Range:-58 to 302°F (thermistor); -999 to 999 counts (4 to 20 mA).Input:PTC/NTC thermistor or 4 to 20 mA.Power Requirements:115 VAC, 230 VAC, 24 VAC/DC.Accuracy:> 1%.Display:3-digits, red, green or blue display.Resolution:1° or 0.1 count.Front Panel Rating:IP64. (NEMA 3R).Weight:2.3 oz (65 g).Agency Approvals:CE, cURus.