The HydroACT Streaming Current Analyzer standard configuration includes version HA2 analyzer, 1 DuraTrac 3 sensor, 1 analog output, and 25 feet of interconnect cable. Optional features include relays, digital inputs, digital communications, expanded number of sensor inputs and analog outputs, color display, and data download capability. Maximum I/O capabilities and certain features are specific to the different versions of HydroACT as detailed below.
| HydroACT Features | HA2 | HA4 | HA8 |
| Sensor limit* | 2 | 4 | 8 |
| Analog output limit* | 2 | 4 | 8 |
| Relay limit* | 4 | 8 | 16 |
| Digital Input limit* | 4 | 8 | 16 |
| On/Off threshold control | optional | optional | optional |
| Advanced control (e.g. PID) | optional | optional | optional |
| Color display | • | • | |
| Data logging and download | • | • | |
| Remote (Internet) access | optional | optional | |
| PROFIBUS, Modbus | optional | optional |
*Optional configuration limits. See above description for standard configuration of analyzer version & I/O setup. Optional configurations must be specified.
| Sensor Options | Free Cl, Total Cl, Cl Dioxide, Chlorite, Ozone, ORP, pH with Temperature, DO, Conductivity, SCM, UV254 Organics, TSS/NTU, Particle Counter |
| Available Output Types | Universal (0-20mA, 4-20mA, 0-10 VDC) |
| Relays (optional) | SPST electromechanical relays rated for 380 VAC, 6A max. |
| Alarms & Thresholds | User-configurable alarms and 2 userconfigurable thresholds (for control) |
| Chemical Feed Control (optional) | HA4 & HA8 only – PID, Feed Forward, Flow Proportional, Timer – multiple loops |
| Communication (optional) | Modbus ASCII/RTU (RS485), Modbus TCP (Ethernet), Profibus DP |
| Data Logging (optional) | Customizable data logs. 1 million records can be logged internally, and downloaded to MicroSD card. |
| Enclosure | ABS flame retardant, IP65, Nema 4X |
| Display | 4.3”, 480×272, 24 bit, grayscale Optional: color (HA4 & HA8 only) |
| Dimensions | HA2 & HA4 – 9.0” W x 12.2” H x 4” D (230 mm W x 309 mm H x 1035 mm D) HA8 – 18.0” W x 12.2” H x 4” D (460 mm W 309 mm H x 1035 mm D) |
| Weight | HA2 & HA4 – 4.5 lbs (2 kg) HA8 – 9 lbs (4 kg) |
| Warranty | 12 |
DuraTrac 4 Streaming Current Sensor
| Range | -1000 to +1000 |
| Signal Gain | User adjustable, 1 to 600x |
| Zero Offset | User adjustable |
| Sample Flow Rate | 1-5 GPM |
| Probe Type | Quick-replacement cartridge |
| Piston Type | Quick-replacement |
| Water Sample Connections | Inlet, 0.75” (19 mm) OD, barb type |
| Water Sample Outlet | 1” (25 mm) pipe to atmosphere |
| Materials Contacting Sample | Delrin, nylon, neoprene, viton, PVC, stainless steel |
| Wiring Connections | 1 ea. shielded, 4 conductor, 18 AWG |
| Self Diagnostics | Motor, opto switch |
| Power Requirements | 110 VAC, 1 A, 60 Hz 220 VAC, 1 A, 50 Hz (optional) |
| Enclosure | NEMA 4X, fiberglass reinforced |
| Operating Temperature | 34° – 120° F (1° – 49° C) |
| Dimensions | 9.2” W x 7.2” H x 5.3” D (234 mm W x 183 mm H x 135 mm D) |
| Weight | 10 lbs (4.5 kg) |
*Repeatability/Accuracy specifications for most other SCM’s are only valid when conductivity is very stable. These instruments do not perform to their specification when conductivity changes by as little as 10%.