Photo of the week: firmness meters
May 23, 2025
This photo shows four types of firmness tester with a soil moisture meter on the end.
From left, we are looking at:
- the Precision Putting Green Digital Firmness Meter - the SDi Golf Course Firmness Tester - the Field Scout TurFirm Turf Firmness Meter - the Yamanaka soil hardness tester (common in Japan) - a TDR-100 from Spectrum Technologies for measuring soil water content
We've made a lot of paired measurements of soil water content and surface hardness over…