TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer

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  • TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer
  • TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer
  • TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer
  • Features of the EBT730 Micromanometer front view
MSRP: $3,710.00
Price: $3,339.00
— You save $371.00


TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer

Take accurate, direct air volume measurements at diffusers and grilles

The EBT731 Balometer Capture Hood is a multipurpose electronic air balancing instrument primarily used for efficiently taking direct air volume readings at diffusers and grilles. The EBT features a detachable micromanometer which can be used with optional probes for increased flexibility in multiple measurement applications. Offering durable, trouble-free operation, this lightweight, ergonomically designed capture hood kit saves time and money by combining multiple measurement tools into one package. The EBT731 Balometer Capture Hood helps you create healthy and energy efficient environments while meeting local codes, guidelines and regulations for ventilation systems.

As standard, the EBT731 Balometer Capture Hood includes a detachable EBT730 micromanometer—one of the most advanced, versatile, and easy to use micromanometers on the market today. The EBT730 features an auto-zeroing pressure sensor that increases measurement resolution and accuracy as well as integrates an intuitive menu structure to facilitate simple operation.


  • HVAC commissioning
  • Clean room certification
  • Troubleshooting HVAC systems
  • Testing and balancing HVAC systems

Capture Hood Features & Benefits

  • Ergonomic design and ultra-lightweight for easy, one-person operation
  • Automatically senses and displays supply or return flows, saving time on the job
  • Back pressure compensation ensures accurate readings
  • Multiple hood sizes available for easy, cost-effective use across multiple jobs
  • Detachable digital micromanometer offers flexibility to use in multiple applications

Detachable Micromanometer Features & Benefits

  • Accurately measures pressure, velocity, and flow to help you meet industry standards
  • Auto-zeroing pressure sensor reduces user-steps and saves time
  • Automatic density correction increases reading accuracy
  • Intuitive menu structure allows for ease of use and setup
  • Large graphic display with backlight offers easy-to-use interface
  • Displays up to five measurements simultaneously
  • On-screen messages and instructions
  • Programmed for multiple languages
  • Integrated Log-Tchebycheff duct traverse application simplifies calculations
  • Bluetooth communications for transferring data or remote polling
  • Includes downloading software with USB cable
  • Accommodates optional pitot, air flow (straight pitot), temperature/relative humidity, velocity matrix, or thermoanemometer probes for use in multiple applications

Approved by the California Energy Commission (CEC) for use in as an Airflow Measurement Device for HVAC Forced Air Systems per the 2016 Building Energy Efficiency Standards (Title 24, Part6) Section 100.0(h) and Reference Residential Appendices Section RA3.3. Click Here for details.


Velocity Range
Pitot probes 0.125 to 78 m/s (25 to 15,500 ft/min)
Air flow probe 0.125 to 12.5 m/s (25 to 2,500 ft/min)
Velocity matrix 0.125 to 12.5 m/s (25 to 2,500 ft/min)
Accuracy ±3% of reading ±0.04 m/s (±7 ft/min) at velocities >0.25 m/s (50 ft/min)
Units m/s, ft/min
Resolution 0.01 m/s (1 ft/min)
Differential pressure ±3735 Pa (±15 in. H2O); 37.5 kPa (150 in. H2O), maximum safe operating pressure
Absolute pressure 356 to 1016 mm Hg (15 to 40 in. Hg)
Accuracy ±2% of reading ±0.025 Pa H2O (±0.0001 in.) static and differential; ±2% of reading absolute
Units in. H2O, in. Hg, Pa, hPa, kPa, mm Hg, cm Hg, mm H2O, cm H2O
Resolution 0.001 Pa H2O (0.00001 in.) static and differential; 1 mm Hg (0.01 in. Hg) absolute
Sensor in base 4.4 to 60°C (40 to 140°F)
Temperature/RH probe -10 to 60°C (14 to 140°F)
Accuracy ±0.3°C (±0.5°F)
Units °C, °F
Resolution 0.1°C (0.1°F)
Range 5 to 95% RH (temperature/RH probe)
Accuracy ±3% RH
Resolution 0.1% RH
Operating Temperature Range 4.4 to 60°C (40 to 140°F)
Storage Temperature Range -20 to 71°C (-4 to 160°F)
Statistics min, max, average, and sum
Data Storage 26,500 samples, time and date stamped
Logging Interval User selectable
Response Time 2 to 8 seconds (differential pressure sensor)
Power Requirements Four AA-size cells or AC adapter
Dimensions (micromanometer only) 18.8 cm x 11.4 cm x 5.8 cm (7.4 in. x 4.5 in. x 2.3 in.)
Weight with Batteries PH730 0.5 kg (17 oz.), PH731 3.4 kg (7.4 lb.)
Pressure Connection 6.35 mm (1/4 in.) OD straight ports with barbed ends for use with 4.76 mm (3/16 in.) ID flexible tubing


  • (1) 2 ft. x 2 ft. (610 mm x 610 mm) air capture hood / frame / base
  • (1) Detachable micromanometer
  • (4) AA size rechargeable NiMH batteries
  • (1) Multi-country AC adapter
  • (1) 18 in. (46 cm) Pitot probe
  • (2) Static Pressure probes
  • (1) 16 ft. (4.8 m) Neoprene tubing
  • (1) Wheeled luggage-style carrying case
  • (1) NIST traceable calibration certification
  • (1) Downloading software
  • (1) USB interface cable
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