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The SMP3 is a smart pyranometer with low maintenance and industry standard digital and analogue amplified outputs. Based on the proven CMP3 technology the SMP3 adds Modbus interface, improved response time and temperature corrected measurement data.
The wide and low power supply range from 5 to 30 VDC makes integration in meteorological stations easy. The SMP is protected against over voltage, reversed polarity and short circuiting.
Because all SMPs have identical sensitivity and connections, exchanging instruments during recalibration is easy. SmartExplorer Windows for data logging, display of data and Modbus address setting is provided as standard.
SMP3 measures global solar radiation on a horizontal plane. When tilted with the same angle as a PV panel it measures the tilted global radiation for PV module efficiency calculations.
| Non-linearity | 3% (0 to 100 W/m) |
| Non-stability | 1% (change/year) |
| Casing IP Rating | IP67 |
| Spectral accuracy | 300 to 2800 nm |
| Cable Length | 33, 82, 164, 330 ft (10, 25, 50, 100 m) |
| Irradiance saturation | 2000 W/m (Max.) |
| Material enclosures | Aluminum, anodised |
| Temperature Correction | 3 % (-20 to +50 C) |
| Weight EU | 0.7 lb (300 g) |
| Response Time | 1.5 s (63 %), 12 s (95 %) |
| Directional Response | 20 W/m (up to 80 with 1000 W/m beam) |
| Sensitivity | N.A. |
| Analogue Outputs | 0 to 1 V (V-model) or 4 to 20 mA (A-model) |
| Drying Cartridge and Maintenance Interval | Internal, no replacement necessary |
| Operating humidity | 0 to 100 % |
| Zero offset A | 15 W/m |
| Classification | Spectrally Flat Class C (ISO 9060:2018) |
| Operating temp range 1 | -40 to +70 C |
| Zero offset B | 5 W/m |
| Digital outputs | Modbus RTU 2-wire RS-485 |

Price:
Minimum Order Quantity : 1 Unit
Automation Grade : Manual
Response Time : <500 ms
Measuring Range : 0 2000 W/m2
Equipment Type : Pyranometer
Humidity : 0% to 100% RH (noncondensing)
Minimum Order Quantity : 1 Piece
Automation Grade : Manual
Response Time : Less than 5 seconds (95%)
Measuring Range : 0 to 4000 W/m2
Equipment Type : Secondary Standard Pyranometer
Humidity : 0 to 100% RH (noncondensing)
Minimum Order Quantity : 1 Piece
Automation Grade : Automatic data acquisition via output ports
Response Time : < 0.5 s (95%)
Measuring Range : 0 to 4000 W/m2
Equipment Type : Pyranometer
Humidity : 0100% noncondensing
Minimum Order Quantity : 1 Piece
Automation Grade : Manual
Response Time : <18 seconds
Measuring Range : 02000 W/m2
Equipment Type : Pyranometer
Humidity : 0100% RH (Noncondensing)