Hanna BL-983319-0 Mini TDS controller 0 to 1999 ppm
These meters permit automatic control of installations that were previously checked manually.
This meter is no longer supplied with an electrode, the HI-7634-00 can be ordered as an additional item.
Readings are shown on the display and the multi-coloured LED continuously indicates if the mini-controller is in measurement, dosing or alarm mode.
Users can choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations, because it permits operators to enable or disable the dosing relay according to your need.
The overtime control system advises users when the relay is active too long, helping to prevent over-dosage.
Features Hanna BL-983319-0 Mini TDS controller :
Adjustable Dry Contact Dosing Relay
The BL983319 features a dosing relay that is activated when the reading is below 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.
Specification Hanna BL-983319-0 Mini TDS controller :
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.) |
Hanna BL-983319 Catalog
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