TSI Alnor EBT731 Balometer Air Volume Capture Hood

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TSI Alnor EBT731 Balometer Air Volume Capture Hood

Part Number: EBT731 Brand: TSI Alnor

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Promo code: tsihood. The EBT731 Balometer Capture Hood is a multipurpose electronic air balancing instrument primarily used to efficiently take direct air-flow volume readings from grilles and air diffusers. The TSI Alnor EBT731 is a practical tool for TAB testing and air balancing of ventilation systems, troubleshooting, and building commissioning. Alnor EBT731 balometer comes with a NIST calibration certificate approved by NEBB. The EBT731 is the most popular air flow capture hood in the US.

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TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer

This lightweight, ergonomically designed balometer capture hood kit offers durable, trouble-free operation.

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The TSI Alnor EBT731 Balometer Capture Hood is a multipurpose electronic air balancing instrument primarily used to efficiently take direct air-flow volume readings from grilles and air diffusers. The TSI Alnor EBT731 is a practical tool for TAB testing and air balancing of ventilation systems, troubleshooting, and building commissioning. Alnor EBT731 balometer comes with a NIST calibration certificate approved by NEBB. The TSI EBT731 is the most popular air flow capture hood in the US.

Alnor balometer applications include: Evaluating thermal comfort; HVAC testing, adjusting and balancing, and air volume measurements; HVAC commissioning Troubleshooting HVAC systems; Clean room certification.

Air Balancing Hood: Key Features

Can be operated by one person due to ergonomic design and ultra light weight
Automatic sensing and display of supply or return flows – big time safer
Accurate readings due to back pressure compensation
Multiple airflow hood sizes available for easy, cost effective use across multiple jobs
Detachable digital micro-manometer offers flexibility to use in multiple applications
Reading accuracy is increased by automatic density correction
Setup is easy with intuitive menu structure
Simultaneously displays up to 5 measurements
Simple-to-use interface with large backlit display
Messages and instructions on-screen
Supports multiple languages
Calculations simplified by integrated Log-Tchebycheff duct traverse application

It features a detachable micromanometer which can be used with optional probes in multiple measurement applications for increased flexibility. The lightweight, ergonomically designed Alnor EBT731 capture hood kitoffers durable, trouble-free operation along with saving time and money by combining multiple measurement tools into one package.

The Alnor EBT731 balometer capture hood helps the operator create a healthy and energy efficient environment while at the same time meeting local codes, regulations, and guidelines for ventilation systems.

Features of detachable micromanometer:

Accurate measurement of pressure, velocity and air flow
Auto-zero pressure sensor to increase work efficiency
Increased reading accuracy due to automatic density correction
Intuitive menu for ease use
Large graphic display shows up to 5 measurements and instructions
Programmable in multiple languages
Simplified calculations due to implementing Log-Tchebycheff duct traverse
Bluetooth communication and data transfer
Works with optional accessories such as: pitot tube, air flow (straight pitot), temperature/relative humidity, velocity matrix, or thermos-anemometer probes

Why would you use TSI Alnor EBT731 balometer?

This is the most trusted brand, when it comes to air capture hoods, and all instruments come with NIST Calibration Certificate.

Who should use balometers?

Contractors performing test and balance services
Commissioning agents and companies
Facility managers and maintenance techs
Health and safety specialists for their evaluations
Installers of ventilation systems

What is the difference between a balometer and an air flow capture hood?

The two terms are synonymous as both instruments measure the volume of air coming out of diffusers and grilles. The term balometer was coined by Alnor as a way to simplify the name over balometercapture hoods which seems to have worked as it is now used by most HVAC service technicians.

ValueTesters carries balometers of all sizes from all major brands. Each hood size has certain benefits depending on application including: evaluating thermal comfort, HVAC testing, adjusting and balancing of HVAC systems, HVAC commissioning, troubleshooting of HVAC systems, or even clean room certification. Our customer service specialists can help you select the best product to meet your needs, as well as assist you with your exclusive pricing.

The TSI Alnor EBT731 comes with:

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

Additional Accessories

TSI Alnor also has additional tools for the micromanometer allowing it to be used in a variety of applications. Optional pitot, air flow (straight pitot), temperature/relative humidity, velocity matrix, or plug and play thermoanemometer probes enables use in multiple applications.

The Pitot tube is used to measure air velocity, air volume, and velocity pressure in a ductwork. This accessory is available in a variety of sizes.

Pitot Probes:

Part Number	Pitot Tube Size
634634000	5/16 - 12" (8mm - 30cm) diameter
634634001	5/16 - 18" (8mm - 46cm) diameter
634634002	5/16 - 24" (8mm - 61cm) diameter
634634003	5/16 - 36” (8mm - 91cm) diameter
634634005	5/16 - 60” (8mm – 152cm) diameter

Velocity Matrix (p/n 801090) is used for measuring face velocities of HEPA filters, chemical fume hood, laminar flow benches, filter banks, kitchen exhausts, and other applications where a large surface area needs to be measured. The 16 point velocity matrix with a telescopic handle has a grid that covers 1 ft² and averages the air velocity while minimizing the effects of turbulence to produce a stable reading.

