UJ51e称重仪表直流信号模拟器，是用于模拟称重传感器电信号的一种装置。具有线性度极高、稳定性好的特点，广泛用于称重二次仪表的检测与调试。
1．信号模拟器使用温度：                                                    20±8℃
      保证准确度温度：                                                              20±2℃                  
2．相对湿度:                                                                            ≤80%                              
3．信号模拟器准确度（线性度）等级:                                0.01%F.S
      非线性：                                                                            0.005%F.S
      额定输出：                                                                        2mV/V±0.01%