1. Úvod
The UNI-T UT202R is a high-precision digital clamp meter designed for accurate electrical measurements. It features automatic ranging, True RMS capabilities, and a clear LCD backlight display. This manual provides essential information for the safe and effective operation of your device.
2. Bezpečnostní informace
Always adhere to local and national safety codes. Use appropriate personal protective equipment (PPE) such as insulated gloves and eye protection. Do not attempt to measure voltages or currents exceeding the specified maximum ratings. Ensure the device is in good working condition before use. Refer to the safety markings on the device and in the full product documentation.
- CAT III 300V / CAT II 600V: Indicates the measurement category and maximum voltage pro bezpečný provoz.
- Nepoužívejte, pokud je poškozen: Inspect the meter and test leads for any damage before each use.
- Vyhněte se vlhkým podmínkám: Do not operate the meter in wet environments.
- Bezpečnost baterie: Vyměňte baterie, když se objeví indikátor slabé baterie.
3. Konec produktuview
3.1. Součásti
Obrázek: Podrobný view digitálního číselníku UNI-T UT202Ramp Meter with labels pointing to its various parts, including the clamp head, NCV sensor, NCV warning lamp, function turntable, function switch button, LED display, relative value button, Max/Min button, data hold/backlight button, black probe socket, and red probe socket.
- Clamp Hlava: Používá se pro bezkontaktní měření proudu.
- Snímač NCV: Bezkontaktní svtage detekce.
- NCV Warning Lamp: Illuminates during NCV detection.
- Spoušť s klešťovou hlavou: Otevře clamp čelist.
- Function Turntable (Dial): Volí režimy měření.
- Function Switch Button (SELECT): Toggles between functions within a dial setting.
- LED displej: High-definition display for measurement readings.
- Tlačítko REL/Nula: For relative measurement or zeroing.
- Tlačítko MAX/MIN: Zaznamenává maximální a minimální hodnoty.
- Tlačítko HOLD/Podsvícení: Freezes the display reading or activates backlight.
- Probe Sockets (COM, VΩHz): Connect test leads for voltage, resistance, frequency, and other measurements.
3.2. Funkce displeje
- LCD HD displej: Poskytuje jasné a snadno čitelné hodnoty.
- Funkce podsvícení: Zlepšuje viditelnost za zhoršených světelných podmínek.
- Larger Screen and Display Digits: Improves readability of measurement values.
4. Nastavení
4.1. Instalace baterie
The UNI-T UT202R requires 2 AA batteries (included). To install or replace batteries:
- Ujistěte se, že je měřič VYPNUTÝ.
- Vyhledejte kryt baterie na zadní straně zařízení.
- Pomocí šroubováku otevřete kryt baterie.
- Insert the 2 AA batteries, observing correct polarity (+/-).
- Bezpečně zavřete kryt baterie.
5. Návod k obsluze
This section details the various measurement functions of the UNI-T UT202R Digital Clamp Meter. Always select the appropriate function on the dial before making any measurements.
5.1. Měření střídavého proudu
To measure AC current, rotate the function dial to the 'A~' position. Open the clamp jaw using the trigger and enclose a single conductor. The display will show the AC current reading. The meter supports selectable frequency for AC current measurements.
Video: Demonstration of AC current measurement using the clamp meter on an electrical panel, showing the current reading on the display. The video also highlights selectable frequency.
5.2. AC svtage Měření
Pro měření AC objtage, rotate the function dial to the 'V~' position. Connect the red test lead to the VΩHz input jack and the black test lead to the COM input jack. Apply the test leads across the circuit points to measure AC voltage. The meter supports selectable frequency for AC voltage měření.
Video: Demonstration of AC voltage measurement using test leads on an electrical panel, showing the voltage reading on the display. The video also highlights selectable frequency.
5.3. DC svtage Měření
Pro měření stejnosměrného objtage, rotate the function dial to the 'V=' position. Connect the red test lead to the VΩHz input jack and the black test lead to the COM input jack. Apply the test leads across the circuit points to measure DC voltage. This is demonstrated on a car battery and an electric bicycle battery.
Video: Demonstration of DC voltage measurement on a car battery and an electric bicycle battery, showing the voltage readings on the display.
5.4. Měření odporu
To measure resistance, rotate the function dial to the 'Ω' position. Connect the test leads across the component to be measured. The display will show the resistance value in Ohms (Ω).
Video: Demonstration of resistance measurement on a circuit board, showing the resistance value on the display.
5.5. Měření diod
To test diodes, rotate the function dial to the 'Diode' symbol position. Connect the test leads across the diode. A healthy diode will show a voltagpokles v jednom směru a otevřený obvod (OL) v opačném směru.
Video: Demonstration of diode measurement on a circuit board, showing the voltage drop reading on the display.
5.6. Test kontinuity
To perform a continuity test, rotate the function dial to the 'Continuity' symbol position. Connect the test leads across the circuit or component. The meter will emit an audible beep if continuity is detected (low resistance).
Video: Demonstration of a continuity test using test leads on a wire, showing the audible beep and display reading for continuity.