Air Flow Probe (p/n 800187) is a straight probe used to measure a single point air velocity or air volume measurement in ductwork.

Temperature /Humidity Probe (p/n 800220) is a telescopic probe that extends from 9-39”. This probe is used for measuring inside of duct work with the ability to calculate wet bulb and dew point temperatures.

Thermoanemometer Probes are available in straight or articulating construction and with or without a relative humidity sensor. These probes can also be used to measure air temperature, air velocities or air volume measurements in ductwork as well as lower velocity applications such as face velocity measurements of chemical fume hoods, biological safety cabinets and filtration systems. Four models are available. Models with a relative humidity sensor can also calculate wet bulb and dewpoint temperature.

Thermoanemometer Probes:

Model	Description
960	Air Velocity and Temperature, Straight Probe
962	Air Velocity and Temperature, Articulating Probe
964	Air Velocity, Temperature, and Humidity, Straight Probe
966	Air Velocity, Temperature, and Humidity, Articulating Probe

Balometer Capture Hoods are used to obtain volumetric air flow measurements through diffusers, registers, and grilles. The 2’ x 2’ come standard with the EBT731, but other sizes are available. Please see the table below for the additional sizes available.

You can also purchase the EBT731-STA that includes a stand that extends up to 15’ and a Smart Tablet loaded with LogDat mobile app and instruction videos.

If you are interested in purchasing one of the accessory probes and it is not found on the website, please contact customer service at 602-795-8292 and we will be happy to add it to your order.

Additional hood sizes made by TSI Alnor:

Part Number	Hood Size
801097	2 x 2 ft. (610 x 610 mm)
801200	1 x 4 ft. (305 x 1220 mm)
801201	2 x 4 ft. (610 x 1220 mm)
801202	1 x 5 ft. (305 x 1525 mm)
801203	3 x 3 ft. (915 x 915 mm)
801206	1 x 4 ft. and 2 x 4 ft. hoods
801207	1 x5 ft. and 3 x 3 ft. hoods
801209	16 x 16 in. (406 x 406 mm)
801210	5.25 in. x 4 ft. (133 x 1220 mm)
801211	28 x 28 in. (710 x 710 mm)
801212	28 x 50 in. (710 x 1270 mm)
801215	1 x 3 ft. (305 x 915 mm)

many extra hoods to choose from

We decided to get EBT731, as the maker has the largest selection of additional hood sizes, so no matter what grille you work with, they have an exact hood for it. Using exactly fitting hood maximizes accuracy, and this is what we are suppose to do - get accurate results.

Did you find this helpful? 9 of 10 Found Helpful

Reviewed by: (Verified Buyer) Morris Potter from Louisville. on 1/12/2019

more than just a hood

I read info on it before getting it. Then, I got also a matrix. Now, I use it with hood, but also with a matrix. This is a very accurate instrument, so I am proud of my work, as value of my services is way better now.

Did you find this helpful? 9 of 10 Found Helpful

Reviewed by: (Verified Buyer) Lou Brandt from Clifton. on 11/15/2018

Great Package

The EBT731 is a great package if you are doing HVAC ventilation and balancing work. They even have additional hood sizes if needed. However, if most of your work is on high ceiling or you work alone, you might consider getting the stand as well.

Did you find this helpful? 7 of 8 Found Helpful

Reviewed by: (Verified Buyer) Graham Bishop from Lynchburg, VA. on 9/8/2022

The best out there

There isn’t really any competition out there for a TAB hood against TSI in my opinion, unless you want to quibble over price. Honestly, yes, it’s an investment but my take is that if you want to grow your business and fulfill your contracts to the highest standard, you shouldn’t skimp on equipment. The accuracy is top notch and backed up my NIST certification. They don't even sell it without the cert, so you can rest easy and not second guess your readings. The multiple hood fabric sizes available are also a great reason to pick tSI over some less modular (and less accurate) competitors

Did you find this helpful? 7 of 8 Found Helpful

Reviewed by: (Verified Buyer) Roy Sutton from Ames. on 7/28/2022

NEBB approved

It is an excellent hood with detachable control and wireless communication, but what matters the most NEBB approved it. This was an additional assurance that helped make up my mind. I've been using it for quite some time and I absolutely love it. It simplifies work on building commissioning.

Did you find this helpful? 7 of 7 Found Helpful

Reviewed by: (Verified Buyer) Mike Mitchel from Morristown. on 1/15/2019

auto zero saves time

Pressure sensor auto-zeros. This is really nice feature to save your time

Did you find this helpful? 7 of 8 Found Helpful

Reviewed by: (Verified Buyer) Max Brickner from Grand Rapids. on 1/11/2019

Easy!

