Polishing/AutoMet_Sell_Sheet_Web.pdf) [AutoMet Sell Sheet](https://www.buehler.com/assets/Brochures/English/Grinding-Polishing/AutoMet_Sell_Sheet_Web.pdf) [![AutoMet Brochure 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