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Conductivity Controller (0.00 to 19.99 µS/cm) – BL983322-2 | 115/230VAC, Output: 4-20 mA
The BL983322 is a compact, panel mounted, process controller for measuring electrolytic conductivity (EC) of a process stream. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is above the set point. The relay can be used to activate a solenoid that switches from one DI (deionized) tank to another or to open a valve that will allow lower EC water to flow into a tank being monitored in order to lower its EC. The BL983322 can also be used to monitor the quality of water from DI tanks or from a distillation apparatus. The BL983322 measures EC from 0.00 to 19.99 µS/cm.
Multicolor LED Indicator
LED changes color based on status.
Fire Retardant Casing
For additional safety the controllers outer case is made of fire resistant plastic.
Splash Resistant Cover
A clear plastic cover protects the face panel from dirt and liquids.
811.00 AED
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Adjustable Dry Contact Dosing Relay
The BL983322 features a dosing relay that is activated when the reading is above a user programmable set point.
Programmable Overdose Protection
For enhanced safety the mini controller can be programmed to deactivate the dosing relay if the set point is not reached within a specified time interval. The overdosing timer is programmable from 5 to 30 minutes or disabled.
Relay Control Override
With the flick of a switch the mini controller’s relay can be disabled (Off), placed in control (Auto), or be activated for manual operation (On) which is useful for priming a dosing pump.
Multicolor LED Indicator
Multicolor LED indicator allows an operator to quickly check the status of the controller.
- Green = Meter in measurement mode and reading is below the set point.
- Orange/Yellow = Reading is above the set point and the relay is activated.
- Blinking Red = Indicates an alarm condition such as when the maximum dosing time has been exceeded.
Fuse Protected Dosing Contacts
The relay dosing contact is rated for up to a 2A load and is fuse protected.
Labeled Termination Connections
Quick-connect terminal blocks are clearly labeled for easy connection to power, conductivity probe and relay that can be used to operate a dosing pump, valve, audible alarm, or light.
1/2″ NPT Male Threaded Amperometric Probe for Mounting In-line*
The BL983322 mini controller uses the HI7634 conductivity probe that is available with different cable lengths.
*HI7634 is not included and must be ordered separately
Front View
Installation cut-out dimensions are provided as well as outside panel dimensions.
Side View
Adjustable location brackets allow the controller to slide easily and securely into place..
Specifications
| SKU | BL983322-2 |
| Name | Conductivity Controller (0.00 to 19.99 µS/cm) – BL983322-2 | 115/230VAC, Output: 4-20 mA |
| EC Range | 0.00 to 19.99 µS/cm |
| EC Resolution | 0.01 µS/cm |
| EC Accuracy | ±2% f.s. |
| EC Calibration | manual, with CAL trimmer |
| EC/TDS Temperature Compensation | automatic from 5 to 50°C (41 to 122°F) with β =2%/oC |
| EC/TDS Dosing Relay | maximum 2A (fuse protected), 250 Vac, 30 VDC |
| EC/TDS Dosing Set Point | adjustable from 0 to 19.99 µS/cm |
| Over Dosing Control | adjustable, typically from 5 to approximately 30 minutes |
| Power Supply | models “-0”: 12 VDC adapter (included) models “-1”: 115/230 VAC; 50/60Hz |
| Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9”) |
| Weight | models “-0”: 200 g (7.1 oz.) models “-1”: 300 g (10.6 oz.) |
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