Precision simulator M631

RTD

M631 is 20 ppm real-resistance decade box designed specifically for RTD sensors' simulation in calibration laboratories. Core function is still resistance with range 16 Ω - 400 kΩ so you can calibrate ohmmeters and other resistance based meters easily. Containing some of the most stable and premium foil resistors available, the M631 has temperature coefficient starting at 1 ppm/°C and can be used for AC applications as well, see datasheet for typical frequency responses. Large LCD shows all related parameters including total accuracy. There is no residual resistance or hidden absolute error. M6XX series can show resistance in temperature, distance, force and other units. Complete recalibration is possible in just 10 minutes. All decades' functions can be remotely controlled via RS232, USB, LAN or GPIB interface. This way you can introduce calibration/test stage directly into production line of any resistance based sensor and reduce time required for final quality tests dramatically. Specifications: Resistance: 16 Ω - 400 kΩ (± 20 ppm / year) max dissipation power 0.25 W Temperature: RTD (± 0.01°C / year)