It's a Module Temperature Sensor for Solar PV Plants having an Analog Output. SEVEN provides a Solar Radiation Shield with a Mounting Bracket for it.
Module Temperature Sensor 3S-MT-PT1000-I/U

APPLICATION
An economical module temperature sensor with Analog output for solar power plants as well as
universal applications.
TECHNICAL DATA
General Information | |
Sensor Type | PT1000 1/3 Class B as per EN 60751, for flat surfaces (back side of solar panel) |
Measuring Range | -20…+80°C |
Accuracy | ± 0.1 ⁰C |
Power Supply | 12…34 V AC/DC |
Sensor | Housing Plastic housing with aluminum plate, H x W x L: 12 mm x 50 mm x 50 mm |
Dimensions | H x W x L: 44 mm x 69 mm x 75 mm |
Protection | IP65 |
Cable | 3 m or 5 m PUR Cable, UV and weather resistant |
Connection | Two wire |
Output Signal | |
Type I | 4…20 mA |
Temperature range | -20…+80°C |
Type U | 0…10 V |
Temperature range | -20…+80°C |
Electrical Connection | |
Brown | Power (+) |
White | Power (-) |
Green | Output (+) 0…10 V / 4…20 mA |
Yellow | Output (-) 0…10 V / 4…20 mA |