The ELC-30S-H is a high capacity center hole resistive strain gage type load cell. It is used to determine the load in rock bolts, tieback anchors, etc through a center hole. It is similar to the ELC-30S load cell. It comprises of sixteen 350 Ohm resistance strain gages, wired to form a 1400 Ohm bridge, inside a stainless steel cylinder of high steel strength, in a load cell with a capacity above 5000 kN. The 3500/185 and 5000/202 load cells are welded using the electron beam welding technique.
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Center hole load cell
Resistive strain gage, high capacity
8 to 16 gages mounted to reduce positioning effect
To measure large load in rock bolt anchors, tiebacks
Load/force
3500/185, 5000/202, 7500/227, 10000/210 kN/mm (ID); specify
Accuracy test, Overload test
3500/185, 5000/202 load cells are hermetically sealed with electron beam welding, great resistance to extraneous forces, long fatigue life, protected against dust, moisture and adverse environmental conditions
IP-68, water resistant up to 10 mwc
Depends on range
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