This International Standard provides the specifications and procedures for using the H-point machine [HPM1) ]
to audit vehicle seating positions. The HPM is a physical tool used to establish key reference points and
measurements in a vehicle (see Figure 1 and Annex A). The H-point design tool (HPD) is a simplified CAD2)
version of the HPM, which can be used in conjunction with the HPM to take the optional measurements
specified in this document, or used independently during product design (see Annex D) .
These H-point devices provide a method for reliable layout and measurement of occupant seating
compartments and/or seats. This document specifies the procedures for using the H-point machine (HPM) to
audit (verify) key reference points and measurements in a vehicle.
The devices are intended for application at designated seating positions. They are not to be construed as
tools that measure or indicate occupant capabilities or comfort. They are not intended for use in defining or assessing temporary seating, such as folding jump seats.
ISO 20176:2006 history
2020ISO 20176:2020 Road vehicles — H-point machine (HPM-II) — Specifications and procedure for H-point determination
2011ISO 20176:2011 Road vehicles - H-point machine (HPM-II) - Specifications and procedure for H-point determination
2006ISO 20176:2006 Road vehicles - H-point machine (HPM II) - Specifications and procedure for H-point determination