Solar Panel Efficiency Monitoring
The ES-W series of weather stations are designed to meet the needs of
renewable energy power generation, most specifically PV panels. These stations
feature sensors and communication options for the purpose of reporting data to
increase knowledge of panel performance and aid in predicting and identifying
daily plant output.
The ES-W300 is our Full Utility station which is compact, pre-assembled and
simple to install.
- Global Solar Irradiance Sensor
- Optional Plane of Array Irradiance Sensor
- 1 or 2 PV Back-of-PV Panel Temp Sensor(s)
- Ambient Air Temperature Sensor
- Wind Speed Sensor
- Wind Direction Sensor
- Relative Humidity Sensor
- Barometric Pressure Sensor
- Rain Gauge Sensor
- Modbus RS-485 Communication
- Wireless Communication to Modbus Data Logger (up to 1 mile)
- Sunspec Ver. 1.1 Compliant
Sensors & Options:
- Ambient Air Temperature - Housed in a passive shield
- Global Irradiance or Plane-of-Array Irradiance - The irradiance sensor is
adjustable and can be set to provide global irradiance (when horizontal) or
plane -of-array irradiance when installed to match the PV panel angle.
- Back-of-Module Temperature - These sensors are attached to the back of
the PV panel using thermal conductive adhesive tape. They provide accurate
panel temperatures, an important parameter for efficiency monitoring. One
sensor is shipped with each system. The ES-W300 supports two sensors. The
second may be purchased separately.
- The ES-W100 has a single, 2-wire, half duplex, RS-485 port.
- Termination can be enabled or disabled using a jumper located near the
RS-485 screw terminals.
- By default the ES-W300 is configured to operate as a Modbus slave at
address 60. The Modbus register layout is compatible with SunSpec Ver
- The ES-W300’s compact light weight design make installation quick
and easy. Various mounting options are available, including a 3-foot tripod
and Mono mount. The ES-W300 is supplied with a detachable mast section that
can bolt to an existing structure. All electrical connections are made
using screw terminals. Standard sensors are factory installed. As a
user/installer the only connections required are power and