1. Pendahuluan
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. Fitur
- 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. Isi Paket
Pastikan semua barang ada dan dalam kondisi baik:
- Extech 445703 Big Digit Hygro-Thermometer
- Stand Terintegrasi
- Braket Pemasangan di Dinding
- One (1) AAA Battery
4. Pengaturan
4.1. Pemasangan Baterai
- Temukan penutup kompartemen baterai di bagian belakang unit.
- Geser penutup terbuka.
- Insert one (1) AAA battery, observing the correct polarity (+ and -) as indicated inside the compartment.
- Pasang kembali penutup kompartemen baterai dengan aman.
4.2. Penempatan
- Penggunaan Desktop: Extend the integrated stand from the back of the unit to place it on a flat surface.
- Pemasangan di dinding: 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. Petunjuk Pengoperasian
5.1. Tampilan Selesaiview
The large LCD simultaneously shows the current temperature (top display) and relative humidity (bottom display). The unit automatically begins measuring upon battery installation.
- Tampilan Suhu: Shows the current ambient temperature in either Fahrenheit (°F) or Celsius (°C).
- Tampilan Kelembaban: Shows the current relative humidity in percentagdan (%).
5.2. Pemilihan Satuan Suhu
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.
- Tekan tombol MAKS/MIN button once to display the maximum recorded temperature and humidity. The "MAX" indicator will appear on the display.
- Tekan tombol MAKS/MIN button a second time to display the minimum recorded temperature and humidity. The "MIN" indicator will appear on the display.
- Tekan tombol 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:
- Ketika viewing either the MAX or MIN readings, press and hold the MENGATUR ULANG 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. Pemeliharaan
6.1. Penggantian Baterai
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. Pembersihan
Bersihkan c meteranasing dengan lembut, damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area or battery compartment.
7. Penyelesaian masalah
- Tidak Ada Tampilan atau Tampilan Redup: Check battery polarity. Replace the AAA battery if it is low or depleted.
- Pembacaan yang Tidak Akurat: 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.
- Tampilan Beku: 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. Spesifikasi
| Parameter | Nilai |
|---|---|
| kelembaban Rentang | 10 hingga 99% RH |
| Kisaran Suhu | 14 hingga 140°F (-10 hingga 60°C) |
| Akurasi Kelembaban | ±5% Kelembapan Udara Rendah |
| Akurasi Suhu | ± 1.8 ° F (± 1 ° C) |
| Menampilkan | Large Digit LCD |
| Sumber Daya | 1 x Baterai AAA |
| Dimensi Produk | 3.9" L x 4.3" T |
| Berat Barang | 0.704 ons (0.02 kg) |
| Opsi Pemasangan | Stand, Wall Mount |
9. Garansi dan Dukungan
The Extech 445703 Big Digit Indoor Humidity & Temperature Meter comes with a Garansi 1 Tahun sejak tanggal pembelian. Garansi ini mencakup cacat bahan dan pengerjaan dalam penggunaan normal.
For technical support, warranty claims, or service inquiries, please contact Extech customer service directly. Refer to the official Extech websitus atau kemasan produk untuk informasi kontak terkini.
