Hanna Instruments HI 83205 User Manual

Instruction Manual

HI 83205

Multiparameter Bench

Photometer

for Boilers and Cooling Towers

www.hannainst.com

This Instrument is in

Compliance with the CE Directives

Dear Customer, Thank you for choosing a Hanna product. Please read this instruction manual carefully before using the

instrument. This manual will provide you with the necessary information for the correct use of the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com. This instrument is in compliance with

directives.

TABLE OF CONTENTS

PRELIMINARY EXAMINATION ............................................. 3

ABBREVIATIONS ............................................................... 3

GENERAL DESCRIPTION ..................................................... 3

SPECIFICATIONS .............................................................. 4

PRECISION AND ACCURACY ............................................... 4

PRINCIPLE OF OPERATION ................................................ 4

FUNCTIONAL DESCRIPTION ............................................... 6

NEED TO KNOW ............................................................... 7

TIPS FOR AN ACCURATE MEASUREMENT ........................... 8

HEALTH & SAFETY..........................................................11

METHOD REFERENCE TABLE ............................................. 11

OPERATIONAL GUIDE ....................................................... 12

SETUP ........................................................................... 14

HELP MODE ................................................................... 16

ALUMINUM ....................................................................17

AMMONIA MR ................................................................ 19

AMMONIA LR ................................................................. 21

BROMINE ...................................................................... 23

FREE CHLORINE ............................................................. 25

TOTAL CHLORINE ............................................................28

CHLORINE DIOXIDE ......................................................... 31

CHROMIUM VI HR .......................................................... 34

CHROMIUM VI LR ...........................................................36

COPPER HR ....................................................................38

COPPER LR .................................................................... 40

HYDRAZINE .................................................................... 42

IRON HR ........................................................................ 44

IRON LR .........................................................................46

MOLYBDENUM ............................................................... 49

NITRATE .........................................................................52

NITRITE HR .................................................................... 54

NITRITE LR .....................................................................56

DISSOLVED OXYGEN ........................................................58

pH ................................................................................ 60

PHOSPHATE HR ..............................................................62

PHOSPHATE LR ...............................................................64

SILICA ...........................................................................66

ZINC ..............................................................................69

ERRORS AND WARNINGS ................................................. 71

DATA MANAGEMENT ........................................................72

STANDARD METHODS ......................................................72

ACCESSORIES ................................................................73

WARRANTY .................................................................... 75

HANNA LITERATURE ........................................................75

PRELIMINARY EXAMINATION

Please examine this product carefully. Make sure that the instrument is not damaged. If any damage occurred during shipment, please notify your Dealer.

Each Meter is supplied complete with:

• Two Sample Cuvettes and Caps

• Cloth for wiping cuvettes (4 pcs)

• Scissors

• AC/DC Power Adapter

• Instruction Manual

• Rigid carrying case

Note: Save all packing material until you are sure that the instrument works correctly. Any defective item

must be returned in its original packing with the supplied accessories.

ABBREVIATIONS

°C: degree Celsius EPA: US Environmental Protection Agency °F: degree Fahrenheit g/L: grams per liter (ppt) HR: high range LR: low range mg/L: milligrams per liter (ppm) mL: milliliter MR: medium range μg/L: micrograms per liter (ppb) PAN: 1-(2-pyridylazo)-2-naphtol TPTZ: 2,4,6-tri-(2-pyridyl)-1,3,5-triazine

All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA.

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GENERAL DESCRIPTION

HI 83205 is a multiparameter bench photometer dedicated for Boiler and Cooling Towers. It can measure 24 different methods using specific liquid or powder reagents. The amount of reagent is precisely dosed to ensure maximum reproducibility.

HI 83205 bench photometer can be connected to a PC via an USB cable. The optional HI 92000

Windows

Compatible Software helps users manage all their results.

SPECIFICATIONS

Light Life Life of the instrument Light Detector Silicon Photocell Environment 0 to 50°C (32 to 122°F);

max 90% RH non-condensing

Power Supply external 12 Vdc power adapter

built-in rechargeable battery

Dimensions 235 x 200 x 110 mm (9.2 x 7.87 x 4.33") Weight 0.9 Kg

For specifications related to each method (e.g. range, precision, etc.) refer to the related measurement section.

