1. Introduzzjoni
This manual provides detailed instructions for the setup, operation, and maintenance of the UEi Test Instruments DTH880 Wall Mounted Temperature and Humidity Tester. The DTH880 is designed to accurately measure and display ambient temperature and relative humidity, making it ideal for use in various environments such as computer rooms, mechanical rooms, shops, offices, and greenhouses.
Il-karatteristiċi ewlenin jinkludu:
- Temperature measurement range: 32°F to 122°F (0°C to 50°C)
- Firxa ta 'kejl ta' umdità: 25% sa 95% RH
- Comfort Zone Indicator
- Min/Max Record and Data Hold functions
- Versatile wall or desk mounting options
- Battery powered for portability
2. Informazzjoni dwar is-Sigurtà
Please read and understand all safety instructions before operating the DTH880. Failure to follow these instructions may result in damage to the device or inaccurate readings.
- Tesponix l-apparat għal temperaturi estremi jew dawl tax-xemx dirett għal perjodi twal.
- Avoid exposing the device to water or high humidity environments beyond its specified operating range.
- Tippruvax tiżżarma jew timmodifika l-apparat. Irreferi kull servizz lil persunal kwalifikat.
- Armi l-batteriji kif suppost skont ir-regolamenti lokali.
3. Kontenut tal-Pakkett
Ivverifika li l-oġġetti kollha huma preżenti fil-pakkett:
- 1 x UEi DTH880 Temperature and Humidity Tester
- Batteriji (installati minn qabel jew separati)
- Manwal għall-Utent (dan id-dokument)
4. Prodott Aktarview
The DTH880 features a clear LCD display and intuitive controls for easy operation.

Figura 4.1: Quddiem view of the DTH880 unit, displaying temperature and humidity readings, along with control buttons for Celsius/Fahrenheit, Min/Max, Clear, and Hold functions.
4.1. Elementi tal-Wiri
- Wiri tat-Temperatura: Shows current temperature in Fahrenheit (°F) or Celsius (°C).
- Wiri tal-Umdità: Shows current relative humidity in percentage (%RH).
- HOLD Indicator: Appears when the data hold function is active.
- Comfort Zone Indicator: A visual cue indicating comfortable temperature and humidity levels.
4.2. Buttuni tal-Kontroll
- Buttuna °C/°F: Jiddawwar il-wiri tat-temperatura bejn Celsius u Fahrenheit.
- Buttuna MAX/MIN: Displays the maximum or minimum recorded temperature and humidity since the last reset.
- Buttuna CLR: Clears the recorded maximum and minimum values.
- Buttuna ŻOMM: Freezes the current display readings. Press again to release.
5. Setup
5.1. Installazzjoni tal-batterija
- Locate the battery compartment on the back of the DTH880 unit.
- Iftaħ l-għatu tal-kompartiment tal-batterija.
- Insert the required alkaline batteries, ensuring correct polarity (+/-).
- Agħlaq l-għatu tal-kompartiment tal-batterija sew.
5.2. Għażliet ta 'Immuntar
The DTH880 offers flexible placement options:
- Immuntar tal-ħajt: Use the integrated keyhole slot on the back of the unit to hang it on a screw or nail on a wall. Ensure the mounting surface is stable and the unit is level.
- Immuntar fuq l-iskrivanija: Utilize the built-in kickstand on the back of the unit to place it upright on any flat surface, such as a desk or shelf.

Figure 5.1: The DTH880 unit demonstrating its compact size and the kickstand for desk placement.
6. Operazzjoni
6.1. Tixgħil / Mitfi
The DTH880 powers on automatically once batteries are installed. There is no dedicated power button. To power off, remove the batteries.
6.2. Qari tal-Kejl
Once powered on, the current temperature and relative humidity will be displayed on the LCD screen.
6.3. Tibdil fl-Unitajiet tat-Temperatura (°C/°F)
Agħfas il- ° C / ° F buttuna biex taqleb il-wiri tat-temperatura bejn Celsius u Fahrenheit.
6.4. ViewRekords Min/Max tal-ing
Agħfas il- MAX/MIN button once to display the maximum temperature and humidity recorded since the last reset. Press it again to display the minimum recorded values. Press a third time to return to current readings.
6.5. Clearing Min/Max Records
Filwaqt li viewing MAX or MIN records, press the CLR button to clear the stored maximum and minimum values. The display will return to current readings.
6.6. Using Data Hold
Agħfas il- ŻOMM button to freeze the current temperature and humidity readings on the display. The "HOLD" indicator will appear. Press the ŻOMM Agħfas il-buttuna mill-ġdid biex tirrilaxxa l-funzjoni u terġa' tibda l-qari dirett.
7. Manutenzjoni
7.1. Tindif
Imsaħ l-unità b'artab, damp drapp. Tużax prodotti tat-tindif jew solventi li joborxu. Kun żgur li l-ebda likwidu ma jidħol fl-apparat.
7.2. Sostituzzjoni tal-batterija
When the display becomes dim or erratic, it is time to replace the batteries. Follow the battery installation steps in Section 5.1. Always replace all batteries at the same time with new ones of the same type.
8 Issolvi l-problemi
- No Display / Unit Not Turning On:
- Iċċekkja l-installazzjoni tal-batterija. Kun żgur li l-batteriji huma mdaħħla bil-polarità korretta.
- Ibdel il-batteriji qodma jew li m'għadhomx jintużaw b'oħrajn ġodda.
- Qari mhux eżatt:
- Ensure the unit is placed in a location free from direct drafts, heat sources, or extreme humidity fluctuations.
- Allow the unit to stabilize for at least 15-30 minutes after placement or battery replacement.
- Note that the humidity sensor may not read below 25% RH accurately, as noted by some users. This is within the specified operating range of 25% to 95% RH.
- Buttuni li ma jirrispondux:
- Check battery level. Low batteries can affect button responsiveness.
- Ensure buttons are not stuck or obstructed.
9. Speċifikazzjonijiet
| Karatteristika | Speċifikazzjoni |
|---|---|
| Numru tal-Mudell | DTH880 |
| Firxa tat-Temperatura | 32°F sa 122°F (0°C sa 50°C) |
| Medda ta 'Umdità | 25% sa 95% RH |
| Sors tal-Enerġija | Imħaddem bil-batterija (Alkalin) |
| Dimensjonijiet (L x W x H) | 1 x 3.9 x 4.12 pulzieri (madwar) |
| Piż tal-oġġett | 3.2 uqija (madwar) |
| Tip ta 'Immuntar | Stand tal-Ħajt / Stand tal-Iskrivanija |
| Komponenti Inklużi | Batteries, DTH880 unit, Manual |
10. Garanzija u Appoġġ
10.1. Informazzjoni dwar Garanzija
The UEi Test Instruments DTH880 comes with a Garanzija limitata ta '1 snin mid-data tax-xiri. Din il-garanzija tkopri difetti fil-materjali u l-abbilità taħt użu normali. Ma tkoprix ħsara li tirriżulta minn użu ħażin, aċċident, modifika, jew tiswija mhux awtorizzata.
10.2. Appoġġ għall-Klijent
For technical assistance, troubleshooting, or warranty claims, please contact UEi Test Instruments customer support. Refer to the official UEi Test Instruments webis-sit għall-aktar informazzjoni ta' kuntatt aġġornata.
You can visit the official UEi Test Instruments store on Amazon for more information: UEi Test Instruments Store





