📝 Description
Used product. Professional Meteocontrol / Ingenieurbüro Mencke & Tegtmeyer Si-12TC-T sensor for measuring solar irradiance and PV cell/module temperature. The sensor uses a calibrated monocrystalline solar cell and provides 0–10 V analog signals to the monitoring system. The Si-12TC-T version also integrates cell temperature measurement.
⚙️ Technical Specifications
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Type: Solar irradiance + module temperature sensor
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Model: Si-12TC-T
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Article: 423.001
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Irradiance measurement: 0–1200 W/m²
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Irradiance output: 0–10 V
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Temperature measurement: cell/module temperature
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Temperature output: 0–10 V
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Power supply: 12–28 V DC according to the photographed unit's nameplate
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Cell: monocrystalline silicon
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Compensation: active temperature compensation
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Temperature accuracy: approximately ±1.5 °C
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Maximum temperature deviation: approximately 2 °C
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Cable: UV-resistant cable
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Construction: EVA-laminated cell between glass and Tedlar, housed in a metal enclosure
⚡ Function in the Electrical System
Photovoltaic system monitoring and supervision system. The sensor is installed in the PV field, oriented consistently with the modules, to measure the available solar irradiance and cell/module temperature.
The 0–10 V irradiance signal can be acquired by a data logger, SCADA system or analog monitoring input, while the second 0–10 V signal provides the cell temperature. Meteocontrol systems use the Si-12TC-T specifically for monitoring irradiance and module temperature.
📡 Signals and Connections
The nameplate clearly identifies the four conductors:
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Brown: Temperature
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Orange: Solar Irradiance
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Red: 12…28 VDC
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Black: 0 VDC / GND
The model is therefore a powered sensor, not simply a passive photovoltaic element. The irradiance and temperature signals are converted into analog signals suitable for acquisition inputs.
🏭 Construction and Installation
The sensing element consists of a Schott Solar monocrystalline solar cell, laminated in EVA between glass and Tedlar, with construction similar to that of a small photovoltaic module. The sensor is mounted in a metal housing with side mounting flanges and has a long connection cable.
Irradiance measurement is based on the relationship between the short-circuit current of the silicon cell and solar radiation; the sensor is individually calibrated against a reference pyranometer.
🛡️ Safety and Product Condition
Used product, with the housing and cell visibly intact. The cable is present and the terminal connection conductors are already available. Before installation, it is recommended to verify wiring continuity, 12–28 VDC power supply and correct response of the two 0–10 V analog signals.
For functional verification, the irradiance and temperature outputs can be checked separately using a multimeter or compatible analog acquisition device. Measurement accuracy of the individual unit is not declared without new calibration against a reference instrument.
📦 Package Contents
- 1 × Meteocontrol Si-12TC-T solar sensor
- Article 423.001
- Connection cable included
- Integrated mounting brackets/flanges
🚀 Final Description
Meteocontrol Si-12TC-T Art. 423.001 is a professional sensor for photovoltaic system monitoring, capable of simultaneously measuring solar irradiance up to 1200 W/m² and cell/module temperature, with 0–10 V analog signals and 12–28 VDC power supply. Its construction with a laminated solar cell, temperature compensation and individual calibration makes it suitable for PV monitoring systems, data loggers and meteorological data acquisition.
