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HI 720122-1 : EC / TDS Conductivity Process Digital Controller with Inductive Probe, single set point, on/off and PID control, single analog output, 115V
- Autoranging EC or TDS and temperature for EC/TDS
- Automatic temperature compensation for EC/TDS
- Fully customizable: automatic/manual/no temperature compensation; Selectable reference temperature between 02 and 25 C; Selectable temperature coefficient between 0.00 to 20.00%/C; Selectable temperature compensation curve between linear, salinity or user definable, Selectable TDS factor between 0.01 to 1.00
- Temperature compensation curve selectable between linear, salinity or user defined
- TDS factor selectable between 0.01 to 1.00
- Supports inductive EC probe HI 7650 series with built-in Pt100/1000 sensor temperature
- PID, PI, Proportional or On/off control for one set point
- Sensor Check™ for real time detection of soiled EC/TDS probes
- Damage test for temperature probe
- Mount probes directly or use a digital transmitter for large distances
- Logging of up to 100 system events
- Control with up to 4 relays or analog output in 0-20 mA or 4-20 mA
- Probe cleaning program performed automatically, by alarm or upon user request
More Information
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| Range |
Conductivity |
0 to 2000 mS/cm (autoranging) |
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Temperature |
-30 to 130°C / -22 to 266°F |
| Resolution |
Conductivity |
1 µS/cm (0 to 1999 µS/cm); 0.01 mS/cm (2.00 to 19.99 mS/cm); 0.1 mS/cm (20.0 to 199.9 mS/cm); 1 mS/cm (200 to 2000 mS/cm) |
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Temperature |
0.1°C / 0.2°F |
| Accuracy @ 20°C |
Conductivity |
±2% f.s. |
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Temperature |
±0.5°C / ±1°F |
Temperature
Compensation |
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automatic or manual, -30 to 130°C |
Temperature
Probe |
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three-wire or two-wire Pt100 or Pt1000 sensor with automatic recognition and damage test |
| Digital Input |
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digital transmitter, hold and advanced cleaning inputs |
| Digital Output |
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one digital insulated contact closed upon hold mode |
| Analog Output |
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one or two independent outputs; 0-22 mA (configuring as 0-20 mA or 4-20 mA) |
| Digital Serial Output |
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RS485 |
| Dosing Relay |
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1, 2, 3 or 4 electromechanical relays SPDT; 5A-250 VAC, 5A-30 VDC (resistive load); fuse protected: 5A, 250 V fuse |
| Alarm Relay |
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1 electromechanical relay SPDT; 5A-250 VAC, 5A-30 VDC (resistive load); fuse protected: 5A, 250 V fuse |
| Installation Category |
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II |
| Power Supply |
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115 VAC 60 Hz; fuse protected: 400 mA, 250 V fast fuse |
| Power Consumption |
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10 VA |
Max Oscillation
Frequency |
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8 MHz |
| Environment |
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0 to 50°C (32 to 122°F); RH max 85% non-condensing |
| Enclosure |
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single case 1/2 DIN |
| Weight |
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approximately 1.6 kg (3.5 lb.) |
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Weight:
4.10 Pounds |
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Dimensions:
6.00(L) x
6.00(W) x
6.00(H) Inches |
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Weight Disclaimer: *Weight may vary based on configuration. |
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| SKU | Item | Price | |
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HI720224-1 |
HI 720224-1 : EC / TDS Conductivity Process Digital Controller with Inductive Probe, 2 set point, on/off and PID control, 2 analog output, 115V |
$905.00 |
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