Hach POCKET TURBIDIMETER Bedienungsanleitung

52600-18

POCKET TURBIDIMETER™

Analysis System

iii

CERTIFICATION

Hach Company certifies this instrument was tested thoroughly, inspected

and found to meet its published specifications when it was shipped from

the factory. The Pocket Turbidimeter Instrument has been tested and is

certified as indicated to the following instrumentation standards:

Immunity:

EN 50082-1:1997 (Generic Immunity Standard) per 89/336/EEC

EMC: Supporting test records by Hach Company, certified compliance

by Hach Company.

Required Standard/s include:

EN 61000-4-2 (IEC 1000-4-2) Electro-Static Discharge

EN 61000-4-3 (IEC 1000-4-2) Radiated RF Electro-Magnetic Fields

ENV 50204 Radiated Electro-Magnetic Field from Digital Telephones

Additional Standard/s include:

ENV 50204 “1995” Radiated Electro-Magnetic Field from

Digital Telephones

Emissions:

EN 50081-1 (Generic Emission Standard) per 89/336/EEC EMC:

Supporting test records by Intellistor O.A.T.S., certified compliance by

Hach Company.

Required European Standard/s include:

EN 55011 (CISPR 11) Emissions, Class B Limits

Additional Emissions Standard/s include:

CANADIAN INTERFERENCE-CAUSING EQUIPMENT

REGULATION, IECS-003, Class A: Supporting test records by

Intellistor O.A.T.S., certified compliance by Hach Company.

This Class A digital apparatus meets all requirements of the Canadian

Interference-Causing Equipment Regulations.

Cet appareil numérique de la classe A respecte toutes les exigences du

Règlement sur le matériel brouilleur du Canada.

FCC PART 15, Class “A” Limits: Supporting test records by Intellistor

O.A.T.S., certified compliance by Hach Company.

This device complies with Part 15 of the FCC Rules. Operation is subject

to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may

cause undesired operation.

Changes or modifications to this unit not expressly approved by the

party responsible for compliance could void the user’s authority to

operate the equipment.

This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a

commercial environment.

This 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 his own expense. The following techniques of reducing

the interference problems are applied easily.

1. Remove power from the Pocket Turbidimeter Instrument by removing

one of its batteries to verify that it is or is not the source of the

interference.

2. Move the Pocket Turbidimeter Instrument away from the device

receiving the interference.

3. Reposition the receiving antenna for the device receiving

the interference.

4. Try combinations of the above.

vii

TABLE OF CONTENTS

CERTIFICATION.................................................................................. iii

SAFETY PRECAUTIONS..................................................................... ix

SPECIFICATIONS................................................................................. xi

OPERATION........................................................................................ 1

General Description.................................................................................. 3

Principle of Operation............................................................................... 5

Battery Installation.................................................................................... 6

Preparing the Pocket Turbidimeter Sample Cell ...................................... 9

Oiling the Pocket Turbidimeter Sample Cell.......................................... 11

Indexing the Sample Cell........................................................................ 12

Using StablCal®Stabilized Standards..................................................... 13

Instructions for Preparing StablCal Stabilized Formazin Standards ...... 13

Precautions for Use of Standards............................................................ 15

Controlling Ambient Light ..................................................................... 16

viii

CALIBRATION.................................................................................... 17

Calibration Helpful Hints........................................................................ 17

CALIBRATION PROCEDURE.......................................................... 19

MEASURING TURBIDITY PROCEDURE...................................... 25

MAINTENANCE.................................................................................. 29

Helpful Hints........................................................................................... 29

Cleaning the Sample Cells and Caps...................................................... 31

GENERAL INFORMATION .............................................................. 37

PARTS AND ACCESSORIES............................................................... 39

WARRANTY ......................................................................................... 41

REPAIR SERVICE................................................................................. 43

TABLE OF CONTENTS, continued

SAFETY PRECAUTIONS

As part of good laboratory practice, please become familiar with the

reagents used in these procedures. Read all product labels and the MSDS

(Material Safety Data Sheets) before using any chemicals. Please contact

Hach with questions about reagents or procedures.

Use of Hazard Information

If multiple hazards exist, the signal word corresponding to the greatest

hazard shall be used.

DANGER

Indicates an imminently hazardous situation

which, if not avoided, will result in death or serious injury

CAUTION

Indicates a potentially hazardous situation that may result in minor or moderate injury

NOTE

Information that requires special emphasis.

Precautionary Labels

Please pay particular attention to labels and tags attached to the

instrument. Personal injury or damage to the instrument could occur if not

observed.

This symbol, if noted on the instrument, references the Instruction

Manual for operational and/or safety information.

Battery Installation on page 6.

The Pocket Turbidimeter Instrument is a Class 1 LED product. A Class 1

LED product has insufficient energy to be considered an eye hazard.

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