Di-LOG Solar PV Calibration

Explore the Di-LOG range of solar irradiance meters, designed to bring precision into every solar measurement, whether you’re surveying, installing, or maintaining PV systems:

SL101 Digital Irradiance Meter
A reliable, straightforward option for essential irradiance measurement, the SL101 is compact and easy to use, ideal for quick site inspections and routine performance checks.
Recal

SL102 Digital Irradiance Meter
This model steps up with additional features including true-RMS voltage and resistance measurement built in, along with diode and continuity testing, making it a versatile all-in-one tool, perfect when you need irradiance data and electrical diagnostics in one device.
Instrotech
Recal

SL104 Solar Irradiance Survey Meter
The most advanced of the trio, the SL104 not only measures solar irradiance but also captures surface and cell temperature via internal and external probes, and includes a compass-inclinometer to determine roof pitch and panel orientation on the spot. It’s a complete surveying companion for thorough pre-installation evaluations or maintenance assessments.