$740.25

Conductivity Standard, 50 µS/cm at 25°C (23.6 ppm TDS as NaCl) - 2236.10-5

$92.67

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

$846.01

Conductivity Standard, 150 µS/cm at 25°C (71 ppm TDS as NaCl) - 2236.25-5

$154.36

Conductivity Standard, 46.7 µS/cm at 25°C (22.0 ppm TDS as NaCl) - 2236.07-1

$156.46

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

$589.29

Conductivity Standard, 1000 µS/cm at 25°C (495 ppm TDS as NaCl) - 2243-5

$665.78

Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C 5400 ppm TDS as NaCl - 2246-5