High-resistance reinforced phenolic based (PF) Duroplast, black colour, glossy finish.
Indicator housing
Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, matte finish.
Standard executions
Black-oxide steel hub, not drilled.
See table for maximum permissible boring diameter d max and depth p max.
- VR-GXX: without handle.
- VR-GXX+I: with revolving handle I.301+x in Duroplast, black colour, glossy finish.
VR-XX three-spoke handwheels can be used with analogue and digital-analogue gravity indicators.
To choose the indicator see the table below for possible assembly with indicators.
See also "Assembly instructions" for gravity indicators.
Execution with hand reset: the indicator reading can be reset in any position within the positioning range, so that further readings can be referred to the reset point. To reset the reading turn the indicator housing until the two pointers reach the zero position, by keeping the indicator body still. By so doing the relevant position (phase) between the indicator and the handwheel can be changed by a small effort, but enough to avoid any accidental phase displacement.