High accuracy self-setting plumb bob with slide hammer

High contrast spirit-level vial

High resolution digital inclinometer

Holder for a plumb bob

Horizontal evaluation datum scope

Hose water leveling instrument

Hydrostatic level and elevation measuring device

Hydrostatic level instrument

Hydrostatic level measuring and survey apparatus

Hydrostatic plumber's level

Hydrostatic sensor device and method for measuring...

Illuminated level

Inclination and acceleration sensor utilizing electrostatic capa

Inclination angle detector

Inclination angle reader and method for using same

Inclination detector device with a closed optical path

Inclination indicating apparatus

Inclination measurement apparatus

Inclination measurement apparatus

Inclination measuring device