Pyranometer Matrix Mk 1-G Sol-A-Meter weatherproof radiometer

From the manufacturer:

The Mk 1-G Sol-A-Meter is a silicon photovoltaic cell pyranometer with a spectral response from 0.35 microns to 1.15 microns with peak sensitivity at 0.85 microns. It is calibrated for the entire solar spectrum by comparison with a thermopile type radiometer in direct sunlight on clear days. The standard Mk 1-G is designed to operate with 0-100 mV recorders, meters or other readout devices with minimum impedance of 100 ohms.

The Mk 1-G Sol-A-Meter is a weatherproof pyranometer (for total radiation from both sun and sky). Standard sensitivity is 50 mV per calorie/cm2·min. (2.5 or 5 mV per calorie/cm2·min. available upon request). Impedance is 1.0 Ω (0.05 and 0.10 Ω for 2.5 and 5.0 mV/calorie/cm2·min. respectively). Accuracy is ± 5%. The base is 5 inches in diameter.

* Rugged, low cost, elegant design.
* Well matched material thermal properties.
* Wide range spectral response.
* Rapid response time: < 1 ms.
* Low water absorption rate.

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