Hach DRB 200 Bedienungsanleitung

DOC022.97.80188

DRB 200

03/2021, Edition 4

User Manual

Manuel de l'utilisateur

User Manual

Manual do Usuário

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Table of Contents

English...................................................................................................................................................................................................3

Français.............................................................................................................................................................................................. 13

Português.......................................................................................................................................................................................... 33

中文.......................................................................................................................................................................................................43

日本語.................................................................................................................................................................................................. 51

한글.......................................................................................................................................................................................................60

.......................................................................................................................................................................................................... 69

...................................................................................................................................................................................................... 79

Table of Contents

1 Specifications on page 3

2 General information

on page 3

3 Installation on page 5

4 User interface and navigation

on page 7

5 Startup on page 8

6 Operation on page 9

7 Maintenance on page 10

8 Troubleshooting on page 11

9 Replacement parts and

accessories on page 11

Section 1 Specifications

Specifications are subject to change without notice.

Specification Details

Dimensions 25 x 14.5 x 31 cm (9.8 x 5.7 x 12.2 in.)

Weight Single heating block: 2 kg (4.4 lb)

Dual heating block: 2.8 kg (6.17 lb)

Power requirements 100–240 V, +5%/–15%, 50/60 Hz, Protection

Class I

Power input Single heating block: 115 V: 300 VA; 230 V:

450 VA

Dual heating block: 115 V: 600 VA; 230 V:

900 VA

Storage temperature –40 to +60 °C (–40 to +140 °F)

Operating temperature 10 to 45 °C (50 to 113 °F)

Operating humidity 90% (non-condensing)

Temperature range 37 to 165 °C (98.6 to 329 °F)

Timer: 0 to 480 minutes

Temperature stability ± 2 °C (± 3.5 °F)

Specification Details

Heating rate From 20 to 150 °C (68 to 302 °F) in

10 minutes

Certification CE and cTUVus

Section 2 General information

In no event will the manufacturer be liable for direct, indirect, special,

incidental or consequential damages resulting from any defect or

omission in this manual. The manufacturer reserves the right to make

changes in this manual and the products it describes at any time, without

notice or obligation. Revised editions are found on the manufacturer’s

website.

2.1 Safety information

NOTICE

The manufacturer is not responsible for any damages due to

misapplication or misuse of this product including, without limitation,

direct, incidental and consequential damages, and disclaims such

damages to the full extent permitted under applicable law. The user is

solely responsible to identify critical application risks and install

appropriate mechanisms to protect processes during a possible

equipment malfunction.

Please read this entire manual before unpacking, setting up or operating

this equipment. Pay attention to all danger and caution statements.

Failure to do so could result in serious injury to the operator or damage

to the equipment.

Make sure that the protection provided by this equipment is not impaired.

Do not use or install this equipment in any manner other than that

specified in this manual.

English 3

2.1.1 Use of hazard information

DANGER

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.

CAUTION

Indicates a potentially hazardous situation that may result in minor or

moderate injury.

NOTICE

Indicates a situation which, if not avoided, may cause damage to the

instrument. Information that requires special emphasis.

2.1.2 Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or

damage to the instrument could occur if not observed. A symbol, if noted

on the instrument, will be included with a danger or caution statement in

the manual.

This symbol, if noted on the instrument, references the

instruction manual for operation and/or safety information.

Electrical equipment marked with this symbol may not be

disposed of in European domestic or public disposal

systems. Return old or end-of-life equipment to the

manufacturer for disposal at no charge to the user.

This symbol indicates that the marked item can be hot and

should not be touched without care.

This symbol indicates that the marked item requires a

protective earth connection. If the instrument is not supplied

with a ground plug on a cord, make the protective earth

connection to the protective conductor terminal.

2.2 Product overview

This instrument has one or two heating blocks that increase the

temperature of solutions in round sample cells to a specified temperature

for a specified time period (Figure 1). There are six stored temperature

programs and three temperature programs that are configured by the

user and saved.

4 English

Figure 1 Front view

1 Protective cover 3 Display 5 Left heating block

2 Right heating

block

4 Keys

Section 3 Installation

3.1 Install the protective covers

W A R N I N G

Shock and Burn Hazard. The protective cover must be

installed to prevent personal injury. The protective cover

prevents burns and power cord contact with the heating

block.

Refer to the illustrated steps that follow.

English 5

1 2

6 English

Section 4 User interface and navigation

4.1 User interface

The instrument is operated using three keys that are located below the

display (Figure 2). The function of each key is shown on the display. If

no function is shown for a key, that key is not currently active.

Figure 2 Keypad description

1 Display 3 Middle key

2 Right key 4 Left key

4.2 Display description

Figure 3 Screen display when a program is active on the left

heating block only

1 Thermometer symbol 5 Left heating block

2 Temperature of heating block 6 Remaining time

3 Right heating block 7 Timer symbol

4 Down arrow key (use to select

program)

English 7

Table 1 Thermometer symbols

Symbol Description

The heating block is increasing in

temperature.

The heating block is at the

selected temperature.

The heating block is decreasing in

temperature.

Section 5 Startup

5.1 Turn the instrument on

NOTICE

Do not turn the instrument off and on quickly as this can damage the

instrument. Always wait about 20 seconds before turning the

instrument on again.

