Specifications Accuracy: ± 0.50°F FS   Accuracy of Duct Averaging Transducer is ±3°F Linearity: ± 0.05°F Repeatability: ± 0.01°F Transmitter Error: Better than ± 0.01% span Supply Voltage: 12-40 VDC; 12-35 VAC (VDC output units only) Ambient Temperature: -30°F to 150°F (-35°C to 60°C) Environmental: 10-95% RH Non-condensing Maximum Temperature Span: 250°F (138°C) Minimum Temperature Span: 35°F (19°C) Conformance & Testing RoHS Compliant EMC Testing: BS EN 55022:1998, BS EN 55024:1998, EN 61000-3-3, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-11