PRECISION AND ACCURACY

Precision is how closely repeated measurements agree with each other. Precision is usually expressed as standard deviation (SD).

Accuracy is defined as the nearness of a test result to the true value.

Although good precision suggests good accuracy, precise results can be inaccurate. The figure explains these definitions.

For each method, the precision is expressed in the related measurement section as standard deviation at a specific concentration value of the analite. The standard deviation is obtained with a single instrument

using a representative lot of reagents.

PRINCIPLE OF OPERATION

Absorption of Light is a typical phenomenon of interaction between electromagnetic radiation and matter. When a light beam crosses a substance, some of the radiation may be absorbed by atoms, molecules or crystal lattices. If pure absorption occurs, the fraction of light absorbed depends both on the optical path length through the matter and on the physical-chemical characteristics of substance according to the Lambert-Beer Law:

= ε

-log I/I A = ε

c d

Where:

-log I/I

=Absorbance (A)

=intensity of incident light beam

I =intensity of light beam after absorption

=molar extinction coefficient at wavelength λ

c =molar concentration of the substance d =optical path through the substance

Therefore, the concentration "c" can be calculated from the absorbance of the substance as the other factors are known.

Photometric chemical analysis is based on the possibility to develop an absorbing compound from a specific chemical reaction between sample and reagents.

Given that the absorption of a compound strictly depends on the wavelength of the incident light beam, a narrow spectral bandwidth should be selected as well as a proper central wavelength to optimize measurements.

The optical system of HI 83205 is based on special subminiature tungsten lamps and narrow-band interference filters to guarantee both high performance and reliable results.

Four measuring channels allow a wide range of tests.

Instrument block diagram (optical layout)

A microprocessor controlled special tungsten lamp emits radiation which is first optically conditioned and beamed to the sample contained in the cuvette. The optical path is fixed by the diameter of the cuvette. Then the light is spectrally filtered to a narrow spectral bandwidth, to obtain a light beam of intensity -I

or -I-.

The photoelectric cell collects the radiation -I- that is not absorbed by the sample and converts it into an electric current, producing a potential in the mV range.

The microprocessor uses this potential to convert the incoming value into the desired measuring unit and to display it on the LCD.

The measurement process is carried out in two phases: first the meter is zeroed and then the actual measurement is performed.

The cuvette has a very important role because it is an optical element and thus requires particular attention. It is important that both the measurement and the calibration (zeroing) cuvette are optically identical to provide the same measurement conditions. Most of methods use the same cuvette for both, so it is important that measurements take place in the same optical point. The instrument and the cuvette cap have special marks that must be aligned in order to obtain better

reproducibility.

The surface of the cuvette must be clean and not scratched. This is to avoid measurement interference due to unwanted reflection and absorption of light. It is recommended not to touch the cuvette walls with hands.

Furthermore, in order to maintain the same conditions during the zeroing and the measurement phases, it is necessary to close the cuvette to prevent any contamination.

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FUNCTIONAL DESCRIPTION

INSTRUMENT DESCRIPTION

KEYPAD DESCRIPTION

The keypad contains 8 direct keys and 3 functional keys with the following functions:

Press to perform the function displayed above it. The functions are screen related.

ESC

Press to exit the current screen.

Press to access the select method menu.

Press to move up in a menu or a help screen, to increment a set value, to access second level

functions.

Press to move down in a menu or a help screen, to decrement a set value, to access second

level functions.

Press to log the current reading.

RCL

Press to recall the log.

1) Cuvette Lid

2) Liquid Crystal Display (LCD).

3) Splash proof keypad.

4) ON/OFF power switch

5) Power input connector

6) USB connector

HELP

SETUP

Press to display the help screen.

Press to access the setup screen.

NEED TO KNOW

HI 83205 has a powerful interactive user support that assists the user during the analysis process. Each step in the measurement process is help supported. A tutorial mode is available in the Setup Menu.

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TIPS FOR AN ACCURATE MEASUREMENT

The instructions listed below should be carefully followed during testing to ensure most accurate results.

• Color or suspended matter in large amounts may cause interference, they should be removed by treatment with active carbon and filtration.

