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Mini Conductivity Tester(3 in 1)
Mini Conductivity Tester(3 in 1)  US $ 15.5
The instrument is mainly used to measure TDS (the weight of total dissolved solid of water   solution , unit is mg/L or ppm) and c onductivity(the ability of conduction current expressed   in digit, unit is µS/cm ) and the temperature. It has high performance, pen-type   design, fas...
ZDST-2121 ‰Salt/Temp Digital Tester (2 in 1)
ZDST-2121 ‰Salt/Temp Digital Tester (2 in 1)  US $ 49
ZDST-2121 ‰Salt/Temp Digital Tester (2 in 1) Range :     0‰ - 100‰ ( ‰PPt );   0-90°C (32-194 °F) Resolution:  0.1‰ ;  0.1°C / 0.2°F Accuracy(23±5°C):   0‰ - 9‰ (± 1‰); 10‰ - 19‰(± 2‰); 20‰ - 29‰ (± 3‰) 30‰ - 49‰ (± 5‰);  50‰ - 79‰ (± 10-15‰); ...
Accurates ‰SALT/TDS/CF Digital Tester WR(3 in 1)
Accurates ‰SALT/TDS/CF Digital Tester WR(3 in 1)  US $ 64.5
ZDRS-2120 Accurates ‰SALT/TDS/CF Digital Tester WR(3 in 1) Range: SALT: 0.0-100.0 ‰ Salt,  TDS: 0-9990ppm, CF:0--100, Resolution: ± 0.1‰; 10ppm (mg/l); 1 CF, Accuracy: ±2% F.S. ±2% F.S; ±2% F.S. Temp.℃: 5 - 50°C ( 41 - 122°F ) / ATC Calibration: One-point at 1382 ppm; Features: The data ...
 Mini Tester DDS-PPM
Mini Tester DDS-PPM  US $ 24.5
DDS-PPM Mini Tester Range: 0-1999 ppm (mg/l), Resolution: 1 ppm (mg/l), Accuracy: ±2% Full Scale, Battery Life: DC 4 x 1.5V, Temp.℃: 5--50℃ (ATC) ,
ZDS- mS/cm Pen Tester WP
ZDS- mS/cm Pen Tester WP  US $ 31
ZDS- mS/cm Pen Tester WP Range: 0-19.99 mS/cm Resolution: 0.01 mS/cm, Accuracy: ±2% Full Scale, Battery Life: DC 4 x 1.5V(LR1130), Temp.℃: 5-50℃ (ATC), Features: Automatic switch-off function: After 8-10 minutes without pushing buttons, the meter will be switched off automatically.
ZDS- PPM Pen Tester WP
ZDS- PPM Pen Tester WP  US $ 31
ZDS- PPM Pen Tester WP Range: 0-1999 ppm (mg/l), Resolution: 1 ppm (mg/l), Accuracy: ±2% Full Scale, Battery Life: DC 4 x 1.5V, Temp.℃: 5--50℃ (ATC) , Features: Automatic switch-off function: After 8-10 minutes without pushing buttons, the meter will be switched off automatically,low power co...
 Salt-Temp Digital Tester ZDST-212
Salt-Temp Digital Tester ZDST-212  US $ 46
ZDST-212 %Salt/Temp Digital Tester (2 in 1) Range : 0% - 10% ( %Salt ) 0-90°C (32-194 °F) Resolution: 0.10% or 0.01% 0.1°C / 0.2°F Accuracy: 0% - 0.9% (± 0.1%); 1.0% - 1.9% (± 0.2%); 2.0% - 2.9% (± 0.3%) 3.0% - 4.9% (± 0.5%); 5.0% - 7.9% (± 1.0-1.5%); 8.0% - 10.0% (± 1.5%-2.0%) Working Temp: 5 ...
ZDS- EC Pen Tester WP
ZDS- EC Pen Tester WP  US $ 31
ZDS- EC Pen Tester WP Range: 0.00-19.99 EC(mS/cm), Resolution: 0.01 EC, Accuracy: ±2% Full Scale, Battery Life: DC4 x 1.5V, Temp.℃: 5--50℃ (ATC), Features: Automatic switch-off function: After 10 minutes without pushing buttons, the meter will be switched off automatically.
ZDS- uS/cm Pen Tester WP
ZDS- uS/cm Pen Tester WP  US $ 31
ZDS-uS / cm Pen Tester WP Range: 0-1999 uS/cm, Resolution: 1 uS/cm, Accuracy: ±2% Full Scale, Battery Life: DC 4 x 1.5V, Temp.℃: 5--50℃ (ATC) , Features: Automatic switch-off function: After 8-10 minutes without pushing buttons, the meter will be switched off automatically.
DDS-mS/cm Mini Tester
DDS-mS/cm Mini Tester  US $ 24.5
DDS-mS/cm Mini Tester Range: 0-19.99 mS/cm Resolution: 0.01 mS/cm, Accuracy: ±2% Full Scale, Battery Life: DC 4 x 1.5V, Temp.℃: 5--50℃ (ATC), Features:low power consumption.

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