1. تعارف
This manual provides detailed instructions for the proper use and maintenance of the Elitech PG-30Pro Digital Pressure Gauge. This device is designed for accurate pressure measurement in refrigeration and HVAC systems. Please read this manual thoroughly before operation to ensure correct usage and to prevent damage.

Figure 1: Elitech PG-30Pro Digital Pressure Gauge. This image displays the front view of the digital pressure gauge, featuring a blue face with a clear LCD screen, power button, 'SET' button, and 'ZERO' button. The 1/8'' NPT connection is visible at the bottom.
2. مصنوعات جون خاصيتون
- Stable and Reliable Sensor: Utilizes a temperature-compensated pressure sensor, ensuring temperature drift does not exceed ±0.04%FS/℃.
- LCD Screen & Blue Backlight Display: Features a partitioned display for various measurements, providing direct readings for all parameters. The blue backlight enhances visibility in low-light conditions.
- Various Refrigerants Options: Includes a built-in PT (Pressure-Temperature) comparison table for 87 common refrigerants, facilitating convenient selection.
- صفر فنڪشن: Allows for zeroing out any deviation at the zero point to correct the system and ensure accurate measurements.
- Overload Warning Indications: Displays 'ALARM' on the screen for overload conditions. If the overload is excessively high, 'ALARM' and the backlight will flash simultaneously.
- Max/Min Value Display and Reset: Records maximum and minimum pressure values, with an option to reset these values.
- Auto Shut-Off Setting: Features an automatic shut-off function to conserve battery power during periods of inactivity.
- Adjustable Temperature and Pressure Units: Supports various temperature units (°C / °F) and pressure units (psi, kg/cm², cmHg, bar, kPa, Mpa, kg/cm²).
- 1/8-inch NPT Fitting: Equipped with a standard 1/8-inch NPT fitting for broad compatibility with various systems.

شڪل 2: ختمview of Elitech PG-30Pro features. This graphic highlights key functionalities such as backlight display, Max/Min value, zeroing, refrigerant support, auto shut-off, and adjustable units.

Figure 3: Refrigerant compatibility of the Elitech PG-30Pro. This image illustrates the gauge's ability to work with over 90 types of refrigerants, including R12, R22, R134a, R290, R401A, R403A, R740, R744, R601, R143A, R32, R21, and R1234yf.
3. سيٽ اپ
3.1 بيٽري لڳائڻ
- ڊوائيس جي پوئين پاسي بيٽري جي ڪمپارٽمينٽ ڪَوَر کي ڳوليو.
- Remove the cover by twisting or sliding it according to the markings.
- ٻہ (2) AAA بيٽريون داخل ڪريو، صحيح پولارٽي (+/-) کي يقيني بڻايو جيئن ڪمري اندر ڏيکاريل آهي.
- بيٽري جي ڪمري واري ڍڪ کي محفوظ طور تي تبديل ڪريو.
3.2 شروعاتي ڪنيڪشن
- Ensure the system to which the gauge will be connected is depressurized or isolated.
- Carefully thread the 1/8'' NPT fitting of the digital pressure gauge onto the appropriate port of your HVAC or refrigeration system.
- Tighten the connection firmly by hand, then use a wrench for a final snug turn to prevent leaks. Do not overtighten.

Figure 4: Dimensions and 1/8-inch NPT fitting. This image shows the physical dimensions of the gauge and highlights the 1/8-inch NPT threaded connection for system integration.
4. آپريٽنگ هدايتون
4.1 پاور آن/آف
- ڊوائيس تي طاقت ڪرڻ لاء، دٻايو طاقت button (⏻) located at the top of the gauge.
- ڊوائيس کي بند ڪرڻ لاء، دٻايو ۽ رکو طاقت button (⏻) for approximately 3 seconds until the display turns off.
4.2 Zero Function
The zero function is used to correct any minor deviations at the zero pressure point before taking a measurement.
- Ensure the gauge is disconnected from any pressure source and is at ambient atmospheric pressure.
- کي دٻايو ٻُڙي button (▶) located at the bottom right of the gauge. The display should show 0.000 psi (or selected pressure unit).

Figure 5: Zeroing function button. This image highlights the 'ZERO' button on the gauge, indicating its use for resetting the pressure reading to zero.
4.3 Changing Units (Pressure/Temperature)
To cycle through available pressure and temperature units:
- کي دٻايو سيٽ button (◀) to enter the unit selection mode.
- استعمال ڪريو ٻُڙي button (▶) to cycle through the available pressure units (psi, kg/cm², cmHg, bar, kPa, Mpa, kg/cm²).
- کي دٻايو سيٽ button (◀) again to switch to temperature unit selection.
- استعمال ڪريو ٻُڙي button (▶) to select between °C and °F.
- کي دٻايو سيٽ button (◀) to confirm your selection and exit unit setting mode.

