Description Accessories Description The Meriam ZA36821 Standard size 250 OHM Shunt Resistor is an accessory for the Meriam MFC 5150X HART Communicator and the Meriam MFT 4000 Series Modular Calibrator. Features:Standard Size 250 OHM shunt resistorRequired for HART low resistance loops State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories Meriam HART Communicator MFC5150X $6,508.00 Was: $5,300.00 - $5,750.00 Choose Options Meriam Multi Function Modular Calibrator / HART Communicator MFT4000