Tender For Field Water Quality Meter;, Surathkal-Karnataka

Tender For Field Water Quality Meter; Device specification Temperature Compensation Automatic from -5 to 55 °C (23 to 131 °F) Logging Memory Around 50,000 records (continuous logging or log-ondemand of all parameters) Logging Interval 1 second to 4 hours PC Interface USB with software Waterproof Protection IP67 Environment/climate 0 to 50 °C (32 to 122 °F); RH 100 % Battery Type rechargeable batteries, or alkaline Dimensions/Weight Less than 1 kg GPS 10 to 12 channel receiver with 10 m (30 ft) accuracy Parameter Specification Name Detail pH Range ~ 0.00 to 14.00 pH pH Resolution 0.01 pH pH Accuracy @ 25°C / 77°F ± 0.02 pH pH Calibration Automatic at 1, 2 or 3 points with automatic recognition of 5 standard buffers mV Range ± 600.0 mV mV Resolution 0.1 mV mV Accuracy ± 0.5 mV ORP Range ± 2000.0 mV ORP Resolution 0.1 mV ORP Accuracy (@25°C/77°F) ± 1.0 mV ORP Calibration Automatic at 1 custom point (relative mV) Temperature Range Approximately -5.00 to 55.00 °C, 23.00 to 131.00 °F, 268.15 to 328.15 K Temperature Resolution 0.01 °C, 0.01 °F, 0.01 K, Temperature Accuracy @ 25°C / 77°F ± 0.15 °C, ± 0.27 °F, ± 0.15 K Temperature Calibration Automatic at 1 custom point EC Range 0 to 200 mS/cm (absolute EC up to 400 mS/cm) EC Accuracy @25°C/77°F ± 1% of reading or ± 1 µS/cm whichever is greater EC Calibration Automatic 1 point, with 6 standard solutions or custom point TDS Range 0 to 400000 ppm (mg/L); (the maximum value depends on the TDS factor) TDS Accuracy @ 25°C / 77°F ± 1% of reading or ± 1 ppm (mg/L), whichever is greater TDS Calibration Based on conductivity or salinity calibration DO Range 0.0 to 500.0%; 0.00 to 50.00 ppm (mg/L) DO Resolution 0.1%; 0.01 ppm (mg/L) DO Accuracy (@25°C/77°F) 0.0 to 300.0% saturation: ±1.5% of reading or ± 1.0% saturation whichever is greater, 0.00 to 30.00 ppm (mg/L): ± 1.5% of reading or ± 0.10 ppm (mg/L), whichever is greater, DO Calibration Automatic 1 or 2 points at 0, 100% or 1 custom point SALINITY Range 0.00 to 70.00 PSU Resolution 0.01 PSU Accuracy ±2% of reading or ±0.01 PSU whichever is greater TURBIDITY Range 0.0 to 99.9 FNU 100 to 1000 FNU ISE Ammonium-Nitrogen Range 0.02 to 200.0 ppm Am (as NH4 +-N) Chloride Range 0.6 to 200.0 ppm Cl Nitrate-Nitrogen Range 0.62 to 200.0 ppm N

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