Hach DR 2800 User Manual Download Page 58

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Advanced Operations

6.2.1 Using the Standard Addition Option

From the Main Menu, select

STORED PROGRAMS

. Select the

required programs.

Press

START

Analyze a sample without added standard solution in
accordance with the instructions in the Procedures Manual.
When the measurement is complete, leave the sample cell in
the cell holder.

Press

OPTIONS

MORE

STANDARD ADDITION

An overview of the data of the standard addition procedure is
displayed.

Press

to accept the standard values for standard

concentration, sample volume (total) and standard addition
volume. Press

EDIT

to change any of these values.

Press the key of the value you want to change. Use the
alphanumeric keypad to change the value and press

OK>NEXT

Summary of Contents for DR 2800

Page 2: ...Visit us at www hach com...

Page 3: ...Diagnostics 19 Section 5 Standard Operations 21 5 1 Getting Started 21 5 1 1 Tips for Using the Touch Screen 21 5 1 2 Using the alphanumeric keypad 21 5 1 3 Main Menu 22 5 2 Instrument Setup Mode 23 5...

Page 4: ...de at Different Wavelengths 62 6 4 2 Performing a Measurement in the Multi Wavelength Mode 64 6 5 Time Course Mode 64 6 5 1 Time Course Setup Parameters 64 6 5 2 Time Course Scan Reading 66 6 5 3 Anal...

Page 5: ...t 340 nm with filter KV450 3 0 1 T at 340 nm with NaNO2 Data Storage 500 measured values result date time sample ID user ID User Programs 50 programs Physical and Environmental Specifications Dimensio...

Page 6: ...Visit us at www hach com...

Page 7: ...tion that requires special emphasis Note Information that supplements points in the main text 2 1 2 Precautionary Labels Read all labels and tags attached to the instrument Personal injury or damage t...

Page 8: ...gth 650 nm 2 2 Overview of Product Function The DR 2800 Spectrophotometer is a visible spectrum spectrophotometer with a wavelength range of 340 to 900 nm for laboratory and field analysis The instrum...

Page 9: ...tation 3 2 Operating Environment The following conditions are necessary to ensure correct instrument operation and accurate results Place the instrument firmly on an even surface Do not push any objec...

Page 10: ...ent and charging 3 5 Serial Printer and Personal Computer PC Connections The DR 2800 has two USB interfaces as a standard feature located on the back of the instrument Figure 2 The USB Type A interfac...

Page 11: ...11 Installation Figure 2 Interfaces 1 On Off Switch 4 Cover 2 USB Type B for PC to DR 2800 connection 5 USB Type A for printer USB stick or keyboard 3 External Power Supply Socket...

Page 12: ...round cells Note Cell Compartment 1 contains a barcode reader for TNTplus vials Cell Compartment 2 1 inch square or 50 mm rectangular cells can be inserted directly into the cell compartment without u...

Page 13: ...he orientation tab fits the groove in the compartment opening The cell type imprint should be legible on the adapter Figure 5 Note The arrow on top of the adapter indicates the direction of the light...

Page 14: ...14 Installation Figure 5 Installing a Cell Adapter...

Page 15: ...or TNTplus vials The DR 2800 is shipped with the Light Shield installed Remove the Light Shield before using Cell Compartment 2 The Light Shield can be stored in the Protective Cover Figure 8 on page...

Page 16: ...Figure 9 The Protective Cover can also be used in rainy weather to prevent water from entering the cell compartments The enclosure rating of the instrument increases from IP41 to IP42 when the Protect...

Page 17: ...17 Installation 2 Press the Protective Cover lightly into the correct position until the cell compartment is completely sealed and the cover cannot slip off Figure 9 Protective Cover Installed...

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Page 19: ...the language selection screen will appear 1 Select the desired language 2 Press OK to confirm the language selection The self check will start automatically Note Once the language is selected the ins...

Page 20: ...is recommended to perform a system check 1 Remove the cell from the cell compartment if present Close the lid and press START The system check is carried out duration approximately 6 minutes Note For...

Page 21: ...keypad This display is used to enter letters numbers and symbols as needed when programming the instrument Unavailable options are disabled grayed out The icons on the right and left of the screen are...

Page 22: ...in absorbance units Transmittance measurements The percentage of the light that passes through the sample and reaches the detector is measured Concentration measurements A concentration factor can be...

Page 23: ...rator ID 3 Use the alphanumeric keypad to enter a new Operator ID Note Spaces cannot be used in this function Use underscore symbols instead on the key YZ_ 4 Press OK to confirm 5 The display shows th...

