The EL3681 and KL3681 terminals have digital multimeters integrated directly into I/O nodes, giving users a streamlined, low-cost alternative to standalone digital multimeters. The modules provide high precision and simple, high-resistance measurement from 300 mV to 300 V and cost just $305 each. Measurement ranges are voltage: 300 mV to 300 V DC, 100 mV to 300 V AC; and current: 100 mA, 1 A, 10 A AC/DC.