1. Utangulizi
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. Vipengele
- 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. Yaliyomo kwenye Kifurushi
Thibitisha kuwa bidhaa zote zipo na ziko katika hali nzuri:
- Extech 445703 Big Digit Hygro-Thermometer
- Stendi Iliyounganishwa
- Bracket ya Kuweka Ukuta
- One (1) AAA Battery
4. Kuweka
4.1. Ufungaji wa Betri
- Tafuta kifuniko cha sehemu ya betri nyuma ya kitengo.
- Telezesha kifuniko wazi.
- Insert one (1) AAA battery, observing the correct polarity (+ and -) as indicated inside the compartment.
- Badilisha kifuniko cha sehemu ya betri kwa usalama.
4.2. uwekaji
- Matumizi ya Kompyuta ya mezani: Extend the integrated stand from the back of the unit to place it on a flat surface.
- Uwekaji Ukuta: 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. Maagizo ya Uendeshaji
5.1. Onyesha Zaidiview
The large LCD simultaneously shows the current temperature (top display) and relative humidity (bottom display). The unit automatically begins measuring upon battery installation.
- Uonyesho wa Joto: Shows the current ambient temperature in either Fahrenheit (°F) or Celsius (°C).
- Onyesho la Unyevu: Shows the current relative humidity in percentage (%).
5.2. Uteuzi wa Kitengo cha Joto
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.
- Bonyeza kwa MAX/MIN button once to display the maximum recorded temperature and humidity. The "MAX" indicator will appear on the display.
- Bonyeza kwa MAX/MIN button a second time to display the minimum recorded temperature and humidity. The "MIN" indicator will appear on the display.
- Bonyeza kwa MAX/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:
- Wakati viewing either the MAX or MIN readings, press and hold the WEKA UPYA 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. Matengenezo
6.1. Kubadilisha Betri
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. Kusafisha
Clean the meter's casing na laini, damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area or battery compartment.
7. Utatuzi wa shida
- Hakuna Onyesho au Onyesho Finyu: Check battery polarity. Replace the AAA battery if it is low or depleted.
- Usomaji usio sahihi: 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. Vipimo
| Kigezo | Thamani |
|---|---|
| Aina ya unyevu | 10 hadi 99% RH |
| Kiwango cha Joto | 14 hadi 140°F (-10 hadi 60°C) |
| Usahihi wa unyevu | ±5% RH |
| Usahihi wa Joto | ± 1.8 ° F (± 1 ° C) |
| Onyesho | Large Digit LCD |
| Chanzo cha Nguvu | 1 x Betri ya AAA |
| Vipimo vya Bidhaa | 3.9" W x 4.3" H |
| Uzito wa Kipengee | Wakia 0.704 (kilo 0.02) |
| Chaguzi za Kuweka | Stand, Wall Mount |
9. Udhamini na Msaada
The Extech 445703 Big Digit Indoor Humidity & Temperature Meter comes with a Udhamini wa Miaka 1 kuanzia tarehe ya ununuzi. Udhamini huu unashughulikia kasoro katika nyenzo na utengenezaji chini ya matumizi ya kawaida.
For technical support, warranty claims, or service inquiries, please contact Extech customer service directly. Refer to the official Extech webtovuti au ufungaji wa bidhaa kwa maelezo ya sasa ya mawasiliano.
