Protective carrying case organizes meter and materials|
Includes everything you need for convenient calibration
Calibration standards are made with NIST traceable materials
Each kit contains TDS Singles calibration pouches (two each of 447 µS, 1413 µS, 2764 µS, 15,000 µS, and rinse water); sample jar; and screwdriverall in a hard shell carrying case with room for your TDSTestr (order Testr separately).
TDS Singles are handy, single use pouches that each contain 20 ml of fresh calibration solution. Accuracy is ±1% at 25°C.