1. Introducció
The AOPUTTRIVER AP-189A is a high-precision digital manometer designed for measuring differential, positive, and negative pressure. It is widely used in various applications including flow measurement, air quality monitoring, level measurement, gas temperature measurement, and HVAC system control. This manual provides detailed instructions for the safe and effective use of your device.
The device features a large LCD with backlight, data hold function, automatic power-off, and the ability to record maximum, minimum, and average values, as well as differential pressure (DIF). It supports 11 selectable pressure units for versatility in professional applications.
2. Característiques del producte
- Alta precisió: Measurement range of ±2.000psi with an accuracy of ±0.3%FSO (at 25°C).
- Unitats múltiples: Easily switch between 11 pressure units: Psi, kPa, Kgfcm2, ozin2, Bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O.
- Gravació de dades: Records MAX/MIN/AVG values for easy data analysis.
- Configuració zero: Allows for precise zero calibration before measurements.
- Pantalla multifunció: Large LCD with backlight for clear readings.
- Gestió d'energia: Low battery indicator and automatic power-off after 25 minutes of inactivity to conserve battery life.
- DIF Function: Measures differential pressure.
Imatge: Més deview of the AP-189A Digital Manometer's key features and specifications, including accuracy, repeatability, maximum pressure, and various functions like data hold, auto-off, and unit selection.
3. Contingut del paquet
Verifiqueu que tots els elements estiguin presents i en bon estat en obrir el paquet:
- 1 x AP-189A Digital Manometer
- 1 x bossa protectora
- 1 tornavís petit
- 2 piles AAA de 1.5 V
- 1 x User Manual (Japanese)
Image: The complete package contents of the AP-189A Digital Manometer, showing the device, a protective carrying bag, a small screwdriver, two AAA batteries, and the user manual.
4. Configuració
4.1 Instal·lació de la bateria
- Localitzeu la tapa del compartiment de la bateria a la part posterior del dispositiu.
- Feu servir el tornavís petit proporcionat per obrir el compartiment de la bateria.
- Introduïu dues piles AAA d'1.5 V, assegurant-vos de la polaritat correcta (+/-).
- Substituïu la tapa del compartiment de la bateria i fixeu-la amb el cargol.
4.2 Connexió de mànegues
The AP-189A features dual ports for differential pressure measurement. Connect the hoses to the appropriate ports (+ and -) based on your measurement requirements. Ensure a secure connection to prevent leaks.
Imatge: Una imatge detallada view of the AP-189A Digital Manometer, highlighting its dimensions and the dual port connections at the top for pressure hoses.
5. Instruccions de funcionament
5.1 Encès/Apagat
- Premeu el botó Botó d'engegada (
) to turn the device ON. - Manteniu premut el botó Botó d'engegada for a few seconds to turn the device OFF.
5.2 Ajust del zero
Before taking any measurements, it is crucial to perform a zero setting to ensure accuracy. Disconnect all pressure hoses from the device before performing this step.
- Ensure the device is powered on and no pressure is applied to the ports.
- Manteniu premut el botó MANTENIM botó durant aproximadament 5 segons.
- The display will show "----" indicating that the zero setting is complete.
Image: Visual guide demonstrating how to perform a zero setting on the manometer by long-pressing the HOLD button until the display shows dashes.
5.3 Selecció d'unitats
Premeu el botó UNITAT button to cycle through the 11 available pressure units (Psi, kPa, Kgfcm2, ozin2, Bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O) until your desired unit is displayed.
5.4 Funció de retroiluminació
Premeu el botó Botó de retroil·luminació () to turn the LCD backlight ON or OFF for improved visibility in low-light conditions.
5.5 Retenció de dades
Premeu el botó MANTENIM button briefly to freeze the current reading on the display. Press it again to release the hold function and resume live readings.
5.6 MAX/MIN/AVG/DIF Recording
Premeu el botó REC button to enter recording mode. In this mode, the device will track the maximum, minimum, and average pressure values. Press REC repeatedly to cycle through MAX, MIN, AVG, and DIF displays. To exit recording mode, press and hold the REC botó.
5.7 Apagat automàtic
The device will automatically power off after 25 minutes of inactivity to save battery life. This feature can typically be disabled or adjusted by pressing and holding specific buttons during power-on, as detailed in the full manual.
Image: A close-up of the AP-189A's LCD screen and control buttons, illustrating the functions of the Power, Hold, Unit, Backlight, Record, and DIF buttons.
6. Manteniment
- Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Store the manometer in its protective bag in a cool, dry place when not in use. Remove batteries if storing for extended periods to prevent leakage.
- Calibració: Regular calibration by a qualified technician is recommended to maintain measurement accuracy, especially for critical applications.
- Substitució de la bateria: Replace batteries promptly when the low battery indicator appears to ensure continuous operation and prevent data loss.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén | Bateries gastades o mal instal·lades | Comproveu la polaritat de la bateria; substituïu les piles. |
| Lectures inexactes | No zero setting performed; sensor obstruction; device not calibrated | Perform zero setting; ensure ports are clear; consider professional calibration. |
| Display shows "OL" or "Err" | Overload (pressure exceeds maximum limit) | Remove pressure immediately. Ensure pressure does not exceed 6 Psi. |
| La llum de fons no funciona | Backlight function off; low battery | Press the backlight button; replace batteries. |
8. Especificacions
- Interval de mesura: ± 2.000 psi
- Precisió: ±0.3%FSO (at 25°C)
- Repetibilitat: ±0.25%FSO
- Linearity/Hysteresis: ±0.1%FSO
- Limited Maximum Pressure: 6 psi
- Unitats: Psi, kPa, Kgfcm2, ozin2, Bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O
- Funcions: Backlight, Data Hold, Auto Power Off (25 min), MAX/MIN/AVG/DIF, Zero Setting
- Font d'alimentació: 2 piles AAA de 1.5 V
- Dimensions: Approximately 166mm x 62mm x 31mm (6.29in x 2.44in x 1.22in)
- Pes: Aproximadament 250 g
Image: A diagram illustrating the physical dimensions of the AP-189A Digital Manometer, including length, width, and thickness.
9. Garantia i Suport
The AOPUTTRIVER AP-189A Digital Manometer comes with a 365-day warranty and lifetime technical support. If you encounter any quality issues with the product, please contact our customer support team. We are committed to resolving any problems as quickly as possible.
For support, please refer to the contact information provided in your product packaging or visit the official AOPUTTRIVER weblloc.