HydroACT FeaturesHA2HA4HA8
Sensor limit*248
Analog output limit*248
Relay limit*4816
Digital Input limit*4816
Isolated universal I/O
Nema 4X/IP65
Wall & panel mount
High resolution display
Graphical trending
On/Off threshold controloptionaloptionaloptional
Advanced control (e.g. PID)optionaloptionaloptional
Color display
Customizable data logs
MicroSD card download
Remote (Internet) accessoptionaloptional
PROFIBUS, Modbusoptionaloptional

*Sensors, I/O, and relays are all optional and must be specified at time of ordering. See specifications on back for important details.

SensorsRangesNumber of Available Parameters
Free Chlorine2, 5, 10, 20, 200 mg/L1 (Free Cl)
Total Chlorine2, 5, 10, 20 mg/L1 (Total Cl)
Chlorine Dioxide0.5, 2, 5, 10, 20 mg/L1 (CIO2)
Chlorite2 mg/L1 (Chlorite)
 Ozone 0.2, 0.5, 2, 5, 10, 20 mg/L 1 (O3)
 pH with Temp0-142 (pH, Temperature)
ORP-1999 to 1999 mV1 (ORP)
 TSS/NTU 50-4,000 NTU, 0-20 g/L 3 (% solids, mg/L (or ppm), NTU)
 Streaming Current -1000 to 1000 SCV 3 (SCV, Motor RPM, Signal Health)
UV2540-100% UVT, 0-2 UVA2 (UVT, UVA)
Conductivity0-1,000 mS/cm22 (Conductivity, Temperature)
Torodial Conductivity0-2,000 mS/cm22 (Conductivity, Temperature)
Dissolved Oxygen0 to 50 mg/L
0-450% Saturation
3 (mg/L, % Saturation, Temp)
Particle Counter2 to 100 micron6 (Up to 6 Size Bins – counts or ppb)
External InputsUser Defined1 (User Defined)