1. પરિચય
The AUTOOL PT530 Digital Differential Manometer is a versatile gas pressure tester designed for precise measurement of positive, negative, and differential pressure. It is suitable for a wide range of applications, including automotive diagnostics (such as intake manifold vacuum testing, brake booster pressure testing, crankcase negative pressure testing, and exhaust valve negative pressure testing) and industrial uses involving oil, water, air, and natural gas pipelines. This manual provides detailed instructions to ensure safe and effective use of your device.

Image 1: AUTOOL PT530 Digital Manometer highlighting its features and application range.
2. પેકેજ સામગ્રી
બધી વસ્તુઓ હાજર છે અને તેને કોઈ નુકસાન થયું નથી તેની ખાતરી કરવા માટે કૃપા કરીને પેકેજ કાળજીપૂર્વક તપાસો:
- AUTOOL PT530 Digital Differential Manometer Unit
- Flexible Tubes (clear, various lengths)
- Measurement Adapters (various diameters: OD 4-12mm, OD 20mm, OD 16mm, OD 9mm, OD 8mm, OD 6mm, OD 8-20mm)
- કેસ વહન
- વપરાશકર્તા માર્ગદર્શિકા (આ દસ્તાવેજ)

Image 2: Contents included in the AUTOOL PT530 package.
3. ઉત્પાદન ઓવરview
૩.૧ ઉપકરણ લેઆઉટ અને નિયંત્રણો

છબી 3: વિગતવાર view of the PT530 LCD display elements.
- Record Mode Indicator: Shows if recording is active.
- બેટરી ડિસ્પ્લે: વર્તમાન બેટરી સ્તર દર્શાવે છે.
- Data Records: Displays the current record number.
- મહત્તમ/ન્યૂનતમ મૂલ્યો: Shows the maximum and minimum recorded pressure values.
- Differential Pressure (ΔP): Displays the calculated differential pressure.
- Real-time Positive Pressure (IN1): Shows the pressure at input port (+).
- Real-time Negative Pressure (IN2): Shows the pressure at input port (-).
- કામ કરવાનો સમય: Displays the duration of the current measurement or recording session.
- View મોડ: Indicates if the device is in data review મોડ
- સ્ક્રિન લોક: Indicates if the screen is locked.
- બેકલાઇટ: Icon for backlight status.
- ધ્વનિ: Icon for sound status.
- દબાણ માપાંકન: Indicates calibration status.
- Pressure Differential Display: Main display area for pressure readings.
- યુનિટ ડિસ્પ્લે: Shows the currently selected pressure unit (e.g., hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, Kpa, kg/cm²).

Image 4: Physical components and button functions of the PT530 manometer.
- Pressure input port (+): Connect tube for positive pressure measurements.
- એલસીડી ડિસ્પ્લે સ્ક્રીન: Main display for readings and settings.
- OK / ▼ Button: Press to choose units; long press to enter setting mode and confirm selection.
- 🔒 Button: Press to enable/disable data lock.
- * / % Button: Long press to power on/off; double press to turn on/off backlight, double press to enable/disable key light/illumination light.
- Illumination Light: Provides light for working in dark environments.
- Pressure input port (-): Connect tube for negative pressure measurements.
- REC / Q Button: Press to enter recording mode; press again to start recording; long press to enter view mode/exit view મોડ
- P=0 Button: Press to clear interface data; long press for pressure calibration.
- બેટરી કમ્પાર્ટમેન્ટ: Houses 4*1.5V AAA batteries.
- TYPE-C ઇન્ટરફેસ: For potential future connectivity or power (refer to specific product documentation for details).
3.2 મુખ્ય લક્ષણો
- વિશાળ માપન શ્રેણી: -100 to 300 Kpa / -1000 to 3000 hpa.
- ઉચ્ચ ચોકસાઈ: ±0.25%FS.
- બહુવિધ એકમો: Supports 10 pressure units (hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, Kpa, kg/cm²).
- ડેટા મેનેજમેન્ટ: Data locking, storage (up to 29 sets), and reset functions.
- Max & Min Value Recording: Captures peak and trough readings.
- વપરાશકર્તા મૈત્રીપૂર્ણ ડિઝાઇન: Top illumination light and glowing buttons for low-light operation.
- અનુકૂળ સંગ્રહ: Magnetic back for hands-free attachment to metallic surfaces and a side lanyard.
- સ્વચાલિત પાવર-ઑફ: Conserves battery life after 10 minutes of inactivity.
4. સેટઅપ
4.1 બેટરી ઇન્સ્ટોલેશન
- Locate the battery compartment on the back of the device (K).
- બેટરી કમ્પાર્ટમેન્ટ કવર ખોલો.
- Insert four (4) 1.5V AAA batteries, ensuring correct polarity (+/-).
- બેટરી કમ્પાર્ટમેન્ટ કવર સુરક્ષિત રીતે બંધ કરો.
4.2 Connecting Measurement Tubes and Adapters
- Identify the pressure input ports (+) (A) and (-) (H) on the top of the device.
- Select the appropriate flexible tube and measurement adapter for your application. The device comes with various adapters for different pipeline diameters (e.g., OD 4-12mm, OD 20mm, OD 16mm, OD 9mm, OD 8mm, OD 6mm, OD 8-20mm).
- Securely attach one end of the flexible tube to the desired pressure input port on the manometer.
- Attach the selected measurement adapter to the other end of the flexible tube.
- Ensure all connections are tight to prevent leaks, which could affect measurement accuracy.

