INFURIDER YF-189A Digital Differential Pressure Gauge User Manual

1. Vokatra mihoatraview

The INFURIDER YF-189A is a high-precision digital differential pressure gauge designed for measuring positive, negative, and differential pressure. It features a large LCD screen with backlight for clear readings in various lighting conditions. This device is suitable for a wide range of applications including HVAC systems, air conditioning, ventilation, gas measurement, and laboratory research.

Lafin-javatra fototra:

• High accuracy: ±0.3%FS with 0.001 resolution.
• Wide measurement range: ±2psi or ±13.79Kpa.
• 11 selectable pressure units: mmHg, inHg, ftH₂O, cmH₂O, inH₂O, KPa, mbar, bar, psi, Kgcm², ozin².
• Multi-functional modes: Data Hold, Differential (DIF) mode, Record (REC) mode for MAX/MIN/AVG values.
• Automatic shutdown after 25 minutes of inactivity to conserve battery life.
• Dual ports for connecting 4mm diameter hoses to test gas pressure in two containers.

Sary 1: Eo anoloana sy ilany view of the INFURIDER YF-189A with labeled components including LCD screen, ON/OFF button, Unit Switch, Record button, Hold Data button, DIF Mode button, Tube Connectors, Protection Cover, and Battery Door.

2. Ny votoatin'ny fonosana

Alohan'ny hampiasana ity fitaovana ity dia azafady mba hamarino tsara fa eo daholo ireo entana voatanisa etsy ambany ary ao anatin'ny toe-javatra tsara.

• 1 x INFURIDER YF-189A Digital Differential Pressure Gauge with Strap
• 2 x AAA Batterie
• 4 x Soft Hoses (1/8 inch / 3.18 mm quick connectors)
• 1 x kitapo fiarovana
• 1 x Small Screwdriver
• 1 x User Manual
• 1 x Metal Terminal

Sary 2: Ireo entana rehetra tafiditra ao anaty fonosan'ny vokatra.

3. Fametrahana

3.1 Fametrahana bateria

1. Tadiavo ny toerana misy ny bateria ao ambadiky ny fitaovana.
2. Use the provided small screwdriver to open the battery compartment cover.
3. Ampidiro ny bateria AAA roa, hiantohana ny polarity marina (+/-).
4. Soloy ny fonon'ny batterie ary arotsaho amin'ny visy izany.

3.2 Connecting Hoses

1. Identify the positive (+) and negative (-) pressure ports at the top of the device.
2. Connect the soft hoses (1/8 inch / 3.18 mm quick connectors) to the desired ports based on your measurement requirements.
3. Ensure the connections are secure to prevent leaks.

4. Torolàlana miasa

4.1 Power On/off

• Tsindrio ny ON/OFF bokotra hampandeha ny fitaovana.
• Raha hamono azy, tsindrio ary hazòny ny ON/OFF bokotra mandra-pamono ny fampisehoana.
• The device will automatically shut down after approximately 25 minutes of inactivity.

4.2 Fifantenana vondrona

• Tsindrio ny UNIT button to cycle through the 11 available pressure units (mmHg, inHg, ftH₂O, cmH₂O, inH₂O, KPa, mbar, bar, psi, Kgcm², ozin²).
• Select the appropriate unit for your measurement.

4.3 Asa jiro miverina

• Tsindrio ny Jiro lamosina button (light bulb icon) to turn the LCD backlight on or off. This improves visibility in low-light conditions.

4.4 Fihazonana angon-drakitra

• During measurement, press the MANOHANA button to freeze the current reading on the display.
• mpanao gazety MANOHANA again to release the data hold and resume live measurement.

4.5 Differential (DIF) Mode

• Tsindrio ny DIF button to activate differential pressure measurement. This mode displays the difference between the two input pressures.
• mpanao gazety DIF again to exit differential mode.

4.6 Record (REC) Mode

• Tsindrio ny REC button to enter recording mode. The device will start recording maximum (MAX), minimum (MIN), and average (AVG) pressure values.
• While in REC mode, you can cycle through MAX, MIN, and AVG readings by pressing the REC bokotra miverimberina.
• To exit REC mode, press and hold the REC bokotra.

5. Fikojakojana

Proper maintenance ensures the longevity and accuracy of your INFURIDER YF-189A differential pressure gauge.

• Fanadiovana: Fafao amin'ny lamba malefaka sy maina ilay fitaovana. Aza mampiasa mpanadio abrasive na solvents.
• fitahirizana: When not in use, store the device in the provided protective bag to shield the ports from dust and rust. Store in a cool, dry place away from direct sunlight and extreme temperatures.
• Fanoloana bateria: Replace batteries when the low battery indicator appears on the display to ensure continuous operation and prevent data loss.
• Sarona fiarovana: Always use the ABS plastic protection cover over the tube connectors when the device is not in use to prevent damage and contamination.

Figure 3: The device features an ABS plastic cover to protect connectors and a lanyard for portability and durability.

6. Famahana olana

If you encounter issues with your INFURIDER YF-189A, refer to the following common problems and solutions:

• Tsy mandeha ny fitaovana:
  • Hamarino raha toa ka napetraka tsara miaraka amin'ny polarity mety ny bateria.
  • Soloy ny bateria AAA vaovao.
• Display shows "ERR1" or "ERR2":
  • These error codes indicate that the measured pressure is outside the device's specified range (±6 Psi). Reduce the applied pressure or ensure the pressure is within the operational limits.
• Vakiteny tsy marina:
  • Ensure hoses are securely connected and free from kinks or blockages.
  • Verify that the selected unit is appropriate for the measurement.
  • Ensure the device is operating within the specified temperature range (0~40℃).
• Backlight tsy mandeha:
  • Check battery level. Low batteries may affect backlight functionality.

7. Famaritana

Figure 4: Detailed table of measurement units, their respective ranges, and resolutions.

8. Warranty & Fanohanana

INFURIDER provides a 365-day warranty for this product. If you have any questions, concerns, or require assistance with your INFURIDER YF-189A Digital Differential Pressure Gauge, please do not hesitate to contact INFURIDER customer support. Refer to the product packaging or the official INFURIDER webtranokala momba ny fifandraisana.