Sunmeter PRO is a digital photovoltaic pyranometer (or silicon irradiance sensor) for calculating photovoltaic plant performance with a high degree of precision and reliability. Its monocrystalline silicon cell is laminated with glass for photovoltaic modules and E.V.A. like a micro PV module. It has additional stabilization processes and tests to minimize measurement drift over time.
The cost includes a recalibration service after one year as well as the immediate replacement of the irradiance sensor if tolerance exceeds 3.5%.
The Sunmeter PRO is easy to install and use. Compared to the Class A thermopile pyranometer, it provides a more adequate measure for the calculation of the P.R..
Every Solarimeter cell has been calibrated by a stabilized PV reference cell at the Dakks accredited ISFH.
This irradiance sensor is available in two models:
the “complete model” which provides for Analog and Digital output.
the digital output only model.
Note: the terms irradiance sensor, photovoltaic pyranometer, reference cell and solarimeter are interchangeable. On this site we will use photovoltaic pyranometer. To learn more click here.
Key features
Monocrystalline silicon cell
Inbuilt TZOS® technology for measurement
IEC 60904-2 compliant, RS485 standard Modbus RTU for reliable signals up to 500m from the data-logger
IEC EN 61724-1 compliant (standard for PV Monitoring Systems)
Uses temperature compensation for more accurate reading.
Performance decline of less than 1.5% per year.
Analog and digital output, compatible with most of data-loggers.
Higher weather resistance.
IEC EN 61215 par.10,11,12 compliant (product aging).
Mounting brackets for easy installation.
High calibration of temperature data for an error less than 1%
FREE 12 month recalibration service included.
Datasheet
NAME
SunMeter PRO
PRODUCT
solar irradiance sensor with monocrystalline silicon cell (photovoltaic pyranometer)
REFERENCE STANDARDS
IEC 60904-2; 60904-4; 60904-10; IEC EN 61215, EN 61215
OUTPUT
Digital and Analog (when ordering, specify the model)
Calibration
Made through a double adjustment for comparison with a PV reference cell calibrated by the Dakks accredited ISFH Institute.
Input range
Irradiance:
0 ÷ 1500 W/m2 (IEC EN 61724-1 compliant)
Spectral range
0.3 μm ÷ 1.1 μm
Temperature
-30 ÷ +90 °C
Output
Voltage(1)
0 ÷ 10 V, 0 ÷ 5 V
(optional kit for 0 ÷ 40 mV)
Current(1)
0÷ 20 mA, 4÷ 20 mA
Digital
RS485 standard Modbus RTU
Output precision
Irradiance
≤± 2%
Temperature
≤± 0.5°C
Supply
9 ÷ 30 Vdc protected from reverse polarity and short circuiting
Encapsulation
Laminated with glass for photovoltaic modules, E.V.A. UV resistant (see IEC 60904-2)
Casing
Aluminum with screw-clamp for mounting
Wire
50cm UV-resistant casing.
Connectors
Standard M12 8 pin male IP67 code
Dimensions
114x70x22mm without the fixing clamp
(1): The analog output is present only in the models on wire # 6 of the SM1 PRO. Wire # 6 can be configured as voltage or current output.
(2): Digital RS485 is always present on wire n#4 and n#5
Sm configuration for Android smartphone and tablet
SMCONFIG allows you to configure Sunmeter in the field from your Android smartphone. It is no longer necessary to bring the Sunmeter back to the laboratory for configuration.
The software allows you to:
configure Sunmeter.
make a diagnosis of the basic functions.
log irradiance, temperature and wind (Sunmeter Wind only) readings.
The software is available for free on this page in the downloads area. In addition to the software it is necessary to have a USB / RS485 converter, an adapter cable between microUSB/USB and a female connector M12 4 pin for Sunmeter.
In the Download area you can find a wiring diagram of our cable that connects Smartphone/Tablet or PC with the irradiance sensor, it takes and transforms the voltage present on the USB (Price on request). Alternatively, it is possible to use other cables with external power supply (9V battery).
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