Humboldt HM-4502 Double-Ring Infiltrometer - Manual (Page 4)

www.humboldtmfg.com
HUMBOLDT
Testing Equipment for Construction Materials
Humboldt Mfg. Co.
875 Tollgate Road
Elgin, Illinois 60123 U.S.A.
U.S.A. Toll Free: 1.800.544.7220
Voice: 1.708.456.6300
Fax: 1.708.456.0137
Email: [email protected]