Page 24: ...s sequentially e g Inflow 01 etc select Add Number Use the arrow keys to specify the first number of the sequence Use the key between the arrow keys to enter the first number of the sequence using the...

Page 25: ...is pressed Default off Reading Done Activates Deactivates a sound when a reading is complete Default short beep every time a reading is complete Timer Adjusts the length of the timer sound Select Sho...

Page 26: ...off to set the length of the idle period that can elapse before the instrument automatically switches off Press OK 5 2 6 Printer and PC Communications 5 2 6 1 Printer Setup Note For compatibility the...

Page 27: ...rity settings to control access to various functions 1 From Instrument Setup press PASSWORD 2 Select SET PASSWORD to activate the Security List 3 Use the alphanumeric keypad to enter a new Password up...

Page 28: ...gth and Multi Wavelength A complete record of the analysis is stored including the Date Time Results Sample ID and Operator ID 5 3 1 1 Auto Manual Data Storage The data storage parameter indicates whe...

Page 29: ...LS to get more information 5 3 1 3 Sending Data from the Data Log Data is sent from the data log as CSV Comma Separated Value files through a USB memory stick to a file named DATALOG The file can then...

Page 30: ...s the total number of data sets assigned to this selection 5 3 2 Time Course The instrument can store 20 Time Course Data sets The data can be stored manually at the user s discretion after viewing th...

Page 31: ...e 1 From the Main Menu press RECALL DATA Select TIME COURSE to display the required data If the program is already running press OPTIONS MORE RECALL DATA 2 Press GRAPH or TABLE to view data in a graph...

Page 32: ...files will be automatically sent as CSV files Comma Separated Value to a TCData Time Course Data file which can be processed using a spreadsheet program The file name will be formatted as TCYear_Month...

Page 33: ...ted 4 Follow the chemical procedures described in the corresponding Procedures Manual 5 4 2 Stored Program Options 1 From the Main Menu select STORED PROGRAMS Choose the desired method and press START...

Page 34: ...ution is in effect the DILUTION icon will appear on the display Standard Additions Enables the accuracy of the measurements to be checked The working procedure for a test parameter contains a detailed...

Page 35: ...a known ratio For example dilution factor can bring the analyzed concentration within the test range 1 Press OPTIONS MORE DILUTION FACTOR The number entered at the dilution factor prompt will be mult...

Page 36: ...ter the new value Press OK to confirm 5 Press ADJUST to enable the Standard Adjust The STANDARD ADJUST icon will appear Note The adjustment must be within certain limits which vary with each program T...

Page 37: ...sult is displayed 4 Press OPTIONS MORE REAGENT BLANK 5 Press On to activate the Reagent Blank function 6 The concentration shown on the key is the measured value of the reagent blank To use this value...

Page 38: ...1 on page 28 5 4 9 Adding Stored Programs to the Favorite Programs List The Favorites menu simplifies test selection by creating a list of the most frequently used tests from the Stored Programs and U...

Page 39: ...re measured during the rotation Outlier values are recognized and eliminated and the average of the remaining readings is calculated This method increases the precision of the measurement results and...

Page 40: ...s OPTIONS MORE PERMANENT ON The key now reads Permanent Off 5 5 3 Selecting the Chemical Evaluation Form The chemical form of the test result of a number of parameters can be selected individually 1 I...

Page 41: ...ed When the specified time has elapsed an acoustic signal is emitted The use of the timer has no influence on the measurement program Dilution Factor Off On A corrective dilution factor can be entered...

Page 42: ...new test is identified the instrument requests an update Data types are described in Table 5 Instructions for editing values are in the sections following Table 5 Table 5 Program Update Options Progr...

Page 43: ...king procedure in advance to determine whether this point needs to be changed 1 Activate the Measurement Process line in the data overview and press EDIT 2 Press EDIT select the sequence to be edited...

Page 44: ...lection can be made from a list of names that describe the corresponding work step In the third column the times for each active timer are entered 5 5 6 2 Updating an Existing Barcode Test Note Only i...

Page 45: ...king procedure and edit the displayed data in accordance with the working procedure data 5 5 6 3 Programming a New Barcode Test 1 Insert the Light Shield in Cell Compartment 2 2 The instrument needs t...

Page 46: ...Visit us at www hach com...

Page 47: ...grams to the favorites menu for frequently used tests Creation of a specific selection of methods and tests 1 From the Main Menu press USER PROGRAMS and then PROGRAM OPTIONS The Program Options menu c...

Page 48: ...ACK to go to the previous program point or press NEXT to continue with the input of the program data Program Type 6 Select the required option Table 7 and press NEXT 7 If the Single Wavelength section...

