1. Johdanto
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. Turvallisuustiedot
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.
- Käytä vaihdossa vain määritettyä paristotyyppiä.
- Pidä laite puhtaana ja puhtaana roskista.
3. Tuote ohiview
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 Etupaneeli
Kuva 1: Edessä view of the Dwyer 477B-3 Digital Manometer, showing the digital display and control buttons.
Etupaneeli sisältää:
- Digitaalinen näyttö: Shows pressure readings and operational indicators.
- ON/OFF-painike: Käynnistää tai sammuttaa laitteen.
- 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 Takapaneeli
Kuva 2: Takaisin 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. Asennus
4.1 Akun asennus
Kuva 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.
- Aseta paristokotelon kansi takaisin paikalleen ja kiinnitä se ruuveilla.
4.2 Ensimmäinen käynnistys
After battery installation, press the ON/OFF button to power on the device. The display will illuminate, indicating the device is ready for use.
5. Käyttöohjeet
5.1 ON/OFF Function
- Paina ON/OFF button to toggle the device on and off.
- Laite sammuu automaattisesti viiden minuutin käyttämättömyyden jälkeen akun säästämiseksi.
- To illuminate the display during power-on, hold the ON/OFF -painiketta.
5.2 ZERO Function
- Vent both pressure ports to the atmosphere.
- Paina ja pidä painettuna ZERO/STORE button until the LCD displays "----", then release it. The manometer is now zeroed.
5.3 UNITS/LOC Function
- Paina UNITS/LOC button to cycle through and select desired measurement units.
5.4 HOLD/MEMORY Function
- Pidä lukeminen: Paina HOLD/MEMORY button to hold the current reading on the display. Press it again to resume measurement.
- Muistin toiminto:
- 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.
- Vastaanottaja view stored data, press and hold HOLD/MEMORY until "LOC" is displayed. If needed, press UNITS/LOC to view other memory locations.
- To exit memory mode, press HOLD/MEMORY uudelleen.
- To clear all data, press and hold HOLD/MEMORY until "CLR" is displayed, then press ZERO/STORE.
5.5 DAMPING Function
- Paina ja pidä painettuna HOLD/MEMORY until "DAMP" is displayed, then release the HOLD/MEMORY -painiketta.
- Paina ZERO/STORE or UNITS/LOC to adjust the damping level from 1 to 8 (default is 3).
- To exit damptilassa, paina HOLD/MEMORY uudelleen.
6. Huolto
6.1 Puhdistus
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 Pariston vaihto
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. Vianmääritys
| Ongelma | Mahdollinen syy | Ratkaisu |
|---|---|---|
| Laite ei käynnisty. | Tyhjä tai väärin asennettu akku. | Vaihda paristo ja varmista oikea napaisuus. |
| Epätarkat tai vaihtelevat lukemat. | 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. | Akku on vähissä. | Vaihda 9 V: n paristo. |
8. Tekniset tiedot
- Malli: 477B-3
- Alue: 0 to 200" wc (0 to 49.82 kPa)
- Tarkkuus: ±0.1 % FS
- Kotelon materiaali: Alumiini
- Muisti: 40 XNUMX lukemaa
- Virtalähde: 9V battery (DURACELL MN 1604, EVEREADY 522, or equivalent)
- Valmistaja: Dwyer
- UPC: 782568954475
9. Takuu ja tuki
Specific warranty information for the Dwyer 477B-3 Digital Manometer is not provided in the product data. Please refer to the official Dwyer webverkkosivustolta tai ota yhteyttä valtuutettuun jälleenmyyjään saadaksesi tarkemmat takuuehdot.
For technical support or service inquiries, please contact Dwyer Instruments, Inc. directly or consult their official documentation.
