Extech HD350 Pitot tube Anemometer & differential pressure

Accurate Airflow and Differential Pressure Testing for Professionals

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Extech HD350 Pitot tube Anemometer & differential pressure
Brand: Extech
Category: Anemometers
Availability: Ready Stock
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Extech HD350 Pitot tube Anemometer & differential pressure Price in Bangladesh

The Extech HD350 Pitot tube Anemometer & differential pressure instrument supports technical inspections involving air velocity, airflow and pressure differences, making it relevant to engineers and HVAC professionals searching for the Extech HD350 Pitot tube Anemometer & differential pressure Price in Bangladesh. By combining Pitot tube measurement principles with differential pressure assessment, this type of instrument helps technicians evaluate air movement in ducts and ventilation systems. It can support maintenance planning, system troubleshooting and performance checks where reliable airflow information is required.

How Pitot Tube Measurement Works

A Pitot tube measures the pressure difference associated with moving air. When used with a compatible measuring instrument, this pressure information can be used to determine air velocity under appropriate measurement conditions.

This method is particularly useful for examining airflow inside ventilation ducts, where direct measurement may be difficult with other sensor arrangements. Correct probe positioning and suitable measurement procedures are essential for obtaining meaningful readings.

Technicians should follow the manufacturer's instructions and confirm the instrument's specified operating conditions before conducting measurements.

Differential Pressure for System Diagnostics

Differential pressure measurement helps engineers compare pressure at two points within a system. In HVAC applications, this information can assist with investigating pressure changes across duct sections, filters and other ventilation components when the instrument is suitable for the task.

Pressure readings can provide useful evidence when diagnosing restricted airflow or evaluating system operation. However, results should be interpreted alongside equipment condition, system design and other relevant measurements rather than treated as a complete diagnosis on their own.

The HD350's documented pressure functions should be reviewed to establish which diagnostic applications it supports.

HVAC Commissioning and Airflow Balancing

During HVAC commissioning, engineers assess whether air distribution meets the requirements of a building or facility. Pitot tube measurements can help evaluate air velocity in suitable duct locations and contribute to airflow calculations.

During balancing work, technicians may compare measurements across different duct sections and use the results to support adjustments to dampers or other airflow control components. Proper measurement technique is important because turbulence, probe orientation and duct geometry can influence results.

Using a suitable instrument and following an established procedure can help make commissioning records more consistent and useful.

Applications in Industrial Ventilation

Industrial ventilation systems are used in manufacturing plants, workshops, laboratories and commercial facilities. Engineers may need to investigate airflow conditions, review system performance or troubleshoot changes in ventilation.

A Pitot tube anemometer with differential pressure measurement can support these tasks when its measurement range and accuracy meet the application requirements. It may also contribute to inspections of air handling systems and duct networks.

Before using the instrument for specialized industrial processes, users should confirm its suitability through the manufacturer's technical documentation and relevant site procedures.

Practical Benefits for Maintenance Engineers

Combining airflow and pressure assessment in a suitable instrument can help technicians investigate ventilation conditions using related measurement information. This can support structured troubleshooting and help reduce dependence on visual estimates alone.

Recorded readings can be compared during subsequent inspections to identify changes that may warrant further investigation. For maintenance teams, consistent documentation helps track system performance and communicate findings to other technical personnel.

The usefulness of the instrument depends on selecting the correct measurement method, following the recommended procedure and interpreting the results in context.

Selecting the Right Measurement Equipment

Before purchasing the Extech HD350, buyers should review its supported measurement parameters, pressure range, air velocity range, accuracy, resolution and compatible Pitot tube arrangements. Display functions, data handling options and operating requirements may also be relevant to the intended work.

Calibration requirements deserve particular attention when measurements are used for commissioning reports, quality control or other formal engineering records. Buyers should consult the official datasheet to confirm specifications rather than relying on assumptions about the model.

Choosing equipment according to the actual measurement task helps ensure that the instrument can support the required inspections.

