Preamplified pH and EC probe for greenhouses, hydroponics, environmental monitoring, water treatment, boilers and cooling towers.
| Reference | Single, Ag/AgCl | |
| Junction | Cloth | |
| Plug | DIN | |
| Electrolyte | Gel | |
| Max Pressure | 0.1 bar | |
| Range | pH: 0 to 13 / EC T: 20 to 40°C (68 to 104°F) | |
| Tip Shape | Spheric (dia: 8 mm) | |
| Temperature Sensor | Yes | |
| Amplifier | Yes | |
| Body Material | Polypropylene | |
| Cable | 7-pole; 2 m (6.6′) |
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เครื่องวัดค่าเหล็ก รุ่น HI721 



