$63.46

Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C 5400 ppm TDS as NaCl - 2246-32

$156.46

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-1

$428.45

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-5

$154.36

Conductivity Standard, 46.7 µS/cm at 25°C (22.0 ppm TDS as NaCl) - 2236.07-1

$63.93

Conductivity Standard, 150 µS/cm at 25°C (71 ppm TDS as NaCl) - 2236.25-32

$63.93

Conductivity Standard, 70 µS/cm at 25°C (33.0 ppm TDS as NaCl) - 2236.14-32

$62.29

Conductivity Standard, 1000 µS/cm at 25°C (495 ppm TDS as NaCl) - 2243-32