
BL-983315-0 TDS Mini Controller (Range 0.0 to 199.9 ppm)
BL-983315-0
The controllers have been designed for TDS control in hydroponics, horticulture and water conditioning. The BL-983315 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) of a process stream that is within the 0.0 to 199.9 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 above the set point. The relay can be used to supply power to a dosing pump or a solenoid connected to a valve. The BL-983315 can also be used to monitor the quality of water produced from ion exchange, reverse osmosis (RO) or distillation.
The BL-983315 uses a 0.5 conversion factor in which 1.0 μS/cm = 0.5 ppm.
Adjustable Dry Contact Dosing Relay
The BL-983315 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 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" (13mm) NPT Male Threaded Amperometric Probe for Mounting In-line*
The BL-983315 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 983315 is supplied with mounting brackets, transparent cover, and instructions.
Range | 0.0 to 199.9 µS/cm | |
Resolution | 0.1 µS/cm | |
Accuracy | ±2% F.S. | |
TDS Conversion Factor | 0.5 | |
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 | max 2A (fuse protected), 250 Vac | |
Dosing Selection | Relay activated (contact closed) when the measurement reading is greater than the setpoint | |
Setpoint | adjustable from 0 to 199.9 µS/cm | |
Overtime | adjustable, typically from 5 to approx. 30 minutes | |
Power Supply | 12 VDC adapter (included) | |
Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9") | |
Weight | 200 g (7.1 oz.) |
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Range | 0.0 to 199.9 µS/cm | |
Resolution | 0.1 µS/cm | |
Accuracy | ±2% F.S. | |
TDS Conversion Factor | 0.5 | |
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 | max 2A (fuse protected), 250 Vac | |
Dosing Selection | Relay activated (contact closed) when the measurement reading is greater than the setpoint | |
Setpoint | adjustable from 0 to 199.9 µS/cm | |
Overtime | adjustable, typically from 5 to approx. 30 minutes | |
Power Supply | 12 VDC adapter (included) | |
Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9") | |
Weight | 200 g (7.1 oz.) |