1. Úvod
The Elitech DIT-220 is a non-contact digital infrared thermometer designed for safe and accurate surface temperature measurements. It features adjustable emissivity, a backlit LCD display, and various measurement modes, making it suitable for a wide range of applications including cooking, HVAC, automotive, and industrial use.

Figure 1: Elitech DIT-220 Infrared Thermometer
2. Vlastnosti produktu
- Instant & Accurate Reading: Measures surface temperatures from -58°F to 986°F (-50°C to 530°C) with high accuracy (±1.5%).
- Nastavitelná emisivita: Customizable setting (0.10 to 1.00) for accurate readings on various surfaces. Default is 0.95.
- Uživatelsky přívětivé funkce: MAX/MIN/AVG temperature hold, backlit LCD, and unit conversion (°F/°C).
- Safe & Versatile Application: 12:1 distance-to-spot ratio for safe measurement of hazardous or hard-to-reach surfaces.
- Odolný a přenosný design: Ergonomic, lightweight, with auto shut-off and low power indication.

Obrázek 2: Klíčové vlastnostiview
3. Obsah balení
- 1 x Elitech DIT-220 Infrared Thermometer
- 2 x AAA baterie
4. Nastavení a provoz
4.1 Instalace baterie
- Open the battery compartment located on the handle.
- Insert the two AAA batteries, ensuring correct polarity.
- Bezpečně uzavřete přihrádku na baterie.
Video 1: Battery installation and basic function overview for the Elitech DIT-220 Infrared Thermometer.
4.2 Základní ovládací prvky

Figure 3: Device Controls (Trigger, LCD, Mode Key)
- Spoušť: Press to activate the laser and take a temperature reading. Release to hold the reading.
- Tlačítko C/F: Press to switch between Celsius (°C) and Fahrenheit (°F) temperature units.
- Tlačítko režimu: Cycles through different measurement modes (MAX/MIN/AVG, Emissivity, Calibration).
- Backlight Button (Up Arrow): Press to turn the LCD backlight on or off.
- Laser On/Off Button (Down Arrow): Press to turn the laser pointer on or off.
4.3 Provedení měření
- Namiřte teploměr na cílový povrch.
- Press and hold the trigger. The laser pointer will indicate the measurement area.
- Na LCD displeji se zobrazí údaj teploty.
- Release the trigger to hold the reading on the display. The device will automatically shut off after a period of inactivity to conserve battery.
4.4 Poměr vzdálenosti k bodu (D:S)
The DIT-220 has a 12:1 distance-to-spot ratio. This means that at a distance of 12 inches, the measurement spot size will be 1 inch. To ensure accurate readings, position the thermometer at an appropriate distance from the target, ensuring the spot size is smaller than the object being measured.

Figure 4: Distance to Spot Ratio
4.5 Nastavitelná emisivita
Emissivity (EMS) is the ability of a material to emit thermal energy. Different materials have different emissivity values. The DIT-220 allows you to adjust the emissivity from 0.10 to 1.00 for more accurate readings on various surfaces. The default setting is 0.95, which is suitable for most common materials like wood, ceramic, and food.
- Press the 'MODE' button until 'EMS' appears on the display.
- Use the Up/Down arrow buttons to adjust the emissivity value.
- Press 'MODE' again to confirm and exit.

Figure 5: Adjustable Emissivity for Various Surfaces
4.6 MAX/MIN/AVG Temperature Hold
Tato funkce vám umožňuje view the maximum, minimum, or average temperature recorded during a continuous measurement session.
- Press the 'MODE' button to cycle through MAX, MIN, and AVG display modes.
- The corresponding value will be displayed.

Figure 6: MAX/MIN/AVG Temperature Hold
4.7 Kalibrace teploty
The DIT-220 allows for temperature calibration within a range of -5°C to 5°C to fine-tune accuracy if needed.
- Press the 'MODE' button until 'CAL' appears on the display.
- Use the Up/Down arrow buttons to adjust the calibration value.
- Press 'MODE' again to confirm and exit.
5. Bezpečnostní informace a opatření
- Bezpečnost laseru: Do not look directly into the laser beam or point it at people or animals.
- Not for Human/Animal Use: This infrared thermometer measures surface temperatures only and is not intended for medical use on humans or animals.
- Avoid Smoke: Do not measure through smoke, as it can significantly impact accuracy.
- Skleněné povrchy: For better accuracy when measuring through glass, measure an opaque material placed on the glass surface.
- Elektrická bezpečnost: Use caution when measuring live electrical equipment.

Figure 7: Not for Human/Animal Use

Figure 8: Smoke Measurement Accuracy

Figure 9: Measuring Glass Temperatures
6. Údržba
- Čištění: Použijte měkký, damp hadřík k čištění zařízení casing. Do not use abrasive cleaners or solvents. Keep the lens clean and free of dust or debris.
- Skladování: Teploměr skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Výměna baterie: Replace batteries when the low power indicator appears on the display. Dispose of used batteries responsibly.
7. Řešení problémů
- Bez displeje: Zkontrolujte instalaci baterií a ujistěte se, že nejsou vybité. V případě potřeby je vyměňte.
- Nepřesná čtení:
- Ověřte, zda nastavení emisivity odpovídá měřenému materiálu.
- Ujistěte se, že je čočka čistá.
- Check the distance-to-spot ratio; move closer if the target is too small.
- Vyhněte se měření přes páru nebo kouř.
- Consider performing a temperature calibration if readings are consistently off.
- Laser nefunguje: Ensure the laser is enabled via the appropriate button. Check battery level.
8. Specifikace
| Funkce | Specifikace |
|---|---|
| Teplotní rozsah | -58 °F až 986 °F (-50 °C až 530 °C) |
| Přesnost | ±1.5 % nebo ±1.5 °C (±2.7 °F) |
| Emisivita | Adjustable 0.10 to 1.00 (Default 0.95) |
| Poměr vzdálenosti k bodu (D:S) | 12:1 |
| Doba odezvy | 0.5 sekund |
| Zdroj napájení | 2 x AAA baterie |
| Typ zobrazení | Digitální LCD s podsvícením |
| Speciální funkce | MAX/MIN/AVG Hold, Auto Shut-off, Low Power Indication |
| Vnější materiál | Plast |
9. Záruka a podpora
For warranty information and technical support, please refer to the product packaging or visit the official Elitech webmísto. Uschovejte si doklad o koupi pro případ záručních reklamací.
Výrobce: Elitech