1. Introducció
The HORIBA LAQUA EC220-K is a robust, handheld, and waterproof meter designed for precise water quality testing in various environments. This device accurately measures conductivity (EC), resistivity (RES), salinity (SAL), total dissolved solids (TDS), and temperature. Its durable construction and user-friendly features make it suitable for both laboratory and outdoor field applications.
Les característiques clau inclouen:
- Disseny impermeable: IP67 rated for dust and water resistance, ensuring reliability in challenging conditions.
- Funcionalitat avançada: Offers automatic and manual EC calibration, adjustable reference temperature, temperature coefficient, cell constant, and selectable measurement units.
- Expansive Measurement Ranges: Capable of measuring conductivity, resistivity, salinity, total dissolved solids, and temperature with high resolution and accuracy.
- Construcció duradora: Features a shock and scratch-resistant non-slip casing, a built-in electrode stand, and a foldable meter stand.
- User-friendly Features: Includes auto log data, built-in memory for up to 500 data points, auto stable, auto hold, real-time measurement modes, and a custom LCD with backlight for clear readings.
2. Informació de seguretat
Please read and understand all safety precautions before operating the HORIBA LAQUA EC220-K meter. Failure to do so may result in injury or damage to the instrument.
- Do not attempt to disassemble or modify the meter. This may void the warranty and cause damage.
- Ensure the battery compartment is securely sealed to maintain the IP67 rating, especially when operating in wet conditions.
- Handle the sensor with care. Avoid dropping or subjecting it to excessive force.
- Keep the meter and sensor away from strong magnetic fields or corrosive chemicals unless specifically designed for such exposure.
- Use only specified batteries (2 AA) for operation.
3. Contingut del paquet
Verifiqueu que hi hagi tots els elements en desempaquetar:
- HORIBA LAQUA EC220-K Meter
- EC Sensor (Model 9383-10D)
- Calibration Solutions (as packaged)
- 2 piles AA
- Manual d'instruccions
- Maleta de transport
4. Producte acabatview

The image displays the HORIBA LAQUA EC220-K handheld meter in black, with its digital LCD showing 'COND', '25.0°C ATC', and a reading of '1413 µS/cm'. The meter features control buttons for CAL, MEAS, DATA, MODE, SET, ENT, and power. An EC sensor, labeled HORIBA, is connected to the right side of the meter.
4.1. Meter Components
- Pantalla LCD: Shows measurement readings, temperature, battery status, and operational icons.
- Botó CAL: Initiates calibration mode.
- Botó MEAS: Switches to measurement mode.
- DATA Button: Accesses stored data.
- Botó MODE: Cycles through measurement parameters (EC, TDS, SAL, RES).
- Botó SET: Enters setup menu for advanced settings.
- ENT Button: Confirms selections or enters values.
- Fletxes amunt/avall: Navega pels menús i ajusta els valors.
- Botó d'encesa: Turns the meter on or off.
- Entrada del sensor: Port for connecting the EC sensor.
5. Configuració
5.1. Instal·lació de la bateria
- Localitzeu la tapa del compartiment de la bateria a la part posterior del mesurador.
- Use a coin or screwdriver to open the cover.
- Introduïu dues (2) piles AA, assegurant-vos de la polaritat correcta (+/-).
- Tanqueu bé la tapa del compartiment de la bateria per mantenir el segellat impermeable.
The meter is designed for over 500 hours of continuous operation on a fresh set of batteries.
5.2. Connexió del sensor
- Align the connector of the EC sensor (9383-10D) with the sensor input port on the top right side of the meter.
- Gently push and twist the connector clockwise until it is securely fastened. Do not overtighten.
- Ensure the sensor is clean and free from air bubbles before use.
6. Instruccions de funcionament
6.1. Encendre/apagar
Premeu el botó Poder button (bottom right) to turn the meter on or off.
6.2. Calibració
Regular calibration ensures accurate measurements. The EC220-K supports automatic and manual calibration for EC, TDS, and Salinity.
- Premeu el botó CAL botó per entrar al mode de calibratge.
- Follow the on-screen prompts to select the appropriate calibration standard solution.
- Immerse the sensor in the standard solution. The meter will detect the solution and perform automatic calibration.