Page 49: ...gth Use the numeric keypad to enter the measurement wavelength The entered wavelength must be in the range from 340 900 nm Press NEXT to proceed Concentration Resolution Select the required number of...

Page 50: ...ect the formula for the program and press OK to confirm List of available Absorbance Formulas A1 is the absorbance at wavelength 1 A2 is the absorbance at wavelength 2 and so on K1 is the factor at wa...

Page 51: ...y determining the absorbance values of several standard solutions of known concentration There are three ways to create and store a calibration curve Instructions for each method follows Table 8 Table...

Page 52: ...ine press the unit key e g mg l or Abs and enter the changed value via the alphanumeric keypad 4 When the data have all been entered press GRAPH to display the curve that results from plotting the ent...

Page 53: ...econd standard line Place the second standard solution in the cell compartment Press READ Repeat this sequence until all the standard solutions have been measured maximum of 24 solutions The entered a...

Page 54: ...the alphanumeric keypad After each entry press OK to confirm Note The coefficients can have up to 5 digits and can have a positive or a negative sign 6 1 1 4 Storing a User Program The input of the ba...

Page 55: ...activated with the check boxes in the left part of the display In the next column a selection can be made from a list of names that designate the corresponding work step In the third column the times...

Page 56: ...ntly used tests methods in the user program menu can also be added to the list of favorites to simplify selection 1 From the Main Menu press USER PROGRAMS The User Programs list will appear 2 Highligh...

Page 57: ...e results are about 100 recovery for each addition they are likely correct Results can be verified by running a standard solution through the test Poor recovery indicates that a problem exists For exa...

Page 58: ...al When the measurement is complete leave the sample cell in the cell holder 4 Press OPTIONS MORE STANDARD ADDITION An overview of the data of the standard addition procedure is displayed 5 Press OK t...

Page 59: ...11 Use the arrow keys to select the first standard addition volume in the table and place the cell with the corresponding volume of added standard in the cell compartment Press READ Repeat the proced...

Page 60: ...ecific multiplier for converting absorbance readings to concentration Wavelength Enters the measurement wavelength Use the alphanumeric keypad to enter the measurement wavelength The entered wavelengt...

Page 61: ...units for concentration measurements or to create a new unit 3 Press OK to confirm Selecting the Concentration Resolution 1 From the Options menu press CONCENTRATION RESOLUTION 2 Select the resolutio...

Page 62: ...a specific multiplier for converting absorbance readings to concentration Wavelength Enter the measurement wavelengths Use the alphanumeric keypad to enter the measurement wavelengths The entered wave...

Page 63: ...rs to the coefficient at wavelength 1 K 2 refers to the coefficient at wavelength 2 etc Coefficients can be set negative where subtraction is required 3 To change a wavelength press one of the x keys...

Page 64: ...me active until the zero measurement has been performed 2 Insert the sample cell into the cell holder Press READ 3 For data storage see section 5 3 1 on page 28 6 5 Time Course Mode The Time Course Mo...

Page 65: ...ts automatically so that the total range can be displayed 4 Press OK to confirm 5 Press RETURN to return to the scan mode Table 11 Time Course Setup Options Option Description Store folder icon Stores...

Page 66: ...ndicate a significant event such as the addition of a sample or other reagent The mark is also shown in the table Select STOP to stop taking the sample readings 6 5 3 Analysis of Time Course Data Afte...

Page 67: ...ingle Use the active cursor to select any point on the measurement curve The difference in time between the two cursors The delta values are correspondingly highlighted and displayed on the x and y ax...

Page 68: ...5 Connect the USB stick to the USB interface on the DR 2800 Figure 2 on page 11 Press OK The link is established automatically and the software is updated 6 Press OK to return to the System Checks men...

Page 69: ...t Touch Start 3 The result is displayed and is to be compared with the nominal data of the sample cell 4 Press CANCEL to return to Optical Checks 6 6 3 2 Absorbance Check The Absorbance Check test is...

Page 70: ...Checks menu press STRAY LIGHT CHECK 2 Remove any cells from the cell compartment 3 Insert the Adapter A for 10 mm rectangular cells in Cell Compartment 2 Press ZERO 4 Insert the sample cell into the C...

Page 71: ...s reset to 0 1 Press RESET VIS and the Visible Lamp will be reset A system check is performed The duration of the check is 6 minutes 2 Press OK to return to System Checks 6 6 5 1 Factory Service The F...

