GroLine Waterproof EC/TDS Tester - HI98318
DiST® 6 EC/TDS/Temperature Tester (0.00 to 20.00 mS/cm) - HI98312
DiST 4 Waterproof EC Tester (0.00-20.00 mS/cm) - HI98304
Ultra Pure Water EC/Resistivity Waterproof Portable Meter - HI98197
Combo pH/Conductivity/TDS Tester (High Range) - HI98130
Portable pH/EC/TDS meter, range: pH 0.0 to 14.0 pH EC 0.00 to 4.00 mS/cm TDS 0 to 1999 ppm (mg/L) - HI9813-51
pHep®4 pH/Temperature Tester - HI98127
GroLine Hydroponics pH Tester with 0.01 Resolution - HI98115
Portable pH/EC/TDS/Temperature Meter, EC range: 0 to 1990 µS/cm, TDS range: 0 to 1990 ppm (mg/L) - HI9812-51
ORP/Temperature Tester - HI98120
GroLine Waterproof pH Tester with 0.01 Resolution - HI98118
Portable pH/EC/TDS/Temperature Meter, EC range: 0 to 6000 µS/cm, TDS range: 0 to 3000 ppm (mg/L) - HI9811-51
pHep Waterproof Pocket pH Tester with 0.1 pH Resolution - HI98107
Free Chlorine and UHR Total Chlorine Portable Photometer- Meter Only - HI97771
Free & Total Chlorine HR Portable Photometer- Meter Only – HI97734
pH, Free and Total Chlorine Portable Photometer with CAL Check - Meter Only - HI97710
pH, Alkalinity, Free Chlorine, Total Chlorine, and Cyanuric Acid Photometer - HI97104-meter only
pH Analog Controller with Dual Output and Self-Diagnostic Test – HI8711
Automatic Potentiometric Titrator - HI931-02
Karl Fischer Volumetric Titrator HI933-02
Multi-range EC Meter - HI8733
Panel-mounted pH Analog Indicator with Self Diagnostic Test – HI8510
pH Analog Controller with Self-Diagnostic Test – HI8710
Portable pH/mV Meter - HI8424
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0.1° Resolution K-Type Thermocouple Thermometer with High/Low Limit Display - HI93531
0.23 g/L Sodium Standard Solution (230 mL Bottle) - HI7087M
0.3 g/L NaCl Standard Solution (230 mL Bottle) - HI7085M
0.3 g/L NaCl Standard Solution (500 mL) - HI7085L
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