1. Put the instrument on a stable, level, heat-resistant surface.

2. Connect the power cord to the power plug on the back of the

instrument.

3. Connect the power cord to a power socket with earthing contact.

4. Push the power switch on the back of the instrument to turn the

instrument on.

5.2 Select the language

To change the default language setting (English):

1. Hold down the left key and turn the instrument on.

2. Push the right arrow key to scroll through the menu. The display

goes back to the start of the menu at the end of the menu.

3. When the correct language is shown, push the key for the language.

Refer to Table 2.

Table 2 Language settings

Setting Language Setting Language

GB English E Spanish

D German NL Dutch

F French S Swedish

I Italian PL Polish

5.3 Set the display contrast

1. Hold down the middle key and turn the instrument on.

2. Push or hold down the up and down arrow keys to change the

contrast value.

3. Push OK to save the change.

8 English

Section 6 Operation

DANGER

Chemical exposure hazard. Obey laboratory safety

procedures and wear all of the personal protective equipment

appropriate to the chemicals that are handled. Refer to the

current safety data sheets (MSDS/SDS) for safety protocols.

6.1 Routine operation

CAUTION

Burn Hazard. Do not put a finger in an opening in the heating

block. Close the protective cover before increasing the

temperature of the heating block, and always keep the

protective cover closed during operation.

CAUTION

Burn Hazard. Sample cells are hot. Wear thermal insulating

material (e.g., gloves or finger cots). Do not remove a sample

cell that is greater than 80 °C. Do not put a sample cell that is

greater than 80 °C in a colorimeter.

CAUTION

Chemical Hazard. If a sample cell breaks, do not let the liquid

touch skin. Use a fume hood as necessary to remove

chemical fumes.

CAUTION

Chemical exposure hazard. Dispose of chemicals and wastes

in accordance with local, regional and national regulations.

NOTICE

To prevent sample cell and instrument damage, keep the openings in

the heating block dry. Dry the outside of sample cells fully.

NOTICE

To prevent instrument damage, immediately disconnect power if an

accidental spill occurs or a sample cell breaks, then clean the

instrument. Refer to Clean the instrument on page 10.

NOTICE

Do not cover the ventilation slits in the protective cover. The instrument

and sample cells may become too hot and decrease the accuracy of

measurement.

1. Prepare the test sample cells as specified in the analysis procedure.

2. Close the sample cells with the cap.

3. Dry the outside of the sample cells fully.

4. Turn the instrument on and open the protective cover. The last

temperature program(s) selected is shown on the display.

5. If using 16 mm tubes with a heating block with 20 mm openings, put

reducing adapters in the openings.

6. Select the correct temperature program (and digestion period if

applicable) using the keys, then push Start. Refer to Stored

programs on page 9. The temperature program is selected

independently for each heating block when there are two heating

blocks.

Note: To stop a program, push the key below the program two times.

7. When the heating block is at the selected temperature (two beeps

are heard), put the test sample cells in the correct heating block and

close the protective cover.

8. Push Start to start the program.

The time counts down to zero (0). When the digestion program is

completed, three beeps are heard and the heater turns off.

6.2 Stored programs

Table 3 gives descriptions of the stored temperature programs.

English 9

Table 3 Stored programs

Program Description

COD Increases the temperature of the sample cells to 150 °C for

120 minutes. In the cooling phase, four beeps are heard

when the sample cells are at 120 °C. Remove and carefully

invert the sample cells several times, before letting them

decrease in temperature in a rack.

TOC Increases the temperature of the sample cells to 105 °C for

120 minutes. The TOC temperature program can be used

for all Hach TOC sample cell tests.

100 °C Increases the temperature of the sample cells to 100 °C for

30, 60 or 120 minutes. For example, the “100 °C,

60 minutes” temperature program is used to:

• Digest samples using the Metals Prep Set

• Identify phosphate and chromium

• Digest heavy metals

105 °C Increases the temperature of the sample cells to 105 °C for

30, 60 or 120 minutes.

150 °C Increases the temperature of the sample cells to 150 °C for

30, 60 or 120 minutes.

165 °C Increases the temperature of the sample cells to 165 °C for

30, 60 or 120 minutes.

6.3 User programs

The DRB 200 has three temperature programs that are configured by

the user (PRG1–PRG3).

To configure a user temperature program:

1. Select a user temperature program using the keys.

2. Push Prog to enter programming mode.

3. Select a 4-character name for the program. Push the left key to

change the character. Push the right arrow key to move the cursor to

the next position. Push OK to save the change.

4. Push or hold down the up and down arrow keys to set the

temperature (37 to 165 °C). Push OK to save the change.

5. Push or hold down the up and down arrow keys to set the time (0 to

480 minutes). Push OK to save the change.

6. Push OK to save the program.

Section 7 Maintenance

CAUTION

Multiple hazards. Only qualified personnel must conduct the

tasks described in this section of the document.

NOTICE

Do not disassemble the instrument for maintenance. If the internal

components must be cleaned or repaired, contact the manufacturer.

7.1 Clean the instrument

Keep the instrument clean to get continuous and accurate operation.

CAUTION

Fire hazard. Do not use flammable agents to clean the

instrument.

CAUTION

Burn hazard. Do not clean the instrument when it is hot.

10 English

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