Figure 6: Adjustable temperature and pressure units. This graphic illustrates the various units available for both temperature (°C / °F) and pressure (psi, kg/cm², cmHg, bar, kPa, Mpa, kg/cm²).
4.4 Selecting Refrigerants
The gauge has a built-in database of refrigerants for PT comparison.
- While in normal measurement mode, press and hold the سيٽ button (◀) to enter refrigerant selection mode.
- استعمال ڪريو ٻُڙي button (▶) to scroll through the list of available refrigerants.
- Once the desired refrigerant is displayed, press the سيٽ button (◀) to confirm your selection and return to measurement mode.
4.5 Reading Measurements
Once connected and powered on, the gauge will display the current pressure and corresponding saturation temperature for the selected refrigerant on its LCD screen.
4.6 Max/Min Value Display and Reset
جي طرف view the recorded maximum and minimum pressure values:
- مختصر طور تي دٻايو طاقت button (⏻) during operation to cycle through current, maximum, and minimum pressure readings.
- To reset the recorded Max/Min values, press and hold the ٻُڙي button (▶) while the Max/Min values are displayed.

Figure 7: Max/Min value display and reset. This image illustrates how the power button is used to cycle through readings and the zero button to reset recorded maximum and minimum values.
4.7 Auto Shut-Off Setting
The gauge features an adjustable auto shut-off time to conserve battery life.
- To adjust the auto shut-off time, press and hold the سيٽ button (◀) until the auto shut-off setting appears.
- استعمال ڪريو ٻُڙي button (▶) to cycle through the available time options (e.g., 10 minutes, 20 minutes, Off).
- کي دٻايو سيٽ button (◀) to confirm your selection.

Figure 8: Auto shut-off setting. This image highlights the 'SET' button, used for configuring the automatic power-off duration to save battery life.
5. سار سنڀال
5.1 صفائي
- Wipe the exterior of the gauge with a soft, damp ڪپڙو. استعمال نه ڪريو abrasive cleaners يا solvents.
- Ensure no moisture enters the sensor port or battery compartment.
5.2 بيٽري مٽائڻ
- جڏهن ڊسپلي تي گهٽ بيٽري جو اشارو ظاهر ٿئي ته بيٽريون تبديل ڪريو.
- سيڪشن 3.1 ۾ بيان ڪيل بيٽري جي انسٽاليشن جي مرحلن تي عمل ڪريو.
- مقامي ضابطن جي مطابق استعمال ٿيل بيٽرين کي ختم ڪريو.
5.3 اسٽوريج
- Store the gauge in a dry, cool place away from direct sunlight and extreme temperatures.
- جيڪڏهن گهڻي عرصي تائين ذخيرو ڪري رهيا آهيو، ته پوءِ ليڪيج کي روڪڻ لاءِ بيٽريون هٽايو.
6. مسئلا حل ڪرڻ
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| Gauge does not power on | مئل يا غلط نصب ٿيل بيٽريون | بيٽريون تبديل ڪريو، صحيح پولارٽي کي يقيني بڻايو. |
| غلط دٻاء پڙهڻ | Gauge not zeroed; Sensor contamination; Incorrect unit selected | Perform zero function; Clean sensor port if accessible; Verify selected pressure unit. |
| Display shows 'ALARM' or flashes | Pressure overload | Immediately disconnect from pressure source. The gauge is operating beyond its specified range. |
| Backlight ڪم نه ڪندي | Low battery; Backlight setting off | Replace batteries; Check if backlight can be toggled (refer to operating instructions). |
7. وضاحتون
| تفصيل | تفصيل |
|---|---|
| ماڊل نمبر | پي جي-30 |
| پريشر رينج | -14.5 کان 500 PSI |
| ڪنيڪشن جو قسم | 1/8'' NPT |
| گرمي پد جي وهڪري | ±0.04%FS/℃ |
| ريفريجرينٽ سپورٽ | 87 types built-in |
| طاقت جو ذريعو | 2 x AAA بيٽريون |
| مواد | پلاسٽڪ |
| پيداوار جي ماپ (L x W x H) | 6.3 x 4.72 x 8.27 انچ |
| شيءِ جو وزن | 8.89 آونس |
8. وارنٽي ۽ سپورٽ
8.1 وارنٽي ڄاڻ
The Elitech PG-30Pro Digital Pressure Gauge comes with a 12-مهيني وارنٽي from the date of purchase, covering manufacturing defects and malfunctions under normal use. This warranty does not cover damage caused by misuse, accident, unauthorized modification, or improper installation.
8.2 ٽيڪنيڪل سپورٽ
For technical assistance, troubleshooting, or warranty claims, please contact Elitech customer support. 24/7 US Technician Support is available via email and phone.
- اي ميل: Refer to product packaging or Elitech official webرابطي جي تفصيل لاءِ سائيٽ.
- فون: Refer to product packaging or Elitech official webرابطي جي تفصيل لاءِ سائيٽ.





