1. Киришүү
The Extech 445703 is a Big Digit Hygro-Thermometer designed for indoor use. It provides simultaneous display of humidity and temperature, featuring large, easy-to-read digits. This device is suitable for monitoring environmental conditions in various indoor settings such as homes, offices, greenhouses, and baby rooms. It includes a Min/Max function to track extreme readings and comes complete with necessary accessories for immediate use.
2. Өзгөчөлүктөрү
- Large LCD with 1-inch digits for clear visibility.
- Simultaneous display of relative humidity and ambient temperature.
- Measures humidity from 10% to 99% RH.
- Measures temperature from 14°F to 140°F (-10°C to 60°C).
- Accuracy: ±5% RH and ±1.8°F (±1°C).
- Minimum/Maximum (Min/Max) function with reset capability.
- Data Hold function to freeze current readings.
- Includes a built-in stand and a wall mounting bracket for versatile placement.
3. Пакеттин мазмуну
Бардык буюмдар бар экенин жана жакшы абалда экендигин текшериңиз:
- Extech 445703 Big Digit Hygro-Thermometer
- Интегралдык стенд
- Дубалга орнотуу кашаасы
- One (1) AAA Battery
4. Орнотуу
4.1. Батареяны орнотуу
- Аппараттын артындагы батарея бөлүкчөсүнүн капкагын табыңыз.
- Капкакты жылдырыңыз.
- Insert one (1) AAA battery, observing the correct polarity (+ and -) as indicated inside the compartment.
- Батарея бөлүкчөсүнүн капкагын бекем орнотуңуз.
4.2. Жайгаштыруу
- Иш тактада колдонуу: Extend the integrated stand from the back of the unit to place it on a flat surface.
- Дубалга орнотуу: Use the provided wall mounting bracket and appropriate hardware (not included) to secure the unit to a wall. Ensure the chosen location allows for accurate environmental readings, away from direct sunlight, heat sources, or drafts.
5. Иштөө нускамалары
5.1. Display Overview
The large LCD simultaneously shows the current temperature (top display) and relative humidity (bottom display). The unit automatically begins measuring upon battery installation.
- Температура дисплейи: Shows the current ambient temperature in either Fahrenheit (°F) or Celsius (°C).
- Нымдуулук дисплей: Shows the current relative humidity in percentage (%).
5.2. Температура бирдигин тандоо
To switch between Fahrenheit (°F) and Celsius (°C), locate the small switch or button, typically on the back or side of the unit. Press or slide it to select the desired temperature unit.
5.3. Minimum/Maximum (Min/Max) Function
The Min/Max function allows you to view the highest and lowest temperature and humidity readings recorded since the last reset.
- басыңыз МАКС/МИН button once to display the maximum recorded temperature and humidity. The "MAX" indicator will appear on the display.
- басыңыз МАКС/МИН button a second time to display the minimum recorded temperature and humidity. The "MIN" indicator will appear on the display.
- басыңыз МАКС/МИН button a third time to return to the current temperature and humidity display.
5.4. Resetting Min/Max Readings
To clear the recorded Min/Max values and start a new recording cycle:
- Ал эми viewing either the MAX or MIN readings, press and hold the RESET button for approximately 3 seconds. The display will briefly show all segments, then return to current readings, indicating the Min/Max memory has been cleared.
6. Техникалык тейлөө
6.1. Батареяны алмаштыруу
When the battery power is low, a low battery indicator will appear on the display. Replace the AAA battery as described in the "Battery Installation" section (4.1).
6.2. Тазалоо
Clean the meter's casing жумшак менен, гamp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area or battery compartment.
7. Кыйынчылыктарды
- Дисплей жок же начар дисплей: Check battery polarity. Replace the AAA battery if it is low or depleted.
- Туура эмес окуулар: Ensure the meter is placed in a stable environment, away from direct heat, cold, or strong air currents. Allow sufficient time (at least 30 minutes) for the meter to stabilize to the ambient conditions.
- Тоңдурулган дисплей: If the display appears frozen, the Data Hold function might be active. Press the appropriate button (if available, usually labeled "HOLD") to release it. If no such button, remove and reinsert the battery to reset the unit.
8. Техникалык шарттар
| Параметр | Нарк |
|---|---|
| нымдуулук колому | 10-99% RH |
| Температура диапазону | 14…140°F (-10…60°C) |
| Нымдуулуктун тактыгы | ±5% RH |
| Температуранын тактыгы | ± 1.8 ° F (± 1 ° C) |
| Дисплей | Large Digit LCD |
| Power Source | 1 x AAA Батарея |
| Продукциянын өлчөмдөрү | 3.9" W x 4.3" H |
| Элемент Салмагы | 0.704 унция (0.02 кг) |
| Монтаждоо параметрлери | Stand, Wall Mount |
9. Кепилдик жана колдоо
The Extech 445703 Big Digit Indoor Humidity & Temperature Meter comes with a 1 жылдык кепилдик сатып алынган күндөн тартып. Бул кепилдик нормалдуу колдонуудагы материалдардагы жана жасалгадагы кемчиликтерди камтыйт.
For technical support, warranty claims, or service inquiries, please contact Extech customer service directly. Refer to the official Extech webакыркы байланыш маалыматы үчүн сайт же продукт таңгак.
