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This HANNA mini controller has been specially designed for water conditioning and growing applications. Compact in size, it can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals. This meter permits automatic control of installations previously checked manually.
EC measurements are shown on the display and the multicolored LED continuously indicates if the mini controller is in measurement, dosing or alarm mode.BL 983320 measures from 0.0 to 199.9 µS/cm.
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 need. The overtime control system advices users when the relay is active for too long, helping to prevent over dosage.
BL 983320-0 (12 VDC), BL 983320-1 ( 115/230V), are supplied with mounting brackets, transparent cover and instruction manual.
|Range||0.0 to 199.9 µS/cm|
|Accuracy @ 25°C||±2% F.S.|
|Probe||HI 7634-00 EC/TDS probe with internal temperature sensor and 2 m (6.6’) cable (not included)|
|Temperature Compensation||Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°C|
|Calibration||manual, with CAL trimmer|
|Dosing Relay||maximum 2A (fuse protected), 250 Vac, 30 VDC contact close when measure > set point|
|Setpoint||adjustable from 0 to 199.9 µS/cm|
|Overtime||adjustable, typically from 5 to approx. 30 minutes|
|Power Supply||See Chart|
|Dimensions||79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)|
|HI 7634-00||TDS Probe, 2 m cable|
|HI 7031L||1413 µS/cm EC Solution, 500 mL Bottle|
|HI 7033L||84 µS/cm EC Solution, 500 mL Bottle|
|HI 7061L||General Purpose Cleaning Solution
1 x 500 mL bottle
|HI 710005||Power Adapter, 115 Vac to 12 VDC, US Plug|
|HI 710006||Power Adapter, 230 Vac to 12 VDC, European Plug|
|HI 740146||Mounting Brackets for BL 931700 Housing|
|HI 7634-00/4||TDS Probe, 4 m cable|