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TSI VelociCalc Air Velocity Meter with Straight Probe, no Humidity Sensor

TSI  |   Mfr# 9535  |   Item# DO-10271-25

$1,050.00 USD/EACH

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  • Thermoanemometers with fast and accurate airflow measurements

  • Displays up to three measurements simultaneously

  • Available with manual or continuous data logging

  • Logs up to 12,700 samples and 100 test IDs

These meters simultaneously measure and datalog several ventilation parameters using a single probe with multiple sensors. Great for cleanroom filtration airflow measurements — they automatically calculate volumetric flow rate for round, square, and rectangular areas. All models measure velocity, temperature and calculate flow.Straight probe included. Auto shut-off preserves battery life, and a low battery indicator alerts user of battery condition.
What's Included:
Software, probe, USB cable, hard carrying case, four AA batteries, and calibration document supplied by the manufacturer.
Specifications
Product Type Hot-Wire Anemometer
Temp resolution 0.1°F (0.1°C)
Temp range 0 to 200°F (-17 to 94°C)
Temp accuracy ±0.5°F (±0.3°C)
Qty/ea 1
Manufacturer number 9535
Brand TSI
Air velocity range 0 to 6000 ft/min (0 to 30 m/s)
Air velocity resolution 1 ft/min (0.01 m/s)
Air velocity accuracy ±3% of reading or ±3 ft/min
(±0.015 m/s), whichever is greater
Display 4-digit LCD, 0.6" H
Memory capacity 12,700+ samples and 100 test IDs
Logging intervals 1 second to 1 hour
Velocity range 0 to 6000 ft/min (0 to 30 m/s)
Velocity resolution 1 ft/min (0.01 m/s)
Velocity accuracy ±3% of reading or ±3 ft/min (±0.015 m/s), whichever is greater
Dimensions Meter: 7"L x 3-3/8"W x 2"D
(17.8 x 8.6 x 5.1 cm)
Probe: 40"L x 1/2"dia
(101.6 x 1.3 cm)
Time constant User selectable
Power four AA batteries (included)

Accessories
Qty/Price
Availability

at $13.55 USD/PACKAGE of 4

In stock.
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Calibrations
Qty/Price
Availability
NIST-Traceable Calibration; Anemometers; Hot-Wire Type
DO-17100-11

at $246.00 USD/EACH
Usually ships in 9 days.
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Questions and Answers

Do you have questions about this product?

Get answers from real customers and in-house experts with AnswerBox.

6 Questions | 7 Answers
Displaying questions 1-6

  • Q:

    I need to measure velocity of air in side a refrigerator at 16 different point simultaneously while the refrigerator is in operation. Can you recommend a product for that.
    Asked on 10/4/2015 by ME haq

    1 answer

    • STAFF EXPERT

      A:

      This only can take a measurement in one location at a time.

      Answered on 10/5/2015 by Anthony from Technical Support

  • Q:

    The website says this model supports both manual or continuous data logging. Is that true?
    Asked on 5/21/2013 by AS

    2 answers

    • STAFF EXPERT

      A:

      This product does not allow continuous, live data logging standard, however the 10271-27 does have the capability for continuous datalogging. Another option would be using a secondary software to access the data, such as Labview.

      Answered on 5/22/2013 by Jack from Technical Support

    • A:

      Yes - this is absolutely true I do it all the time.

      Answered on 3/25/2014 by JB from North Carolina

  • Q:

    I would like to datalog continuously for a week with this device, at the frequency of 1 measurement per minute (total 10,080 data points). I see the specs say the device can store 12,700+ data points. Can they be collected over a week or is there a maximum monitoring period?
    Asked on 12/21/2011 by Seema from Berkeley, CA

    1 answer

    • STAFF EXPERT

      A:

      Item 10271-25 does not have continuous logging. Samples can only be logged over a 1-30 second sampling interval. Item 10271-27 now has continuous logging (introduced with firmware v2.0). and will be able to take 1 minute samples over a one week period. The data storage capability on the instrument is 12,700+ samples.

      Answered on 12/22/2011 by Rita from Customer Service

  • Q:

    I would like to insert the probe into the small duct to measure the velocity.
    But, ducts only have 1cm or 2cm height.
    Does this Velocity Meter suit for my duct?
    What is the length from the probe top to the end of the small hole?
    Asked on 2/8/2011 by YAO from College Station Texas

    1 answer

    • STAFF EXPERT

      A:

      The duct range is 1 to 635 cm. From the top of the probe to the bottom of the hot wire hole is approximately 3 cm.

      Answered on 2/10/2011 by Katie from Technical Support

  • Q:

    I'm looking for a hand held unit to cross check our TSI 8455-12 Hot Wire Anemometers that are installed in our wind tunner.
    What unit would you recommend?
    Asked on 8/16/2010 by Mark from Missoula Montana

    1 answer

    • STAFF EXPERT

      A:

      This product is capable of validating the data from other Anemometers, however you should verify that this product is appropriate for your specific application. Please contact our technical application specialists for additional assistance (contact information can be found in the "contact us" section on the web page).

      Answered on 8/18/2010 by Jack from Technical Support

  • Q:

    I need to take 20 velocity readings, 1 second apart. I then need the average of the 20 readings. Can this meter give me the average?
    Asked on 12/6/2009 by Balance King from Franklin township

    1 answer

    • STAFF EXPERT

      A:

      The data can be downloaded to a PC to be analyzed, but the unit itself does not have the functionality to calculate an average.

      Answered on 12/8/2009 by Jen from Technical Support
Displaying questions 1-6

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Product Reviews

REVIEW SNAPSHOT®

by PowerReviews
TSI 9535 VelociCalc Air Velocity Meter with Straight Probe, no Humidity Sensor
 
4.5

(based on 2 reviews)

Reviewed by 2 customers

Displaying reviews 1-2

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10/24/2016
 
5.0

Great Product

By Annie Mo Meter

from Fort Worth, TX

About Me Lab Assistant

Verified Reviewer

Pros

  • Easy To Use
  • Works Properly

Cons

    Best Uses

    • Low-velocity Measurements

    Comments about TSI 9535 VelociCalc Air Velocity Meter with Straight Probe, no Humidity Sensor:

    After receiving two defective anemometers from a different manufacturer, I decided to spend a bit more and buy this TSI model. I was very pleased with how easy it is to use and how low of a velocity it is able to measure. I recently purchased a second one as a back-up in case we damage this one.

    Bottom Line Yes, I would recommend this to a friend

    Was this review helpful? Yes / No

     - You may also flag this review

    6/18/2010
     
    4.0

    [...]

    By CTS

    from Central NY

    About Me Academic/Professional Researcher

    Verified Buyer

    Pros

    • Works Properly

    Cons

    • Menu interface needs work

    Best Uses

    • In The Field

    Comments about TSI 9535 VelociCalc Air Velocity Meter with Straight Probe, no Humidity Sensor:

    Sales associate was very courteous. Assured me the calibration would not be more than 6 months old on the new device.

    Bottom Line Yes, I would recommend this to a friend

    Was this review helpful? Yes / No

     - You may also flag this review

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