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Spectrophotomètre de laboratoire
modèle DR 3900™


The Hach DR 3900 Benchtop Spectrophotometer allows for easy comparison of lab and process measurements with LINK2SC Software. It also has an intuitive color touch screen user interface and offers on-screen procedures for popular Hach programs.

Features
High-Speed Wavelength Scanning
 The DR 3900 Benchtop spectrophotometer features full-range wavelength scanning from 320-1100 nm. Use this feature to develop custom methods or maintain consistency of colored products.
Large Color Touch Screen Interface
 The color display allows instant identification of alerts and easy comparison of overlayed graphical data. The touch screen interface is intuitive to use, minimizing the need to reference the user manual.
Easily Compare Lab and Process Measurement Data
 Optional LINK2SC® Software allows data from an sc1000 digital controller to be displayed with laboratory readings. Irregularities can be quickly identified and investigated, preventing fines or unnecessary addition of excess treatment chemicals.
On-Screen Help Guide
 Popular Hach and TNTplus working procedures are available with just a touch of the screen. Viewing step-bystep instructions from within the selected program reduces errors and eliminates the need for printed procedures.
More than 240 Analytical Methods and Chemistries
 The Hach DR 3900 Benchtop Spectrophotometer can be used for more than 240 analytical methods. (Test parameters are listed on page 3.) These methods include more than 30 TNTplus™ reagent vial tests that provide innovative barcode labeling for reliable, automatic method detection. All of the chemistries and supplies needed for these tests are available from Hach.
Use a USB Memory Stick to Update the Instrument or Transfer Data
 Easily update DR 3900 spectrophotometer systems and transfer measurement data with a USB memory stick. Use it to stay current as Hach releases new test methods and chemistries. Two USB ports on the instrument allow for a computer to be connected in one port, when used with Hach DataTrans™ Software, while the other is used to connect the spectrophotometer to a memory device or hand-held bar code scanner.
TNTplus Reagent Vials Designed for the DR 3900 Spectrophotometer
 Hach has developed TNTplus reagent vials for selected analytical methods that provide the following features when used with the Hach DR 3900 Benchtop Spectrophotometer:
• Automatic method detection—the spectrophotometer automatically reads the bar code, identifies the appropriate method, and takes the measurement to help eliminate human error, saving time and money.
• No reagent blank is necessary—high quality vials, tight regent production controls, 10-absorbance readings averaged for results determination, instrument calibration verification, and negligible instrument drift, all combine to eliminate the need to run reagent blanks. The option of running blanks is available, if required.
• Built-in accuracy—while rotating the vial, the spectrophotometer takes 10 absorbance measurements in less than 5 seconds. The average value is used to calculate the results.

Specifications
Operating Mode
 Transmittance (%), Absorbance and Concentration
Source Lamp
 Tungsten
Pre-Installed Programs
 More than 240
Available User Programs
 50
Data Storage
 1000 points
Export Capability
 .csv (comma-separated values) file format
Wavelength Range
 320 to 1100 nm
Wavelength Accuracy
 ±1.5 nm (wavelength range 340 to 900 nm)
Wavelength Resolution
 1 nm
Spectral Bandwidth
 5 nm
Wavelength Calibration
 Automatic
 Wavelength Selection
 Automatic: based on selected program
Automatic: based on barcode printed
on TNTplus™ reagent vials
Manual: from the touch screen in all modes except stored programs
Enclosure Rating
 IP 32
Operating Temperature
 10 to 40°C (50 to 104°F)
Operating Humidity
 80% relative humidity, non-condensing,
maximum
Storage Requirements
 Temperature: -40 to 60°C (-40 to 140°F)
Humidity: 80% relative humidity, non-condensing, maximum
Power Requirements
 External power supply: 100-240V/
50-60Hz, automatic changeover
Interface
 USB 1.1 (10 ft. (3 m) cable, maximum)
User Interface Languages
 English, French, Spanish, Portuguese, Chinese, Japanese, Korean (please contact your Hach representative for availability of additional languages)
Connections
 1 x USB type A
1 x USB type B		 Sample Cell Compatibility
 1-in. square
1-in. round
1 cm square
1 x 5 cm
13 mm round
16 mm round
Multipath 1-in. / 1 cm
Pour-Thru™ with 1-in. / 1 cm path length
AccuVac® Ampules
Accessories
 Included:
 – 1-in. square matched glass sample cells
– Cell adapters for 1-in. round/ AccuVac Ampules, 1 x 1 cm cells,
and multi-path 1-in./1 cm round cells
– Universal power supply, 100 to 240V, 50-60Hz, with plug adapters for EU, GB, US, China
– Adapter box for storing adapters
– Dust cover
– Help Guide Software
Optional:
 – Hach Pour-Thru Cell Kit
– USB hand-held barcode scanner
– External USB keyboard
– DataTrans™ Software
Dimensions
 368 x 144 x 359 mm (14.5 x 5.7 x 14.1-in.) width, height, depth
Weight
 6.4 kg (14.11 lb)

