- Easy to handle
- Fire retardant casing
- Selectable overdose protection system
- Splash resistant cover
Dosing Relay: Contact close when measure: < set point
This instrument has been designed for TDS control in hydroponics, horticulture and water conditioning. Compact in size, it can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals. These meters permit automatic control of installations previously checked manually.
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. 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.
Order Information:
BL 983319-1 ( 115/230V), is supplied with mounting brackets, transparent cover and instruction manual.
Manual: Download
Specification :
| Range | 0 to 1999 ppm | |
| Resolution | 1 ppm | |
| Accuracy @ 25°C | ±2% F.S. | |
| TDS Conversion Factor | 0.65 | |
| 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 1999 ppm | |
| 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’’) |
เครื่องวัดปริมาณโบรมีน ในตัวอย่างน้ำ รุ่น HI716
HI7035L - EC 111800 µS/cm@25°C - 500ml
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
HI731321 - Glass Cuvette 4 pcs. - Photometer Series HI 937xx, HI 832xx und HI 7xx
HI775 Checker HC ® - Alkalinity in fresh water (dKH)
เครื่องวัดปริมาณฟอสเฟต ช่วงสูง รุ่น HI717
HI7034L - EC 80000 µS/cm@25°C - 500ml
HI701 Checker HC ® - Free Chlorine
น้ำยามาตรฐานสอบเทียบ ค่ามาตรฐานความเค็ม
น้ำยามาตรฐานสอบเทียบ ค่ามาตรฐานความเค็ม
เครื่องวัดปริมาณแอมโมเนีย ช่วงต่ำ รุ่น HI700
Multiparameter Benchtop Photometer and pH meter
HI715 Checker HC ® - Ammonia, MR
HI70630L - RfE - Fleisch - 500ml
น้ำยามาตรฐานสอบเทียบ 





