$41.41

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

$41.41

Conductivity Standard, 7000 µS/cm at 25°C (3718 ppm TDS as NaCl) - 2245.70-16

$41.41

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

$79.03

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

$41.14

Conductivity Standard, 20,000 µS/cm (20 mS/cm) at 25°C (11,000 ppm TDS as NaCl) - 2247-16

$40.83

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

$41.44

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