BL-983322-0 CONDUCTIVITY CONTROLLER (LOW RANGE@ 19.99 µS/C)
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BL-983322-0
The Hanna mini controllers have been specially designed for water conditioning and growing applications. The BL-983322 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 (deionised) 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 BL-983322 can also be used to monitor the quality of water from DI tanks or from a distillation apparatus. The BL-983322 measures EC from 0.00 to 19.99 μS/cm.
Adjustable Dry Contact Dosing Relay
The BL-983322 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.
Multicolour LED Indicator
Multicolour 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.
Labelled Termination Connections
Quick-connect terminal blocks are clearly labelled 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 BL-983322 mini controller uses the HI-7634-00 conductivity probe that is available with different cable lengths.
*HI-7634-00 is not included and must be ordered separately.
Order Information:
The BL 983322 is supplied with mounting brackets, transparent cover, and instructions.
| Range | 0.00 to 19.99 µS/cm | |
| Resolution | 0.01 µS/cm | |
| Accuracy | ±2% F.S. | |
| Probe | HI 7634-00 (not included) | |
| Temperature Compensation | Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°C | |
| Calibration | manual, with CAL trimmer | |
| Dosing Relay | 1, max 2A (fuse protected), 250 Vac, 30 Vdc; contact closed when reading exceeds setpoint value | |
| Setpoint | adjustable from 0 to 19.99 µS/cm | |
| Overtime | adjustable, typically from 5 to approx. 30 minutes | |
| Power Supply | 12 VDC adaptor | |
| Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9") | |
| Weight | 200g |
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| Range | 0.00 to 19.99 µS/cm | |
| Resolution | 0.01 µS/cm | |
| Accuracy | ±2% F.S. | |
| Probe | HI 7634-00 (not included) | |
| Temperature Compensation | Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°C | |
| Calibration | manual, with CAL trimmer | |
| Dosing Relay | 1, max 2A (fuse protected), 250 Vac, 30 Vdc; contact closed when reading exceeds setpoint value | |
| Setpoint | adjustable from 0 to 19.99 µS/cm | |
| Overtime | adjustable, typically from 5 to approx. 30 minutes | |
| Power Supply | 12 VDC adaptor | |
| Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9") | |
| Weight | 200g |
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