The Additel ADT875PC-350-C-110V is a high-accuracy, multi-function calibrator that offers exceptional performance and versatility. Its unique features include: Wide measurement range: -100 to 350 mV DC, -100 to 350 mA DC, and 0 to 350 ohms High accuracy: 0.0025% of reading for voltage and current, 0.005% of reading for resistance Built-in pressure module: Measures and simulates pressure up to 30 psi HART communication: Configures and communicates with HART devices* Rugged and portable: IP65-rated enclosure for use in harsh environments