Page 72: ...Deleting a Favorite Program 1 From the Main Menu press FAVORITE PROGRAMS The Favorite Programs list will appear 2 Highlight the selection by pressing it or press SELECT BY NUMBER to search for the pr...

Page 73: ...ay Do not touch the screen with the tip of a ball point pen pencil or similar pointed objects Clean the display with a soft lint free and oil free cotton cloth Diluted window cleaner can also be used...

Page 74: ...g them or depending on battery types can result in fire or explosion 1 Remove the sample cell from the cell compartment 2 Switch the instrument off 3 Unplug the power cord 4 Turn the instrument over c...

Page 75: ...installed battery is about 3 5 hours Operating time of a fully charged battery If a battery is charged to 100 capacity and the user carries out 10 measurements per day and the instrument is left on a...

Page 76: ...Use a Phillips screwdriver to remove the screws from the lamp housing Figure 12 on page 77 9 Carefully lift the lamp housing from the instrument 10 Carefully remove both knurled screws Figure 13 on pa...

Page 77: ...the Lamp History see section 6 6 5 on page 71 Figure 12 Removing the Lamp 1 Cover Screw 3 Lamp Housing 2 Lamp Housing Screw 2X Figure 13 Replacing the Lamp 1 Halogen Lamp 3 Plug Panel 2 Lamp Base 4 Ro...

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Page 79: ...r a sales representative It s recommended to execute a Full System Check Please remove cuvette Please close the lid The instrument needs a new Full System Check Remove cell close the lid and press STA...

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Page 81: ...ware for data transfer LZY274 Lamp tungsten LZV565 Light Shield LZV646 Pour Thru Cell Kit 5940400 Power Supply external LZV610 Protective Cover adapter holder LZV642 Sample Cell 10 mL 1 inch glass squ...

Page 82: ...Visit us at www hach com...

Page 83: ...ou send an e mail to intl hach com or contact Hach Company World Headquarters Loveland Colorado U S A Telephone 970 669 3050 Fax 970 669 2932 Technical and Customer Service U S A only Hach Technical a...

Page 84: ...00 227 4224 U S A only FAX 515 232 3835 In Canada Hach Sales Service Canada Ltd 1313 Border Street Unit 34 Winnipeg Manitoba R3H 0X4 800 665 7635 Canada only Telephone 204 632 5598 FAX 204 694 5134 E...

Page 85: ...aused by any repair or attempted repair not authorized by Hach Company Any product not used in accordance with the instructions furnished by Hach Company Freight charges to return merchandise to Hach...

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Page 87: ...allow the sample to be introduced into the cell without having to handle the cell in any way The Pour Thru cell can be oriented to provide two pathlengths Approximately 1 inch 1 cm These two pathlengt...

Page 88: ...g instructions to install the sample inflow and outflow 1 Connect the Inflow Tube to the fitting at the bottom of the glass funnel and clamp the glass funnel to the stand 2 Connect the Outflow Tube to...

Page 89: ...ated it is necessary to multiply the results by a pathlength factor of 0 95 or to perform a standard adjustment section 5 4 5 on page 36 on any method that utilizes 1 inch square cells Always confirm...

Page 90: ...for cleaning Rinse thoroughly with deionized water If windows are cloudy or soiled or bubbles form add 50 mL of a detergent solution to the cell and wait for a few minutes to allow it to take effect...

Page 91: ...ro and sample measurements and the timer s reaction times waiting times etc are individually defined Table 15 Free Programming Options Input Option Description Name Name of the analysis parameter Vers...

Page 92: ...ess OK again to confirm the input 3 Note The entered measurement sequence is displayed Timer Key 1 Press the TIMER key to enter any waiting reaction or handling times that have to be taken into accoun...

Page 93: ...ages of a measurement sequence the series of actions is numbered sequentially e g Z1 Z2 etc Deleting an element of a measuring sequence Select the appropriate line and press DELETE The element is dele...

Page 94: ...successively in the display in accordance with the input Note The ARROW key deletes the most recently entered element of the formula Table 16 Edit Formula Key Descriptions Screen Key Description ABS V...

Page 95: ...athematically permissible in the defined formula this also applies to all further basic mathematical operations The following basic mathematical operations are available Addition Subtraction Division...

Page 96: ...etc Press OK to confirm each entry Abbreviation of Variables F1 Factor 1 F2 Factor 2 1 Wavelength 1 U1 Conversion Factor 1 for the first chemical form U2 Conversion Factor 2 for additional chemical f...

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Summary of Contents for DR 2800

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Hach DR 2800, User Manual, Page: 58 / 96

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Summary of Contents for DR 2800

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