To be used with HI 981406 pH/ORP Indicator.
All Product
Blackstone BL981411-1 Mini pH Controller, dosage of acid or base, Resolution 0.1pH, 115/230V
All Product
Spare ORP Electrode for HI 981406 and HI 982401 ORP Indicators.
Blackstone BL983329-1 TDS (total dissolved solids) mini controller, 0 to 999 mg / L, 115/230V. Water treatment, heating and air conditioning systems, cooling towers, surface technology, light industrial processes
Blackstone BL931700-1 Mini pH Controller, dosage of acid or base, 4-20 mA recorder output, 115/230 V Water treatment, sewage treatment, neutralization and decontamination, surface treatment, simple industrial processes
All Product
Submersion EC Probe, Four-ring and Platinum Sensors.
Blackstone BL983318-1 TDS (total dissolved solids) mini controller, 0:00 to 10:00 g / L, 115/230 V Water treatment, heating and air conditioning systems, cooling towers, surface technology, light industrial processes
All Product
Flow-thru monitoring ORP electrode, platinum sensor, with BNC connection and 3 m cable.
Blackstone BL982411-0 ORP mini controller, 0 to 1000 mV, 115/230 V
081-855-1842
02-541-4199
เครื่องวัดคุณภาพน้ำแบบหลายพารามิเตอร์ รุ่น HI98195 (pH/ORP/EC/Pressure/Temperature) 
เครื่องวัดปริมาณคลอรีนอิสระ รุ่น HI701 
