Digi-Tru Remote Digital Thermometer RD3 or RD4 Model: RD3 or RD4 Remote Digital Thermometer Heavy duty 3″ or 4″ 304SS case High visibility 0.4″ tall digital display Armored flex conduit cable, zinc-plated NIST Traceable Calibration Certificate available, order separately Ideal for replacing Gas Actuated and Vapor Tension thermometers Made in USA Click here for lead times. Digi-Tru Thermometer Sellsheet Register an Interest Form 3 inch dial, remote mount 4 inch dial, remote mount [Add $5.95] Temperature Range -67/302 degrees F -55/150 degrees C Lens Color Blue Red White Lens Material Glass lens Polycarbonate lens [Add $5.83] Probe Type 304SS blunt, .250 inch diameter Probe Length 8 inch probe length Connection Sliding compression fitting to 1/2 inch NPT Cable Armored, zinc-plated steel 5 feet 10 feet [Add $6.24] Provide Your Information Submit