VeraSol
Skip Page Header

Proximity | Lotus 2, SI-226

Return to the Page Header

Snapshot Details

  • Product Type: Submersible Pump
  • Model Number: Lotus 2, SI-226
  • Power Supply Type: DC
  • Simulated PV Array Size [W]: 260
  • Simulated Head Value [m]: 8
  • High Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day]: 19.9
Product Information
  • Brand tooltip Product brand name as listed on consumer-facing materials, such as product package, nameplate, or product specification sheet Proximity
  • Product Type Submersible Pump
  • Model Number Lotus 2, SI-226
  • Power Supply Type DC
  • Manufacturer Proximity Designs
  • Warranty [months] 12
  • Rated Controller Input Power [W] 350
  • Rated Controller Input Voltage [V] 19-Dec
  • Battery Integrated [yes/no] No
Pump Information
  • Pump Type Centrifugal single stage centrifugal
  • Motor Type Brushless DC
  • Rated Pump Dimensions [L*W*H in cm] 4*4*30
  • Rated Head Range [m] 0-15
  • Rated Maximum Flow Rate [m3/h] 6
  • Rated Pump Ingress Protection (IP) Rating Not rated
Test Setup
  • Simulated PV Array Size [W] 260
  • Simulated Head Value [m] 8
Operating Range
  • Maximum Head [m] tooltip See test setup for simulated PV array size and head value used during testing 18.3
  • Maximum Static Head at 50% of Maximum Flow Rate [m] tooltip See test setup for simulated PV array size and head value used during testing Not tested
Low Irradiance Day - Fully Cloudy (450W/m2 peak)
  • Low Irradiance Day: Hydraulic Energy per Day [Wh] tooltip Simulating pump performance on a fully cloudy day (450W/m2 peak) 30
  • Low Irradiance Day: Average Wire-to-Water Efficiency [%] tooltip Simulating pump performance on a fully cloudy day (450W/m2 peak) 9%
  • Low Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day] tooltip Simulating pump performance on a fully cloudy day (450W/m2 peak) 1.4
  • Low Irradiance Day: Hours of Operation [h] tooltip Simulating pump performance on a fully cloudy day (450W/m2 peak) 3.3
Average Irradiance Day - Partly Cloudy (700W/m2 peak)
  • Average Irradiance Day: Hydraulic Energy per Day [Wh] tooltip Simulating pump performance on a partly cloudy day (700W/m2 peak) 181.5
  • Average Irradiance Day: Average Wire-to-Water Efficiency [%] tooltip Simulating pump performance on a partly cloudy day (700W/m2 peak) 21%
  • Average Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day] tooltip Simulating pump performance on a partly cloudy day (700W/m2 peak) 8.3
  • Average Irradiance Day: Hours of Operation [h] tooltip Simulating pump performance on a partly cloudy day (700W/m2 peak) 6.7
Average Irradiance Day - Partly Cloudy (700W/m2 peak) - Maximum Efficiency
  • Average Irradiance Day: Maximum Wire-to-Water Efficiency [%] tooltip Simulating pump performance on a partly cloudy day (700W/m2 peak) 30%
  • Average Irradiance Day: Head Value at Maximum Efficiency [m] tooltip Simulating pump performance on a partly cloudy day (700W/m2 peak) 6.1
High Irradiance Day - Full Sun (1000W/m2 peak)
  • High Irradiance Day: Hydraulic Energy per Day [Wh] tooltip Simulating pump performance on a fully sunny day (1000W/m2 peak) 434.4
  • High Irradiance Day: Average Wire-to-Water Efficiency [%] tooltip Simulating pump performance on a fully sunny day (1000W/m2 peak) 27%
  • High Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day] tooltip Simulating pump performance on a fully sunny day (1000W/m2 peak) 19.9
  • High Irradiance Day: Hours of Operation [h] tooltip Simulating pump performance on a fully sunny day (1000W/m2 peak) 9.2
Product Quality Inspection
  • Pump External Workmanship and Quality Evaluation [poor/satisfactory/good] Good
  • Pump Internal Workmanship and Quality Evaluation [poor/satisfactory/good] Good
  • Pump Safety Evaluation [poor/satisfactory/good] Good
  • Pump Operating Manual Evaluation [not included/poor/needs improvement/good] Not assessed
Sampling and Testing Information
  • Sample Location Manufacturer Warehouse
  • Retail Price [USD] N/A
  • Test Laboratory Name Schatz Energy Research Center
  • Test Completion Date [MM/DD/YYYY] 8/2/2019
Awards
  • Global LEAP Awards Finalist (2019)