Brand：
$150.00
SE
General TDSscan20 pen TDS meter, multi-range pen TDS meter
0~10.00, 100.0, 1000ppm, 10.00ppt (up to 20ppt)
Multi-range pen TDS meter, 1 to 3 point calibrate, 5 function parameters can be customized in the setting menu, the meter is suitable for measurement of total dissolved solids of liquids, measurement accuracy: 1% F.S.
$152.00
SE
HANNA HI70038P TDS calibrated liquid 6.44 g/L (ppt) /20mL * 25 packs
6.44 g/L (ppt) TDS calibrated solution with NIST traceability in portable single-use Encasement bags. Each bag contains 20 mL of solution in 25 bags.
$186.00
SE
HANNA HI98302 High Range Total Solid solubility TDS
0.00~10.00ppt（g/L)
HI98302 High performance TDS instrument, Wide Measurement range, Automatic calibration, Unique electrode design, Easy operation and suitable for many industries.
If you don't know how to choose "STIP-scan", please consult customer service.