Hanna BL-983319-0 TDS Mini Controller (0 to 1999 ppm)
The BL983319 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) in a process stream that is within the 0 to 1999 ppm (mg/L) range. 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 below the set point. The relay can be used to supply power to a dosing pump to add fertilizer to a nutrient solution in order to maintain an ideal concentration.
*The BL983319 uses a 0.65 conversion factor in which 100 μS/cm = 65 ppm.
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.
Programmable Overdose ProtectionFor 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 OverrideWith 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.
Labeled Termination ConnectionsQuick-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.
*HI7634 is not included and must be ordered separately
Specifications Hanna BL-983319-0 TDS Mini Controller
|Product Name||TDS Mini Controller (0 to 1999 ppm) – BL983319|
|TDS Range||0 to 1999 ppm (mg/L)|
|TDS Resolution||1 mg/L ppm (mg/L)|
|TDS Accuracy||±2% f.s.|
|TDS Calibration||manual, with CAL trimmer|
|EC/TDS Temperature Compensation||automatic from 5 to 50°C (41 to 122°F) with β =2%/oC|
|EC to TDS Conversion Factor||0.65|
|EC/TDS Dosing Relay||maximum 2A (fuse protected), 250 Vac, 30 VDC|
|EC/TDS Dosing Set Point||adjustable from 0 to 1999 mg/L (ppm)|
|Dosing Control||contact closed when measure < setpoint|
|Over Dosing Control||adjustable, typically from 5 to approximately 30 minutes|
|Power Supply||models “-0”|
|Dimensions||83 x 53 x 99 mm (3.3 x 2.1 x 3.9’’)|
|Ordering Information||BL983319-1 (115/230 VAC) and BL983319-0 (12 VDC) are supplied with mounting brackets, transparent cover and instruction manual.|
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