5.7. Měření kapacity
To measure capacitance, rotate the function dial to the 'Capacitance' symbol position. Connect the test leads across the capacitor. The display will show the capacitance value. The UT202R supports capacitance measurement up to 4mF.
Video: Demonstration of capacitance measurement on a capacitor, showing the capacitance value on the display.
5.8. Měření teploty
To measure temperature, rotate the function dial to the 'Temperature' symbol position. Connect a K-type thermocouple (not included) to the meter. Place the thermocouple tip on the object or area to be measured. The display will show the temperature reading. The UT202R supports temperature measurement from -40°C to 1000°C.
Video: Demonstration of temperature measurement using a thermocouple on an air conditioning unit, showing the temperature reading on the display.
5.9. Měření frekvence
To measure frequency, rotate the function dial to the 'Hz%' position. Connect the test leads to the circuit. The display will show the frequency value. The UT202R supports frequency measurement up to 10MHz.
Video: Demonstration of low voltage frequency measurement using a signal generator, showing the readings on the display.
5.10. Nekontaktní svtagMěření e (NCV)
Pro detekci hlasitosti střídavého proudutage without contact, rotate the function dial to the 'NCV' position. Bring the NCV sensor near the conductor. The NCV warning lamp will illuminate, and the meter will beep, indicating the presence of AC voltage. The UT202R features 4-level NCV measurement for varying signal strengths.
Video: Demonstration of 4-level NCV measurement on electrical busbars, showing the NCV indicator and audible alerts.
5.11. Current Usage with Splitter (Optional Accessory)
For convenient measurement of home appliance current usage, the UT200+ series can be used with a splitter (e.g., UNI-T UT-LS15-US, sold separately). This accessory separates the live and ground wires, allowing the clamp meter to accurately measure the current of a plugged-in appliance.
Video: Demonstration of measuring current usage of a home appliance using the clamp meter with a UT-LS15-US splitter.
6. Specifikace
The following table outlines the key specifications for the UNI-T UT202R Digital Clamp Metr.
Image: Detailed specifications table for the UT200+ and UT200R series, including AC current, AC current frequency response, DC current, AC voltage, AC svtage frequency response, high voltage frequency, DC voltage, resistance, capacitance, temperature, frequency, display count, jaw opening, relative mode, zero mode, and category ratings.
Image: Table outlining features such as auto range, True RMS, continuity test, diode, low battery indication, data hold, Max/Min, and auto power off. Also includes characteristics like standard accessories, batteries, display, product size, product net weight, standard individual packing, standard quantity per carton, standard carton measurement, and standard carton gross weight.
| Parametr | Hodnota |
|---|---|
| Číslo modelu | UT202R |
| Střídavý proud (A) | 400A |
| DC proud (A) | Není k dispozici |
| AC svtage (V) | 600V |
| DC svtage (V) | 600V |
| Odpor (Ω) | 40 MΩ |
| Kapacita (F) | 4mF |
| Teplota (°C) | -40 °C~1000 °C |
| Frekvence (Hz) | 10 Hz ~ 10 MHz |
| Počet zobrazení | 4000 |
| Otevření čelisti | 28 mm |
| Skutečné RMS | Ano |
| Podsvícení | Ano |
| Zdroj napájení | 2 AA baterie (součástí balení) |
| Certifikace | CE, UKCA, cETLus |
7. Údržba
To ensure the longevity and accuracy of your UNI-T UT202R Digital Clamp Meter, follow these maintenance guidelines:
- Čištění: Otřete měřič suchým, měkkým hadříkem. Nepoužívejte abrazivní prostředky ani rozpouštědla.
- Skladování: Glukometr skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot. Pokud jej skladujete delší dobu, vyjměte baterie.
- Kalibrace: For professional applications, periodic calibration by qualified personnel is recommended to maintain accuracy.
- Testovací potenciální zákazníci: Inspect test leads regularly for cuts, cracks, or damaged insulation. Replace immediately if any damage is found.
8. Řešení problémů
If you encounter issues with your UNI-T UT202R, refer to the following common troubleshooting steps:
- Žádný displej/slabý displej: Check battery installation and replace batteries if necessary. Ensure the meter is turned ON.
- Nesprávné čtení:
- Ensure the correct measurement function is selected.
- Verify test lead connections are secure and undamaged.
- Check for proper contact with the circuit or component.
- For current measurements, ensure only one conductor is within the clamp čelist.
- Zobrazení „OL“ (přetížení): The measured value exceeds the selected range. Switch to a higher range or ensure the measurement is within the meter's capabilities.
- Žádný pípnutí kontinuity: Check if the circuit is truly continuous or if the resistance is too high for the continuity threshold.
Pokud problémy přetrvávají, kontaktujte zákaznickou podporu UNI-T nebo kvalifikovaného technika.
9. Záruka a podpora
Informace o záruce a technickou podporu získáte od oficiálního prodejce UNI-T. webnebo se obraťte na místního distributora. Uschovejte si účtenku jako doklad o koupi pro případ reklamace.
