Chemical Quantities

¹ pH Meter

4 pH

7 pH

10 pH

0.01 pH

0.012 pH

0.015 pH

pH solutions

¹ Conductivity Meter

84 µS/cm

1 413 µS/cm

12 880 µS/cm

0.8 µS/cm

16 µS/cm

100 µS/cm

Conductivity solutions

¹ Refractometer

5 %Brix

10 %Brix

20 %Brix

30 %Brix

50 %Brix

60 %Brix

0.03 %Brix

0.03 %Brix

0.04 %Brix

0.04 %Brix

0.05 %Brix

0.06 %Brix

Source Solution, Standard Refractometer

¹ Turbidity Meter

10 NTU

100 NTU

500 NTU

1 000 NTU

0.085 NTU

0.85 NTU

5 NTU

10 NTU

Turbidity Solution

¹ TDS Meter

10 mg/l

100 mg/l

500 mg/l

1 000 mg/l

2 000 mg/l

0.063 mg/l

0.62 mg/l

3.1 mg/l

6.2 mg/l

12 mg/l

TDS Buffer Solution

DO Meter

5.9 mg/l

31.1 mg/l

0.2 mg/l

0.2 mg/l

DO Buffer Solution

Gas Detector/Analyzer

100 parts in 10⁶ CO

18% O₂

50 %LEL CH₄

25 parts in 10⁶ H₂S

2.2 parts in 10⁶ CO

0.38 % O₂

1.3 %LEL

1.5 parts in 10⁶ H₂S

Standard Gas