Quick view Welch Allyn ABPM 6100 Welch Allyn ABPM 6100 Welch Allyn ABPM 6100-S is an accurate 24-hour ambulatory blood pressure monit MSRP: Was: Now: £39.60 - £1,518.00 (Inc. VAT) MSRP: Was: Now: £33.00 - £1,265.00 (Ex. VAT)