Extech HD755 Differential Pressure Manometer

Reliable differential pressure measurement for HVAC systems, industrial maintenance, and professional diagnostics

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Extech HD755 Differential Pressure Manometer
Brand: Extech
Category: Differential Pressure Meters
Availability: Ready Stock
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Extech HD755 Differential Pressure Manometer Price in Bangladesh

The Extech HD755 Differential Pressure Manometer is a professional measurement instrument designed for technicians and engineers who require dependable pressure readings in HVAC systems, ventilation networks, laboratories, and industrial applications. When researching the Extech HD755 Differential Pressure Manometer Price in Bangladesh, understanding its measurement capabilities, practical benefits, and suitability for your work helps you make an informed purchasing decision. Its differential pressure measurement function supports system evaluation, airflow diagnostics, and pressure-related troubleshooting across a range of technical environments.

Differential Pressure Measurement and Performance

The Extech HD755 is designed to measure the pressure difference between two points, making it useful for evaluating pressure relationships in air handling equipment, ducts, filters, and other compatible systems. Differential pressure measurements help engineers identify restrictions, assess ventilation performance, and investigate unexpected pressure variations. The instrument is intended for professional diagnostic work where consistent readings and practical measurement functionality are important. Its suitability for a particular application depends on the required pressure range, measurement medium, connection method, and operating conditions.

Practical Applications in HVAC and Industrial Systems

Heating, ventilation, and air conditioning professionals can use differential pressure measurement to investigate duct pressure, check filter pressure drop, and assess ventilation system performance. Maintenance technicians can also use pressure readings when troubleshooting air distribution equipment and examining changes in system resistance. In industrial environments, the instrument can support compatible low pressure testing tasks and general equipment diagnostics. Engineers should always verify that the operating pressure, connection configuration, and measurement medium fall within the manufacturer's specified limits before using the device.

User Friendly Operation and Measurement Convenience

A professional manometer should make pressure testing straightforward and help technicians interpret readings efficiently. The Extech HD755 is intended for practical pressure measurement tasks in which portability, clear readings, and convenient access to measurement results support everyday fieldwork. Appropriate hose connections and correct pressure port configuration are essential for obtaining meaningful differential pressure readings. Before taking measurements, users should inspect the connections, select the appropriate units, allow readings to stabilize, and follow the operating instructions supplied by the manufacturer.

Benefits for Maintenance and Troubleshooting

Accurate differential pressure measurements can help maintenance teams identify developing problems before they lead to more significant system performance issues. For example, a change in filter pressure drop may indicate that an HVAC filter requires inspection, while unexpected duct pressure readings may point to airflow restrictions or balancing concerns. The Extech HD755 can support this type of investigation when used within its specified measurement capabilities. Reliable results also depend on correct instrument handling, appropriate test connections, regular inspection, and compliance with the manufacturer's calibration recommendations.

Instrument Handling and Long Term Reliability

Maintaining measurement quality requires proper storage, careful handling, and routine inspection. Users should protect the manometer from excessive moisture, impact, contamination, and operating conditions outside its specified limits. Pressure hoses and fittings should be checked for leaks, damage, or blockages before testing. Regular verification and calibration, where required by the application, help maintain confidence in measurement results. Following the manufacturer's instructions can also reduce the risk of incorrect readings and unnecessary instrument wear.

Choosing the Right Differential Pressure Manometer

Before selecting the Extech HD755, engineers should compare the instrument's pressure range, resolution, accuracy, supported measurement units, pressure connections, and compatibility with the intended application. It is also important to consider whether the instrument will be used for HVAC servicing, laboratory testing, industrial maintenance, or general pressure diagnostics. Checking the official product documentation helps confirm technical specifications and identify any accessories needed for the job. Selecting an instrument that matches the actual operating conditions improves measurement reliability and supports efficient maintenance work.