- For manual calibration or adjustment of reference temperature, temperature coefficient, or cell constant, use the SET button and arrow keys.
- Confirm calibration with the ENT botó.
6.3. Mesurament
After calibration, the meter is ready for measurement.
- Premeu el botó MEAS button to enter measurement mode.
- Premeu el botó MODE button to cycle through measurement parameters: Conductivity (EC), Total Dissolved Solids (TDS), Salinity (SAL), and Resistivity (RES). Temperature is displayed concurrently.
- Submergeix el sensor al sample solution. Ensure the sensor tip is fully submerged and free of air bubbles.
- Wait for the reading to stabilize. The 'Auto Stable' feature will indicate when the reading is stable.
- The meter can display temperature in both Celsius (°C) and Fahrenheit (°F), adjustable in the settings.
6.4. Data Logging and Memory
The LAQUA EC220-K can store up to 500 data points.
- To save a measurement, press the ENT button when a stable reading is displayed.
- Per tornarview dades emmagatzemades, premeu la tecla DADES button. Use the arrow keys to navigate through the records.
- The 'Auto Log Data' feature can be enabled in the settings for automatic data recording at set intervals.
6.5. Configuració
Access advanced settings by pressing the SET button. Here you can adjust:
- Temperatura de referència
- Coeficient de temperatura
- Constant cel·lular
- Measurement Units (e.g., µS/cm, mS/cm, ppm, ppt, °C, °F)
- TDS Conversion Factor (four curves available)
- Salinity Calibration Curves (two curves available)
- Durada de la llum de fons
- Auto Power Off settings
7. Manteniment
7.1. Meter Cleaning
Wipe the meter body with a soft, damp drap. No utilitzeu productes de neteja abrasius ni dissolvents. Assegureu-vos que el compartiment de la bateria estigui segellat abans de netejar-lo.
7.2. Sensor Care and Cleaning
- Rinse the sensor thoroughly with distilled or deionized water after each use.
- If the sensor is visibly dirty or readings become erratic, clean it according to the sensor-specific instructions provided with the electrode.
- Store the sensor in its protective cap with appropriate storage solution, if specified, to prevent drying out.
7.3. Emmagatzematge
When not in use for extended periods, remove the batteries from the meter. Store the meter and sensor in the provided carrying case in a cool, dry place.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El comptador no s'encén | Bateries gastades o mal instal·lades | Canvieu les piles, assegurant-vos de la polaritat correcta. |
| Lectures inexactes | Sensor dirty or needs calibration; incorrect settings | Clean sensor, recalibrate the meter, check reference temperature and cell constant settings. |
| Display shows 'Err' or '---' | Sensor not connected; measurement out of range | Ensure sensor is securely connected. Check if the sample is within the meter's measurement range. |
| Temps de resposta lent | Sensor contamination or aging | Clean the sensor thoroughly. If the problem persists, the sensor may need replacement. |
9. Especificacions
| Paràmetre | Detall |
|---|---|
| Model | LAQUA EC220-K |
| Paràmetres de mesura | Conductivity (EC), Resistivity (RES), Salinity (SAL), Total Dissolved Solids (TDS), Temperature |
| Classificació impermeable/resistent a la pols | IP67 |
| Tipus de visualització | Custom LCD with Backlight |
| Font d'alimentació | 2 x piles AA |
| Durada de la bateria | Més de 500 hores |
| Memòria de dades | Fins a 500 punts de dades |
| Calibració | Automatic and Manual EC Calibration, 4 TDS curves, 2 Salinity curves |
| Paràmetres ajustables | Reference Temperature, Temperature Coefficient, Cell Constant, Measurement Units |
| Material de l'habitatge | Plastic (Shock and scratch-resistant non-slip casing) |
| Components inclosos | Meter and Sensor (9383-10D) |
| Longitud de l'element | 7 polzades |
| Fabricant | HORIBA |
10. Garantia i Suport
The HORIBA LAQUA EC220-K meter comes with a 3 any de garantia from the date of purchase, covering manufacturing defects. The sensor may have a separate warranty period; please refer to the sensor's specific documentation.
For technical support, service, or warranty claims, please contact HORIBA customer service or visit the official HORIBA Store on Amazon o el seu oficial weblloc per obtenir informació de contacte.





