["Features:\r\nSelf-protection signal generator:Built-in one-time quick-break fuse can avoid instrument damages caused by misinserting electric supply with 110V or 220V\r\nHigh quality calibrator: Some for key chips such as DA, reference voltage and operational amplifier adopts stable chips with high temperature and high temperature, to improve temperature stability of instrument and long-term aging performance index\r\nSignal Tester:Rational for key layout, all functions have independent corresponding keys, which are easily to be operated\r\nFast speed and zero delay for key response\r\nBuilt-in Battery ,Low power dissipation and long stand-by time\r\n\r\nDescription:\r\nLB78 functions cover most functions required for maintenance of PLC, DCS, ESD, field instrument, regulating for valve and frequency changer, and it has long-term stability and high precision.it is characterized by safety for protection with comprehensive in place and clear display. It adopts a brand for shell and chooses grit finish, resistance soiling and anti-scratch. Its size is small and is easy to be carried \r\n\r\nParameter:\r\n1. Output signal:V: 0-11.00V,mA: 0-24.00mA,mV: 0-110.0mV\r\n2. Working environment:Temperature: -10 ~ 50 ℃,Humidity: 20% RH to 80% RH\r\n3. Dimensions: 108 * 66 * 20mm\r\n4. Power consumption: V, mV output 20 + hours, mA output according to the output current decision \r\n\r\nPackage Include:\r\n1 x LB78 Signal Generator\r\n1 x USB charging cable\r\n1 x Carry bag \r\n1 x English Manual"]