Introdução
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: Frente view of the Extech PRC30 Multifunction Process Calibrator, highlighting its display and control panel.
Características do produto
- 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.
Configurar
Instalação da bateria
- Localize a tampa do compartimento da bateria na parte traseira do dispositivo.
- Abra a tampa deslizando-a ou desaparafusando-a conforme indicado.
- Insert the required batteries (type not specified, but typically AA or AAA) ensuring correct polarity.
- Recoloque a tampa do compartimento da bateria com segurança.
Instruções de operação
Controles e visor 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.
- Botões de seta (para cima, para baixo, para a esquerda, para a direita): Used for navigation, adjusting values, and selecting options.
- Botão de configuração: Confirms selections or enters settings menus.
- 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.
Operação básica
- Ligar: Press the orange power button. The display will illuminate.
- Selecionando Modo: Use the MODE (I/O) button to switch between input and output functions as required for your calibration task.
- Ajustando os valores: 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.
- Mudança de unidades: Press the UNIT button to cycle through available measurement units (e.g., °F, °C).
- Ajuste Zero: Use the ZERO button to perform a zero adjustment for current measurements or to activate the display backlight.
- Funções de memória: Press the MEM button to save current readings or recall previously stored data.
- Desligar: 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.
Manutenção
- Limpeza: Limpe o dispositivo com um pano macio, damp pano. Não use produtos de limpeza abrasivos ou solventes.
- Armazenar: Store the calibrator in a dry, cool environment when not in use. Remove batteries if storing for extended periods to prevent leakage.
- Substituição da bateria: Replace batteries promptly when the low battery indicator appears on the display to ensure accurate operation.
- Calibração: Recomenda-se a calibração regular por pessoal qualificado para manter a precisão das medições.
Solução de problemas
| Problema | Possível causa | Solução |
|---|---|---|
| O dispositivo não liga. | Baterias descarregadas ou instaladas incorretamente. | Verifique a polaridade das pilhas e substitua-as por pilhas novas. |
| Leituras imprecisas. | Needs calibration; environmental interference; incorrect settings. | Perform zero adjustment; ensure stable environment; verify measurement settings; consider professional calibration. |
| A tela está em branco ou com brilho reduzido. | Bateria fraca; luz de fundo desligada. | Replace batteries; press the ZERO button to activate backlight. |
Especificações
- Modelo: PRC30
- Descrição: Calibrador de processo multifuncional
- Tipo de exibição: LCD matricial
- Dimensões (comprimento x largura x altura): 6.375 pol (15.9 cm) x 3.25 pol (8 cm) x 1.75 pol (4.4 cm)
- Faixa de temperatura operacional: 41 a 104°F (5 a 40°C)
- Faixa de umidade operacional: <80% UR
- Fonte de energia: Baterias
- Origem: Feito em Taiwan
Garantia e Suporte
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 website.
