1. Introdución
This manual provides comprehensive instructions for the safe and effective operation, setup, and maintenance of the Dwyer 477B-3 Handheld Digital Manometer. The 477B-3 is designed for precise measurement of air pressure, offering high accuracy and internal memory for data storage.
2. Información de seguridade
Always observe the following safety precautions to prevent injury and avoid damage to the instrument:
- Do not exceed the specified pressure range of the device.
- Ensure proper connection of pressure tubing to avoid leaks or incorrect readings.
- Do not expose the manometer to extreme temperatures, humidity, or corrosive environments.
- Use só o tipo de batería especificado para a substitución.
- Mantén o dispositivo limpo e libre de residuos.
3. Produto rematadoview
The Dwyer 477B-3 is a robust handheld digital manometer encased in an aluminum housing. It features a clear digital display and intuitive button controls for various functions.
3.1 Panel frontal
Figura 1: Fronte view of the Dwyer 477B-3 Digital Manometer, showing the digital display and control buttons.
O panel frontal inclúe:
- Pantalla dixital: Shows pressure readings and operational indicators.
- Botón ON/OFF: Acende ou apaga o dispositivo.
- ZERO/STORE Button: Zeros the reading or stores data in memory.
- HOLD/MEMORY Button: Holds the current reading or accesses stored data.
- UNITS/LOC Button: Changes measurement units or navigates memory locations.
3.2 Panel posterior
Figura 2: De volta view of the Dwyer 477B-3 Digital Manometer, displaying key operating instructions and specifications.
The back panel provides quick reference operating instructions and device specifications. It also houses the pressure ports at the top and the battery compartment at the bottom.
4. Configuración
4.1 Instalación da batería
Figura 3: View of the battery compartment on the Dwyer 477B-3 Digital Manometer.
- Locate the battery compartment cover on the bottom rear of the manometer.
- Unscrew the retaining screws at the base of the instrument to remove the battery cover.
- Insert a 9V battery (e.g., DURACELL MN 1604, EVEREADY 522, or equivalent), observing correct polarity.
- Replace the battery cover and secure it with the screws.
4.2 Encendido inicial
Despois da instalación da batería, prema o botón ON/OFF button to power on the device. The display will illuminate, indicating the device is ready for use.
5. Instrucións de funcionamento
5.1 ON/OFF Function
- Preme o ON/OFF button to toggle the device on and off.
- The device will automatically shut off after 20 minutes of inactivity to conserve battery life.
- To illuminate the display during power-on, hold the ON/OFF botón.
5.2 Función CERO
- Vent both pressure ports to the atmosphere.
- Manteña premido o ZERO/STORE button until the LCD displays "----", then release it. The manometer is now zeroed.
5.3 UNITS/LOC Function
- Preme o UNITS/LOC para percorrer e seleccionar as unidades de medida desexadas.
5.4 HOLD/MEMORY Function
- Manteña a lectura: Preme o HOLD/MEMORY button to hold the current reading on the display. Press it again to resume measurement.
- Función de memoria:
- To store a reading, press and hold HOLD/MEMORY until "ST01" (or next available location) is displayed, then press ZERO/STORE. If needed, press UNITS/LOC to select another storage location before pressing ZERO/STORE.
- Para view stored data, press and hold HOLD/MEMORY until "LOC" is displayed. If needed, press UNITS/LOC a view other memory locations.
- To exit memory mode, press HOLD/MEMORY de novo.
- To clear all data, press and hold HOLD/MEMORY until "CLR" is displayed, then press ZERO/STORE.
5.5 DAMPING Function
- Mantén premido HOLD/MEMORY until "DAMP" is displayed, then release the HOLD/MEMORY botón.
- Preme ZERO/STORE or UNITS/LOC to adjust the damping level from 1 to 8 (default is 3).
- To exit dampmodo ing, prema HOLD/MEMORY de novo.
6. Mantemento
6.1 Limpeza
Wipe the exterior of the manometer with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the housing or display.
6.2 Substitución da batería
When the "LOW BAT" indicator appears on the display, replace the 9V battery as described in Section 4.1. Prompt battery replacement ensures continued accurate operation.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende. | Batería descargada ou instalada incorrectamente. | Substitúa a batería, asegurándose de manter a polaridade correcta. |
| Lecturas imprecisas ou fluctuantes. | Manometer not zeroed; pressure leaks; unstable pressure source. | Perform ZERO function; check all tubing connections for leaks; ensure stable pressure source. |
| "LOW BAT" indicator displayed. | A batería está baixa. | Substitúe a batería de 9V. |
8. Especificacións
- Modelo: 477B-3
- Rango: 0 to 200" wc (0 to 49.82 kPa)
- Precisión: ±0.1% FS
- Material da carcasa: Aluminio
- Memoria: 40 lecturas
- Fonte de enerxía: 9V battery (DURACELL MN 1604, EVEREADY 522, or equivalent)
- Fabricante: Dwyer
- UPC: 782568954475
9. Garantía e soporte
Specific warranty information for the Dwyer 477B-3 Digital Manometer is not provided in the product data. Please refer to the official Dwyer website or contact your authorized dealer for detailed warranty terms and conditions.
For technical support or service inquiries, please contact Dwyer Instruments, Inc. directly or consult their official documentation.