Image 5: Various measurement adapters for different pipeline diameters.
5. ઓપરેટિંગ સૂચનાઓ
5.1 પાવર ચાલુ/બંધ
- પાવર ચાલુ કરવા માટે: Long press the `* / %` button (E).
- પાવર ઓફ કરવા માટે: Long press the `* / %` button (E). The device also features automatic power-off after 10 minutes of inactivity.
5.2 એકમ પસંદગી
- Press the `OK / ▼` button (C) to cycle through the available measurement units (hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, Kpa, kg/cm²).
- પસંદ કરેલ યુનિટ LCD સ્ક્રીન પર પ્રદર્શિત થશે.

Image 6: Table detailing supported measurement units, ranges, and resolutions.
5.3 Data Locking and Storage
- Data Lock: Press the `🔒` button (D) to lock the current reading on the display. Press again to unlock.
- ડેટા સ્ટોરેજ: The device can store up to 29 sets of data. Specific steps for saving data are typically initiated during recording mode.
- Max & Min Value Recording: The device automatically records and displays the maximum and minimum pressure values during a measurement session.

Image 7: Data locking and storage capabilities of the PT530.
5.4 Data Zeroing and Pressure Calibration
- Data Zeroing: Press the `P=0` button (J) to clear the current interface data and set the reading to zero. This is useful before starting a new measurement to ensure accuracy.
- દબાણ માપાંકન: Long press the `P=0` button (J) to enter pressure calibration mode. Follow on-screen prompts for calibration. Ensure no pressure is applied during zeroing or calibration.
5.5 Recording Mode and Data Review
- રેકોર્ડિંગ મોડ દાખલ કરો: Press the `REC / Q` button (I).
- રેકોર્ડિંગ શરૂ કરો: Press the `REC / Q` button (I) again to begin recording data.
- View Recorded Data: Long press the `REC / Q` button (I) to enter view mode and review the stored 29 data sets.
- બહાર નીકળો View મોડ: Long press the `REC / Q` button (I) again to exit view મોડ
5.6 Backlight and Illumination Light
- બેકલાઇટ ચાલુ/બંધ: Double press the `* / %` button (E) to toggle the display backlight.
- Illumination Light On/Off: Double press the `* / %` button (E) to toggle the top illumination light (F). This is useful for working in dimly lit areas.

Image 8: Thoughtful design details including glowing buttons and top illumination light.
6. અરજીઓ
The AUTOOL PT530 Digital Differential Manometer is designed for a wide range of pressure testing scenarios:
- ઓટોમોટિવ ડાયગ્નોસ્ટિક્સ:
- Intake manifold vacuum degree negative pressure testing.
- Brake booster pressure testing.
- Crankcase negative pressure testing.
- Exhaust valve negative pressure testing.
- General Pressure Measurement:
- Suitable for measuring pressure in systems involving oil, water, air, and natural gas.
- Can be used with various diameter pipelines using the provided adapters.