Easy to transport, set up and get air volume reading at diffusers and grilles.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Taylor Sandvig from Warwick, RI. on 9/7/2022

The industry standard

If you’re a tech that does TAB work, you’ll be familiar with this meter. It’s the big name for a reason. Super accurate, NIST calibration standard and a whole ton of hood fabric sizes for whatever supply and return sizes you have to deal with. Streams to an app as well so you can record all your data for reporting which is essential if you live in a jurisdiction with governmental oversight on this stuff. Overall, a great tool to have at your disposal and totally recommend from my view.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Richard Alvarado from Auburn. on 7/27/2022

More than enough

The digital display is easy to read, and there are several accessories that can perform a variety of measurements. The manuals are packed with info and procedures to help accomplish your measurement needs.

Did you find this helpful? 5 of 9 Found Helpful

Reviewed by: (Verified Buyer) Edwin Lowe from Bakersfield. on 1/27/2019

intelligent meter

Check it out guys - display senses if you are working with return or supply flow. Super cool feature.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Arne Jarvis from Alexandria. on 1/10/2019

enhanced functionality

Detachable micro manometer improves functionality and work efficiency. You work faster. The display is not only backlit, but also shows multiple measurememts at the same time, as well as messages and instructions. Great tools for balancing, when you have so many registers to test and make fast decisions.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Andre Patino from Louiville. on 12/15/2018

trust NIST

I just found out that every single TSI product comes with NIST certificate of calibration, so this made my decision. If a company invests so much in Nisting all products, the accuracy must be very high. So far so good, as it has been a very accurate capture hood. I can trust just one measurement, so time savings are tremendous. It is a super air hood.

Did you find this helpful? 3 of 5 Found Helpful

Reviewed by: (Verified Buyer) Alfred Robinson from Colorado Springs. on 1/9/2019

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Specifications:	TSI Alnor EBT731 Balometer Capture Hood
Velocity Range
Pitot probes	25 to 15,500 ft/min (0.125 to 78 m/s)
Air flow probe	25 to 5,000 ft/min (0.125 to 25 m/s)
Velocity matrix	25 to 2,500 ft/min (0.125 to 12.5 m/s)
Accuracy	±3% of reading ±7 ft/min (±0.04 m/s) at velocities >50 ft/min (>0.25 m/s)
Units	ft/min, m/s
Resolution	1 ft/min (0.01 m/s)
Pressure
Differential pressure	±15 in. H2O (±3735 Pa); 150 in. H2O (37.5 kPa), maximum safe operating pressure
Absolute pressure	15 to 40 in. Hg (356 to 1016 mm Hg)
Accuracy	±2% of reading ±0.0001 in. H2O (±0.025 Pa) static and differential; ±2% of reading absolute
Units	in. H2O, in. Hg, Pa, hPa, kPa, mm Hg, cm Hg, mm H2O, cm H2O
Resolution	0.00001 in. H2O (0.001 Pa) static and differential; 0.01 in. Hg (1 mm Hg) absolute
Volume
Range	25 to 2,500 ft3/min (42 to 4250 m3/h) capture hood
Accuracy	±3% of reading ±7 ft3/min (±12 m3/h) at flows >50 ft3/min (>85 m3/h)
Units	ft3/min, m3/h, m3/min, l/s
Resolution	1 ft3/min (1 m3/h)
RH
Range	5 to 95% RH temperature/RH probe
Accuracy	±3% RH
Resolution	0.1% RH
Temperature
Sensor in base	40 to 140°F (4.4 to 60°C)
Temperature/RH probe	14 to 140°F (-10 to 60°C)
Accuracy	±0.5°F (±0.3°C)
Units	°F, °C
Resolution	0.1°F (0.1°C)
Operating Temperature Range	40 to 140°F (4.4 to 60°C)
Storage Temperature Range	40 to 140°F (4.4 to 60°C)
Statistics	min, max, average
Data Storage	26,500 samples, time and date stamped
Logging Interval	User selectable
Response Time	2 to 8 seconds, differential pressure sensor
Power Requirement	Four AA-size cells or AC adapter

Applications:	TSI Alnor EBT731 Balometer Air Balancing Instrument with Capture Hood
	Evaluating thermal comfort, HVAC testing, adjusting and balancing, and air volume measurements
	HVAC commissioning
	Troubleshooting HVAC systems
	Clean room certification

TSI Alnor EBT731 Balometer Air Volume Capture Hood

TSI Alnor EBT731 Balometer Capture Hood with Detachable Micromanometer

Air Balancing Hood: Key Features

Features of detachable micromanometer:

Q: How often do I need to calibrate the instrument?

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