1. Киришүү
The Extech MO257 is a pinless moisture meter designed for non-invasive measurement of moisture content in various building materials, including wood, wallboard, sheetrock, cardboard, concrete, plaster, and mortar. Its pinless design allows for measurements without causing surface damage. The device features a measurement depth ranging from 0.78 inches (20mm) to 1.6 inches (40mm) below the surface, user-settable alarm levels with audible and visual indicators, and a triple backlit LCD for clear readings.
2. Негизги өзгөчөлүктөрү
- Non-invasive measurement of moisture levels in wood, wallboard, sheetrock, cardboard, concrete, plaster, and mortar.
- Measurement depth from 0.78 inches (20mm) to 1.6 inches (40mm) below the surface.
- Two user-settable alarm levels with an audible beeper and visual (flashing "RISK" or "WET") indicators.
- Triple backlit LCD for enhanced visibility in various lighting conditions.
- Moisture Icons provide a visual reference for low, medium, and high levels of moisture.
- Audible Alert Tone increases in frequency as moisture level rises.
- Data Hold Function to freeze readings on the display for convenient recording.
3. Коопсуздук маалыматы
Please read and understand all safety instructions before operating the Extech MO257 moisture meter. Failure to follow these instructions may result in injury or damage to the device.
- Do not attempt to open or modify the meter. There are no user-serviceable parts inside.
- Keep the device away from water and excessive humidity to prevent damage.
- Эсептегичти түшүрүп алуудан же катуу соккуга кабылтуудан алыс болуңуз.
- Store the meter in a dry, cool environment when not in use.
- Батареяларды жергиликтүү эрежелерге ылайык жок кылыңыз. Эски жана жаңы батареяларды аралаштырбаңыз.
4. Продукциянын компоненттери
The Extech MO257 Pinless Moisture Meter consists of the main unit and its integrated sensor. Familiarize yourself with the following parts:
- Pinless Sensor Ball: Located at the top of the meter, this spherical sensor is used to detect moisture without penetrating the surface.
- LCD дисплей: A triple backlit screen that shows moisture readings, alarm indicators, and other operational information.
- Кубат баскычы: Аппаратты күйгүзүү жана өчүрүү үчүн колдонулат.
- Функция баскычтары: Buttons for setting alarms, adjusting parameters, and activating data hold.
- Батарея бөлүмү: Located on the rear of the device, housing the AA batteries.
5. Орнотуу
5.1. Батареяны орнотуу
- Батарея уясынын капкагын эсептегичтин арткы жагында табыңыз.
- Бөлүмдү ачуу үчүн капкакты ылдый карай жылдырыңыз.
- Insert three (3) AA batteries, ensuring correct polarity as indicated inside the compartment.
- Батарея бөлүгүнүн капкагын ордунан чыккыча өйдө жылдырыңыз.
5.2. Баштапкы күйгүзүү
Press the power button to turn on the meter. The LCD will illuminate, and the device will perform a brief self-test before displaying the ready-to-measure screen.
6. Иштөө нускамалары
6.1. Ченөө алуу
To measure moisture content:
- Эсептегичтин күйгүзүлгөнүн текшериңиз.
- Place the pinless sensor ball flat against the surface of the material you wish to measure. Ensure full contact for accurate readings.
- The moisture reading will be displayed on the LCD. The meter will automatically adjust for different material densities within its measurement range.
- Observe the moisture icons (low, medium, high) and listen for the audible alert tone, which will increase in frequency with higher moisture levels.
6.2. Using the Data Hold Function
Press the "HOLD" button (if available, or refer to specific button on device) to freeze the current reading on the display. Press it again to release the hold and resume live measurements.
6.3. Setting Alarm Levels
The MO257 allows you to set two user-defined alarm levels. Consult the full manual for detailed instructions on navigating the menu to set these thresholds. When the measured moisture exceeds a set alarm level, the meter will provide an audible beep and flash "RISK" or "WET" indicators on the display.
7. Техникалык тейлөө
7.1. Тазалоо
Wipe the meter with a dry, soft cloth. Do not use abrasive cleaners or solvents. Ensure the sensor ball is clean and free of debris for accurate readings.
7.2. Батареяны алмаштыруу
When the battery indicator appears on the display, replace the batteries as described in Section 5.1. Prompt battery replacement ensures optimal performance and accuracy.
7.3. Сактоо
If storing the meter for an extended period, remove the batteries to prevent leakage. Store the device in its pouch case in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Кыйынчылыктарды
This section addresses common issues you might encounter with your Extech MO257 moisture meter.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Эсептегич күйбөйт. | Өлүк же туура эмес орнотулган батарейкалар. | Check battery polarity; replace batteries if necessary. |
| Туура эмес же дал келбеген окуулар. | Poor contact with surface; dirty sensor; environmental interference; material outside measurement range. | Ensure full contact with the surface; clean the sensor ball; move away from strong electromagnetic fields; verify material is within specified measurement capabilities. |
| Дисплей күңүрт же бүлбүлдөп турат. | Батареянын кубаттуулугу төмөн. | Батареяларды алмаштырыңыз. |
| Audible alarm not working. | Alarm feature disabled or volume too low (if adjustable); moisture level below alarm threshold. | Check alarm settings; ensure moisture level exceeds set threshold. |
If the problem persists after attempting these solutions, please contact Extech customer support for further assistance.
9. Техникалык шарттар
| Параметр | Нарк |
|---|---|
| Модель номери | MO257 |
| Өлчөө түрү | Pinless, Non-invasive |
| Measurement Depth | 0.78-1.6 дюйм (20-40 мм) |
| Power Source | 3 AA батарейка (кошулган) |
| Тtage | 4.5 вольт (ток) |
| Продукциянын өлчөмдөрү | 2.5 x 1.1 x 9.2 дюйм |
| Элемент Салмагы | 10.58 унция (0.3 килограмм) |
| Өндүрүүчү | Extech |
| Монтаж түрү | Surface Mount |
10. Кепилдик жана колдоо
Extech Instruments products are designed for reliability and performance. For information regarding warranty coverage, technical support, or service, please refer to the official Extech webсайтка же кардарларды тейлөө бөлүмүнө кайрылыңыз. Сатып алуу квитанциясын кепилдик дооматтары үчүн сатып алуунун далили катары сактаңыз.
For the most up-to-date support information, visit the Amazon'догу Extech дүкөнү or the official Extech Instruments webсайт.
