Cooling Tower pH or ORP only Controller
Lakewood Instruments provides feature rich and user friendly controllers for Cooling Tower blowdown and chemical feed.
We manufacture a variety of models to meet you needs right here in the USA.
| Feature | Model 1520/30e | NexSys® |
| ORP or pH | S | |
| pH | S | |
| ORP | ||
| User configurable Relays | S(4) | S(6)/O(10) |
| Water meter inputs | S(2) | S(2)/O(4) |
| 4-20mA inputs | S(1) | O(8) |
| Remote Comm (Incl Web) | X | O |
| LON/BACNET/Modbus | X | S |
| Color 5.7″ Touchpanel Display | X | S |
| Trace Chemical control | O | O |
| Setpoint control | S | S |
| Bio-feed feature | S | S |
| Percent of time feed feature | S | S |
| Cycles of concentration control scheme | S | S |
| Expanded in field with more sensors in/out and relays (see Nodes) | X | S |
| ETL-US/Canada Registered | S | S |
| Key: | ||
| Standard: | S | |
| Optional Add On: | O | |
| Not Available: | X |
Obsolete Models (For Reference Only)