• Ensure the cuvette is filled correctly: the liquid in the cuvette forms a convexity on the top; the bottom of this convexity must be at the same level of the 10 mL mark.

COLLECTING AND MEASURING SAMPLES

• In order to measure exactly 0.5 mL of reagent with the 1 mL syringe: (a) push the plunger completely into the syringe and insert the tip into the solution. (b) pull the plunger up until the lower edge of the seal is exactly on the 0.0 mL mark. (c) take out the syringe and clean the outside of the syringe tip. Be sure that no drops are hanging

on the tip of the syringe, if so eliminate them. Then, keeping the syringe in vertical position above the cuvette, push the plunger down into the syringe until the lower edge of the seal is exactly on the 0.5 mL mark. Now the exact amount of 0.5 mL has been added to the cuvette, even if the tip still contains some solution.

USING LIQUID AND POWDER REAGENTS

• Proper use of the dropper: (a) for reproducible results, tap the dropper on the table for several times and wipe the outside of the

dropper tip with a cloth.

(b) always keep the dropper bottle in a vertical position while dosing the reagent.

(a) (b)

• Proper use of the powder reagent packet: (a) use scissors to open the powder packet; (b) push the edges of the packet to form a spout; (c) pour out the content of the packet.

USING CUVETTES

• Proper mixing of the cuvette is done by shaking the cuvette, moving the cuvette up and down. The

(c)(a) (b)

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movement may be gentle or vigorous. This mixing method is indicated with “shake gently” or “shake vigorously”, and one of the following icons:

shake gently shake vigorously

(c)(a) (b)

Pay attention to push the cuvette completely down in the holder.

HEALTH & SAFETY

The chemicals contained in the reagent kits may be hazardous if improperly handled. Read the

Material Safety Data Sheet (MSDS) before performing tests. Safety equipment: Wear suitable eye protection and clothing when required, and follow instructions carefully. Reagent spills: If a reagent spill occurs, wipe up immediately and rinse with plenty of water. If reagent contacts skin, rinse the affected area thoroughly with water. Avoid breathing released vapors.

METHOD REFERENCE TABLE

• In order to avoid reagent leaking and to obtain more accurate measurements, close the cuvette first with the supplied HDPE plastic stopper and then the black cap.

• Each time the cuvette is used, the cap must be tightened to the same degree.

• Whenever the cuvette is placed into the measurement cell, it must be dry outside, and free of fingerprints, oil or dirt. Wipe it thoroughly with HI 731318 or a lint-free cloth prior to insertion.

• Shaking the cuvette can generate bubbles in the sample, causing higher readings. To obtain accurate measurements, remove such bubbles by swirling or by gently tapping the cuvette.

• Do not let the reacted sample stand too long after reagent is added, or accuracy will be lost.

• It is possible to take multiple readings in a row, but it is recommended to take a new zero reading for each sample and to use the same cuvette for zeroing and measurement when possible (for most precise results follow the measurement procedures carefully).

• Discard the sample immediately after the reading is taken, or the glass might become permanently stained.

• All the reaction times reported in this manual are at 20°C (68°F). As a general rule of thumb, they should be doubled at 10°C (50°F) and halved at 30°C (86°F).

REAGENT BLANK CORRECTION

• Some methods require a “reagent blank correction”. The blank and the sample are prepared exactly in the same way, only the blank is deionized water instead of sample. A blank cuvette may be used more than once: stability and storing conditions are described for each method in the related chapter.

HI 83205 - BOILERS & COOLING TOWERS

Method Method Page

description

1 Aluminum 17 2 Ammonia MR 19 3 Ammonia LR 21

4 Bromine 23

5 Free Chlorine 25 6 Total Chlorine 28 7 Chlorine Dioxide 31 8 Chromium VI HR 34

9 Chromium VI LR 36 10 Copper HR 38 11 Copper LR 40 12 Hydrazine 42

Method Method Page

description

13 Iron HR 44 14 Iron LR 46 15 Molybdenum 49 16 Nitrate 52 17 Nitrite HR 54 18 Nitrite LR 56 19 Dissolved Oxygen 58 20 pH 60 21 Phosphate HR 62 22 Phosphate LR 64 23 Silica 66 24 Zinc 69

INTERFERENCES

• In the method measurement section the most common interferences that may be present in an average wastewater matrix have been reported. It may be that for a particular treatment process other compounds do interfere with the method of analysis.

