TDS Mini Controller (0.00 to 10.00 ppt)

SKU : 6172f08e4efa

The BL983318 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) 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 valve to open and drain a tank (i.e. boiler bleed and feed) or add freshwater until the desired set point is reached. The BL983318 uses a 0.5 conversion factor in which 1.00 mS/cm = 0.50 ppt. The BL983318 can measure TDS from 0.00 to 10.00 ppt (g/L)

  • Multicolor LED Indicator
  • Fire Retardant Casing
  • Fire Retardant Casing
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Adjustable Dry Contact Dosing Relay

The BL983318 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.

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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.

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1/2″ NPT Male Threaded Amperometric Probe for Mounting In-line*

The BL983318 mini controller uses the HI7632-00 conductivity probe that is available with different cable lengths.

*HI7632-00 is not included and must be ordered separately

 

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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.

 

 

 

Specification NameDetail
SKUBL983318
TDS Range0.00 to 10.00 g/L (ppt)
TDS Resolution0.01 g/L (ppt)
TDS Accuracy (@25°C/77°F)±2% F.S.
TDS Conversion Factor0.5
Temperature Compensationautomatic from 5 to 50°C (41 to 122°F) with ß=2%/ºC
Calibrationmanual, with CAL trimmer
Dosing Relaymaximum 2A (fuse protected), 250 Vac, 30 VDCcontact closed when measure > setpoint
Setpointadjustable from 0 to 10 ppt (g/L)
Overtimeadjustable, typically from 5 to approximately 30 minutes
Power SupplyBL983318-0: 12 VDC adapter (included)BL983318-1: 115/230 VAC; 50/60Hz
Dimensions 83 x 53 x 99 mm (3.3 x 2.1 x 3.9’’)
WeightBL983318-0: 200 g (7.1 oz.)BL983318-1: 300 g (10.6 oz.)
Ordering InformationSupplied with mounting brackets, transparent cover and instruction manual.
Recommended ProbeHI7632-00 EC/TDS probe with internal temperature sensor and 2 m (6.6’) cable (not included).