horiba LAQUA-DO2000 User manual

Instruction Manual
Benchtop pH/ORP/Ion/DO/BOD Meter
LAQUA-DO2000
LAQUA-PD2000

I
CODE:3200947008 - GZ0000671681
July, 2022 © 2022 HORIBA Advanced Techno Co., Ltd.
■Preface
This manual describes the operation of the following instrument.
Be sure to read this manual before using the product to ensure proper and safe operation of
the product. Also, safely store the manual so it is readily available whenever necessary.
Product specifications and appearance as well as the contents of this manual are subject to
change without notice.
• Warranty and responsibility
HORIBA Advanced Techno Co., Ltd. warrants that the product shall be free from defects in
material and workmanship and agrees to repair or replace free of charge, at option of HORIBA
Advanced Techno Co., Ltd., any malfunctioned or damaged product attributable to
responsibility of HORIBA Advanced Techno Co., Ltd. for a period of three (3) years from the
delivery unless otherwise agreed in a written statement. In any one of the following cases,
none of the warranties set forth herein shall be extended:
• Any malfunction or damage attributable to improper operation
• Any malfunction attributable to repair or modification by any person not authorized by
HORIBA Advanced Techno Co., Ltd.
• Any malfunction or damage attributable to the use in an environment not specified in this
manual
• Any malfunction or damage attributable to violation of the instructions in this manual or
operations in the manner not specified in this manual
• Any malfunction or damage attributable to any cause or causes beyond the reasonable
control of HORIBA Advanced Techno Co., Ltd. such as natural disasters
• Any deterioration in appearance attributable to corrosion, rust and so on
• Replacement of consumables
HORIBA Advanced Techno Co., Ltd. SHALL NOT BE LIABLE FOR ANY DAMAGES
RESULTING FROM ANY MALFUNCTIONS OF THE PRODUCT, ANY ERASURE OF DATA,
OR ANY OTHER USES OF THE PRODUCT.
• Trademarks
• Microsoft, Windows, Windows Vista are registered trademarks or trademarks of Microsoft
Corporation in the United States and other countries.
• Other company names and brand names are either registered trademarks or trademarks of
the respective companies. (R), (TM) symbols may be omitted in this manual.
Brand: LAQUA
Series name: LAQUA 2000 Series Benchtop Water Quality Meters
Model: LAQUA-DO2000, LAQUA-PD2000
Model description: pH/ORP/Ion/DO/BOD Benchtop Meter

II
MEMO

Regulations
III
■Regulations
• EU and UK Regulations
• Conformable Standards
This equipment conforms to the following standards:
Warning: This product is not intended for use in industrial environments. In an
industrial environment, electromagnetic environmental effects may
cause the incorrect performance of the product in which case the
user may be required to take adequate measures.
• Installation Environment:
This product is designed for the following environment.
• Overvoltage category II
• Pollution degree 2
• Maximum operating altitude : 2000 m above sea level
• Range of application : For indoor use
EMC: EN61326-1
Class B, Basic electromagnetic environment
Safety: EN61010-1
RoHS: EN IEC 63000
9. Monitoring and control instruments including
industrial monitoring and control instruments
EMC: BS EN 61326-1
Class B, Basic electromagnetic environment
Safety: BS EN 61010-1
RoHS: BS EN IEC 63000
9. Monitoring and control instruments including
industrial monitoring and control instruments

Regulations
IV
• Information on disposal of electrical and electronic equipment and disposal
of batteries and accumulators
The crossed out wheeled bin symbol with underbar shown on the product or accompanying
documents indicates the product requires appropriate treatment, collection and recycle for
waste electrical and electronic equipment (WEEE) under the Directive 2012/19/EU, and/or
waste batteries and accumulators under the Directive 2006/66/EC in the European Union.
The symbol might be put with one of the chemical symbols below. In this case, it satisfies
the requirements of the Directive 2006/66/EC for the object chemical. This product should not
be disposed of unsorted household waste. Your correct disposal of WEEE, waste batteries and
accumulators will contribute to reducing wasteful consumption of natural resources, and
protecting human health and the environment from potential negative effects caused by
hazardous substance in products.
Contact your supplier for information on applicable disposal methods.
• Authorised Representative in EU
HORIBA Europe GmbH
Hans-Mess-Str.6, D-61440
Oberursel, Germany
• Authorized Representative in UK
HORIBA UK Limited
Kyoto Close Moulton Park
NN3 6FL Northampton, UK
Tel: [phone]
• FCC Rules
FCC Compliance Statement
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.
Responsible Party for FCC matter
HORIBA Instruments Incorporated
Head Office
9755 Research Drive
Irvine, California 92618 USA
[phone]

