At A Glance – Petrol (Gasoline) vs 12VDC
Rainman offers three main power sources for our watermakers. AC electric, petrol (gasoline), and 12VDC electric. This table compares the specifications between the petrol (gasoline) and 12VDC Rainman systems. Keep in mind there are different options for reverse osmosis (RO) units, so the fresh product water output depends on which one you choose.
Change Comparison View
Petrol | 12VDC | ||
Product Water Output Expectations | |||
RO – High Output (2 x Filmtec SW30-2540) |
100 – 140 lph 26 – 37 gph |
Not Available | |
RO – Compact (2 x Filmtec SW30-2521) |
50 – 70 lph 13 – 18 gph |
Not Available | |
RO – Economy (1 x Filmtec SW30-2540) |
50 – 70 lph 13 – 18 gph |
26 – 34 lph 7 – 9 gph |
|
System Specifications | |||
Configuration Options | Case only | Case or Naked | |
Autoflush | Not Available | Optional | |
Power Source | Petrol (Gasoline) | 12V DC | |
Power Use | 700ml Fuel / 70 Minutes | 410 Watts | |
Current Draw | nil | 32 Amps | |
Motor Type | Honda GXH50 (4 stroke) | Permanent magnet TEFC DC | |
Plug Type | n/a | Anderson style | |
Power Cord Length | n/a | 1.4 metres (4.5 ft) including battery connectors |
|
Subjective Sound Level | Slightly quieter than Honda 2kVA generator (under max load) |
Soft hum | |
Measured Sound Level 6 Metres in Open Lot | 73dB | 58dB | |
Integrated Lift Pump | Flexible impeller | Flexible impeller | |
High Pressure Pump | General Pump WM Series | General Pump WMR Series | |
Operating Pressure | 55 bar (800 psi) | 55 bar (800 psi) | |
Pressure Relief Valve | Interpump 316SS/Ceramic | Interpump 316SS/Ceramic | |
Prefilter | Single 5 micron pleated | Single 5 micron pleated | |
Permeate Flow Meter | 0 – 150 lph (40 gph) variable aperture | 0 – 40 lph (11 gph) variable aperture | |
Intake Hose Length | 3 metres (10 ft) | 5 metres (16 ft) | |
Vertical Water Lift | 2 metres (6 ft) | 2 metres (6 ft) |