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Hach lange dr 1900, User Manual

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Figure 6  Keypad description

1   

BACKLIGHT: set the display illumination to on or off

4   

RIGHT selection key (contextual): read sample,
selects or confirms options, opens sub-menus

2   

SETTINGS: select program or setup options, data
management

5   

Navigation keys UP, DOWN, RIGHT, LEFT: scroll
through menus, enter numbers and letters

3   

LEFT selection key (contextual): access for options,
cancels or exits the current menu screen to the
previous one

6   

HOME: go to the main reading screen

Display description

The reading screen shows the selected mode, wavelength, unit, date and time, operator ID and
sample ID. Refer to 

Figure 7

.

English

   

9

Summary of Contents for lange dr 1900

Page 1: ...DOC022 53 80343 DR 1900 01 2014 Edition 1 User Manual ...

Page 2: ......

Page 3: ...Standard operation 11 Program list 11 Select a stored program or LCK or TNTplus method 11 Select basic program options 12 Select advanced program options 12 Select the reading mode 12 Select Single Wavelength options 13 Select Multi Wavelength options 13 Select Time Course options 13 Use an operator ID 13 Use a sample ID 14 Complete data management 14 Advanced operation 14 Select a favorite or a u...

Page 4: ...ment verification 18 Update the firmware 18 Maintenance 18 Clean the instrument 18 Clean the cell compartment 18 Clean the sample cells 18 Replace the batteries 19 Troubleshooting 19 Replacement parts and accessories 19 Table of Contents 2 ...

Page 5: ... 30 to140 F maximum 80 relative humidity non condensing Lamp source Xenon flash Wavelength range 340 800 nm Photometric measuring range 3 0 Abs wavelength range 340 800 nm Wavelength accuracy 2 nm wavelength range 340 800 nm Spectral bandwidth 5 nm Photometric accuracy 3 mAbs at 0 0 to 0 5 Abs 1 at 0 50 to 2 0 Abs Photometric linearity 0 5 to 2 Abs 1 at 2 Abs with neutral glass at 546 nm Wavelengt...

Page 6: ...e or install this equipment in any manner other than that specified in this manual Use of hazard information D A N G E R Indicates a potentially or imminently hazardous situation which if not avoided will result in death or serious injury W A R N I N G Indicates a potentially or imminently hazardous situation which if not avoided could result in death or serious injury C A U T I O N Indicates a po...

Page 7: ... equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their expense The following techniques can be u...

Page 8: ... are missing or damaged contact the instrument supplier or a sales representative immediately Figure 2 Product components 1 DR 1900 4 Protective cover 2 Sample cell adapters 4x 5 1 inch matched pair of rectangular sample cells 10 mL 3 AA alkaline batteries 4x 6 Dust cover Installation C A U T I O N Multiple hazards Only qualified personnel must conduct the tasks described in this section of the do...

Page 9: ...ent Make sure that the batteries are installed in the correct orientation Refer to Figure 3 for the battery installation Figure 3 Battery installation Install the sample cell adapters The instrument has one cell compartment which uses adapters for different sample cell types Refer to Table 1 The arrow on top of the adapter and the arrow on the cell compartment show the direction of the cell orient...

Page 10: ... operates around bright lights install the protective cover when the sample cell cover cannot be closed Refer to Figure 5 Figure 5 Protective cover installation User interface and navigation Keypad description Refer to Figure 6 for the keypad description and navigation information 8 English ...

Page 11: ...p options data management 5 Navigation keys UP DOWN RIGHT LEFT scroll through menus enter numbers and letters 3 LEFT selection key contextual access for options cancels or exits the current menu screen to the previous one 6 HOME go to the main reading screen Display description The reading screen shows the selected mode wavelength unit date and time operator ID and sample ID Refer to Figure 7 Engl...

