$41.41

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

$40.18

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

$41.41

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

$41.41

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

$118.28

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

$79.03

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-100P

$40.83

Conductivity Standard, 500 µS/cm at 25°C (240 ppm TDS as NaCl) - 2241-16