If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Economy Magnetic Stirrer Model: P7-S Work plate size:184*184mm(7inch) Work plate material:Glass ceramic Max. stirring volume:10L Speed range:0-1500rpm Display:No Data interface:No Support clamp & temperature sensor: Optional [contact-form-7 id="263" title="Product-InquiryForm"]