The Nano SPY Reference is a reference data logger designed, among other things, to perform calibrations or especially for applications with high demands on temperature accuracy. The Nano SPY Reference features a 3-metre cable sensor (Pt-100, class A) with a wide measuring range of -196°C and 200°C. Equipped with a stainless steel tube Ø2.9mm x 25mm . The Nano SPY Reference features 3 alarm LEDs (green, blue, red) and internal magnet for mounting in the supplied mounting bracket or metal background. The Nano operates +/- 6 years on one lithium battery and has a memory for 10,000 measurement points. Optionally available with a COFRAC (primary ISO 17025 certificate) or traceable calibration.