$41.93

Conductivity Standard, 50,000 µS/cm (50 mS/cm) at 25°C (30,300 ppm TDS as NaCl) - 2248-16

$41.41

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

$41.41

Conductivity Standard, 150 µS/cm at 25°C (71 ppm TDS as NaCl) - 2236.25-16

$41.44

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-16

$118.28

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-20

$41.41

Conductivity Standard, 23.8 µS/cm at 25°C (11.2 ppm TDS as NaCl) - 2236.06-16

$57.01

Conductivity Standard, 50 µS/cm at 25°C (23.6 ppm TDS as NaCl) - R2236100-100A5