Add to Cart Compare Quick view HM Digital HM Digital ORP-200 Tester MSRP: Now: 151.90USD Was: PRODUCT DOCUMENTATION HM Digital ORP-200 User Manual Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums &... ORP-200 MSRP: Now: 151.90USD Was: Add to Cart Compare Quick view
Add to Cart Compare Quick view HM Digital HM Digital PH-200 Tester MSRP: Now: 121.22USD Was: PRODUCT DOCUMENTATION HM Digital PH-200 User Manual The HM Digital PH-200 is an easy to use, easy to calibrate and extremely reliable pH testing meter for use in drinking water, waste water,... PH-200 MSRP: Now: 121.22USD Was: Add to Cart Compare Quick view
Add to Cart Compare Quick view HM Digital TDS-3 HM Digital TDS Meter With Case MSRP: Now: 25.52USD Was: PRODUCT DOCUMENTATION HM Digital TDS-3 Manual HM Digital TDS Meter General Usage and Calibration Instructions FEATURES Ideal for commercial use. Includes a carrying case with belt clip... TDS-3 MSRP: Now: 25.52USD Was: Add to Cart Compare Quick view
Add to Cart Compare Quick view HM Digital COM-100 HM Digital Waterproof EC/TDS/TEMP Meter MSRP: Now: 93.40USD Was: PRODUCT DOCUMENTATION HM Digital COM-100 User Instruction Manual HM Digital TDS Meter General Usage and Calibration Instructions FEATURES Measures electrical conductivity (EC), total... COM-100 MSRP: Now: 93.40USD Was: Add to Cart Compare Quick view
Add to Cart Compare Quick view HM Digital HM Digital C342 TDS Calibration Solution (90 ml) MSRP: Now: 11.95USD Was: For optimal performance you shoul re-calibrate the TDS meters periodically. NaCl calibration solution are available in 342 ppm or 1000 ppm The calibration solution comes in lightweight HDPE... C342 MSRP: Now: 11.95USD Was: Add to Cart Compare Quick view
Compare Quick view HM Digital HM Digital C1000 TDS Calibration Solution (90 ml) MSRP: Now: 11.42USD Was: DISCONTINUED!! For optimal performance you shoul re-calibrate the TDS meters periodically. NaCl calibration solution are available in 342 ppm or 1000 ppm The calibration... C1000 MSRP: Now: 11.42USD Was: Compare Quick view