HI 9913 is a 2-in-1 pH and conductivity controller engineered for dosage of fertilizer solutions in hydroponics and agriculture.
HI991401 - GRO'CHEK pH / ° C electrode with Monitor, Automatic Temperature Compensation. Range 0.0 to 14.0 pH 6.0 and 60 ° C. Agriculture and horticulture.
HI991404 - GRO'CHEK Combo pH / EC / TDS / ° C monitor with electrodes Automatic Temperature Compensation. Range 0.0 to 14.0 pH 6.0 and 60 ° C, EC 0-3999 uS / cm TDS 0 to 2000 ppm (mg / L). Agriculture and horticulture.
HI991405 - GRO'CHEK Combo pH / EC / TDS / ° C monitor with electrodes Automatic Temperturkompensation. Range 0.0 to 14.0 pH 6.0 and 60 ° C, EC 0:00 to 20:00 mS / cm TDS 0:00 to 10:00 g / L. Agriculture and horticulture.
pH / ° C meter compact with sturdy stainless steel electrode HI 72911D, waterproof, 0:00 to 16:00 pH pH, Temperature 0.0 to 105.0 ° C
All Product
HI 99191 is a waterproof portable pH/temperature meter designed specifically for measuring the pH of drinking water.
EC / TDS / ° C meter, waterproof, complete in carrying case. 0-3999 uS / cm, 0 to 2000 ppm TDS (mg / L) Temp 0.0 to 60.0 ° C.
EC/TDS Meter
EC / TDS / ° C meter, waterproof, complete in carrying case. 0 to 20 mS / cm TDS 0 by 10.00 ppt (g / L), Temp 0.0 to 60.0 ° C.
HI993301 - GRO'CHEK EC / TDS / ° C electrode with monitor, Automatic Temperature compensation. Range 6.0 to 60 ° C, EC 0-3999 uS / cm TDS 0 to 2000 ppm (mg / L). Agriculture and horticulture.
HI993302 - GRO'CHEK EC / TDS / ° C electrode with monitor, Automatic Temperturkompensation. EC range 0:00 to 20:00 mS / cm, TDS 0.00 to 10.0, 0.0 to 60.0 ° C. Temp Agriculture and horticulture.
Leitfähigkeits-Meter für Messung direkt im Boden mit 2 Sonden EC 0.00 bis 19.99 mS/cm Salzaktivität 0.00 bis 1.00 g/L ATC - Automatische Temperaturkompensation.
The infrared radiation emitted by an object is closely related to its temperature. Quick and practical measures HI 99550Temperatur using infrared technology. Even hard to reach objects or packaged from - without damaging goods packaging! • Ergonomic compact housing • HOLD function to freeze a reading in the display • Fast response time (1 second)
HI38054 CTK Ozone
HI3818 CTK Carbon Dioxide
HI70038C - 6.44 g/l (ppt) TDS@25°C Zert. - 25x20ml
CTK Chrom VI
HI7033L - EC 84 µS/cm@25°C - 500ml
HI7039L - EC 5000 µS/cm@25°C - 500ml
BL983322-1 EC Mini Controller, 0 to 19.99 µS/cm, 230V
HI7035L - EC 111800 µS/cm@25°C - 500ml 



