1. Introducció
The Protmex HT633 is a versatile digital moisture meter designed for accurately measuring moisture content in wood and various building materials. It also provides ambient temperature and humidity readings, making it a comprehensive tool for homeowners, woodworkers, and professionals. This manual provides detailed instructions for safe and effective use of your device.

Image Description: The Protmex HT633 Digital Wood Moisture Meter, displaying its LCD screen and exposed measurement pins, with its protective cap placed beside it.
2. Producte acabatview i Components
2.1 Característiques clau
- Wood Moisture Meter: Detects moisture content in wood and building materials with high precision pins.
- Three-Color Backlit LCD Display: Visual indication of moisture levels (Red for high, Orange for moderate, Green for low).
- Multifunció: Measures ambient humidity and temperature (℉/℃).
- 7 Material Parameters: Built-in settings for various wood and building material types.
- Fàcil d'utilitzar: Large backlit LCD, HOLD button, MAX/MIN function, auto power-off, low battery indicator.
2.2 Disseny del dispositiu

Image Description: A detailed diagram of the Protmex HT633 meter, highlighting its key components such as the probe needles, LCD display, power button, data hold button, temperature/humidity switch, and material category selection button.
- Probe Needles: For penetrating materials to measure moisture.
- Pantalla LCD: 2.26-inch screen with tricolor backlight for clear readings.
- Tecla d'engegada: Encén o apaga el dispositiu.
- Data Hold (H) Button: Congela la mesura actual a la pantalla.
- Temperature/Humidity (℃/℉) Button: Switches between Celsius and Fahrenheit for temperature, and displays ambient humidity.
- Material Category Selection (M) Button: Cycles through the 7 built-in material types.
- Botó MAX/MIN: Displays the maximum or minimum recorded values.
3. Contingut del paquet

Image Description: An unboxed view of the Protmex HT633 moisture meter and its accessories, including batteries, a storage bag, spare pins, and a wrench.
Your Protmex HT633 package should contain the following items:
- 1 x Protmex HT633 Digital Moisture Meter
- 3 piles AAA de 1.5 V
- 1 x bossa d'emmagatzematge
- 1 x Manual d'usuari (aquest document)
- 2 x Spare Measurement Pins
- 1 x Stainless Steel Wrench (for pin replacement)
4. Configuració
- Instal·lació de la bateria: Locate the battery compartment on the back of the device. Open it and insert three 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
- Treure la tapa protectora: Carefully remove the protective cap covering the measurement pins at the top of the device. Keep the cap for safe storage when not in use.
- Encès: Premeu el botó Clau de poder (
) to turn on the meter. The LCD display will illuminate.
5. Instruccions de funcionament
5.1 Encès/Apagat
Premeu el botó Clau de poder to turn the device on. To turn it off, press and hold the Power Key for approximately 2 seconds, or allow the automatic power-off function to engage after 10 minutes of inactivity.
5.2 Unit Selection (℃/℉)
Premeu el botó ℃ / ℉ button to switch the temperature display between Celsius and Fahrenheit. This button also cycles through ambient humidity readings.
5.3 Material Category Selection
The HT633 features 7 built-in material categories to ensure accurate moisture readings for different types of wood and building materials. Press the M button to cycle through these categories (A, B, C, D, E, F, G). Refer to the included quick reference guide for specific material types corresponding to each category.

Image Description: The meter demonstrating its capability to measure moisture in both wood (top) and building materials (bottom).
5.4 Prendre una mesura
- Select the appropriate material category using the M botó.
- Carefully push the measurement pins into the surface of the material you wish to test. Ensure both pins are fully inserted for an accurate reading.
- The moisture content percentage es mostrarà a la pantalla LCD.
- To hold the current reading, press the H botó. Premeu-lo de nou per alliberar-lo.
Video Description: A demonstration of the Protmex HT633 Digital Wood Moisture Meter in use, showing how to power it on, select units, and take moisture readings on both dry and wet wood surfaces. The video highlights the tricolor backlight feature indicating different moisture levels.
5.5 Interpreting Readings (Tricolor Backlight)
The HT633 features a tricolor backlit LCD display that visually indicates the moisture content level:
- Retroiluminació verda: Indicates low moisture content (Dry).
- Orange Backlight: Indicates moderate moisture content (Moist).
- Retroiluminació vermella: Indicates high moisture content (Wet).

Image Description: Three views of the Protmex HT633 display, illustrating the red, orange, and green backlights that signify high, moderate, and low moisture content, respectively.
5.6 Mesura de temperatura i humitat
In addition to material moisture, the device can measure ambient temperature and relative humidity. These readings are displayed on the upper part of the LCD screen. Use the ℃ / ℉ button to toggle between temperature units.

Image Description: The Protmex HT633 meter displaying ambient temperature and humidity, along with their respective measuring ranges and accuracy specifications.
5.7 Funció de retenció de dades
Premeu el botó H button to hold the current measurement on the display. This is useful for recording readings in hard-to-reach areas. Press the button again to exit hold mode.
5.8 Apagada automàtica
The device is equipped with an automatic power-off function to conserve battery life. If no operation is performed for approximately 10 minutes, the meter will automatically shut down.
6. Manteniment
- Neteja: Netegeu el dispositiu amb un drap sec i suau. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Always replace the protective cap over the measurement pins when not in use to prevent damage and injury. Store the meter in a dry, cool place.
- Substitució de la bateria: Canvieu les piles quan aparegui l'indicador de bateria baixa a la pantalla. Traieu les piles si no fareu servir el dispositiu durant un període prolongat.
- Pin Replacement: If the measurement pins become dull or damaged, use the provided stainless steel wrench to replace them with the spare pins.
7. Solució De Problemes
If you encounter issues with your Protmex HT633, please consider the following:
- Sense problemes de pantalla/alimentació: Comproveu la instal·lació de les piles i assegureu-vos que no estiguin esgotades. Substituïu-les si cal.
- Lectures inexactes: Ensure the correct material category is selected. Verify that the measurement pins are fully inserted into the material and are not bent or damaged. Ambient temperature and humidity can affect readings; ensure the device has acclimatized to the environment.
- La pantalla mostra 'Lo': This indicates very low moisture content, possibly below the meter's measurable range for the selected material.
- Pins not penetrating: Ensure the material is not excessively hard or dense. Do not force the pins, as this may damage them or the device.
For further assistance, please contact Protmex customer support.
8. Especificacions
| Característica | Especificació |
|---|---|
| Fabricant | HUABO |
| Número de part | HT633 |
| Pes de l'article | 𠃧.8 ounces |
| Dimensions del paquet | 𠃧.24 x 3.58 x 2.24 inches |
| Número de model de l'article | HB-2 |
| Piles incloses | Yes (3 x 1.5V AAA Alkaline) |
| Rang de mesura de la temperatura | -4.0 ℉ ~ 140.0 ℉ (-20.0 ℃ ~ 60.0 ℃) |
| Rang de mesura de la humitat | 0.0% ~ 99.9% HR |
| Data de primera disponibilitat | 7 de setembre de 2022 |
9. Garantia i Suport
Protmex products are manufactured to high-quality standards. For information regarding warranty coverage, technical support, or service inquiries, please refer to the contact details provided on the official Protmex website or within your product packaging. Please retain your proof of purchase for warranty claims.
Visita el Protmex Store per a més informació.





