The 17-36 Short Span Compression Tester measures the compression strength of paper and board. The span or gap is set to a distance between 0.3-0.7mm. When performing a compression test on such a short distance, the stability of the clamps and instrument are critical. The 17-36 Short Span Compression tester incorporates a precision mechanical design to reduce frictional errors, providing unmatched accuracy and repeatability.