$701.19

Conductivity Standard, 200 µS/cm at 25°C (95 ppm TDS as NaCl) - 2238-5

$665.78

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

$668.50

Conductivity Standard, 500 µS/cm at 25°C (240 ppm TDS as NaCl) - 2241-5

$589.29

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

$473.16

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

$152.64

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

$63.51

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