EUTECH INSTRUMENTS CYBERSCAN TB 1000 TURBIDITY METER Manual de usuario

INSTRUCTION MANUAL

CYBERSCAN TURBIDIMETER TB1000

BENCH TURBIDITY METER

Technology Made Easy …

TABLE OF CONTENTS

1 INTRODUCTION 1

2 UNPACKING THE INSTRUMENT 1

2.1 Packing List of Contents 1

2.2 Unpacking and Inspection of the Instrument and Accessories 1

3 BECOMING FAMILIAR WITH THE INSTRUMENT 2

4 ROUTINE OPERATION 3

4.1 Grab Sample Measurement (Routine Measurement) 3

4.2 Pour Through Sample Measurement (Optional Accessory) 4

5 CALIBRATION PROCEDURES 4

5.1 Indexing the Calibration Standard(s) 4

5.2 Calibration Procedure 5

6 USER SELECTABLE PARAMETERS 6

6.1 Setting the Year 6

6.2 Setting the Day and Month 6

6.3 Setting the Time 6

6.4 Setting the Calibration Interval 6

6.5 Setting the Printing Function 7

6.6 Completing Selectable Parameters 7

7 TROUBLESHOOTING 7

7.1 System Warning Message(s) 7

7.1.1 Flashing “Cal” block 7

7.1.2 Flashing “LoBat” block 7

7.2 System Error Message(s) 7

7.3 Factory Default Parameters 8

8 ROUTINE MAINTENANCE 8

8.1 Cuvette Cleaning and Care 8

8.2 Lamp Replacement 8

8.3 Battery Replacement 9

9 SPECIFICATIONS 10

10 ACCESSORIES AND REPLACEMENT PARTS LIST 11

10.1 Glossary 11

CyberScan TB1000

1 Introduction

Thank you for purchasing Eutech Instruments’ CyberScan Turbidimeter TB1000 series White Light or Infrared

turbidity meter (CyberScan TB1000 hereafter). These turbidity meters have been designed for simple and easy

measurement of turbidity.

This manual contains simple steps to follow to ensure that your instrument is operating properly. This material

assumes that the user knows how to obtain representative samples of their process and has some familiarity with

measuring the turbidity of samples.

The following sections describe how to use and care for your CyberScan TB1000. In certain instances notes or

reminders have been added to give further clarification to the instructions. Refer to the Table of Contents or the

Glossary to easily find specific topics and to learn about unfamiliar terms.

2 Unpacking The Instrument

2.1 Packing List of Contents

Item Description Qty

CyberScan TB1000 Laboratory Turbidimeter Instrument 1

Accessory Kit for TB1000 (0.02 NTU, 10.0 NTU, 1000 NTU Standards and 2 empty

sample cuvettes)

TB1000 Laboratory Turbidimeter Instruction Manual 1

Note: Power adapter (120/220VAC) has to be ordered separately; see Section 10 Accessories

and Replacement Parts List for details.

2.2 Unpacking and Inspection of the Instrument and Accessories

Remove the Accessory Kit and the instrument from the packing carton. Carefully inspect all items to ensure that

no visible damage has occurred during shipment.

NOTE: Extra care should be taken when unpacking, opening, and handling the calibration standards and

sample cuvettes in the Accessory Kit; surface scratches or finger smudges on the cuvette surface may cause

measurement errors. Handle these items by the top area of the cuvette only.

CyberScan TB1000

3 Becoming Familiar with The Instrument

Figure 1 is a depiction of the front of the CyberScan Turbidity Series TB1000. Not shown in this picture is the RS-

232 serial printer port and 12V DC power plug connector, which are located on the back panel of the instrument.

Figure 1: Front view of CyberScan Turbidity Meter TB1000

The user interface of the

CyberScan TB1000 has been

designed with a 5 key touchpad

and user display. The five keys of

the Touch Pad and their

functionality are described below:

CyberScan TB1000

The ON/OFF key is used to turn the instrument on and off. The CAL key is used to enter, or exit, calibration

mode. Both the ▲and ▼keys are used to set numerical values and to scroll through lists. The ENTER key

stores value on the screen and/or causes the turbidity data to be output to the printer port when pressed.

Figure 2 illustrates all the items that can appear on the display. The upper row of the display (1) is used for

reporting the turbidity levels and to provide user guidance in the customer setting routine. The lower row of the

display (2) is used to display the stored turbidity reading and to communicate error messages and user guidance.

The display has several status indicators (3) which distinguish the operation of the instrument. In addition, the

"LoBat" block (4) flashes when the batteries need to be replaced. Finally, several indicators (5) provide guidance

when the customer setting routine is being used and when the calibration routine is being used.

4 Routine Operation

The CyberScan TB1000 measures and reports the turbidity of a sample in nephelometric turbidity units (NTU).