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OPERATIONAL GUIDE

POWER CONNECTION AND BATTERY MANAGEMENT

The meter can be powered from an AC/DC adapter (included) or from the built-in rechargeable battery. Note: Always turn the meter off before unplugging it to ensure no data is lost. When the meter switches ON, it verifies if the power supply adapter is connected. The battery icon on the

LCD will indicate the battery status:

- battery is charging from external adapter - battery fully charged (meter connected to AC/DC adapter)

- battery capacity (no external adapter) - battery Low (no external adapter)

• After the desired method was selected, follow the measurement described in the related section.

• Before performing a test you should read all the instructions carefully.

DATA MANAGEMENT

The instrument features a data log function to help you keep track of all your analysis. The data log can hold 200 individual measurements. Storing, viewing and deleting the data is possible using LOG and

RCL keys

Storing data

stored in a stack as a record with date and time stamps.

: You can store only a valid measurement. Press LOG

and the last valid measurement will be

- battery Dead (no external adapter)

METHOD SELECTION

• Turn ON the instrument via the ON/OFF power switch.

• The meter will perform an autodiagnostic test. During this test, the Hanna Instrument logo will appear on

the LCD. After 5 seconds, if the test was successful, the last selected method will appear on the display.

• In order to select the desired method press METHOD and a screen with the available methods will appear.

• Press   keys to highlight the desired method. Press Select.

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Viewing and deleting

on the LIFO (last in, first out) scheme. Additionally, you can delete the data records all at once.

: You can view and delete the data log by pressing the RCL key. Deleting is based

CHEMICAL FORM

Chemical form conversion factors are pre-programmed into the instrument and are method specific. In order to view the displayed result in the desired chemical form press the  or  to access to the second level of functions and then press the Chem Frm functional key to toggle between the existing chemical forms for the selected method.

SETUPSETUP

SETUP

SETUPSETUP

In the Setup mode the instrument’s parameters can be changed. Some parameters affect the measuring sequence and others are general parameters that change the behavior or appearance of the instrument.

Press SETUP to enter the setup mode. Press ESC or SETUP to return to the main screen. A list of setup parameters will be displayed with currently configured settings. Press HELP for additional information.

Press the   new value as follows:

keys to select the parameter and select a

Backlight

Values: 0 to 8.

Press Modify functional key to access the backlight value. Use the WX functional keys or the   keys to increase/ decrease the value. Press Accept functional key to confirm or ESC to return to the setup

menu without saving the new value.

Contrast

Values: 0 to 20.

This option is used to set the display’s contrast. Press Modify functional key to change the display’s contrast. Use the WX functional keys or the   keys to increase/ decrease the value. Press Accept functional key to confirm the value or ESC to return to the

setup menu without saving the new value.

Date / Time

This option is used to set the instrument’s date and time. Press Modify functional key to change the date/time. Press the WX functional keys to highlight the value to be modified (year, month, day, hour, minute or second). Use the  keys to change the value. Press Accept functional key to confirm or ESC to return to the setup

without saving the new date or time.

Time format

Option: AM/PM or 24 hour.

Press the functional key to select the desired time format.

Date format

Press Modify functional key to change the Date Format. Use the   keys to select the desired format. Press Accept functional key to confirm or ESC to return to the setup

menu without saving the new format.

Language

Press the corresponding functional key to change the option. If the new selected language cannot be loaded, the previously selected language will be reloaded.

Tutorial

Option: Enable or Disable.

If enabled this option will provide the user short guides, related to the current screen. Press the functional key to enable/disable the tutorial mode.

Beeper

Option: Enable or Disable.

When enabled, a short beep is heard every time a key is pressed. A long beep alert sounds when the pressed key is not active or an error condition is detected.

Press the functional key to enable/disable the beeper.

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Instrument ID

Option: 0 to 9999.

