Cardinal Scale's new Guardian hydraulic tank and hopper scales are designed to keep weighing accurately even in the harshest conditions. Constructed in 300 series stainless steel, unit's hydraulic load cells are built to last a lifetime and require no electricity within the scale itself. Self-checking three and four stand assemblies are available with system gross capacities ranging from 3,000 to 300,000 pounds. Each weighing system is supplied with a totalizer and 20 feet of copper tubing per load cell. Other features include: immune to lightning damage; provide water and heavy wash-down reliability; resistant to transient voltage and R.F.I.; and protected against rodent damage.