NOTE: Nephelometric turbidity units (NTU’s) are numerically equivalent to Formazin turbidity units (FTU’s) (See

Glossary).

Sections 4.1 and 4.2 describe how to use the CyberScan TB1000 under normal operating conditions. These

sections include details on how to input certain customer selectable parameters and how to take normal, routine

turbidity measurements using the CyberScan TB1000.

4.1 Grab Sample Measurement (Routine Measurement)

The following steps describe how to measure the turbidity of a sample using the CyberScan TB1000:

1. Turn on the CyberScan TB1000 using ON key. The instrument will be in the normal mode (the "AUTO"

block should be illuminated). Allow instrument to warm up for at least 30 minutes.

2. Sample approximately 100 ml of the process stream as you would normally do for turbidity measurement.

3. Obtain a clean and dry sample cuvette.

4. Rinse the cuvette with approximately 20 ml of the sample water (2/3 of cuvette volume), capping the

cuvette with the black light shield (cuvette top) and inverting several times. Discard the 20ml of used

sample and repeat the rinsing procedure two more times.

5. Completely fill the rinsed cuvette (from step 4) with the remaining portion (approximately 30 ml) of the grab

sample and then cap the cuvette with the black light shield. Ensure that the outside of the cuvette is dry,

clean and free from smudges** .

6. Place the cuvette in the CyberScan TB1000 and index the cuvette to the lowest reading (the displayed

turbidity is continuously updated on the upper row of the display). Once the cuvette is indexed, the

reading displayed on the CyberScan TB1000 display should be recorded as the sample turbidity (see

Glossary for more information on indexing a cuvette).

** Any typical glass cleaner can be used along with a lint free cloth, or tissue, to clean the outside of the

cuvette.

7. If you are measuring and comparing more than one sample, pressing ENTER key will display the latest

reading (displayed on the lower row of the display). In addition, if you have selected printer output in the

customer setup section, pressing ENTER key will output data to the RS232 port. Repeat steps 2 through 7

for all of your samples.

NOTE: The CyberScan TB1000 may display “- - -“ for a few seconds while it determines the correct reading.

NOTE: An indication of “Or” (over-range) in the upper row of the display indicates that the standard in the sample

well is higher than 1000 NTU.

WARNING: NEVER pour liquid directly into the sample well of the CyberScan TB1000, always use a cuvette.

The CyberScan TB1000 will accurately measure the turbidity of a sample using only cuvettes with the

black light shield on the cuvettes provided or the optional pour through assembly.

CyberScan TB1000

4.2 Pour Through Sample Measurement (Optional Accessory)

Install the pour through assembly and index it according to the instruction sheet that accompanies the assembly.

The following steps describe how to measure the turbidity of a sample using the CyberScan TB1000 fitted with

the optional pour through assembly:

1. Turn on the CyberScan TB1000. The instrument will be in the normal automatic mode (the "AUTO" block

should be illuminated). Allow instrument to warm up for at least 30 minutes.

2. Sample approximately 500 ml of the process stream as you would normally do for turbidity measurement.

3. Pour the complete 500 ml sample into the pour through assembly. Record the turbidity of the sample

displayed after the entire 500 ml sample has been poured into the assembly and the flow to drain has

ceased, and after the reading has stabilized.

4. If you are measuring and comparing more than one sample, pressing ENTER key will store the reading

(displayed on the lower row of the display). In addition, if you have selected printer output in the customer

setup section pressing ENTER key will output data to RS232 port.

5. Repeat steps 2 through 4 for all of your samples.

The sample cuvette used in the pour through assembly is identical to the two standard sample cuvettes supplied

with the CyberScan TB1000. Clean the cuvette on a periodic basis according to your experience with the type

and turbidity of the sample found in your facility.

5 Calibration Procedures

The CyberScan TB1000 Turbidimeter has been factory-calibrated using Eutech Instruments calibration standards

that are traceable to the primary turbidity calibration standard, Formazin. It is possible to use the instrument

directly out of the box. However, re-calibration of the instrument using the calibration set included is

recommended to allow you to become familiar with the operation of the instrument and the calibration procedures.

Eutech Instruments recommends that you use the following materials during calibration to

achieve the accuracy stated in this manual:

1. De-ionized water filtered through a 0.2 µm filter, or 0.02 NTU Calibration Standard

2. 10.0 NTU Calibration Standard

3. 1000 NTU Calibration Standard

Under normal conditions, re-calibration is recommended at least once every three months. You can

select a predetermined calibration interval (see section 5.3) for automatic prompting for calibration: if

you exceed the selected calibration interval, the "Cal" block will flash until the instrument is re-

calibrated.

