Metcheck Purple Fibre Tip Recording Pen Color:Black 3mm Overall Width 4mm Pen

3mm Overall Width 4mm Pen Extension 5mm Dovetail Groove Length 10mm

Sunday start

Liquid-free aneroid mechanism for reliable operation

Four modes: instantaneous velocity

Metcheck Purple Fibre Tip Recording Pen Color:Black 3mm Overall Width 4mm PenDescription Features Specification Purple or black fibre nib to fit traditional Barigo style barograph arms. Each pen has two small dovetail grooves on the back so that the pen can be carefully slotted on to your existing barograph arm. This fibre nib is a disposable pen and therefore not intended for use with Metcheck barograph ink. This Fibre Tip Recording Pen is suitable for use with the MET 925 Jubilee Barograph. If you are unsure which barograph