Probe Range:PTC: – 58 to 302°F (-50 to 150°C); NTC: -58 to 230°F (-50 to 110°C).Input:PTC (1000Ω @ 25°C); NTC (10KΩ @ 25°C).Outputs:OUT1=SPDT relay rated 16 A @ 240 VAC resistive; OUT2=SPDT relay rated 8 A @ 240 VAC resistive.Horsepower Rating (HP):1 HP (OUT1).Power Requirements:115 VAC, 230 VAC, 12 VAC/VDC or 24 VAC/VDC (depending on model).Accuracy:±1% of FS.Display:3-digit and sign, red LED.Resolution:0.1° (<100°); 1° (≥100°).Memory Backup:Nonvolatile memory.Temperature Limit:Ambient: 32 to 158°F (0 to 70°C).Storage Temperature:-4 to 176°F (-20 to 80°C).Dimensions:3 x 1-27/64 x 2-7/16 in.Front Panel Rating:IP64.Weight:2.3 oz (65 g).Agency Approvals:CE, cURus.