NOTE: It is well known that diluted Formazin is unstable. If you choose to use Formazin to calibrate the

CyberScan TB1000, ensure that you are using a fresh stock suspension of Formazin to achieve the accuracy

quoted for the CyberScan TB1000. The Eutech Instruments calibration standards are more stable than Formazin

and have a shelf life of 1 year. If you use the stable Eutech Instruments calibration standards to calibrate the

instrument, review the expiration date to ensure that the standards have not expired.

NOTE: The CyberScan TB1000 must be re-calibrated after lamp replacement.

5.1 Indexing the Calibration Standard(s)

The United States Environmental Protection Agency (US EPA) recommends that cuvettes used for instrument

calibration or sample measurement be indexed. To comply with this recommendation, each Eutech Instruments

calibration standard is supplied with an indexing ring and each CyberScan TB1000 is supplied with an indexing

pin for quick and repeatable indexing of the calibration standard. The white indexing pin is installed on the collar

ring around the optical well.

CyberScan TB1000

To index a calibration standard perform the following steps:

1. Slowly rotate the calibration standard one complete revolution (360°).

2. While rotating the standard, observe the CyberScan TB1000 and locate the cuvette position with the

lowest turbidity reading.

3. With the calibration standard positioned at the location having the lowest turbidity reading, install the

Indexing Ring over the black light shield on the standard so that the pointer of the Ring aligns with the

Indexing Pin.

5.2 Calibration Procedure

Even though it is possible to calibrate the CyberScan

TB1000 using any sequence of the prescribed calibration

standards, to achieve the stated accuracy you must use

the procedure below to calibrate instrument.

1. Press CAL key. Once this key is pushed the

“Ident” block and the “Cal” block will illuminate on

the display.

2. The turbidity value displayed in the lower row of

the display should read 1000 NTU. This is the

first standard that must be used in calibration.

Insert the 1000 NTU calibration standard into the

sample well (see figure 3) by aligning the notch

and the indexing pin (see section 5.1 if you have

not already indexed the standard) and wait for the

reading to stabilize.

3. Press ENTER key when the standard is in

position. After the enter key has been pressed,

the instrument will calibrate on the 1000 NTU level

(the “Store” block will flash) and the upper row of

the display should display 1000 NTU. The lower

row of the display now shows that the 10.0 NTU

calibration standard should be placed in the sample well for continuing calibration sequence.

4. Insert the indexed 10.0 NTU calibration standard into the sample well by aligning the notch and the

indexing pin (see section 5.1 if you have not already indexed the standard) and wait for the reading to

stabilize.

5. Press ENTER key when the standard is in position. After the enter key has been pressed, the instrument

will calibrate on the 10.0 NTU level (the “Store” block will flash) and the upper row of the display should

display 10.0 NTU. The lower row of the display now shows that the 0.02 NTU calibration standard should

be placed in the sample well for continuing the calibration sequence and wait for the reading to stabilize.

6. Insert the indexed 0.02 NTU calibration standard into the sample well by aligning the notch and the

indexing pin (see section 5.1 if you have not already indexed the standard).

7. Press ENTER key when the standard is in position. After the ENTER key has been pressed, the

instrument will calibrate on the 0.02 NTU level. The instrument automatically exits out of the calibration

mode and then returns to the normal automatic mode. The display should read 0.02 NTU since this is the

turbidity level of the standard that is still in the sample well. At this point, you have calibrated the

instrument so that it measures accurately across the full range of the instrument.

8. Proceed to use the instrument normally.

NOTE: During calibration, the CyberScan TB1000 will perform some system self-diagnostics. Several error

messages may be displayed. If there is an error, one of the four error messages E01, E02, E03, and E04 will be

displayed in the lower row of the display (see section 7.2).

NOTE: At any point in time during calibration, you can cycle through the required calibration points (0.02 NTU,

10 NTU, and 1000 NTU) by pressing either ▲or ▼keys to individually calibrate with a particular calibration

standard. If you wish to exit the calibration mode you may do so at any time by simply pressing the CAL key.

However, exiting the calibration process without completing the steps for calibration may cause the accuracy of

the instrument to be diminished.

CyberScan TB1000

6 User Selectable Parameters

The CyberScan TB1000 provides you the ability to customize your instrument according to your needs at any time

during normal operation. This section describes how you can customize your instrument.

NOTE:You cannot access any of the user selectable parameters during calibration.

Enter the customer selectable parameter section of CyberScan TB1000 by simultaneously pressing ▲key while

holding down the ▼key when the instrument is operating in the normal automatic mode. The "Year" block will be

highlighted and the year will be displayed.

NOTE: To skip the selection of any parameter, simply press ENTER key to continue on to the next section.

6.1 Setting the Year

With the "Year" block highlighted and the year displayed, change the displayed year using ▲or ▼keys. When

you have selected the proper year press ENTER key to accept the year.

