Advanced Irradiance Meter with built-in DMM Di-Log SL102 The SL102 is a professional Solar Irradiance Meter designed to assist in the installation of Solar panel PV systems. With its Multimeter like design, the SL102 enables you to perform safe and accurate measurements, even when working at heights. It also features a dual display which allows you to simultaneously record the Irradiance level and Voltage output with the panel connected in situ by the MC4 lead set provided. Solar Irradiance measurement to 1999 W/m² or 634BTU/ft²*h Dual Display for simultaneous Irradiance and Voltage (VOC) measurement for in situ testing Min/Max recording function Auto Hold AC/DC Voltage to 600V Audible Continuity and Diode test AC/DC current to 200mA (Not to be used for PSC) MC4 Red/Black lead set for VOC measurement Carry Case AC Voltage 0.001V - 600V DC Voltage 0.1mV - 600V AC Current 0.1uA - 200mA DC Current 0.1uA Resistance 0.1Ω - 20MΩ Colour Yellow/Black Display Type LCD - 3½ Digit Product Range Irradiance Meter Battery Type 1 x 9V battery & 2 x 1.5 AAA Warranty 2 Years