Water & Waste Water
Control Systems
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Inputs:
- 120/240 V AC
- ORP or pH sensor connected directly or through a remote pre-amp
- Sensor input is isolated
- Sensing accuracy: +/- 0.1% per year
- Range: -1000 to 1000 mV or 0.0 to 14.0 pH units
- Dual 4-20 mA analog input (used for flow readings)
Outputs:
- Fully rangeable, Dual 4-20 mA recorder output with +/- 0.02 mA accuracy
- Used with devices up to 1000 ohms
- 6 relay outputs
- Two 4-20 mA feeder output
- 3 Control modes per Channel: TBP / NTL / Monitor
- General alarm relay
- (2) 120/240 VAC, 5 amp relay for automatic sensor cleaning
HL 2 is a dual channel ORP/pH controller suitable for monitoring and control in two separate basins or front / back side within municipal and industrial applications.
HL2 ORP/pH Controller
Features:
- 5.7" color touch screen
- Live trending
- Auto-sensitivity tuning
- SD data logging
- Battery backup
- Start-up recall
- Alarm overrides
- NEMA 4X Enclosure
Communications:
- Ethernet capable
- Web-based enabled
- Modbus slave support