... 20mA. DR series Resistivity Meter (0.01-100 Ohm)Features: 1, Input: 0.01-400Ω, 0--50KΩ, others set by ... user, elctronic Meg Ohm Meter 0-500M can be built when ... , simple to operate, and practical.2, Signal input can select data or peak value holdin.g fuction, 20 ... non-linearity input, when input 0-5k RTD, it can act as electrical ruler.3, Output: 4 lines output, ...