H—Signify the vertical dimension of reversed assembling movement's needle pivot to Mounting holes of attachment.
L—Signify the length of needle pivot (which means shaft gear).
Product Nam: Movement for 4 inch diaphragm pressure gauge
Material: stainless steel 304 or brass
Transmission ratio: 17
Movement's shaft gear: 12
Color: Original color
Certificate: ISO9001; ISO14001
Used: Diaphragm pressure gauge