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Product Support Pages
TU5 Turbidimeter Resource Library
The TU5 Resource Library provides an introduction to the TU5 Series Turbidimeters from Hach.
DR300 Resource Library
Single Parameter go-anywhere portable photometer, battery operation for a maximum of 5000 tests, waterproof instrument IP67.
FL1500 Resource Library
The FL1500 is the most agile Hach flow monitoring solution for measuring and logging open channel flow.
CL17sc Resource Library
The industry standard Hach CL17sc Colorimetric Chlorine Analyzer uses colorimetric DPD chemistry to continuously monitor water for free or total chlorine.
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Most Popular Answers
- What is the purpose of dilution and instructions for performing a dilution?
- What is the calculation for converting from mg/L to ppm?
- Microbiology Guide: Most Probable Number (MPN) Method
- What is the difference between the turbidity units NTU, FNU, FTU, and FAU? What is a JTU?
- How can a Certificate of Analysis (CoA) for chemicals be obtained?
- What is the difference between a reagent blank and a sample blank?
- How can I convert between NH4 (ammonium) to NH3 (ammonia)?
- What is the difference between a colorimeter and a spectrophotometer?
- How can mV results for pH be used for troubleshooting?
- What do the units NH3-N mean?
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Most Recent Answers
- Can TL23 series turbidimeters be used to measure color?
- What is the shelf life of the Test Filter Set for the DR2800, DR3800, DR3900, DR5000 and DR6000 Spectrophotometers?
- The LDO101xx and LBOD101xx manual states to use reagent water to calibrate. What is the source of this reagent water?
- How are the Glass Fiber Filters, Preweighed for Standard Methods TSS Procedure prepared?
- If a regulator requires that a calibration be performed on a colorimeter or spectrophotometer is this a good idea?
- On the 2100Q can the verification standard be changed to a different value?
- Is the Nalgene Laboratory Pen ink sufficient for autoclaving?
- Is there a way to check the temperature on a DRB 200 block?
- What is the purpose of the Heterotrophic Plate Count (HPC) pour plate method 8241?
- What is the purpose of the DR/Check Absorbance Standard Kit (Set of 4)?