Atonometrics Mars
Product Number: 810230-20Mars™ Soiling Sensor accurately measures soiling losses to protect and improve solar panel efficiency, using patented camera‑based technology with no water, calibration, or maintenance required.
Overview
Overview
The Mars™ Soiling Sensor provides simplified measurement of soiling losses for PV installations.Patented Mars™ technology detects accumulated soiling particles on a soil collection window
using an internal camera. Mars™ units require no water, have no moving parts, are compact and
easy to install, and do not require site-specific dust calibration or technician cleaning visits. They
are suitable for a wide range of PV installations.
This User Guide is for Mars™ model 810230-20, Hardware Revision 01 released August 2023
(810230-20-01), shown in Figure 1-1. This model replaces all earlier versions and model
numbers. For information on earlier versions and models, please visit support.atonometrics.com.
The Mars™ unit has a single M12 user connection port. Use this M12 power and RS485 port to
power your unit and record data via Modbus RTU over RS485. The Mars™ unit’s aluminum
enclosure provides for various mounting options.
Specifications
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Technical Attributes
| Ambient working temperature | -20 to + 60 °C |
| Input voltage | 10 to 30 VDC |
| Power Consumption | ~3 W average (up to 6 W transient) |
| Accuracy | ±1% |
| Communication protocol | Modbus RTU (RS-485) |
| Ingress Protection Rating | IP67 |
| Dimensions | 115.0 x 115.0 x 98.1 mm (4.53 x 4.53 x 3.86 in.) |
| Weight | 1.48 kg (3.27 lbs.) |
| Power & RS485 Connectors | M12 connector, IP67 |
| Power & RS485 Cables | Shielded, weather resistant, UV-rated, 24 AWG / 0.2 mm2, M12 connector, IP67, multiple lengths sold separately |
Resources
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Data Sheets (1)
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Manuals (1)
880105_A
Atonometrics RC22M Reference Cell