1. Wprowadzenie
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. Funkcje
- 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. Zawartość opakowania
Sprawdź, czy wszystkie przedmioty są obecne i w dobrym stanie:
- Extech 445703 Big Digit Hygro-Thermometer
- Zintegrowana podstawa
- Uchwyt do montażu na ścianie
- One (1) AAA Battery
4. Konfiguracja
4.1. Instalacja baterii
- Znajdź pokrywę komory baterii z tyłu urządzenia.
- Otwórz pokrywę.
- Insert one (1) AAA battery, observing the correct polarity (+ and -) as indicated inside the compartment.
- Dokładnie załóż pokrywę komory baterii.
4.2. Umieszczenie
- Użycie komputera stacjonarnego: Extend the integrated stand from the back of the unit to place it on a flat surface.
- Montaż na ścianie: 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. Instrukcja obsługi
5.1. Wyświetlanieview
The large LCD simultaneously shows the current temperature (top display) and relative humidity (bottom display). The unit automatically begins measuring upon battery installation.
- Wyświetlacz temperatury: Shows the current ambient temperature in either Fahrenheit (°F) or Celsius (°C).
- Wyświetlacz wilgotności: Pokazuje aktualną wilgotność względną w procentachtagmi (%).
5.2. Wybór jednostki temperatury
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.
- Naciśnij MAKS./MIN. button once to display the maximum recorded temperature and humidity. The "MAX" indicator will appear on the display.
- Naciśnij MAKS./MIN. button a second time to display the minimum recorded temperature and humidity. The "MIN" indicator will appear on the display.
- Naciśnij MAKS./MIN. 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:
- Chwila viewing either the MAX or MIN readings, press and hold the NASTAWIĆ 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. Konserwacja
6.1. Wymiana baterii
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. Czyszczenie
Wyczyść licznik casing z miękkim, damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area or battery compartment.
7. Rozwiązywanie Problemów
- Brak wyświetlacza lub wyświetlacz słabo widoczny: Check battery polarity. Replace the AAA battery if it is low or depleted.
- Niedokładne odczyty: 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.
- Wyświetl zamrożone: 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. Specyfikacje
| Parametr | Wartość |
|---|---|
| Zakres wilgotności | Wilgotność względna od 10 do 99% |
| Zakres temperatur | od -14 do 140°C (od 10 do 60°F) |
| Dokładność wilgotności | ±5% wilgotności względnej |
| Dokładność temperatury | ± 1.8 ° F (± 1 ° C) |
| Wyświetlacz | Large Digit LCD |
| Źródło zasilania | 1 bateria AAA |
| Wymiary produktu | 3.9" szer. x 4.3" wys. |
| Waga przedmiotu | 0.704 uncji (0.02 kg) |
| Opcje montażu | Stand, Wall Mount |
9. Gwarancja i wsparcie
The Extech 445703 Big Digit Indoor Humidity & Temperature Meter comes with a 1-letnia gwarancja od daty zakupu. Niniejsza gwarancja obejmuje wady materiałowe i wykonawcze przy normalnym użytkowaniu.
For technical support, warranty claims, or service inquiries, please contact Extech customer service directly. Refer to the official Extech webna stronie internetowej lub opakowaniu produktu, aby uzyskać najaktualniejsze dane kontaktowe.