Extech HD755 for Professional Measurement Requirements in Bangladesh

The Extech HD755 Differential Pressure Manometer is a relevant option for professionals seeking a dedicated instrument for differential pressure testing and troubleshooting. It can support HVAC technicians, electrical and mechanical maintenance teams, facility engineers, and industrial service professionals whose work involves compatible pressure measurement tasks. Buyers in Bangladesh should verify product authenticity, warranty coverage, included accessories, manufacturer documentation, and local after sales support before purchasing. Reviewing these details helps ensure that the instrument meets the technical requirements of the intended application and provides dependable service in professional environments.

Features: Extech HD755: Differential Pressure Manometer

  • ±0.5psi range, 11 Selectable units of measure
  • Max/Min/Avg recording and Relative time stamp
  • Data Hold, Auto power off and Zero function
  • Large LCD display with backlighting
  • Heavy duty, double-molded housing
  • Built-in USB port (Windows® compatible PC software and cable included)

Specifications: Extech HD755: Differential Pressure Manometer

  Model HD700 Model HD750 Model HD755  
  Range Resolution Range Resolution Range Resolution Basic Accuracy
inH2O 55.40inH2O 0.01inH2O 138.3inH2O 0.01inH2O 13.85inH2O 0.01inH2O ±0.3%FS
psi 2psi 0.001psi 5psi 0.001psi 0.5psi 0.001psi ±0.3%FS
mbar 137.8mbar 0.1mbar 344.7mbar 0.1mbar 34.47mbar 0.1mbar ±0.3%FS
kPa 13.79kPa 0.01kPa 34.47kPa 0.01kPa 3.447kPa 0.001kPa ±0.3%FS
inHg 4.072inHg 0.001inHg 10.18inHg 0.01inHg 1.018inHg 0.001inHg ±0.3%FS
mmHg 103.4mmHg 0.1mmHg 258.5mmHg 0.1mmHg 25.86mmHg 0.01mmHg ±0.3%FS
ozin² 32ozin² 0.01ozin² 80ozin² 0.01ozin² 8.00ozin² 0.01ozin² ±0.3%FS
ftH2O 4.612ftH2O 0.001ftH2O 11.53ftH2O 0.01ftH2O 1.154ftH2O 0.001ftH2O ±0.3%FS
cmH2O 140cmH2O 0.1cmH2O 351.5cmH2O 0.1cmH2O 2.59cmH2O 0.01cmH2O ±0.3%FS
kgcm² 0.140kgcm² 0.001kgcm² 0.351kgcm² 0.001kgcm² 0.035kgcm² 0.001kgcm² ±0.3%FS
bar 0.137bar 0.001bar 0.344bar 0.001bar 0.034bar 0.001bar ±0.3%FS
Dimensions/Weight 8.2 x2.9 x 1.9" (210 x 75 x 50mm) / 9.80z (280g)

Tech Specs

HVAC Equipment and Instruments/Manometer Template

Type (Manometer) Digital
Max Pressure 0.5 psi (13.84 IN of H2O)
Type of Input Dual, Single
Engineering Units (HVAC) inch H2O, inch Hg, kPa, mmH2O, mmHg, psi 
Measurement Absolute, Differential, Gauge
Min/Max/Hold Yes

Test Equipment General Attributes

Unique Features USB port includes software
Zero function or offset correction or measurement
UNITS of Measure:
psi
kPa
mmHg
kgcm2
mbar
bar
inH2O
mmH2O
inHg
ftH2O
ozin2
Warranty 3 YEARS
Safety Approval CE
Interfaces I/O USB
Product Weight 9.8 LBS
Product Height 1.9 IN
Product Length 8.2 IN
Product Width 2.9 IN
Data Logging Yes
HTS/Schedule B Number 9026208000
ECCN Number EAR99
Calibration Included None
Battery Type 9v
Power Supply Voltage 120V/220V Universal, Battery Powered 
Country of Origin China
Shipping Height 3.00 IN
Shipping Length 11.50 IN
Shipping Width 9.25 IN

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