$63.51

Conductivity Standard, 50,000 µS/cm (50 mS/cm) at 25°C (30,300 ppm TDS as NaCl) - 2248-32

$63.93

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

$152.64

Conductivity Standard, 50,000 µS/cm (50 mS/cm) at 25°C (30,300 ppm TDS as NaCl) - 2248-1

$63.02

Conductivity Standard, 500 µS/cm at 25°C (240 ppm TDS as NaCl) - 2241-32

$149.74

Conductivity Standard, 1000 µS/cm at 25°C (495 ppm TDS as NaCl) - 2243-1

$473.16

Conductivity Standard, 50,000 µS/cm (50 mS/cm) at 25°C (30,300 ppm TDS as NaCl) - 2248-5

$62.29

Conductivity Standard, 1000 µS/cm at 25°C (495 ppm TDS as NaCl) - 2243-32