$154.80

Conductivity Standard, 30,100 µS/cm (30.1 mS/cm) at 25°C (17,200 ppm TDS as NaCl) - 2247.30-1

$64.42

Conductivity Standard, 16,630 µS/cm (16.63 mS/cm) at 25°C (9100 ppm TDS as NaCl) - 2246.17-32

$63.51

Conductivity Standard, 20,000 µS/cm (20 mS/cm) at 25°C (11,000 ppm TDS as NaCl) - 2247-32

$63.93

Conductivity Standard, 3000 µS/cm at 25°C (1534 ppm TDS as NaCl) - 2244.50-32

$66.85

Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C 65,750 ppm TDS as NaCl - 2249-32

$41.74

Conductivity Standard, 16,630 µS/cm (16.63 mS/cm) at 25°C (9100 ppm TDS as NaCl) - 2246.17-16

$62.29

Conductivity Standard, 100 µS/cm at 25°C (47.2 ppm TDS as NaCl) - 2237-32