This option is used to set the instrument’s ID (identification number). The instrument ID is used while exchanging data with a PC. Press Modify functional key to access the instrument ID screen. Press the   keys in order to set the desired value. Press Accept functional key to confirm the value or ESC to return to the setup menu without saving the new value.

Meter information

Press “Select” functional key to view the Instrument model, firmware version, language version and instrument serial number.

Press ESC to return to the Setup mode.

ALUMINUM

SPECIFICATIONS

Range 0.00 to 1.00 mg/L Resolution 0.01 mg/L Accuracy ±0.02 mg/L ±4% of reading Typical EMC ±0.01 mg/L

Deviation Light Source Tungsten lamp with narrow band interference filter @ 525 nm Method Adaptation of the aluminon method. The reaction between aluminum and reagents

causes a reddish tint in the sample.

REQUIRED REAGENTS

Code Description Quantity HI 93712A-0 Ascorbic acid 1 packet HI 93712B-0 Aluminon reagent 1 packet HI 93712C-0 Bleaching powder 1 packet

REAGENT SETS

HI 93712-01 Reagents for 100 tests HI 93712-03 Reagents for 300 tests

For other accessories see page 73.

HELP MODEHELP MODE

HELP MODE

HELP MODEHELP MODE

HELP MODE

HI 83205 offers an interactive contextual help mode that assists the user at any time.

To access help screens press HELP. The instrument will display additional information related to the current screen. To read all available data, scroll the text using the   keys. Press Support functional key to access a screen with Hanna service centers and their contact details. Press Accessories functional key to access a page with instrument accessories. To exit support or accessories screens press ESC and the instrument will return to the previous help screen. To exit help mode just press HELP or ESC key again and the meter will display the last screen the user was in before entering help mode.

16 17

MEASUREMENT PROCEDURE

• Select the

Method Selection

• Fill a graduated beaker with 50 mL of sample.

• Add the content of one packet of HI 93712A-0 Ascorbic Acid and mix until completely dissolved.

• Add the content of one packet of HI 93712B-0 Aluminon Reagent and mix until completely dissolved. This is the sample.

• Fill two cuvettes with 10 mL of sample each (up to the mark).

Aluminum

method using the procedure described in the

section (see page 12).

# 1

10 mL10 mL

# 2

Aluminum

• Add the content of one packet of HI 93712C-0 Bleaching Powder to one of the two cuvettes. Replace the cap and shake vigorously until completely dissolved. This is the blank.

• Place the blank into the holder and close the lid.

• Press TIMER and the display will show the countdown prior to zeroing the blank. Alternatively wait for 15 minutes and then press ZERO. The display will show "-0.0-" when the meter is zeroed and ready for measurement.

# 1

# 2

# 1

AMMONIA MEDIUM RANGE

SPECIFICATIONS

Range 0.00 to 10.00 mg/L Resolution 0.01 mg/L Accuracy ±0.05 mg/L ±5% of reading Typical EMC ±0.01 mg/L

Deviation Light Source Tungsten lamp with narrow band interference filter @ 420 nm Method Adaptation of the

Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample.

REQUIRED REAGENTS

Code Description Quantity HI 93715A-0 First Reagent 4 drops (6 drops for seawater) HI 93715B-0 Second Reagent 4 drops (10 drops for seawater)

REAGENT SETS

HI 93715-01 Reagents for 100 tests HI 93715-03 Reagents for 300 tests

For other accessories see page 73.

ASTM Manual of Water and Environmental Technology, D1426-92

• Remove the blank and insert the other cuvette into the instrument.

• Press the READ key and the meter will perform the reading. The instrument displays the results in mg/L of aluminum.

• Press the  or  to access the second level of functions.

• Press the Chem Frm functional key to convert the result in mg/L of Al

• Press the  or  to go back to the measurement screen.

INTERFERENCES

Interference may be caused by: Iron above 20 mg/L Alkalinity above 1000 mg/L Phosphate above 50 mg/L Fluoride must be absent

Aluminum

18 19

2O3

MEASUREMENT PROCEDURE

• Select the

• Fill the cuvette with 10 mL of unreacted sample (up to the mark)

• Place the cuvette into the holder and close the lid.

