$41.41

Conductivity Standard, 50 µS/cm at 25°C (23.6 ppm TDS as NaCl) - 2236.10-16

$63.93

Conductivity Standard, 50 µS/cm at 25°C (23.6 ppm TDS as NaCl) - 2236.10-32

$154.36

Conductivity Standard, 50 µS/cm at 25°C (23.6 ppm TDS as NaCl) - 2236.10-1

$740.25

Conductivity Standard, 50 µS/cm at 25°C (23.6 ppm TDS as NaCl) - 2236.10-5

$40.18

Conductivity Standard, 100 µS/cm at 25°C (47.2 ppm TDS as NaCl) - 2237-16

$41.41

Conductivity Standard, 46.7 µS/cm at 25°C (22.0 ppm TDS as NaCl) - 2236.07-16

$118.28

Conductivity Standard, 100 µS/cm at 25°C (47.2 ppm TDS as NaCl) - 2237-20