เครื่องวัดและควบคุมค่า TDS Controller
รุ่น BL983319-1 แบรนด์ HANNA

Description

- For TDS control in hydroponics, horticulture and water conditioning. Compact in size, it can be mounted in confined spaces
- Readings are shown on the display and the multicolored 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.
- The overtime control system advises users when the relay is active too long, helping to prevent over dosage.

Specifications

Range: 0 to 1999 ppm (mg/L)
Accuracy: ±2% F.S.
Resolution: 1 ppm (mg/L)
Calibration: manual, with CAL trimmer
Dosing Relay: 1, max 2A (fuse protected), 250 Vac, 30 Vdc contact closed when reading falls below setpoint value
Overtime: adjustable, typically from 5 to approx. 30 minutes
Setpoint: adjustable from 0 to 1999 ppm
TDS Conversion Factor: 0.65
Temperature Compensation: Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°C
Dimensions: 83 x 53 x 99 mm (3.3 x 2.1 x 3.9")
Weight: 0.5 Kg.

Ordering Information

- BL983319-1 (115/230 VAC) and BL983319-0 (12 VDC) are supplied with mounting brackets, transparent cover and instruction manual.