Engineering Specifications
  1. The spectrophotometer instrument shall be a multiwavelength, UV-Visible, reference beam spectrophotometer designed for laboratory analysis of multiple analytes.
  2. The instrument shall be capable of measuring the following substances or characteristics: alachlor; aluminum; arsenic; atrazine; barium; benzotriazole; boron; bromine; cadmium; chloramine (mono); chloride; chlorine dioxide; chlorine; chromium; cobalt; color; copper; cyanide; fluoride; formaldehyde; hardness; hydrazine; iodine; iron; lead; manganese; mercury; molybdenum; nickel; nitrogen (as ammonia, nitrate, nitrite, total nitrogen, total Kjeldahl nitrogen); dissolved oxygen; chemical oxygen demand; oxygen scavengers; ozone; pcb (polychlorinated biphenyls); phenols; phosphonates; phosphorus; potassium; quaternary ammonium compounds; selenium; silica; silver; sulfate; sulfide; surfactants; suspended solids; tannin and lignin; total organic carbon; tolyltriazole; total petroleum hydrocarbons (TPH); trihalomethanes (THM); toxicity; volatile acids; and zinc.
  3. The following tests shall conform to USEPA-compliant methods: arsenic; chlorine dioxide; chlorine, free; chlorine, total; chromium, hexavalent; copper; fluoride; iron (total); manganese; nickel; nitrogen (ammonia); nitrogen (nitrite); chemical oxygen demand; phenols; phosphorus (reactive); phosphorus (total); sulfate; sulfide; and zinc.
  4. The wavelength range of the instrument shall be 320 to 1100 nm with accuracy of ±1.5 nm from 340 to 900 nm, resolution of 1 nm, and maximum bandwidth of 5 nm.
  5. The instrument, depending on the test selection, shall automatically select the wavelength.
  6. Readout modes shall include transmittance %, absorbance, and concentration.
  7. The interface of the instrument shall be graphical with color touch screen.
  8. The instrument shall provide graphical display and be capable of printing test results.
  9. The instrument shall be equipped with storage capacity for 1000 data points (date, time, results, sample ID, user ID) and 50 user-defined calibrations.
  10. Information stored in the instrument shall be capable of being downloaded in standard report format.
  11. The instrument shall be capable of accepting 1-in. (25-mm) round cells/vials, 1-in. square cells, 13 mm round vials, 16 mm round vials, 1 x 5 cm cells, 1 cm square cells, and Pour-Thru cells with 1-in. and 1 cm path.
  12. Power requirement shall be line voltage.
  13. The instrument shall be warranted for one full year against defects in materials and workmanship.

Available Tests
The following table lists available tests and overall ranges for the Hach DR 3900 Benchtop Spectrophotometer. The ranges may represent more than one available test for the instrument. Consult your Hach representative, Customer Service, the Hach Master Catalog (Lit #2550), or the Hach web site at www.hach.com for complete details of all available tests for this instrument.

Ordering Information
DR3900-01 DR 3900 Benchtop Spectrophotometer; includes printed instrument manual, procedure manual on CD-ROM, universal power supply with exchangeable plug adapters for EU, GB, US, and China, adapters A, B, and C with adapter box, dust cover, 1-in. square matched glass sample cells, and Help Guide Software
Replacement Parts
LZV610 Power Supply; 100 to 240V, 47 to 63 Hz, international (exchangeable plug adapters for EU, GB, US, and China)
LZV583 Adapter A; 1 cm square cells
LZV585 Adapter B; multi-path cell, 1-in./1 cm, or Pour-Thru cell
LZV584 Adapter C; 1-in. round cells
LZV565 Replacement Bulb; 6V, 10W
LZV743 Adapter Carrier for storing adapters
LZV646 Light Shield
HYH020 Dust Cover
LZV811 Help Guide Software
2495402 Sample Cell, 1-in. square, matched pair
Optional Accessories
5940400 Pour-Thru Cell Kit; includes multi-path Pour-Thru cell, funnel, stand, and tubing
LZV537 Certified Test Filter Set
LZV582 USB Keyboard
LZV566 USB Hand-held Barcode Scanner
LZY274 DataTrans™ Software
LZV774 LINK2SC® Software