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Examples of Water Quality Monitoring Equipment Parameter Item Features Source Price Estimate Water Temperature Data Logger Accuracy +/- 0.5 C or Better. Waterproof Sealed Unit. Delayed Start-up. 8K Memory. Vemco “Minilog-TR” (902) 852-3047 or Onset “Optic StowAway” (508) 759-9500 $135 Water Temperature NIST Traceable Thermometer Used to check accuracy of data loggers and for field measurements Accuracy +/- 0.2 C Digital Readout. For use with YSI series 400 thermister probes. VWR. (800) 932-5000 Meter cat. no. 61220-670 Probe cat. no. 61248-000 $325 $50 Dissolved Oxygen Winkler Titration Kit Accuracy +/- 0.3 mg/l Liquid or powdered reagents. 300 ml sample bottle. Titrate equivalent to 200 ml of sample with burette or “Digital Titrator”. Reagents are available from Hach Co. (800) 227-4224 Hach Digital Titrator Oxygen test kit. Model OX-DT Reagents ($6 - 20) 1071-66 manganous sulfate 1072-66 alkaline azide 20762-66 sulfamic acid 22675-01 sodium thiosulfate 349-02 starch $43.50 (50 tests) $190.75 pH pH Meter Instrument + Probe accuracy of +/- 0.2 Digital Readout to 0.01 SU. Two-point Calibration. Automatic Temperature Compensation (ATC). VWR (800) 932-5000 or Fisher (800) 766-7000 Example: Orion 210A meters with accessory ATC probe. $450 pH pH Electrode Designed for use in low ionic strength water. Research Quality. VWR.(800) 932-5000 or Fisher (800) 766-7000 Orion Ross Electrode Model 81-02 or Model 815600 Electrode storage solution: Orion 910060: $45 pH buffers, 7 and 10, box of 6: $75 $290 pH Ionic Strength Adjuster Used to increase the ionic strength of samples without altering the pH. Shortens probe response time and stabilizes meter reading. Use 1ml per 100 ml sample. VWR (800) 932-5000 or Fisher (800) 766-7000 Orion pHisa (Orion 700003) $95 Examples of Water Quality Monitoring Equipment Parameter Item Features Source Price Estimate Conductivity Meter Accuracy +/- 0.5% full scale. Automatic Temperature Compensation. Digital Readout. VWR. (800) 932-5000 or Fisher (800) 766-7000 Yellow Springs Instruments Model 30. Primary Standard 500 mL - $20 $625 Turbidity Meter Accuracy +/- 5%. Portable. Incandescent Lamp. Four-Point Calibration. Auto-range. Digital Readout. Hach Co. (800) 227-4224 Model 2100P $775 Turbidity Standards Stabilized Formazin Primary Standards for quarterly instrument calibration. Hach Co. (800) 227-4224 Sealed Ampule Set for meter 2100P. Cat. no. 26594-05 $75 Flow Meter Working velocity range <0.2 ft/sec. Advanced Measurement and Controls (425) 489-9887 model: Price AA and Pygmy meters $550 - 750 Flow Top-setting Rod Five-foot rod suitable for wading. Advanced Measurement and Controls (425) 489-9887 Accessories: Headphones $65 Beeper $110 Stop watch $55 $355 Macroinvertebrate D-frame Kick Net Handle Wards Biology (800) 962-2660 $25 Macroinvertebrate D-frame Net 500 micron sieve opening. Net made to fit D-frame. Research Nets (206) 821-7345 $35 E. coli Bacteria Colilert QuantiTray 2000 Automated sample dilution. Most Probable Number method. Simple process. Prepared, pre- packaged reagents. Idexx Laboratories (800) 321-0207 Accessories: 200 Colilert reagent WP200 - $600 Colilert-18 - $700 200 Vessels - $90 Comparator WP104 - $6 100 Quantitray 2000 trays - $110 $3,500
