VST coffee refractometer. In great working condition, needs new batteries. Costs £750 new. Missing the syringes, but including a bag of 75 espresso filters (£162 for 100 at hasbean) Brand: VST Condition: Used: Good Working Condition Public discussion (3) Sean 9 days ago Is it a built in battery or one that can be easily changed Alexander 9 days ago Can be easily changed. If i have one lying around I'll just do it myself Sean 9 days ago Do you have any closer photos of the device? You must log in to send a new comment.