Bids Are Invited For Acquisition Of Portable Laboratory Equipment Intended For The Analysis Of Water Quality, Specifically Turbidity And Residual Chlorine, Used In Health And Environmental Surveillance Activities And Water Control For Human Consumption

Microprocessed Digital Turbidimeter For Turbidity Analysis In The Field Equipment: Microprocessed Digital Turbidimeter Application: Turbidity Analysis In The Field Or Bench Purpose: Determination Of The Turbidity Of Samples Of Drinking Water, Effluents And Other Aqueous Solutions, In Accordance With Standards Established By National And International Reference Methods (Abnt/Nbr, Apha, Usepa). Model: Direct Reading Microprocessed Digital Turbidimeter. Measuring Range: 0 To 1000 Ntu (Nephelometric Turbidity Units) Or Greater. Resolution: 0.01 Ntu In Lower Ranges. Accuracy: ±2% Of Indicated Value Or ±0.01 Ntu (Whichever Is Greater). Repeatability: ±1% Or Better. Optical System: Based On An Infrared Light Beam (Ir Led) Of 850 Nm Or Similar, With Photodiode Detection, Reducing Color Interference. Automatic Compensation For Variations In Light Intensity, Ensuring Greater Stability And Reliability Of Readings. Calibration: Automatic Or Semi-Automatic, With Traceable Turbidity Standards (Formazine Or Stabilized Polymer). Operation Interface: Easy-To-Read Liquid Crystal Digital Display (Lcd), With Unit (Ntu), Status And Calibration Indication. Internal Memory: Capacity For Storing Results And Previous Calibrations. Power Source: Internal Rechargeable Battery Or Powered By 110/220V Adapter (Automatic Bivolt). Response Time: Less Than 6 Seconds. Operating Temperature: 0 To 50°C. Use: Suitable For Both Field And Laboratory Bench Analysis. Cabinet: Compact, Portable And Resistant, Made Of Highly Durable Material, Suitable For Use In A Field Environment. Accessories Included: •Sample Cells (At Least 3 Units). •Calibration Standards Of 0, 20, 100 And 800 Ntu. •Cleaning Brush. •Power/Charging Cord. •User Manual In Portuguese. •Traceable Calibration Certificate •Similar Or Equal: Ap 2000 Wt – Polycontrol., Microprocessed Colorimeter, Digital, Portable, For Free, Total And Combined Residual Chlorine Analysis In The Field Or Bench, With Direct Reading Application: Determination Of Free And Total Residual Chlorine In Drinking Water Samples, Wells, Supply Systems And Effluents. Purpose: Quick And Accurate Measurement Of Free And Total Chlorine Concentration In The Field Or Laboratory, According To Standardized Colorimetric Methods (Dpd). Minimum Technical Characteristics: Measuring Range: 0.00 To 5.00 Mg/L (Ppm) Chlorine. Resolution: 0.01 Mg/L. Accuracy: ±2% Of Reading Or ±0.02 Mg/L (Whichever Is Greater). Repeatability: ±1% Or Better. Analysis Method: Colorimetric Using Dpd Reagent (N, N-Diethyl-P-Phenylenediamine), According To Methods Recommended By Apha, Awwa And Usepa. Optical System: High Stability Led And Precision Photodetector, With Automatic Light Intensity Variation Compensation. Display: Digital Lcd Type (Liquid Crystal), With Direct Indication Of Concentration In Mg/L. Response Time: Less Than 5 Seconds. Calibration: Performed Automatically By The Equipment Or With Standards Provided By The Manufacturer. Memory: Stores Recent Results And Previous Calibrations. Power Source: Internal Rechargeable Battery Or Alkaline Batteries, With Autonomy For Various Field Measurements. Automatic Shutdown: After Period Of Inactivity To Save Energy. Operating Temperature: 0 To 50°C. Construction: Portable, Light And Resistant, Suitable For Use In The Field And Bench, With Cabinet In Thermoplastic Material