Regulations
V
Note
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.
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
• Korea certification
• China regulation
标记的意义
Meaning of Marking
本标记适用在中华人民共和国销售电器电子产品，标记中央的数字
表示环境保护使用期限的年数。( 不是表示产品质量保证期间。)
只要遵守这个产品有关的安全和使用注意事项，从制造日开始算起
在这个年限内，不会给环境污染、人体和财产带来严重的影响。请
不要随意废弃本电器电子产品。
This marking is applied to electric and electronic products sold in
the People's Republic of China. The figure at the center of the
marking indicates the environmental protection use period in
years. (It does not indicate a product guarantee period.) It
guarantees that the product will not cause environment pollution
nor serious influence on human body and property within the
period of the indicated years which is counted from the date of
manufacture as far as the safety and usage precautions for the
product are observed. Do not throw away this product without any
good reason.
产品中有害物质的名称及含量

Regulations
VI
Name and amount of hazardous substance used in a product
*1: 本部件的环保使用期限为10年。 The environmental protection use period
of this product is 10 years.
*2: 选配件 Optional products
部件名称
Unit name
有害物质
Hazardous substances
铅
Lead
(Pb)
汞
Mer-
cury
(Hg)
镉
Cad-
mium
(Cd)
六价铬
Hexa-
valent
chromium
(Cr (VI))
多溴联苯
Poly
bromobi-
phenyl
(PBB)
多溴二苯醚
Poly
bromo-
diphenyl
ether
(PBDE)
本体
Main unit ×○○ ○ ○ ○
AC 适配器
AC adapter*1,*2 ×○○ ○ ○ ○
电缆
Cable*2 ×○○ ○ ○ ○
支架
Stand*2 ○○○ ○ ○ ○
打印机
Printer*2 ×○○ ○ ○ ○
电极
Electrode*2 ×○×○○ ○
本表格依据 SJ/T 11364 的规定编制。
This form is prepared in accordance with SJ/T 11364.
○:表示该有害物质在该部件所有均质材料中的含量均在 GB/T 26572 规定的限量要
求以下。
Denotes that the amount of the hazardous substance contained in all of the
homogeneous materials used in the component is below the limit on the acceptable
amount stipulated in the GB/T 26572.
×: 表示该有害物质至少在该部件的某一均质材料中的含量超出 GB/T 26572 规定的
限量要求。
Denotes that the amount of the hazardous substance contained in any of the
homogeneous materials used in the component is above the limit on the acceptable
amount stipulated in the GB/T 26572.

For Your Safety
VII
■For Your Safety
• Hazard classification and warning symbols
Warning messages are described in the following manner. Read the messages and follow the
instructions carefully.
• Hazard classification
• Warning symbols
This indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury. This is to be
limited to the most extreme situations.
This indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
This indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
Description of what should be done, or what should be
followed.
Description of what should never be done, or what is
prohibited.

