Procurement of Instruments

Indigenous pH Electrode Parameter: pH, Range: 0 to 13 pH, Temperature Range: 0 to 80 °C Liquid Junction Type: Porous HDPE pin, Internal Reference Type: Ag/AgCl Reference Junction: Single, Sealed/Refillable Sealed Refilling Reference Electrolyte – Cable Length: 1 m Connector: BNC Description: General purpose plastic-body pH electrode Used With: All pH meters with BNC input connector

Pocket multiparameter (pH, EC, TDS, Salinity, Temperature) tester Product features: • 5-in-1 Multiparameter Measurement - One tester measures five parameters (pH, Conductivity, TDS, Salinity and Temperature) • Full pH Range - Measurement at up to 2-decimal places • Multi-Range Capability - Low, medium and high Conductivity/TDS ranges – measures pure water • Advanced Salinity Measurement - Multi-range measurements of up to 10.00 ppt or 1.00% • Multiple Calibration Points - Up to 5-point pH calibration and 3-point Conductivity/TDS/Salinity calibration • Adjustable Parameters - TDS factor (0.40 to 1.00) and Temperature Coefficient Feature (0.0 to 10.0%) • Fast Response - Temperature sensor in dome-shaped casing for faster ATC response • Temperature Compensation Options - ATC/MTC option available • User-Friendly Interface - Scroll-menu with four buttons control for stress-free navigation • Long-Lasting Design - No tools required to replace sensor • Easy Parameter Toggle - One-press button to switch between parameters • Waterproof Construction - Certified IP67 Waterproof – Lightweight tester even floats Specification: pH Range: 0.00 to 14.00 pH, pH Resolution: 0.01 pH, pH Accuracy: ±0.01 pH pH Calibration Points: Up to 5 (Auto),pH Buffer Options: USA, NIST Conductivity Range: 0 to 199.9 µS/cm, 200 to 1999 µS/cm, 2.00 to 20.00 mS/cm Conductivity Resolution: 0.1 µS/cm / 1 µS/cm / 0.01 mS/cm Conductivity Accuracy: ±1% Full Scale, Conductivity Calibration: 3 Auto, 3 Manual Normalization Temperature: 25°C, Temperature Coefficient: 0.0 to 10.0%/°C Auto-Ranging: Yes, TDS Range: 0.0 to 99.9 ppm, 100 to 999 ppm, 1.00 to 10.00 ppt TDS Resolution: 0.1 ppm / 1 ppm / 0.01 ppt, TDS Accuracy: 1% Full Scale TDS Calibration Points: Up to 3 Points (Manual), TDS Factor: 0.40 to 1.00 Salinity Range: 0.0 to 99.9 ppm, 100 to 999 ppm, 1.00 to 10.00 ppt, 0.0 to 1.00% Salinity Resolution: 0.1 ppm / 1 ppm / 0.01 ppt / 0.01% Salinity Accuracy: 1 % Full Scale, Salinity Calibration Points: Up to 3 Points (Manual) Temperature Range: 0.0 to 50.0°C / 32.0 to 120.0°F, Temperature Resolution: 0.1°C/°F Temperature Accuracy: ±0.5°C / ±0.9°F, Temperature Compensation: ATC / MTC Non-Volatile Memory: Yes, Auto-Off: 8.5 mins after last key pressed (can be disabled) Display: Dual-display LCD (2.1 x 2.7cm), Power: 4 X 1.5V “A76” Micro alkaline batteries Battery Life: > 150 hours,

Add GST @18% on above items 1.00 to 3.00

Add CESS @1% on above item 1.00 to 4.00