1. הקדמה
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. זיכערקייַט אינפֿאָרמאַציע
שטענדיק אָבסערווירן די פאלגענדע זיכערהייט מיטלען צו פאַרמייַדן שאָדן און ויסמיידן שעדיקן צו די ינסטרומענט:
- 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 only the specified battery type for replacement.
- האַלטן די מיטל ריין און פריי פון דעבריס.
3. פּראָדוקט איבערview
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 פראָנט פּאַנעל
פיגורע 1: פראָנט view of the Dwyer 477B-3 Digital Manometer, showing the digital display and control buttons.
די פראָנט טאַפליע כולל:
- דיגיטאַל ווייַז: Shows pressure readings and operational indicators.
- ON/OFF קנעפּל: מאַכט אָן אָדער אויס דעם אַפּאַראַט.
- 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 צוריק פּאַנעל
פיגורע 2: צוריק 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. סעטאַפּ
4.1 באַטאַרייע ייַנמאָנטירונג
פיגורע 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.
- לייג צוריק דעם באַטעריע דעקל און באַפעסטיקט עס מיט די שרויפן.
4.2 ערשט מאַכט-אויף
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. אַפּערייטינג ינסטרוקטיאָנס
5.1 ON/OFF Function
- דרוק די 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 קנעפּל.
5.2 ZERO Function
- Vent both pressure ports to the atmosphere.
- דריקן און האַלטן די ZERO/STORE button until the LCD displays "----", then release it. The manometer is now zeroed.
5.3 UNITS/LOC Function
- דרוק די UNITS/LOC button to cycle through and select desired measurement units.
5.4 HOLD/MEMORY Function
- Hold Reading: דרוק די HOLD/MEMORY button to hold the current reading on the display. Press it again to resume measurement.
- זכּרון פֿונקציע:
- 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.
- צו view stored data, press and hold HOLD/MEMORY until "LOC" is displayed. If needed, press UNITS/LOC צו view other memory locations.
- To exit memory mode, press HOLD/MEMORY ווידער.
- To clear all data, press and hold HOLD/MEMORY until "CLR" is displayed, then press ZERO/STORE.
5.5 דAMPING Function
- דריקן און האַלטן HOLD/MEMORY until "DAMP" is displayed, then release the HOLD/MEMORY קנעפּל.
- דרוק ZERO/STORE or UNITS/LOC to adjust the damping level from 1 to 8 (default is 3).
- To exit dampאין מאָדע, דריקן HOLD/MEMORY ווידער.
6. וישאַלט
6.1 רייניקונג
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 באַטערי פאַרבייַט
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. טראָובלעשאָאָטינג
| פּראָבלעם | מעגלעך סיבה | לייזונג |
|---|---|---|
| די מיטל טוט נישט מאַכט אויף. | טויטע אדער נישט ריכטיק אינסטאלירטע באַטעריע. | Replace battery, ensuring correct polarity. |
| נישט פּינקטלעכע אָדער פלוקטויִרנדיקע לייענונגען. | 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. | די באַטאַרייע איז נידעריק. | פאַרבייַטן די 9 וו באַטאַרייע. |
8. ספּעסאַפאַקיישאַנז
- מאָדעל: 477ב-3
- קייט: 0 to 200" wc (0 to 49.82 kPa)
- אַקיעראַסי: ± 0.1% FS
- האָוסינג מאַטעריאַל: אַלומינום
- זכּרון: 40 רידינגז
- מאַכט מקור: 9V battery (DURACELL MN 1604, EVEREADY 522, or equivalent)
- פאַבריקאַנט: דווייער
- UPC: 782568954475
9. וואָראַנטי און שטיצן
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.