For Your Safety
VIII
• [DEU] Sicherheitsinformation
Lesen Sie vor der Verwendung des Produkts unbedingt diese Anleitung, um den
ordnungsgemäßen
und sicheren Betrieb des Produkts zu gewährleisten. Bewahren Sie die
Anleitung sicher auf, damit sie bei Bedarf jederzeit zur Hand ist.
Die Inhalt dieser Anleitung können ohne Vorankündigung geändert werden.
• Installationsumgebung
Dieses Produkt ist nicht zum Gebrauch in industriellen Umgebungen, wie in EN61326-1
definiert, vorgesehen.
In einer industriellen Umgebung können die elektromagnetischen Störungen eventuell
zu Produktfehlfunktionen führen. Um dieses Produkt unter solchen Umständen verwenden
zu können, muss der Benutzer ggf. angemessene Maßnahmen ergreifen.
Das Produkt ist gemäß EN61010-1 für die folgende Umgebung vorgesehen.
- Überspannungskategorie II
- Verschmutzungsgrad 2
• [FRA] Informations de sécurité
Veillez à lire le présent manuel avant d’utiliser le produit de manière à garantir son utilisation
correcte et sûre.
De même, rangez le manuel dans un lieu sûr de manière à pouvoir
vous y reporter lorsque cela est nécessaire.
Le contenu du présent manuel peut être modifié sans notification préalable.
• Environnement d’installation
Ce produit n'est pas destinés à une utilisation dans des environnements industriels, tels
que définis dans la norme EN61326-1.
Dans un environnement industriel, les interférences électromagnétiques peuvent entraîner
un dysfonctionnement du produit. Pour utiliser le produit dans ce type d’environnements,
l’utilisateur peut avoir à prendre des mesures appropriées.
Le produit est conçu pour l’environnement suivant, tel que défini dans la norme
EN61010-1.
- Catégorie de surtension II
- Degré de pollution 2
• [ITA] Informazioni sulla sicurezza
Leggere attentamente questo manuale prima di utilizzare il prodotto al fine di utilizzarlo
in modo sicuro e adeguato. Inoltre, conservare in un luogo sicuro il manuale per poterlo
consultare se necessario.
Le contenuti di questo manuale sono soggetti a modifiche senza preavviso.

For Your Safety
IX
• Ambiente di installazione
Questo prodotto non è stati progettati per essere utilizzati in ambienti industriali, secondo
la norma EN61326-1.
In un ambiente industriale, le interferenze elettromagnetiche potrebbero causare un
malfunzionamento del prodotto. Per utilizzare il prodotto in tali ambienti, all'utente potrebbe
essere richiesto di adottare le contromisure necessarie.
Il prodotto è designato per il seguente ambiente, definito nello standard EN61010-1.
- Categoria di sovratensione II
- Livello di inquinamento 2
• [SWE] Säkerhetsinformation
Se till att du läser denna handbok innan du börjar använda produkten för en korrekt och
säker användning av den. Spara sedan handboken på en säker och lättåtkomlig plats så
att du kan konsultera den när så behövs.
Innehållet i denna handbok kan komma att ändras utan föregående meddelande därom.
• Installationsmiljö
Detta produkten är ej avsedda för användning i industriella miljöer enligt riktlinjerna i
EN61326-1.
Om den används i industrimiljöer kan de elektromagnetiska störningarna orsaka tekniska
fel hos produkten. Om produkten ska användas i sådana miljöer kan användaren
behöva vidta lämpliga åtgärder för att lösa dessa problem.
Produkten är utformad för användning i följande miljöer, i enlighet med SS-EN 61010-1.
- Överspänningskategori II
- Föroreningsgrad 2
• [SPA] Información de seguridad
Asegúrese de leer este manual antes de utilizar el producto para garantizar un uso
correcto y seguro del mismo. Asimismo, guarde de forma segura el manual para que
esté disponible siempre que sea necesario.
El contenido de este manual están sujetos a cambios sin previo aviso.
• Entorno de instalación
Este producto está diseñado para su uso en entornos industriales, tal y como se define
en EN61326-1.
En un entorno industrial, las interferencias electromagnéticas pueden provocar un
funcionamiento
incorrecto del producto. Para usar el producto en tales entornos, el usuario
debe tomar las medidas adecuadas.
El producto se ha diseñado para el siguiente entorno, definido en EN61010-1.
- Categoría de sobretensión II
- Nivel de contaminación 2

