Resistivity Meter Input:0.01-400Ohm,0~50K Ohm Accuracy:0.3% data/peak ... 4-20mA. DR series Resistivity Meter (0.01-100 Ohm)Features: 1, Input: 0.01-400Ω, 0--50KΩ, others set by ... RS232 or RS485 Modbus RTU protocol, connectable with various equipment, computer or PLC directly.6, Dimemsions: DR4: 48*48*80 DR6 ... *72*100 DR9: 96*96*100 DR10: 160*80*100 Case class: IP65.7, Power supply: regular: 90-260V AC/ ...