Features:
1.【Portable Manometer with ABS Material and LCD Display】The handheld digital pressure gauge is made of ABS material, and the excellent performance of high-temperature resistance and impact resistance makes the air pressure meter have a long service life. HD display, support LCD backlight, convenient lighting operation, display data clearer and easier to read.
2.【Multifunctional Pressure Gauge with Accurate Readings】The digital pressure gauge adopts a high-quality pressure sensor, which has the characteristics of high precision and wide range. High-precision ADC and low-power MCU. Maximum/minimum mode and DIF mode. Professional air pressure gauges are specially used for gas measurement and calibration, gas pressure system troubleshooting, laboratory testing, maintenance and installation of blowers, clean rooms, boilers and other gas appliances.
3.【Differential Pressure Gauge with 13 Selectable Units】The length of the two hoses in the gas pressure gauge set is 25cm; The thread size of the barb metal connector is 1/8 inch; 12 optional units (mmHg, inHg, ftH2O, cmH2O, imH2O, Pa, KPa, mbar, bar, psi, Kgcm² ,unHG and ozin²)
4.【Manometer for Measuring Positive and Negative Pressure】There are two ports on the top of the differential pressure meter, one for testing positive pressure and the other for testing negative pressure. You can select any port to test the pressure difference (P1-P2) between the two areas. Using the single pipe connector of the air pressure meter, you can quickly measure the current pressure value (relative to the current atmospheric pressure).
5.【Digital Manometer with Data Recording & Holding Function】Gas manometer data storage: 100 groups; the user-friendly design of the manometer gas pressure tester recording test data function is convenient for users to view after testing; automatic shutdown: no operation after about 15 minutes; low battery reminder: ≤6.8V 【Note】Battery: 1* 6F22, 9V, 250mAh (not included in the package)
6.【Manometer Gas Pressure Tester with Data Zero Function】The "return to zero" function of the manometer gauge data is easy to operate so that your readings are accurate. If you are hand holding the device, it tends to drift from zero readings, so it is best to place the manometer on a stable surface, zero it out, leave it there to take the accurate reading.


13 Selectable Units 
mmHg, inHg, ftH2O, cmH2O, imH2O, Pa, KPa, mbar, bar, psi, Kgcm² ,unHG and ozin² 
Wide Application
It can be used for gas measurement and calibration, gas pressure system troubleshooting, laboratory testing, maintenance and installation of blowers, clean rooms, boilers and other gas appliances.
Dual-port
LCD Screen Support Backlight




UNITS Button

Power on status:

1. Press this button to switch the pressure unit.

2. Press this button over 2 seconds to clear the stored datas.

HOLD Button

Power on status:

1. Press this button to hold the reading display and another operation

2. Press this button over 2 seconds to make reading zero.

DIF Button

Power on status:

1. Press this button to look up stored datas.

2. Press this button over 2 seconds first time to exit datas.

3. Press this button over 2 seconds twice to enter DIF measuring mode.


FAQ

Q: The unit is working, why does it suddenly stop working?

A: If there is no operation for 15-20 minutes after power is on, the tester will automatically shut down to avoid wasting power.

Q: Why does the manometer not respond after installing the battery?

A: Please check whether the battery sheet in the battery compartment that is in contact with the battery is concave. If it is concave, the contact is not good and cannot be powered on. You can use something to tilt the battery sheet up a little and the device can be powered on and work normally.




Specification:
Measuring Range:+20.68 KPa/+2.999 PSi
Measurement Unit :13 kinds of units
Accuracy:±0.3% FSO (25°C)
Repeatability:±0.2% (Max ±0.5%FSO) 
Linearity / Hysteresis:±0.29% FSO (25°C)
Measurement Rate :0.5s
Data Storage:100 groups
Maximum Pressure:20KPa
Indoor Temperature Measurement:Optional °C/9F unit
Automatic Shut-down Time:15 minutes
Exceed the Positive Pressure Range Display:Err0
Exceed the Negative Pressure Range Display:Err1
Working Temperature:0~50°C (32~122"F)
Storage Temperature:-10~60°C (14~140°F)
Power Supply:9V
Dimensions:150* 72* 35mm		 Package:
1x Digital Manometer
1x Barb Metal Connector
2x Soft Tubes
1x Package box
1x User manual


Shipping:
As for delivery,We provide economic shipping and express shipping. Express shipping ,such as,Fedex, TNT, UPS, DHL and EMS etc. Excellent Services are used as per customers' request. But pls be known that different shipping service means different shipping charge and shipping time! All packages will be added with a tracking number. The item will be shipped directly from the factory! We will try our best to give customers good and pleasant parchasing experience!!! Welcome your any-time order!!! 

Shipping

Payment:
 1. We accept PayPal only.
2. Credit card (Visa, Eurocard/MasterCard, Amex, and Switch or Visa/Delta) payment can be accepted ONLY through PayPal (You don't need a PayPal account)!
3. Other payment methods (Bank transfer, Cheque, etc.) are NOT acceptable !
4. Please make the payment within 3 days. 

RETURNS

Return policy:
•All of our items are backed with a 30-day return policy. We ensure all our items are new and in excellent condition prior to
shipping. In case you receive the item that is not to the standards above, please contact us via e-Bay messages. All returns
must be in new original condition as received and should be shipped with delivery confirmation
•Please note that all returns must be pre-approved by us. Unauthorized returns will not be accepted. If you need to return,
please check twice to confirm the item not work and contact our customer service representative, let us know the detailed
problem and send us some pictures for confirmation.

FEEDBACK

2 Years Warranty:
For damage caused by non-human factors, we promise to resend parts for free within 2 years. For any needs,you are warmly
welcomed to contact us and we will get back to you ASAP within 24 hours.

ABOUT US

About us:

1.Our customer-oriented service strives for good buying experience.
    2.Please feel free to contact us via eBay message once you have any question. We will reply you within 24 business hours.
    3.Business time: 8:30-18:00 from Monday to Friday 9:00-12:00 Saturday

 

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