છબી ૪.૧: ઉદાહરણamples of the PT530's wide application range in automotive testing.

Image 10: Versatile compatibility for measuring pressure in oil, water, air, and natural gas systems.
7. જાળવણી
- સફાઈ: ઉપકરણને નરમ, સૂકા કપડાથી સાફ કરો. ઘર્ષક ક્લીનર્સ અથવા સોલવન્ટનો ઉપયોગ કરશો નહીં.
- સંગ્રહ: When not in use, store the manometer in its carrying case in a dry place, away from direct sunlight and extreme temperatures. The recommended storage temperature is -20°C to 65°C.
- બેટરી રિપ્લેસમેન્ટ: Replace batteries when the low battery indicator appears on the display. Ensure to use four (4) new 1.5V AAA batteries.
- સ્વચાલિત પાવર-ઑફ: The device will automatically shut down after 10 minutes of no pressure or no operation to conserve battery life.
- Magnetic Back and Lanyard: Utilize the magnetic back for hands-free attachment to metallic surfaces during use, and the side lanyard for secure handling.

Image 11: Magnetic back and side lanyard for convenient storage and handling.
8. મુશ્કેલીનિવારણ
- અચોક્કસ વાંચન:
- Ensure tubes and adapters are securely connected and free from leaks.
- Perform a data zeroing (press `P=0` button) before each measurement.
- If readings remain inaccurate, perform a pressure calibration (long press `P=0` button) in a no-pressure environment.
- ઉપકરણ ચાલુ નથી:
- બેટરી ઇન્સ્ટોલેશન તપાસો અને યોગ્ય પોલેરિટી ખાતરી કરો.
- બેટરીઓને નવી 1.5V AAA બેટરીથી બદલો.
- Ensure the power button (`* / %`) is long-pressed sufficiently.
- Display Not Visible/Dim:
- Double press the `* / %` button to activate the backlight.
- બેટરી લેવલ તપાસો અને જો ઓછી હોય તો બદલો.
- No Data Recording:
- Ensure you have entered recording mode by pressing `REC / Q` and then pressed it again to start recording.
- Check if the device has sufficient memory (up to 29 sets).
9. સ્પષ્ટીકરણો
| લક્ષણ | સ્પષ્ટીકરણ |
|---|---|
| બ્રાન્ડ નામ | AUTOOL |
| મોડલ નંબર | Digital Differential Manometer (PT530) |
| માપન શ્રેણીઓ | -100 to 300 Kpa, -1000 to 3000 hpa |
| માપન ચોકસાઈ | ±0.25%FS |
| ઠરાવ | 0.1 Kpa, 1 hpa |
| પાવર સપ્લાય | 4 * 1.5V AAA batteries |
| ઓપરેટિંગ તાપમાન | -10°C થી 60°C |
| સંગ્રહ તાપમાન | -20°C થી 65°C |
| માપન એકમો | hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, Kpa, kg/cm² |
| ડેટા સ્ટોરેજ ક્ષમતા | 29 સેટ સુધી |
| પ્રમાણપત્ર | CE |

Image 12: Details on the high-precision pressure sensor, measurement accuracy, range, and resolution.
10. વપરાશકર્તા ટિપ્સ
- Always perform a zeroing operation before taking critical measurements to ensure the highest accuracy.
- When testing automotive systems, ensure the engine is off and cooled down before connecting tubes to avoid injury or damage.
- Utilize the magnetic back to secure the device to metallic surfaces in the engine bay for hands-free operation, improving safety and convenience.
- For prolonged storage, remove the batteries to prevent leakage and potential damage to the device.
11. વોરંટી અને સપોર્ટ
The AUTOOL PT530 Digital Differential Manometer comes with a 3 વર્ષની વોરંટી from AUTOOL authorized stores. This warranty covers manufacturing defects and ensures product quality. For any issues or support inquiries, please contact your authorized AUTOOL dealer or the official AUTOOL customer service.

Image 13: AUTOOL's commitment to quality with a 3-year product warranty.





