Spare ORP Electrode for HI 981406 and HI 982401 ORP Indicators.
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AmpHel ORP electrode for PCA 330, with differential input, DIN, 0.5m cable
HI1002 - pH electrode, flow-thru monitoring, BNC, 3 or 5 m cable, high-pressure applications.
This product has multiple variants. The options may be chosen on the product page
Blackstone BL983324-1 TDS (total dissolved solids) mini controller, 0.0 to 49.9 mg / L, 115/230V. Water treatment, heating and air conditioning systems, cooling towers, surface technology, light industrial processes
Blackstone BL983314-1 resistance mini-controller, 0.00 to 19.90 MΩ / cm, 115/230 V Water treatment, heating and air conditioning systems, cooling towers, surface technology, light industrial processes
Blackstone BL983321-1 TDS (total dissolved solids) mini controller, 0.00 to 19.99 mg / L, 115/230V. Water treatment, heating and air conditioning systems, cooling towers, surface technology, light industrial processes
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Flow-thru monitoring ORP electrode with BNC connection and 3 m cable.
Blackstone BL983313-1 Mini Conductivity Controller, 0 to 1999 ĩS / cm, 115/230 V Water treatment, heating and air conditioning systems, cooling towers, surface technology, Simple industrial processes
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Blackstone BL981411-1 Mini pH Controller, dosage of acid or base, Resolution 0.1pH, 115/230V
081-855-1842
02-541-4199
เครื่องวัดคลอรีน 
HI5007 - 7.01 pH@25°C - TQ - 500ml 
HI98128 pH/°C-Tester (0.01 pH resolution) - waterproof 