For Your Safety
X
• [POL] Informacje dotyczące bezpieczeństwa
Przed przystąpieniem do użytkowania tego produktu należy dokładnie zapoznaćsięz
niniejsząinstrukcją, aby zapewniona była prawidłowa i bezpieczna eksploatacja produktu.
Instrukcjęprzechowywaćw bezpiecznym miejscu, aby w razie potrzeby była
zawsze dostępna.
Treść niniejszej instrukcji może ulec zmianie bez wcześniejszego powiadomienia.
• Środowisko instalacji
Ten produkt nie sąprzeznaczone do użytkowania w środowisku przemysłowym, zgodnie
z definicjąokreślonąw normie EN61326-1.
W środowisku przemysłowym zakłócenia elektromagnetyczne mogąpowodować
nieprawidłowe działanie produktów. Możliwe, że aby użytkowaćprodukt w takich
środowiskach, użytkownik będzie musiałpodjąć stosowne środki zaradcze.
Produkt jest przeznaczony do użycia w poniższym środowisku zdefiniowanym w normie
EN61010-1.
- Kategoria przepięciowa II
- Stopieńzanieczyszczenia 2
• [NLD] Veiligheidsinformatie
Lees deze handleiding voordat u dit product gebruikt zodat u het op de juiste manier en
veilig kunt gebruiken. Bewaar de handleiding goed zodat u hem wanneer nodig kunt
raadplegen.
De inhoud van deze handleiding kunnen zonder voorafgaande kennisgeving worden
gewijzigd.
• Installatieomgeving
Dit product is niet bedoeld voor gebruik in een industriële omgeving zoals gedefinieerd in
EN 61326-1.
In een industriële omgeving kan de elektromagnetische interferentie de werking van dit
product storen. Voor gebruik van het product in een dergelijke omgeving moet de gebruiker
mogelijk maatregelen treffen om de storing te verhelpen.
Het product is ontworpen voor de volgende omgeving, gedefinieerd in EN 61010-1.
- Overspanningscategorie II
- Vervuilingsgraad 2

For Your Safety
XI
• [JPN] 安全情報
ご使用にな る前に、 本書を必ずお読み く だ さ い。 お読みにな っ た後は必要な と きに
すぐ に取り 出せる よ う に大切に保管し て く だ さ い。
本書に記載 さ れてい る内容は予告な く 変更 さ れる場合があ り ます。 あ ら か じ めご了
承ください。
• 設置環境
本製品は、 EN61326-1 で定義 さ れる工業環境で使用す る こ と を 想定 し た製品では
ありません。
工業環境においては、 電磁妨害の影響を受け る可能性があ り 、 その場合には使用者
が適切な対策を講ずる こ と が必要 と な る こ と があ り ます。
本製品は、 EN61010-1 で定義 さ れる以下の環境用に設計 さ れてい ます。
- 過電圧カ テ ゴ リ ー II
- 汚染度 2

For Your Safety
XII
• Safety precautions
This section provides precautions for using the product safely and correctly and to prevent
injury and damage. The terms of DANGER, WARNING and CAUTION indicate the degree of
immanency and hazardous situation. Read the precautions carefully as it contains important
safety messages.
• Instrument and electrode
Do not disassemble or modify the instrument. Otherwise, it may heat up or be ignited
resulting in a fire or an accident.
Harmful chemicals
Some electrodes are used with hazardous standard solutions. Handle them with care.
The internal solution of pH electrode is highly concentrated potassium chloride (3.33
mol/L KCl). If the internal solution comes in contact with the skin, wash it off
immediately. If it gets into the eyes, flush with plenty of water and then consult a
doctor.
Broken glass
Broken glass may cause injury. The outer tube and tip of an electrode are made of
glass. Handle them with care.
Do not use the phono jack under wet or humid conditions. Otherwise, it may cause a
fire, electric shock, or breakage.
WARNING
CAUTION

