Introducció
The Extech PRC30 is a handheld multifunction process calibrator designed for verifying the operation of various industrial instruments. It is suitable for use with sensors, thermocouple probes, controllers, panel meters, and other testing tools, particularly in temperature control and process troubleshooting applications.
Figura 1: Frontal view of the Extech PRC30 Multifunction Process Calibrator, highlighting its display and control panel.
Característiques del producte
- Multifunction capability for various process calibration tasks.
- Handheld design for portability and ease of use.
- Dot matrix LCD for clear display of readings and settings.
- Intuitive button layout for operation.
Configuració
Instal·lació de la bateria
- Localitzeu la tapa del compartiment de la bateria a la part posterior del dispositiu.
- Open the cover by sliding or unscrewing it as indicated.
- Insert the required batteries (type not specified, but typically AA or AAA) ensuring correct polarity.
- Col·loqueu la coberta del compartiment de la bateria amb seguretat.
Instruccions de funcionament
Controls i pantalla a sobreview
The Extech PRC30 features a clear dot matrix LCD and a user-friendly control panel. Refer to Figure 1 for button locations.
- Power Button (Orange, circular with power symbol): Press to turn the calibrator ON or OFF.
- Botons de fletxa (amunt, avall, esquerra, dreta): Used for navigation, adjusting values, and selecting options.
- Botó SET: Confirma les seleccions o accedeix als menús de configuració.
- UNIT Button (under TYPE): Changes the measurement unit (e.g., °F, °C).
- I/O Button (under MODE): Toggles between input and output modes.
- MEM Button (under STEP): Accesses memory functions, such as saving or recalling data.
- ZERO Button (under ZERO, with lightbulb symbol): Performs zero adjustment or backlight control.
- CJC (Cold Junction Compensation) Indicator: Indicates the status of cold junction compensation.
- APO (Auto Power Off) Indicator: Shows if the auto power off function is active.
- SOURCE Indicator: Indicates the device is in source mode.
- MEM.25 Indicator: Likely indicates a memory location or a specific memory function.
Funcionament bàsic
- Encès: Press the orange power button. The display will illuminate.
- Selecció del mode: Use the MODE (I/O) button to switch between input and output functions as required for your calibration task.
- Ajust de valors: Use the Up/Down arrow buttons to adjust output values or navigate through menu options. The Left/Right arrow buttons may be used for digit selection or fine-tuning.
- Canvi d'unitats: Press the UNIT button to cycle through available measurement units (e.g., °F, °C).
- Ajust zero: Use the ZERO button to perform a zero adjustment for current measurements or to activate the display backlight.
- Funcions de memòria: Press the MEM button to save current readings or recall previously stored data.
- Apagar: Press and hold the orange power button until the display turns off. The Auto Power Off (APO) function will also turn off the device after a period of inactivity.
Manteniment
- Neteja: Netegeu el dispositiu amb un suau, damp tela. No utilitzeu netejadors abrasius ni dissolvents.
- Emmagatzematge: Store the calibrator in a dry, cool environment when not in use. Remove batteries if storing for extended periods to prevent leakage.
- Substitució de la bateria: Replace batteries promptly when the low battery indicator appears on the display to ensure accurate operation.
- Calibració: Regular calibration by qualified personnel is recommended to maintain measurement accuracy.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | Piles gastades o instal·lades incorrectament. | Comproveu la polaritat de la bateria i substituïu-la per piles noves. |
| Lectures inexactes. | Needs calibration; environmental interference; incorrect settings. | Perform zero adjustment; ensure stable environment; verify measurement settings; consider professional calibration. |
| La pantalla està en blanc o tènue. | Bateria baixa; retroiluminació apagada. | Replace batteries; press the ZERO button to activate backlight. |
Especificacions
- Model: PRC30
- Descripció: Calibrador de processos multifunció
- Tipus de visualització: LCD de matriu de punts
- Dimensions (Llarg x Amplada x Altura): 6.375 polzades (15.9 cm) x 3.25 polzades (8 cm) x 1.75 polzades (4.4 cm)
- Interval de temperatura de funcionament: De 41 a 104 °C (5 a 40 °F)
- Interval d'humitat de funcionament: <80% HR
- Font d'alimentació: Bateries
- Origen: Fabricat a Taiwan
Garantia i Suport
The Extech PRC30 Multifunction Process Calibrator comes with a 1-Year Universal Guarantee.
For technical support, service, or warranty claims, please refer to the contact information provided with your purchase documentation or visit the official Extech Instruments weblloc.
