High precision, steady performance and easy operation.Dual LED nixie tube digits for display, clear for reading.The instrument has functions of clearing zero amp; PV modification.Work with various pressure sensor and weight sensor.Suitable for for weight control, auto accumulation/mean for up/down batch control, etc. Digital Weighing Controller Load-cells Indicator 2 Relay Output 4 DigitsModel: LM8-RRD(4 Digits)Display: LED DisplayPower Supply: LM8-RRD: 220V/110V AC; LH86-RRD: 90-260V AC/DCAccuracy: LM8-RRD: 0.2%Fahrenheit.Splusmn;2dgt; LH86-RRD: 0.1%Fahrenheit.Splusmn;2dgtPower Consumption: le;5VASampling Rate: LM8-RRD: le;16 times/second; LH86-RRD: 16-128 times/secondInput: Regular: mV(Load Cell), 1-4 pcs Load CellOutput: 2 RELAYRelay: Open Contract 250V AC 3A or 30V DC 3A COS=1Auxiliary Power: DC 5VItem Size: 95 x 85 x 46mm / 3.74 x 3.35 x 1.81inItem Weight: LM8-RRD: 258g / 9.12oz; LH86-RRD: 188g / 6.63ozcolor: blackMaterial: plastic + metalPackage Contents:1 * Weighing Controller2 * Bracket1 * User Manual (English)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.