This is a product manual that introduces the functions, uses, appearance, accessories and other information of the Delta-T Devices Ltd SPN1 Sunshine Pyranometer
This manual explains how to use the SPN1 Sunshine Pyranometer, a sensor that measures total, diffuse, and sunshine status radiation. It includes setup instructions for use with data loggers or PCs via RS232, power requirements, and calibration procedures. The device features seven thermopile sensors under a hemispherical dome and includes a built-in heater for operation in wet or icy conditions. It does not require orientation toward north or knowledge of latitude/longitude.
| Spectral Range | 400nm to 2700nm |
|---|---|
| Output Channels | Total (global) solar radiation, Diffuse radiation, Sunshine status |
| Cosine-Corrected Response | Yes |
| Heater Voltage | 12V – 15V |
| Power Supply | 2mA at 5V – 15V |
No, it will work accurately in any orientation as long as it is mounted horizontally.
It indicates whether the energy in the direct beam exceeds the WMO standard threshold value of 120 W.m-2.
Yes, via RS232 serial port using the SunRead software.
It measures from 400nm to 2700nm, missing some blue end of the solar spectrum.