1. Producte acabatview
The UNI-T UT251C is a high-accuracy, high-sensitivity leakage current clamp meter designed for precise measurement of AC leakage current. This instrument is suitable for various applications, including checking leakage current in motors, home appliances, and other electrical equipment, with a measurement capability up to 600A.
Image: UNI-T UT251A and UT251C models.
2. Característiques clau
- Visualització: 4-digit LCD digital display with 10000 count.
- Mesura: Auto range for current measurement.
- SampTarifa de ling: 2 samples per segon.
- Data Functions: Peaks hold and Data hold capabilities.
- Emmagatzematge de dades: Emmagatzema fins a 99 conjunts de dades.
- Connectivitat: RS-232 interface for data transmission.
- Gestió d'energia: Auto power off feature.
- Indicadors: Overload indication and low battery indication.
3. Què hi ha a la caixa
Upon unpacking, please verify that all standard accessories are present:
- UNI-T UT251C Clamp Mesurador
- Manual d'instruccions
- Bateria
- Charger (if applicable)
- Cable d'interfície RS-232
Si falta algun article o està malmès, poseu-vos en contacte amb el vostre proveïdor immediatament.
4. Configuració
4.1 Instal·lació de la bateria
- Assegureu-vos que el mesurador estigui apagat.
- Localitzeu la tapa del compartiment de la bateria a la part posterior del mesurador.
- Use a suitable screwdriver to open the cover.
- Insert the battery, observing the correct polarity (+/-).
- Substituïu la tapa del compartiment de la bateria i fixeu-la amb el cargol.
4.2 Engegada/apagada
- Per engegar el mesurador, premeu el botó PODER botó.
- Per apagar el mesurador, premeu i manteniu premut el botó PODER button until the display turns off. The meter also features an auto power off function to conserve battery life.
5. Instruccions de funcionament
5.1 Measuring AC Leakage Current
- Enceneu el comptador.
- Obriu el clamp mandíbula prement el gallet.
- Carefully place the conductor (e.g., power cable) within the clamp jaw. Ensure the jaw is fully closed around the conductor. For accurate leakage current measurement, clamp around both the live and neutral conductors of a single-phase circuit, or all phase conductors of a multi-phase circuit.
- Read the leakage current value displayed on the LCD screen.
Image: Clamp meter in use, measuring current.
5.2 Funció de retenció de dades
Per congelar la lectura actual a la pantalla, premeu la tecla MANTENIM button. Press it again to release the hold and resume live readings.
5.3 Peak Hold Function
The Peak Hold function captures and displays the maximum peak value of the measured current. Refer to the specific button on your device for activating this feature.
5.4 Emmagatzematge de dades
The meter can store up to 99 sets of measurement data. Consult the detailed manual for specific instructions on how to save and recall data sets using the device's interface.
5.5 RS-232 Data Transmission
The RS-232 interface allows for data transfer to a computer for further analysis or logging. Connect the meter to a computer using the provided RS-232 cable and use compatible software (not included) for data communication.
Video: Demonstration of UNI-T UT251 series clamp meters, including physical features, button operation, and current measurement comparison.
6. Manteniment
6.1 Neteja
Netegeu la c del comptadorasing amb anunciamp drap i detergent suau. No utilitzeu abrasius ni dissolvents. Assegureu-vos que el mesurador estigui sec abans de guardar-lo o utilitzar-lo.
6.2 Substitució de la bateria
When the low battery indicator appears on the display, replace the battery promptly to ensure accurate measurements. Refer to section 4.1 for battery installation instructions.
6.3 Emmagatzematge
When not in use for extended periods, remove the battery and store the meter in a cool, dry place, away from direct sunlight and extreme temperatures.
7. Solució De Problemes
- No Display/Meter Not Powering On: Comproveu la instal·lació de la bateria i assegureu-vos que tingui prou càrrega. Substituïu-la si cal.
- "OL" Indication (Overload): The measured current exceeds the meter's maximum range. Remove the clamp from the conductor immediately to prevent damage.
- Lectures inexactes: Assegureu-vos que el clamp jaw is fully closed around a single conductor or a bundle of conductors for leakage measurement. Avoid external magnetic fields.
- Indicació de bateria baixa: Replace the battery as soon as possible to maintain measurement accuracy.
8. Especificacions
Image: UNI-T UT251C model with key specifications.
| Especificació | Value (UT251C) |
|---|---|
| Marca | UNI-T |
| Model | UT251C |
| Font d'alimentació | Funciona amb bateria |
| Interval actual | 0.001mA ~ 600A |
| Resolució | 0.1 mA |
| Dimension of Clamp Mandíbula | 35 mm * 40 mm |
| Emmagatzematge de dades | 99 conjunts |
| Pes de l'article | 0.5 quilos |
| Dimensions de l'article (L x A x A) | 7.87 x 1.97 x 3.94 polzades |
| Classificació de seguretat | CAT III 600V |
Image: Comprehensive specifications for UT251 series.
9. Garantia i Suport
The UNI-T UT251C Current Leakage Clamp El mesurador ve amb un 1 any de garantia from the date of purchase. For warranty claims, technical support, or service inquiries, please contact your authorized UNI-T dealer or the manufacturer directly. Please retain your proof of purchase for warranty validation.