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The AR1890 Digital Pressure Gauge is a professional high precision, high range, high resolution digital pressure gauge for indoor temperature measurement with a large screen display. It can quickly measure the pre-blue detection pressure value and has a dual channel that can simultaneously detect the pressure difference between two detection ports.
This instrument can measure the air pressure of the single pipe or the pressure difference between two detection ports. It offers 12 units of measurement and advanced features like DATA HOLD, MIN-MAX- AVG mode, ZERO, DATA RECORD, and AUTO POWER OFF. It is widely used in natural gas pipelines, air-conditioning refrigeration, and ventilation systems, mechanical hydraulics, plastic molding, biopharmaceutical molding, mining area pressure detection, gas, liquid, and production industrial equipment pressure detection.
FEATURES
- 12 selectable units of Measurement
- Pressure difference measurement
- Maximum / minimum / average data mode • Data hold function
- Data storage function with a time stamp
- Zero function
- Low battery alarm
- Automatic power off function
- Over range indicator: Hi, Lo
- USB for power supply
Fit In Most Gas Valves
Silicone Pressure Hose Size and Pressure Port Size
Key Description
- Temperature Display
- Low Power Symbol
- Hold Function
- Max/Min Reading
- Differential Pressure Mode
- Reading display
- Pressure Units
Instruction To Structure
- P1 Tube Connector (+)
- P2 Tube Connector (-)
- LCD Display
- BACKLIGHT Button
- DIF Button
- UN T Button
- MODE Button
- HOLD Button
- Power on/off Button
- Hanging Hole
- Battery Cover
- USB Socket (for power supply only)
One Set Included
- Digital Manometer x1
- Pressure Hose x2
- Pagoda Connector x2
- Stainless Steel Tube x1
- Protective Case x1
- USB Cable x1
- Quick Manual x1
- ADDITIONAL INFORMATION (Tube Material and Dimension: OD 5mm, ID 3mm, silicone pressure hose)
Professional Digital Air Pressure Meter & Manometer to Measure Gauge & Differential Pressure ±20.68kPa / ±3psi / ±83.02inH2O
Technical Performance
- Large LCD with backlight
- 12 selectable scales & units: psi, kgcm2, ozin2, bar, mbar, Pa, kPa, inHg, mmHg, in H2O, FtH2O, cmH2O
- Accuracy: ±0.3% FSO (25°C)
- Repeatability: ±0.2% (MAX ±0.5% FSO)
- Linearity/Hysteresis: ±0.29% FSO
- Measurement rate: 0.5s
- Data Storage: 99 groups
- Low Battery Indication
- Maximum withstand pressure: 50 KPa
- Positive pressure range display: Err0
- Over negative pressure range display: Err1
- Working Temperature: 0-50°C (32 - 122°F)
- Physical Dimension: 165 x 70 x 33mm
- Weight: 150g
Range Of Pressure Measurement
stephen donbeck
Reviewed in the United States on March 29, 2024
I used this to adjust the speed (combustion chamber vacuum) of my combustion blower on my pellet furnace. Instructions were easy to follow, and it worked fine and had the accuracy I needed.
JimLudden
Reviewed in the United States on September 10, 2023
Using to measure drop across air filter. Specs say 0.01 inch Water Column precision, but only reads 0.1 -- so lacking the specified precision. Should help me, tho.
Rick San
Reviewed in the United States on July 31, 2023
I needed this manometer today to measure HVAC static pressure. It arrived late, and without a static probe.Edit: The seller made it right.
David Foster
Reviewed in the United States on March 19, 2023
I've spent hundreds of dollars on manometer in the past. This one has a great price and accurately services the purpose in which I use it. I buy these for my technicians in my HVAC company. Great affordable and easy to use product.
Customer
Reviewed in the United States on November 6, 2020
This needs to be more universally adaptable with it's hose lines for checking pressures. So either provide multiple sets of clear or even colored hoses or/ and make the adapter valve ends more adjustable.
Tony D
Reviewed in the United States on August 11, 2019
Seems to work well for an inexpensive meter , could use a couple of adapters.
Timothy Salomon
Reviewed in the United States on October 13, 2019
I use this product to test ductwork and gas pressure on air conditioning and heating units. Works great, and the price is the best on Amazon when you add a probe for Static Pressure. Be aware the hose diameter is smaller than Fieldpiece or uei, 1/16" or 3/32" id on this product.
Customer
Reviewed in the United States on October 8, 2018
The is a great item, it does the job of many instruments, and the price was unbelievable. Needless to say, I'm happy with it.
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