Dwyer 475-1-FM санариптик манометрдин колдонуу боюнча колдонмосу

1. Киришүү

The Dwyer 475-1-FM Handheld Digital Manometer is designed for fast, accurate positive, negative, and differential pressure measurements. This device is suitable for use with air and compatible combustible gases. Its robust design and intrinsic safety features make it ideal for various industrial and scientific applications, including HVAC system monitoring, clean rooms, fume hoods, and isolation cabinets.

2. Коопсуздук маалыматы

2.1 Ички коопсуз иштөө

The Dwyer 475 Series Manometer is FM-approved intrinsically safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations. Adhere to all local and national safety regulations when operating in such environments.

2.2 Gas Compatibility

This manometer is compatible with air and compatible combustible gases. Do not use with incompatible or corrosive gases, as this may damage the instrument and pose a safety risk. Always verify gas compatibility before connecting the manometer.

2.3 Жалпы сактык чаралары

• Ensure the manometer is in good working condition before each use.
• Аппаратты түшүрүүдөн же катуу соккудан сактаныңыз.
• Do not attempt to open or repair the unit yourself, as this may void the warranty and compromise intrinsic safety.
• Түзмөктү өтө жогорку температурадан жана нымдуулуктан алыс кармаңыз.

3. Пакеттин мазмуну

Төмөндө тизмеленген нерселердин баары пакетиңизде бар экенин текшериңиз:

• Dwyer 475-1-FM Handheld Digital Manometer
• Rubber Latex Tubing (3/16 inch ID, 9 foot length)
• Билек боосу
• 9V щелочтуу батарейка
• Иштөө нускамалары (бул колдонмо)

Image: The Dwyer 475-1-FM Digital Manometer shown alongside the included rubber latex tubing. The manometer features a digital display and control buttons for ON/OFF, ZERO, and UNITS.

4. Орнотуу

4.1 Батареяны орнотуу

1. Locate the battery compartment cover on the back of the manometer.
2. Капкакты алып салыңыз.
3. Insert the supplied 9V alkaline battery, ensuring correct polarity.
4. Батарея бөлүкчөсүнүн капкагын бекем орнотуңуз.

4.2 Tubing Connection

The manometer features two barbed connections for tubing. These connections accept 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing.

1. For positive pressure, connect the tubing from the pressure source to the positive (+) port.
2. For negative pressure (vacuum), connect the tubing from the vacuum source to the negative (-) port.
3. For differential pressure, connect the higher pressure source to the positive (+) port and the lower pressure source to the negative (-) port.
4. Ensure tubing connections are snug to prevent leaks.

5. Иштөө нускамалары

5.1 Күйгүзүү/өчүрүү

• басыңыз КҮЙГҮЗҮҮ/ӨЧҮРҮҮ аппаратты иштетүү үчүн баскыч.
• басыңыз КҮЙГҮЗҮҮ/ӨЧҮРҮҮ button again to power off the device.

5.2 Auto Zero Function

Before taking a measurement, it is crucial to zero the instrument for accuracy.

1. Ensure both pressure ports are open to atmospheric pressure (disconnected from any pressure source).
2. басыңыз НӨЛ button. The display will show '0.00' or a similar indication, confirming the zeroing process.

5.3 Pressure Unit Selection

The manometer allows selection between U.S. and metric pressure units.

• басыңыз БИРДИКТЕР button to cycle through available pressure units (e.g., in. w.c., kPa).
• Өлчөөңүз үчүн керектүү бирдикти тандаңыз.

5.4 Өлчөөлөрдү алуу

1. Perform the Auto Zero function as described in Section 5.2.
2. Connect the tubing to the appropriate pressure source(s) as described in Section 4.2.
3. The large LCD will display the pressure reading in the selected units.
4. The manometer can display positive, negative, or differential pressures.

6. Техникалык тейлөө

6.1 Тазалоо

Wipe the exterior of the manometer with a soft, damp кездеме. Абразивдүү тазалоочу каражаттарды же эриткичтерди колдонбоңуз, анткени алар териге зыян келтириши мүмкүн.asing же дисплей.

6.2 Батареяны алмаштыруу

When the battery indicator appears on the display, replace the 9V alkaline battery following the steps in Section 4.1. A fresh battery provides up to 100 hours of operation.

6.3 Сактоо

Store the manometer in a dry, cool place, away from direct sunlight and extreme temperatures. Disconnect tubing and remove the battery if storing for extended periods to prevent leakage.

7. Кыйынчылыктарды

8. Техникалык шарттар

• Кош диапазон: 0-20.00" w.c. (4.982 kPa)
• Тактыгы:
  • ±0.5% Full Scale, 60 to 78°F (15.6 to 25.6°C)
  • ±1.5% Full Scale, 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C)
• Басым гистерезиси: Толук масштабдын ±0.1%
• Температуранын чектери: 0…140°F (-17.8…60°C)
• Компенсацияланган температуранын чектери: 32…104°F (0…40°C)
• Сактоо температурасынын чектери: -4…176°F (-20…80°C)
• Дисплей: 0.42" (10.6 mm) 4-digit LCD
• Энергияга талаптар: 9V alkaline battery (user replaceable)
• Салмагы: 10.8 унц. (306 г)
• Процесс байланыштары: Two barbed connections for 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing
• Кызмат: Air and compatible combustible gases
• Агенттиктин уруксаттары: CE, FM (Intrinsically Safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations)
• Өлчөмдөрү: 6.5 x 3.5 x 0.75 дюйм
• Материал: Latex, Rubber (for tubing)

9. Кепилдик жана колдоо

9.1 Кепилдик маалыматы

Dwyer Instruments, Inc. warrants this product to be free from defects in material and workmanship for a period of one year from the date of purchase. For full warranty details and conditions, please refer to the official Dwyer Instruments webсайтка же кардарларды колдоо менен байланышыңыз.

9.2 Техникалык колдоо

For technical assistance, troubleshooting beyond this manual, or to inquire about repairs, please contact Dwyer Instruments customer service. Contact information can typically be found on the manufacturer's official webсайтында же продуктунун таңгагында.