1. [PROFESSIONAL PRESSURE GAUGE] Test the differential pressure of areas and pipes with wide range and Precision Machined
2. [CLEAR DISPLAY] 2.7\" backlit LCD screen for easy reading in any environment
3. [12 UNITS OF MEASUREMENT] Choose from hpa, kpa, mmHg, psi, mbar, bar and more for versatile measurements
4. [USER-FRIENDLY] Features data storage, /min value measurement and low battery indicator
5. [COMPACT AND LIGHTWEIGHT] Easy to carry with protective bag, ideal for chemical and electrical industries

Technical data:
Features:
Professional pressure gauge: It can test the differential pressure of areas and pipes as well as the wind speed of pipelines. It has a wide pressure range and accuracy of +/-0.1%.
Clear display: 2.7 inch backlit LCD screen for easy reading.
12 measurement unit choices: hpa, kpa, mmHg, psi, mbar, bar, ozin2, inHg, kgcm2, inH2O, ftH2o, cmH2O.
Other features: ./Min. Value measurement function, data record, data hold function and zero point function.
User-friendly prompt: low battery indicator, high and low over-range indicator.
Low power consumption and : powered by 3 AAA batteries (NOT included), auto power off after 15 minutes of non-operation.
Compact size and light weight: Easy to use and carry, also equipped with a protective zipper bag.
Wide applications: Application in chemical industry, electrical industry, nuclear industry for measuring air pressure difference, etc
Technical data:
Model: / AS511B (optional)
:
Differential pressure measuring range: -39.98-39.98 kPa
Maximum continuous load pressure range: -79.96 to 79.96 kPa
Pressure resolution: 0.01 kPa
Accuracy: ±1% FS, maximum error: ±400 Pa
AS511B:
Differential pressure measurement range: -206.8 ~ 206.8 kPa
Maximum continuous load pressure range: -413.6 to 413.6 kPa
Pressure resolution: 0.1 kPa
Accuracy: ±1%FS, maximum Error: ±2.08 KPa
Measurement selection rate: 0.5 seconds
Unit: hpa, kpa, mmHg, psi, mbar, bar, ozin2, inHg, kgcm2, inH2O, ftH2o, cmH2O
Temperature measurement range: -10~60℃
Humidity measurement range: 5-99% relative Humidity
Temperature Accuracy: ±2℃
Humidity Accuracy: ±5%RH
Storage Environment: -10~70℃ / -4~140℉
Power Supply: 3*1.5V AAA Battery (NOT Included)
Material: ABS
Item Size: 167*65*30mm / 6.57* 2.56 * 1.18 inches
Item weight: 141 g
Package weight: 305 g
Packaging size: 24.8 * 9.3 * 5.3 cm / 9.76 * 3.66 * 2.09 inches
List of packages:
1 * Pressure gauge
1 * Accessory package
2 * Plastic tube
1 * Zipper bag
1 * Manual (English)

Package list:
1 * Pressure gauge
1 * Accessory package
2 * Plastic tube
1 * Zipper bag
1 * Manual (English)