Product Handling Information
XIII
■Product Handling Information
• Operational Precautions (instrument)
• Only use the product including accessories for their intended purpose.
• Do not drop or physically impact the instrument.
• The instrument is made of solvent-resistant materials but that does not mean it is resistant
to all chemicals. Do not expose the instrument in strong acid or alkali solution, or wipe with
such solution.
• If the instrument is dropped into water or gets wet, wipe it using soft cloth. Do not heat to
dry it.
• Use fingers to press the operation keys. Do not use a hard object like a metal stick or rod.
• Be careful not to let water inside the instrument. The instrument is not waterproof.
• To disconnect an electrode or serial cable, hold the connector and pull it off. If you pull at
the cable, it may cause breakage.
• The phono jack communication between the instrument and a personal computer (referred
to as PC in the rest of this document) may fail because of environmental conditions, such
as electromagnetic noise.
• Do not use an object with a sharp end to press the keys.
• If the power supply is interrupted while measurement data is being saved in the instrument,
the data could be corrupted.
• Make sure to use the provided power supply cable to power this product.
• Environmental conditions for use and storage
• Temperature: 0°C to 45°C
• Humidity: under 80% relative humidity and free from condensation
• Avoid the following conditions:
• Strong vibration
• Direct sunlight
• Corrosive gas environment
• Locations close to an air-conditioner
• Direct wind
• Dusty Environment
• Transportation
When transporting the instrument, repackage it in the original package box. Otherwise, it may
cause instrument damage.
• Disposal
• Standard solution used for the calibration must be under neutralized before the disposal.
• When disposing of the product, follow the related laws and regulations of your country for
disposal of the product.

Manual Information
XIV
■Manual Information
• Description in this manual
This interprets the necessary points for correct operation and notifies the important
points for handling the product.
This indicates reference information.
Note
Tip

Table of Contents
XV
■Product Overview .................................................................. 1
●Package Content ....................................................................... 1
●Key Features.............................................................................. 2
■Basic Operations ................................................................... 6
●Turning On the Instrument ....................................................... 6
●Connecting an Electrode .......................................................... 6
●Changing the Operation Mode ................................................. 7
●Changing the Measurement Parameter................................... 9
■Calibration.............................................................................. 10
●pH Calibration............................................................................ 10
●ORP/mV Calibration .................................................................. 13
●Ion Calibration ........................................................................... 15
●DO Calibration ........................................................................... 18
●Temperature Calibration........................................................... 23
■BOD Measurement ................................................................ 25
■Data ........................................................................................ 27
●Data Capture and Storage ........................................................ 27
●Data Transfer ............................................................................. 28

Table of Contents
XVI
■Setup ...................................................................................... 29
●P1 pH Setup ............................................................................... 29
●P1 Ion Setup .............................................................................. 34
●P1 DO Setup .............................................................................. 39
●P2 Data Setup ............................................................................ 46
●P3 General Setup ...................................................................... 50
●P4 Clock Setup .......................................................................... 56
■Maintenance and Storage ..................................................... 59
●Contact for Maintenance .......................................................... 59
●Maintenance and Storage of the Instrument .......................... 59
●Maintenance and Storage of Electrodes ................................. 60
■Error Messages and Troubleshooting................................. 63
■Appendix ................................................................................ 68

Product Overview
1
■Product Overview
The LAQUA-DO2000 and LAQUA-PD2000 benchtop meters are optimized for laboratory
measurement. The LAQUA-DO2000 benchtop meter allows you to measure dissolved oxygen
(DO), biochemical oxygen demand (BOD), and temperature while LAQUA-PD2000 benchtop
meter allows you to measure pH, ORP/mV, ion, DO, BOD, and temperature.
This section describes the package content, key features and product components of
LAQUA-DO2000 and LAQUA-PD2000 benchtop meters.
●Package Content
After opening the package, check for damage on the instrument and the standard accessories
all exist. If damage or defects are found on the product, contact your dealer.

Product Overview
2
●Key Features
• Large monochrome LCD
• Integrated electrode holder (up to 2 electrodes) that can be attached to either side of the
meter
• Simple user interface and single parameter display
• 2000 Memory data
• Real time clock
• Automatic Temperature Compensation (ATC) with temperature calibration
• Adjustable auto shut-off time (1 to 30 minutes)
• Auto stable, auto hold, and real time measurement modes with reading stability indicators
• PC (standard USB) / printer (25 pin serial) connection via 2.5 mm diameter phono jack
• Adjustable calibration alarm (1 to 90 days)
• Auto data log with date and time stamp
• Software upgrade
• Password protection for setup mode