• Press ZERO key. The display will show “-0.0-” when the meter is

Ammonia MR

the

Method Selection

method using the procedure described in

section (see page 12).

and replace the cap.

zeroed and ready for measurement.

Ammonia MR

• Remove the cuvette.

• Add 4 drops of HI 93715A-0 First reagent (6 drops for seawater analysis). Replace the cap and mix the solution.

• Add 4 drops of HI 93715B-0 Second reagent (10 drops for seawater analysis). Replace the cap and mix the solution.

• Reinsert the cuvette into the instrument.

• Press TIMER and the display will show the countdown prior to the measurement or, alternatively, wait for 3 minutes and 30 seconds and press READ. When the timer ends the meter will perform the reading. The instrument displays the results in mg/L of ammonia nitrogen (NH

-N).

x 4

AMMONIA LOW RANGE

SPECIFICATIONS

Range 0.00 to 3.00 mg/L Resolution 0.01 mg/L Accuracy ±0.04 mg/L ±4% of reading Typical EMC ±0.01 mg/L

Deviation Light Source Tungsten lamp with narrow band interference filter @ 420 nm Method Adaptation of the

Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample.

REQUIRED REAGENTS

Code Description Quantity HI 93700A-0 First Reagent 4 drops (6 drops for seawater) HI 93700B-0 Second Reagent 4 drops (10 drops for seawater)

REAGENT SETS

HI 93700-01 Reagents for 100 tests HI 93700-03 Reagents for 300 tests

For other accessories see page 73.

MEASUREMENT PROCEDURE

• Select the the

Ammonia LR

Method Selection

section (see page 12).

ASTM Manual of Water and Environmental Technology, D1426-92

method using the procedure described in

10 mL

• Press the  or  to access the second level of functions.

• Press the Chem Frm functional key to convert the result in mg/L of ammonia (NH

) and ammonium (NH

• Press the  or  to go back to the measurement screen.

INTERFERENCES

Interference may be caused by: acetone, alcohols, aldehydes, glycine, hardness above 1 g/L, iron, organic chloramines, sulfide, various aliphatic and aromatic amines.

Ammonia MR

20 21

• Fill the cuvette with 10 mL of unreacted sample (up to the mark) and replace the cap.

• Place the cuvette into the holder and close the lid.

• Press ZERO key. The display will show “-0.0-” when the meter is zeroed and ready for measurement.

Ammonia LR

• Remove the cuvette.

• Add 4 drops of HI 93700A-0 First reagent (6 drops for seawater analysis). Replace the cap and mix the solution.

• Add 4 drops of HI 93700B-0 Second reagent (10 drops for seawater analysis). Replace the cap and mix the solution.

• Reinsert the cuvette into the instrument.

-N).

x 4

BROMINE

SPECIFICATIONS

Range 0.00 to 8.00 mg/L Resolution 0.01 mg/L Accuracy ±0.08 mg/L ±3% of reading Typical EMC ±0.01 mg/L

Deviation Light Source Tungsten lamp with narrow band interference filter @ 525 nm Method Adaptation of the

edition

pink tint in the sample.

REQUIRED REAGENTS

Code Description Quantity HI 93716-0 DPD Reagent 1 packet

REAGENT SETS

HI 93716-01 Reagents for 100 tests HI 93716-03 Reagents for 300 tests

For other accessories see page 73.

MEASUREMENT PROCEDURE

• Select the

Bromine

Method Selection

method using the procedure described in the

section (see page 12).

Standard Methods for the Examination of Water and Wastewater,

, DPD method. The reaction between bromine and the reagent causes a

• Press the  or  to access the second level of functions.

• Press the Chem Frm functional key to convert the result in mg/L of ammonia (NH

) and ammonium (NH

• Press the  or  to go back to the measurement screen.

INTERFERENCES

Interference may be caused by: acetone, alcohols, aldehydes, glycine, hardness above 1 g/L, iron, organic chloramines, sulfide, various aliphatic and aromatic amines.

Ammonia LR

22 23

10 mL

• Fill the cuvette with 10 mL of unreacted sample (up to the mark) and replace the cap.

• Place the cuvette into the holder and close the lid.

• Press ZERO key. The display will show “-0.0-” when the meter is zeroed and ready for measurement.

Bromine

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