Hach DR 900 User Manual

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Contents

Hach DR 900 User Manual Manual pdf 3 page image

Table of contentsSpecifications on page 3 Standard operation on page 10General information on page 3 Advanced operation on page 12Installation on page 6 Maintenance on page 15User interface and navigationon page 8Troubleshooting on page 16Startup on page 9 Replacement parts and accessorieson page 16SpecificationsSpecifications are subject to change without notice.Specification DetailsMeasurement mode Transmittance (%), Absorbance (Abs) andConcentration (Conc)Dimensions (W x D x H) 23.6 x 8.7 x 4.7 cm (9.3 x 3.4 x 1.9 in.)Enclosure rating IP67Weight 0.6 kg (1.3 Ib)Power requirements (internal) AA Alkaline batteries (4x)Battery life 6 months (typical) at 5 readings a day/5 dayweek without the backlightInterface USB miniOperating temperature 0 to 50 °C (32 to 122 °F), maximum 90% relativehumidity non-condensingStorage temperature –30 to 60 °C (–22 to 140 °F), maximum 90%relative humidity non-condensingLamp source Light emitting diode (LED)Detector Silicon photodiodeSpecification DetailsWavelength range 420, 520, 560, 610 nmPhotometric measuring range 0–2 AbsWavelength accuracy ±1 nmPhotometric accuracy ±0.005 Abs at 1.0 Abs nominalPhotometric linearity ±0.002 Abs (0–1 Abs)Wavelength selection Automatic, based on the method selectionPhotometric repeatability ±0.002 Abs (0–1 Abs)Data readout Graphical display, 240 x 160 pixel (backlit)Sample cells 16 mm, 1 cm/10 mL, 1-inch (25 mm) roundProtection class Class IIICertifications CE certifiedWarranty 1 yearGeneral informationIn no event will the manufacturer be liable for direct, indirect, special,incidental or consequential damages resulting from any defect oromission in this manual. The manufacturer reserves the right to makechanges in this manual and the products it describes at any time, withoutnotice or obligation. Revised editions are found on the manufacturer’swebsite.Safety informationN O T I C EThe manufacturer is not responsible for any damages due to misapplication ormisuse of this product including, without limitation, direct, incidental andconsequential damages, and disclaims such damages to the full extent permittedunder applicable law. The user is solely responsible to identify critical applicationrisks and install appropriate mechanisms to protect processes during a possibleequipment malfunction.English 3

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