NIT No. 07(23-24)/CWA(WnS)II

pH electrode (Make- Thermo Scientific) Material : Epoxy body solid state pH range : 0-14 pH precision : 0.02 Temp. Range : 0-90 °C Temp. Accuracy : ± 2.0 °C Internal Reference : Ag/AgCl Junction : Glass fiber Fill Solution : 4 M KCl w/ Ag/AgCl Dimension : L - 120 mm D - 12 mm Connector Type : BNC – Mini DIN (Star) BNC - 8 Pin (A+ Series)

pH Standards (Make- Thermo Scientific) a). pH 4.01 Buffer, Colour Coded Red, NIST Traceable 475ml bottle

b). pH 7.00 Buffer, Colour Coded Yellow, NIST Traceable 475ml bottle

C). pH 10.01 Buffer, Colour Coded Blue, NIST Traceable 475ml bottle

Conductivity Meter Electrode (Make- Thermo Scientific) Measurement Range - 1µS/cm to 200mS/cm Approx. Cell Constant – 0.475cm-1 Cell Material – Epoxy/Graphite Dimensions – Dia 15mm Length – 120mm Max/Min Immersion – 35/NA mm

Conductivity/TDS Meter Standards (Make- Thermo Scientific) a). 1413 µS/cm, 60 mL

b). 12.9 mS/cm, 60 mL

Turbidity Standards (Make- Thermo Scientific) EPA-approved and ISO accepted polymer-based primary turbidity standard a). 60 mL Bottle of 0.02 NTU b). 60 mL Bottle of 20.0 NTU c). 60 mL Bottle of 100 NTU d). 60 mL Bottle of 800 NTU (The above std. would be use for a calibration check at any time, verifying that your readings are accurate).

Cuvette /Vials of Turbidity Meter (Thermo Scientific)

Cuvette /Vials for Chlorine Photometer (Lovibond)

Beyond