Movable or double index — to mark a pressure reference

• For series 7470-7570 and 7870B-7970B • Drag pointers, or minimum and maximum pointers • Set pointers or dual set pointers • Red or green mark • Coloured adhesive labels The maximum pointer (red) records the highest pressure reached by the gauge. It is reset with a key (included). The dual-pointer model records a minimum value with the green pointer and a maximum value with the red pointer. Resetting is done with a knob on the window. The set pointer (red) marks a pressure reference. It is adjusted with a key (included). The dual set pointer model marks a minimum value with the green pointer and a maximum value with the red pointer. Resetting is done with a knob on the window. The maximum pointer or the set pointer is fitted by us before delivery, on order.