Simply unscrew the top
cap to check level. Slowly pull graduated tape up; when liquid level is reached,
the tape locks onto the magnet inside the float and indicates level of liquid in
drum. Scale is calibrated in 1/16" and 1mm increments for accurate measurement.
When finished, push scale down and replace cap.
PVC DIPTAPE Level Indicator has PVC wetted parts. Designed for lower cost,
general purpose use. Screws into 2" NPT bung opening.