$152.48

Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C 5400 ppm TDS as NaCl - 2246-1

$92.67

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-32

$66.85

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

$149.74

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

$156.46

Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-1

$63.51

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

$62.29

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