Ohaus ST10C-A Pen Meter Instruction Manual

1. Introdución

The Ohaus ST10C-A Pen Meter is designed for simple, fast, and accurate measurement. This economical device offers reliable performance for various applications. Its durable construction and user-friendly features make it suitable for consistent use in diverse environments.

2. Produto rematadoview

The ST10C-A Pen Meter is a compact, handheld device. Key features include a clear digital display, an intuitive on/off button, a protective sensor cap, and a wrist strap for secure handling.

Ohaus ST10C-A Pen Meter displaying '8.8 pH' on its screen, with red caps and a white body.

Figura 1: Ohaus ST10C-A Pen Meter. This image shows the Ohaus ST10C-A Pen Meter. It features a digital display for pH readings, an 'On/Off' button, and a durable, waterproof design with red accents.

The meter's IP67 waterproof ABS housing ensures protection against dust and water ingress, making it suitable for wet conditions. An automatic shutdown feature helps conserve battery life.

3. Configuración

Desembalaxe: Carefully remove the meter and all accessories from the packaging. Inspect for any damage.
Instalación da batería: The meter typically comes with batteries pre-installed or requires simple installation. Refer to the battery compartment cover for instructions on opening and inserting batteries, ensuring correct polarity.
Sensor Preparation: Remove the protective sensor cap. If the sensor appears dry, condition it according to standard pH electrode practices (e.g., soaking in storage solution or pH 7 buffer for a short period).
Calibración inicial: For optimal accuracy, perform an initial calibration using fresh pH buffer solutions (e.g., pH 4.01, 7.00, and 10.01). Follow the calibration procedure outlined in the meter's specific quick start guide or on-screen prompts.

4. Instrucións de funcionamento

Encendido/apagado: Preme o On/Off button located on the front of the meter to turn the device on or off.
Tomando unha medición:
- Ensure the sensor cap is removed.
- Rinse the sensor with distilled water before and after each measurement.
- Sumerxe o sensor no sample solution, ensuring the sensor tip is fully submerged.
- Gently stir the solution to ensure homogeneity and allow the reading to stabilize.
- Read the pH value displayed on the screen once it becomes stable.
Apagado automático: The meter is equipped with an automatic shutdown feature to conserve battery life. It will power off after a period of inactivity.

5. Mantemento

Limpeza do sensor: After each use, rinse the sensor thoroughly with distilled or deionized water. Do not wipe the sensor bulb, as this can cause static charges and damage the sensitive glass.
Almacenamento: Always replace the protective sensor cap after use. Ensure the cap contains a small amount of storage solution (or pH 7 buffer) to keep the sensor hydrated. Never store the sensor dry or in distilled water.
Substitución da batería: When the battery indicator appears on the display, replace the batteries promptly. Refer to the battery compartment for the correct battery type and installation procedure.
Limpeza xeral: The meter's housing can be cleaned with a damp pano. Evite o uso de produtos químicos agresivos ou produtos de limpeza abrasivos.

6 Solución de problemas

Problema	Causa posible	Solución
O contador non se acende.	Baterías gastadas ou instaladas incorrectamente.	Substitúa as pilas, asegurándose de que a polaridade sexa correcta.
Inaccurate or unstable readings.	Sensor is dirty or dry. Calibration is required or incorrect. Temperature difference between sample and buffer.	Clean and rehydrate sensor. Perform a fresh calibration with new buffer solutions. Permitir samples and buffers to reach the same temperature.
Tempo de resposta lento.	Sensor is old or contaminated.	Clean the sensor. If problem persists, consider replacing the sensor.

7. Especificacións

Modelo: ST10C-A
Marca: Ohaus
Vivenda: IP67 waterproof ABS
Características: Protective sensor cap, automatic shutdown, wrist strap
Dimensións: Approximately 15 x 10 x 4 inches (Product dimensions as listed, note this might be packaging size)
Peso: Approximately 2 Pounds (Product weight as listed, might be shipping weight)

Note: Specific measurement ranges, accuracy, and resolution details should be confirmed with the official Ohaus product data sheet.

8. Garantía e soporte

For detailed warranty information, technical support, or service inquiries, please refer to the official Ohaus website or contact your local Ohaus representative. Keep your purchase receipt for warranty claims.

Official Ohaus Websitio: www.ohaus.com

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Ohaus ST10C-A