Proper Handling and Measurement Practices

Pitot tube measurements require careful positioning and correct connection of the pressure lines. Incorrect orientation, leakage, obstructions or unsuitable measurement locations can affect the quality of the results.

Users should inspect the probe and tubing before use, follow the manufacturer's setup instructions and avoid operating the instrument outside its stated environmental limits. Routine cleaning, suitable storage and recommended calibration practices help maintain equipment condition.

For repeatable measurements, technicians should use consistent procedures and record relevant testing conditions.

Purchasing Extech HD350 in Bangladesh

HVAC contractors, industrial maintenance departments, engineering consultants and technical service providers in Bangladesh may consider the Extech HD350 for suitable airflow and differential pressure testing tasks. Before ordering, buyers should confirm product availability, authenticity, warranty coverage and the availability of technical documentation from the supplier.

Where the instrument will be used for professional reporting, it is also worth checking calibration support and after sales service. These details help buyers evaluate whether the equipment meets their operational and documentation requirements.

Supporting Reliable Airflow Analysis

Air velocity and differential pressure measurements can provide valuable information when assessing duct performance and investigating ventilation issues. With suitable equipment and correct procedures, engineers can use these measurements to support commissioning, maintenance and troubleshooting activities.

For professionals researching the Extech HD350 Pitot tube Anemometer & differential pressure Price in Bangladesh, verifying the manufacturer's specifications and confirming local supply arrangements are important steps toward choosing the appropriate instrument for their work.

Key Features: Extech HD350 Pitot tube Anemometer & differential pressure

  • Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
  • ±0.7252psi range
  • 5 selectable units of pressure measurement
  • Max/Min/Avg recording and Relative time stamp
  • Data Hold and Auto power off functions
  • Large LCD display with backlighting
  • Zero function for offset correction or measurement
  • Store/Recall up to 99 readings in each mode
  • USB port includes software

Specifications: Extech HD350 Pitot tube Anemometer & differential pressure

  Range Resolution Accuracy
Pressure
psi 0.7252psi 0.0001psi ±0.3%FS
mbar 50.00mbar 0.01mbar ±0.3%FS
inH2O 20.07inH2O 0.01inH2O ±0 ±0.3%FS
mmH2O 509.8mmH2O 0.01mmH2O ±0.3%FS
Pa 5000Pa 1Pa ±0.3%FS
Repeatability ±0.2% (Max. ±0.5%FS)
Linearity/Hysteresis ±0.29FS
Maximum Pressure 10psi
Response Time 0.5s typical
Air Velocity
ft/min 200 to 15733 1 ±3% rdg
m/s 1 to 80.00 0.01 ±3% rdg
km/h 3.5 to 288.0 0.1 ±3% rdg
MPH 2.25 to 178.66 0.01 ±3% rdg
knots 2.0 to 154.6 0.1 ±3% rdg
Air Flow
CFM 0 to 99,999 0.001 ±3% rdg
CMM 0 to 99,999 0.001 ±3% rdg
Temperature
°F 32.0 to 122.0°F 0.1° ±2°F
°C 0 to 50°C 0.1° ±1°C
Dimensions/Weight
Meter 8.2 x 2.9 x 1.9" (210 x 75 x 50mm) / 12oz (340g)
Pitot Tube 15.4 x 7.7” (390 x 195mm) / 7.2oz (204g)

Tech Specs

Test Equipment General Attributes

Unique Features Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
±0.7252psi range
5 selectable units of pressure measurement
Max/Min/Avg recording and Relative time stamp
Data Hold and Auto power off functions
Large LCD display with backlighting
Zero function for offset correction or measurement
Store/Recall up to 99 readings in each mode
USB port includes software
Warranty 3 YEARS
Safety Approval CE
Product Weight 340 GRAMS (0.750 LBS) 
Product Height 2.9 IN
Product Length 1.9 IN 
Product Width 8.2 IN
Data Logging No
HTS/Schedule B Number 9026.80.4000
ECCN Number EAR99
Calibration Included Factory Calibration
Power Supply Voltage 120V/220V Universal 
Country of Origin China

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