Specifications for the Soiling Index Measurement System. What it is for and its key features are on its product page.
At a glance
| Item | Value |
|---|
| Standard | IEC 61724-1:2021 · Annex C |
| Protection | IP65 · Dust + Water |
| Operating Range | −40°C to +80°C |
| Connectivity | ETH · Wi-Fi · LTE · Modbus |
| Time Sync | GPS + Internet |
| Data Output | Real-Time SI + Daily Average |
| Models | −01 System / −02 Complete Kit |
| Origin | Made in India · v2.0.0 · Aug 2025 |
Soiling
| Parameter | Value |
|---|
| Panel Wattage | Up to 1200 W |
| Short-Circuit Current (Isc) Range | 0 – 20 A |
| Shunt Accuracy | ±0.05% FSD |
| Soiling Leveling Index Resolution | 0.01% |
Electrical
| Parameter | Value |
|---|
| Voltage Input | +9 to +28 V DC |
| Current Consumption | 12 V ≤ 85 mA |
Temperature
| Parameter | Value |
|---|
| Sensor Type | RTD PT1000 Class A |
| Range | −40°C to 150°C |
| Accuracy | Class A: ±(0.15 + 0.0020 |t|) °C |
Communication
| Parameter | Value |
|---|
| RS232 (1) | NMEA Output / MODBUS Slave |
| RS232 (2) | MODBUS Master |
| RS485 (1) | MODBUS Master |
| RS485 (2) | MODBUS Slave |
| Baudrate RS232/RS485 | 9600 / 19200 / 38400 / 57600 / 115200 bps |
| Network Interfaces | Ethernet, Wi-Fi, LTE (4G) |
| Output Data Format | Comma Separated Format (CSV) |
Storage
| Parameter | Value |
|---|
| SD Card Memory | 8 GB (default), expandable to 32 GB |
| USB | Data retrieval on Pen Drive |
Environment
| Parameter | Value |
|---|
| Operating Temperature | −40 to +80°C |
| Protection | IP65 |
| Model | Product code |
|---|
| ARN-SIMS100-01 | 90001 |
| ARN-SIMS100-02 | 90063 |
The PDF datasheet and a quote form are on the Soiling Index Measurement System product page at aeronsystems.com. For pricing or ordering, email sales@aeronsystems.com. For help with an installed unit, email support@aeronsystems.com.