1. Uvod
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. Značajke
- Large LCD with 1-inch digits for clear visibility.
- Simultaneous display of relative humidity and ambient temperature.
- Mjeri vlažnost od 10% do 99% relativne vlažnosti.
- 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. Sadržaj paketa
Provjerite jesu li svi predmeti prisutni i u dobrom stanju:
- Extech 445703 Big Digit Hygro-Thermometer
- Integrirani stalak
- Zidni nosač
- One (1) AAA Battery
4. Postavljanje
4.1. Ugradnja baterije
- Pronađite poklopac odjeljka za baterije na stražnjoj strani uređaja.
- Otvorite poklopac.
- Insert one (1) AAA battery, observing the correct polarity (+ and -) as indicated inside the compartment.
- Čvrsto namjestite poklopac odjeljka za baterije.
4.2. plasman
- Upotreba stolnog računala: Extend the integrated stand from the back of the unit to place it on a flat surface.
- Montaža na zid: 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. Upute za rad
5.1. Prikaz iznadview
The large LCD simultaneously shows the current temperature (top display) and relative humidity (bottom display). The unit automatically begins measuring upon battery installation.
- Prikaz temperature: Shows the current ambient temperature in either Fahrenheit (°F) or Celsius (°C).
- Prikaz vlažnosti: Shows the current relative humidity in percentage (%).
5.2. Odabir jedinice temperature
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.
- Pritisnite tipku MAKS./MIN button once to display the maximum recorded temperature and humidity. The "MAX" indicator will appear on the display.
- Pritisnite tipku MAKS./MIN button a second time to display the minimum recorded temperature and humidity. The "MIN" indicator will appear on the display.
- Pritisnite tipku 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:
- Dok viewing either the MAX or MIN readings, press and hold the RESETIRANJE 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. Održavanje
6.1. Zamjena baterije
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. Čišćenje
Clean the meter's casing s mekim, damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area or battery compartment.
7. Rješavanje problema
- Nema prikaza ili slab prikaz: Check battery polarity. Replace the AAA battery if it is low or depleted.
- Netočna očitanja: 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.
- Display Frozen: 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. Specifikacije
| Parametar | Vrijednost |
|---|---|
| Raspon vlage | 10 do 99% RH |
| Raspon temperature | 14 do 140°F (-10 do 60°C) |
| Točnost vlažnosti | ±5% RH |
| Točnost temperature | ± 1.8 ° F (± 1 ° C) |
| Prikaz | Large Digit LCD |
| Izvor napajanja | 1 x AAA baterija |
| Dimenzije proizvoda | 3.9" Š x 4.3" V |
| Težina artikla | 0.704 unci (0.02 kg) |
| Mogućnosti montaže | Stand, Wall Mount |
9. Jamstvo i podrška
The Extech 445703 Big Digit Indoor Humidity & Temperature Meter comes with a 1-godišnje jamstvo od datuma kupnje. Ovo jamstvo pokriva nedostatke u materijalu i izradi pri normalnoj uporabi.
For technical support, warranty claims, or service inquiries, please contact Extech customer service directly. Refer to the official Extech webnajnovije kontaktne podatke potražite na web-mjestu ili pakiranju proizvoda.





