Spare ORP Electrode for HI 981406 and HI 982401 ORP Indicators.
Blackstone BL932700-1 ORP mini controller, -1000 to +1000 mV, 4-20 mA recorder output, 115/230 V
All Product
AmpHel ORP electrode for PCA 330, with differential input, DIN, 0.5m cable
Blackstone BL983315-1 TDS (total dissolved solids) mini controller, 0.0 to 199.9 mg / L, 115/230V. 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
Blackstone BL983327-1 Mini Conductivity Controller by 10.00 mS / cm, 115/230V. Dosing Relay - closes the contact when measured value> limit.
All Product
Flow-thru Conductivity Probe with or without DIN Connection and 3, 5 and 10 m cable.
All Product
Flow-thru monitoring ORP, platinum sensor, electrode with matching pin and 5 m cable
081-855-1842
02-541-4199
เครื่องควบคุมค่าความนำไฟฟ้า 
น้ำยามาตรฐานสอบเทียบ ค่ามาตรฐานความเค็ม 
HI711 Checker HC ® - Total Chlorine 
สารละลายมาตรฐานความขุ่น 20 NTU 
