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Dual-Channel Universal Process Controller for Industrial – HI520 HI520 is an advanced process controller that can be configured for applications requiring monitoring and/or control of four main water-analysis parameters: pH, ORP, Conductivity, and Dissolved Oxygen.
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Control Modes Set points for control operations can be configured to be on/off, proportional, or PID types of control. The flexibility in programming allows for fine-tuning of a set point to be maintained with tight control preventing any overshoot and waste of chemicals. Hold Function Hold can also be triggered manually and by using and external digital input for disabling control mode when performing maintenance. Configurable Alarm System Configurable for set points and temperature or activated by abnormal operation, a red Alarm LED will blink and can easily be seen from a distance. All relays configured for control are inactivated until the alarm state is resolved. Auto-cleaning cycle The cleaning function allows the ability to program one or more wash cycles and use the relays to activate valves, pumps or compressed air based on the type of washing that is required to maintain probes for reliable results. Relays Available with up to five electromechanical control relays and one alarm relay. Analog Outputs Up to four galvanically isolated analog outputs for control of pumps and valves. Digital RS485 Output Can daisy-chain up to 32 devices to a remote monitoring system. Digital Inputs Two digital inputs available for modes including disabling, cleaning and placing the controller into hold status?. Large LCD The LCD displays measurement information along with indicators of potential problems. The DIAG key then provides details of the issue. Data-logging Store info at selectable intervals along with relay control settings and calibrations data. Up to 100 lots, each holding 8600 records. Transfer to a flash drive as a .csv file using the USB Type-C port. Help Button Using the help and diagnostic button (? DIAG) will provide information related to errors or in setup mode, information about settings.
| Channels | 2 |
|---|---|
| Display | Graphic LCD, 128 x 64 pixel B/W with backlight |
| Digital Inputs | 2 independent, galvanically isolated inputs (configurable for Hold & Cleaning functions) |
| On state | 5 to 24 Vdc, low or high level active |
| Analog Outputs | 2 or 4 independent, galvanically isolated outputs 0 – 22 mA configurable as |
| Digital Communication | RS485 serial port – Remote monitoring and control USB-C port – Retrieve log files and firmware upgrading |
| Relays | Up to 5 relays (independently configurable for process variables, Hold & Cleaning functions |
| Fuse protected | 5A, 250V slow blow fuse |
| Alarm Relay for All Measurement Alarms | Electromechanical relay SPDT contact output 5A – 250 Vac; 5A – 30 Vdc (resistive load) Fuse protected |
| Data Logging | Interval log, up to 100 files, maximum 8600 records on each stored file. When the maximum limit of 100 stored files is reached, the most recent file will automatically erase the oldest one. |
| Power Supply | 100 – 240 Vac ±10%; 50/60 Hz; 15VA; fuse protected (2A, 250V slow blow fuse) |
| Power Consumption | 15VA |
| Installation Category | II |
| Environment | -20 to 50 oC (-4 to 122 oF); maximum 100% RH non-condensing |
| Enclosure* | Single case 1⁄2 DIN, type 4X, IP65 ingress protection |
| Weight | Approximately 1.6 kg |

Hanna
HI9829-14/15 is for premium quality 10 ppm and 100 ppm (mg/L) Nitrate (as N) calibration standards. It is produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with…

Hanna