Page 12: ...arrows to highlight different options Push the RIGHT selection key to select an option Enter an option value with the navigation keys Push the navigation keys UP DOWN RIGHT and LEFT arrows to enter or change a value Push the RIGHT arrow to advance to the next space Push the RIGHT selection key under Done to accept the value Push the LEFT selection key to exit the current menu screen to the previou...

Page 13: ... can be developed and can be saved as a user program Existing stored methods can be stored and modified as user programs to suit different requirements Favorites Methods which are often used can be saved in the favorite list Single Wavelength The single wavelength readings are taken at a specified wavelength Multi Wavelength In the Multi Wavelength mode absorbance values can be measured at up to f...

Page 14: ...s to specify more parameters Refer to Select advanced program options on page 12 Back Go back to the previous menu Select advanced program options Every program has various additional advanced options from which to select 1 Push Options to access Options Advanced Options 2 Use the advanced options to specify more parameters Option Description Chemical Form Select the alternate chemical form and th...

Page 15: ...e calculation of the multi wavelength reading The formula specifies the wavelength and the coefficients Factors Select the multiplication factors for converting absorbance values into concentration values Select Time Course options 1 Push SETTINGS Photometer Functions Time Course Options 2 Select the applicable options Option Description Total Minutes Enter the total time in minutes for the Time C...

Page 16: ...ata point is erased when a new data point is added The entire data log can be erased to remove data that has already been sent to a printer or USB storage device 1 Push SETTINGS Data Management 2 Select an option Option Description Data Recall Show the results the date and time the sample ID the operator ID and the selected program Send Data Send data to the USB module Refer to the module document...

Page 17: ...nter the number of samples that need to be taken and a workflow name Note The default workflow tab names are sequential and include the workflow name 4 Select the workflow 5 Use the navigation keys LEFT and RIGHT arrows to toggle between the different tabs 6 Push Zero or Read to start the first reading Toggle to each sample in the workflow to make the remaining measurements To change the default w...

Page 18: ...tions for an audible sound when a key is pushed a reading is complete or before the instrument sets the power to off automatically 1 Push SETTINGS Setup Display Sound Display Options 2 Select an option Option Description Contrast Adjust the display contrast The lightest setting is 0 and the darkest setting is 9 Default 4 Auto Shutoff To maximize battery life set a time period after which the instr...

Page 19: ...cally when a LCK or TNTplus method is selected An Air reading key shows so that zero can be pushed when necessary Default Off Optical checks Do a wavelength check The wavelength check measures the wavelength accuracy at 807 nm Use a test filter Neodym or BG20 2 to complete this test 1 Push SETTINGS Setup System Checks Optical Checks Wavelength Check 2 Obey the screen prompts to complete the proced...

Page 20: ...omplete the procedure Test Result Shows the last recorded test results Update the firmware Refer to the module documentation for further information Maintenance W A R N I N G Multiple hazards Only qualified personnel must conduct the tasks described in this section of the document Clean the instrument Clean the exterior of the instrument with a moist cloth and a mild soap solution and then wipe th...

Page 21: ... Absorbance 3 5 The measured absorbance is more than 3 5 Dilute the sample and repeat the reading Over range The concentration is more than the upper limit of the current method Dilute the sample and repeat the reading Under range The concentration is less than the lower limit of the current method Examine the sample Reading Failed There is an electronic or optical defect Contact technical support...

Page 22: ... 00002 Backpack small nylon textile 2984900 Backpack large nylon textile 2985000 Small backpack with cases 2990700 Large backpack with cases 2990800 Verification test kit LZV537 SpecCheck secondary gel standards set DPD chlorine low range 2635300 SpecCheck secondary gel standards set DPD chlorine mid range 2980500 SpecCheck secondary standards kit DPD chlorine high range 2893300 SpecCheck gel seco...

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Page 24: ...ng the details below UK Office Keison Products P O Box 2124 Chelmsford Essex CM1 3UP England Tel 44 0 330 088 0560 Fax 44 0 1245 808399 Email sales keison co uk Please note Product designs and specifications are subject to change without notice The user is responsible for determining the suitability of this product ...

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