For crane overload and line tension measurement. High resolution using a 14 bit A/D converter gives +/-0.1% of applied load. All electronics are shock mounted in a weatherproof billet aluminum housing. Components are protected against moisture, dust and rough usage. Weights are easily checked with highly visible 1.2" high LCD digital readout. The units easy to use membrane switches allow simple, trouble free operation. Features include peak hold, set points for relay control and keypad setup. Function keys for ON/OFF, ZERO, PEAK, TARE, MODE. Readings can be displayed in lb, kg, tons, metric tons, and dekaNewtons. RS232 or RS485 serial output in continuous or on demand. Efficient micro controller gives up to 500 hours of battery life. Power is supplied by (2) 9 volt alkaline batteries (not included). NEMA 4X and IP65.