NRG Systems

Soiling Measurement Kit

Quantify the site-specific impacts of soiling on prospective and current PV projects with NRG's Soiling Measurement Kit.

  35 W (#15152) Full Size (excl. modules) (#15381)
Description  
Sensor type Soiling Measurement Kit | 35 W Soiling Measurement Kit | Full Size, excl. modules
Applications Soiling loss measurement, with soiling ratio values derived from measured PV module short circuit current (Isc) and back-of-module temperature data Soiling loss measurement, with soiling ratio values derived from measured PV module short circuit current (Isc) and back-of-module temperature data
Instrument compatibility NRG SymphoniePRO Data Logger NRG SymphoniePRO Data Logger
Measurement range
  • PV module Isc: 0 A to 15 A
  • PV temperature: -40 °C to +105 °C
  • PV module supplied separately
Output signal  
Signal type
  • Isc: Analog voltage
  • PV temperature: 10 kΩ NTC thermistor
  • PV module supplied separately
Accuracy
  • Isc: ± 0.05 A from -40 °C to +85 °C
  • PV temperature: ± 0.2 °C from 0 °C to 70 °C (±0.36 °F from 32 °F to 158 °F)
  • PV module supplied separately
Power requirements  
Supply voltage Soiling interface module: 5 VDC to 28 VDC Soiling interface module: 5 VDC to 28 VDC
Supply current Soiling interface module: 2.5 mA maximum Soiling interface module: 2.5 mA maximum
Installation  
Mounting
  • PV modules: Tubular boom compatible with NRG 3.5" dia. solar towers (array mounted configuration available upon request)
  • Interface module: Mounts on included DIN rail inside shelter box
  • PV modules: Tubular boom compatible with NRG 3.5" dia. solar towers (array mounted configuration available upon request)
  • Interface module: Mounts on included DIN rail inside shelter box
Wiring
  • PV Isc-to-Soiling Interface Module: Via a 4 terminal screw connector on the interface module
  • PV Isc from Soiling Interface Module-to-logger: Via 5 terminal screw connector
  • PV temperature sensors are connected directly to data logger wiring panel (P-SCM channel)
  • PV Isc-to-Soiling Interface Module: Via a 4 terminal screw connector on the interface module
  • PV Isc from Soiling Interface Module-to-logger: Via 5 terminal screw connector
  • PV temperature sensors are connected directly to data logger wiring panel (P-SCM channel)
Environmental  
Operating temperature range
  • Soiling Interface Module: -40 °C to +85 °C
  • PV temperature sensor: -40 °C to +105 °C
  • Soiling Interface Module: -40 °C to +85 °C
  • PV temperature sensor: -40 °C to +105 °C
Operating humidity range 0 to 100%
Corrosion resistant
UV resistant
0 to 100%
Corrosion resistant
UV resistant
Other IP Rating
  • Interface module: IP55 when installed in a standard Symphonie Shelter Box | FRP
Electrical
EN 61000-4-2 ESD
Compliance
CE
Other
Packaging meets ISTA-1A 2014 Shock Drop Test
IP Rating
  • Interface module: IP55 when installed in a standard Symphonie Shelter Box | FRP
Electrical
EN 61000-4-2 ESD
Compliance
CE
Other
Packaging meets ISTA-1A 2014 Shock Drop Test

NRG Systems • 110 Riggs Road • Hinesburg, Vermont 05461 • +1 802-482-2255 • info@nrgsystems.com