$172.15

Portable Water Quality Monitor PH Meter mV Tester Temp Display 0-14.00pH Range

$161.31

Digital Lab pH Meter Portable pH mV Temperature Tester with0---14.00pH ±1600 mV

$184.79

Industrial pH Controller Meter PH Meter with Range 0-14pH Accuracy ±0.02pH;

$203.89

Pen Type Pocket Conductivity Tester Temp Meter Measurment with Accuracy 1% F.S.

$1294

1PC USED Thermo Scientific Orion Star A214 pH/ISE Meter By DHL or UPS

$77.03

EC-316 Soil EC Tester ATC High-Precision Digital Soil Meter Conductivity Tester

$158.59

Aquarium Redox value tester fish tank ORP-3000/ORP-3010 ORP test controller

$325

Dr.kornder Artikel Nr. 358065 K-5600 pH Meter

$180.3

Benchtop Digital Lab Acidity pH mV Meter Tester with Range 0-14.00pH 0-±1999m

$165.19

TDS Tester Water Quality Meter Range 0.05 to 10.00ppt for Wastewater Aquaculture

$1080

1pcs Endress+Hauser CLS21-C1N2A Analog Conductivity Sensor

$71.57

CM-230 Industrial Online Conductivity tester monitor Automatic ranging zeroing Y