6.2 Setting the Day and Month

After pressing the ENTER key, the "Day.Month" block will be displayed and you will see two numbers on the

lower row of the display. The number flashing corresponds to the month. Select the correct month by pressing ▲

or ▼key to change the displayed month. When you have selected the proper month, press ENTER key. After

pressing the ENTER key, the "Day.Month" block will still be displayed and the second number on the lower row

of the display will be flashing: this number corresponds to the day of the month. Select the correct day by

pressing ▲or ▼keys to change the displayed day. When you have selected the proper day, press the ENTER

key.

NOTE: The CyberScan TB1000 is year 2000 (Y2K) compliant and automatically adjusts for leap years.

6.3 Setting the Time

After pressing the ENTER key, the "Time" block will be displayed and

you will see the time displayed on the lower row of the display in 24

hour format. The number flashing corresponds to the hour. Select the

correct hour by pressing ▲or ▼key to change the displayed hour.

When you have selected the proper hour, press the ENTER key. After

pressing the ENTER key, the" Time" block will still be displayed and the

second number on the lower row of the display will be flashing: this

number corresponds to minutes. Select the correct minutes level by

pressing ▲or ▼key to change the displayed minutes. When you have

selected the proper minutes level, press ENTER key.

6.4 Setting the Calibration Interval

After pressing the ENTER key, the upper row of the display will have the

letters “Int” printed in it. This corresponds to the calibration time

interval. The number in the lower row of the display corresponds to the

number of days that you wish to have between scheduled calibrations

(default is 30 days). Select the desired number of days between

scheduled calibrations by pressing ▲or ▼key to change the displayed

day. In normal automatic mode, if you exceed this number of days

between calibration, the "Cal" block will flash until you re-calibrate the

instrument. When you have selected the desired calibration interval

press ENTER key.

CyberScan TB1000

6.5 Setting the Printing Function

After pressing the ENTER key, the upper row of the display will have the letters “Prt” printed in it. This feature

allows you to turn the printing option on the instrument on or off. Select the desired printing action (on or off) by

pressing ▲or ▼key. When you have selected the proper printing option, press ENTER key.

If you selected to turn off the printing function, pressing ENTER key will return you back to the normal mode of the

instrument. If, on the other hand, you chose to turn on the printing function, pressing ENTER key will cause the

"Baud" block to be highlighted and you can select the correct baud rate for operation of your printer. Select the

desired baud rate (1200, 2400, 4800, or 9600) by pressing ▲or ▼key to change the displayed baud rate. The

other RS 232 parameters are fixed at 2 stop bits, 8 data bits and odd parity. Once you have selected the proper

baud rate, press ENTER key. Pressing the ENTER key will return you back to the normal automatic mode of the

instrument.

By turning on the printing function, you have instructed the instrument to print out specific information. When

ENTER key is pressed during the normal mode, information is output on the sample in the optical well (See

Figure 4). This figure shows the information printed for four different samples. The format of the information is

time, date and turbidity level.

Also, a specific message will be printed out upon exit or completion of the calibration routine (See Figure 5). This

printout shows all of the information that is pertinent to the calibration status of the instrument.

6.6 Completing Selectable Parameters

You have now completed the customer selectable parameter section of the instrument. You can enter this menu

at any time to re-set, or change any of the parameters.

7 Troubleshooting

7.1 System Warning Message(s)

Automatic warning messages are generated by the CyberScan TB1000 to provide you with specific diagnostic

information about the instrument. These messages are for your use and do not reduce the performance of the

instrument.

7.1.1 Flashing “Cal” block

A flashing "Cal" block observed during normal automatic mode indicates that you should recalibrate your

instrument. The factory default is 30 days. Eutech Instruments recommends calibration every 30 days. The

flashing "Cal" block is only a warning and does not mean that the instrument will stop performing accurately. The

"Cal" block will flash until you have recalibrated the instrument.

7.1.2 Flashing “LoBat” block

A flashing “LoBat” block on the display indicates that the backup batteries need to be replaced. Under this

condition, the parameters that are stored in memory (all of the user settable parameters and the instrument

calibration) may be lost under conditions when power is not supplied to the instrument. See section 8.3 for

instructions on replacing the batteries.

7.2 System Error Message(s)

Error messages are generated by the CyberScan TB1000 when it detects problems with the instrument operation.

When these messages are observed and if you do not understand the instructions shown below, contact the

Eutech Instruments Customer Services department to determine a resolution to the problem. An error message is

indicated by the instrument when an "E-0X" is displayed on the lower row of the display. The CyberScan TB1000

has five error codes, each assessing a different component or system of components in the instrument. The

following table lists the error messages and their associated meanings.

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