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Spectrum Labs® Test and Demo Kits
HM Digital TDS-4 Pocket Meter
$55.44
HM Digital TDS-4 Pocket Meter. Range: 0 - 9990 ppm (mg/L) Resolution: 0-999: 1 ppm; 1000-9990 10 ppm (indicated by a 'x10' icon) Accuracy: +/- 2%... more info
MO-P-RO-TEST TGI-TDS MONITOR SINGLE PROBE
$63.56
MO-P-RO-TEST TGI-TDS MONITOR SINGLE PROBE more info