Flexible Segmometer for Knee Height Measurement, Forearm Ulna Length ... Used but in good condition. Cescorf Flexible Segmometer for Knee Height Measurement Forearm Ulna Length Demi Span Wingspan and Identify Midpoint of Upper Arm. The Cescorf segmometer is a compact, portable solution for various body measurements. Use instead of a knee height caliper or a rigid segmometer. PROTECTIVE BAG included for safe storage and transport. SPECIFICATIONS 3m range, hard ABS plastic tips, Precision 0.5 mm; Resolution: 1mm. COMPARED TO A KNEE HEIGHT CALIPER OR OSTEOMETER a flexible segmometer is much less expensive and more compact. MEASURES knee height, demi-span, ulna length, and forearm length. CESCORF FLEXIBLE SEGMOMETER allows you to measure bone length to estimate height of patients unable to stand (i.e. in wheel chair or bedridden), and calculate midpoint of upper arm for body fat testing. S103-68 fdk 81108258