The ECS1502 dual-cylinder chlorine scale from Eagle Microsystems is a reliable and easy-to-use scale system for monitoring 150-pound chlorine gas cylinders. Its base is made of durable, corrosion-proof PVC and has a single stainless steel electronic load cell with stainless steel hardware. The user-friendly push-button indicator interface with large LED displays is easy to use and monitor. The keypad permits selection of displays for amount used, amount remaining, total weight, tare weight and gross weight. It comes standard with 4-20 mA DC output signals, and the indicator is set inside a NEMA 4X fiberglass enclosure, making it suitable for virtually any municipal treatment plant. 610/323-2250; www.eaglemicrosystems.com.