Probe Range:PTC: -58 to 302°F (-50 to 150°C); NTC: -58 to 230°F (-50 to 110°C).Input:PTC (1000 Ω @ 25°C); NTC (10KΩ @ 25°C).Output:R1 SPDT relay resistive load: 20 A @ 240 VAC; R2 SPDT relay resistive load: 8 A @ 240 VAC; Inductive load: 3 A @ 240 VAC.Horsepower Rating:R1 2HP @ 240 VAC.Control Type:On/off.Power Requirements:90 to 255 VAC or 12 to 24 VAC/VDC (±10%) depending on model.Power Consumption:3.6 VA.Accuracy:±1% FS.Display:3 digits plus sign.Resolution:Single stage: 1°; Dual stage: 0.1° < 100; 1° = 100°.Memory Backup:Non-volatile memory.Ambient Temperature:32 to 104°F (0 to 40°C).Weight:1.2 lbs (544 g).Enclosure Rating:NEMA 4X (IP66).Agency Approvals:CE, cURus.