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Digi-Sense Hot Wire Thermoanemometer with NIST Traceable Calibration

Item# DO-20250-16

$308.00 USD/EACH
$261.80 USD/EACH

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  • High precision at very low air velocities and flow rates

  • Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards.

  • Measure air velocities up to 4925 ft/min (25 m/s) to cover a broad range of applications

  • Measure airflow up to 99,900 CFM (99,900 CMM)

  • Large dual-function LCD with backlight capability for easy reading

  • Auto power-off extends battery life

The Digi-Sense hot-wire thermoanemometer is designed for precision air velocity and airflow measurements in seven user-selectable units (ft/min, m/s, mph, km/h, knots, CFM, or CMM). The instrument will help you meet cooling and environmental requirements for safety and comfort, as well as assure proper ventilation and filtration in cleanrooms and fume hoods.

The large dual display allows you to simultaneously read air velocity or airflow and air temperature and shows real time, maximum, minimum, and average values for the parameters under investigation. Slim telescopic probe is designed to reach into small openings.

The handheld hot-wire anemometer permits single point measurements or average measurements taken over a given time period. Comes in a foam-cut hard carrying case to protect the instrument between uses. Includes software and USB cable to download measurements into a PC for analysis and storage. Low-battery indicator prompts battery replacement, preventing power loss.
What's Included:
telescoping hot-wire probe sensor with cable, USB cable, software CD, hard carrying case, AC/DC power adapter, one 9 V battery, and NIST-traceable calibration report with data supplied by InnoCal.
Specifications
Product Type Hot-Wire Anemometer
Units For Air Velocity:m/s, ft/min, km/hr, mph, knots
For Airflow: cfm, cmm
For Temperature: °F, °C
Temp resolution 0.1°F/°C
Volume range 0 to 99,900 cfm
0 to 99,900 ccm
Volume resolution 0.001 to 100 cfm
0.001 to 100 ccm
Temp range 32 to 122°F (0 to 50°C)
Temp accuracy ±1.8°F (±1°C)
Qty/ea 1
Brand Digi-Sense
Operating conditions 32 to 122°F (0 to 50°C)
<80% RH, noncondensing
Sampling time Approximately every 0.8 second
Air velocity range 0.1 to 25.0 m/s
20 to 4925 ft/min
0.3 to 90 km/hr
0.2 to 55.8 mph
0.2 to 48.5 knots
Air velocity resolution 0.01 m/s
1 ft/min
0.1 km/hr
0.1 mph
0.1 knots
Air velocity accuracy ±(5% + 1 digit) reading or ±(1% + 1 digit) full scale
whichever is greater
Display Large, dual, backlit LCD
(1-7/8" x 2-3/8" or 4.7 x 6 cm)
Output USB
Data Logging No
Dimensions 8-1/4" x 3" x 2"
(21 x 7.5 x 5 cm)
Power One 9V battery (included) or AC adapter
Data storage Min/Max/Mean, data hold

Accessories
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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.

9 Questions | 10 Answers
Displaying questions 1-9

  • Q:

    Is this product suitable for measuring airflow on a downdraft bench?
    Asked on 5/17/2016 by Al from Cardiff, UK

    1 answer

    • STAFF EXPERT

      A:

      It could work, but the sensor might be on the smaller side for your application. This system is designed to take airflow mostly in pipes and vents.

      Answered on 5/18/2016 by Anthony from Technical Support

  • Q:

    Will this work in 3" pvc pipe ducting?
    Asked on 3/24/2016 by Q from Ks

    1 answer

    • STAFF EXPERT

      A:

      The probe diameter is 3/8". It will measure air flow in a 3" PVC pipe.

      Answered on 3/24/2016 by Katie from Technical Support

  • Q:

    Hello. Does the calibration certificate for this instrument complies with the standard ISO-17025?
    Asked on 8/24/2015 by Mau from Costa Rica

    1 answer

    • STAFF EXPERT

      A:

      Yes, the unit is calibrated by an ISO 17025 calibration lab.

      Answered on 8/24/2015 by Katie from Technical Support

  • Q:

    How long is the telescopic probe extend to?
    Asked on 8/13/2015 by Joe from United States

    1 answer

    • STAFF EXPERT

      A:

      Extend the telescoping probe to your desired length, up to 41"/104 cm.

      Answered on 8/13/2015 by Dan from Technical Support

  • Q:

    what is the probe diameter for the hot wire anemometer?
    Asked on 7/23/2015 by PK

    1 answer

    • STAFF EXPERT

      A:

      The probe diameter is 3/8".

      Answered on 7/23/2015 by Charlsie

  • Q:

    In setting up our 20250-16 I've noticed the graphic on the PC or Laptop remains in Metric units even though I previously made the setup change to english on the handheld meter. What steps did I miss or is there a rev needed in the Software ?
    The left side graphic image correctly duplicates the handheld. However the table at the bottom remains in metric.
    m/s
    C
    CMM
    m2
    Asked on 5/27/2015 by Bill from Bloomington, IL

    2 answers

    • A:

      I have the same problem. The software reads the handheld display correctly, but the software units cannot be changed from metric to English; I want to measure face velocity in ft/min. Part of the problem may be that there is no manual for the software. Maybe if there were some simple instructions in the Help menu rather than a useless splash screen we would be posting this question. I just bought the meter and the software is the current Ver. 6.0. A pdf software manual would be helpful.

      Answered on 4/21/2016 by Steve from Kansas City, MO

    • STAFF EXPERT

      A:

      The current software download can be found in the Technical Resources section of the product page. The units that the software is stating before export to excel will be the units transferred to the excel document.

      Answered on 5/27/2015 by Danielle from Technical Support

  • Q:

    I need to measure flow that may be either entering or exiting a very small, roughly 4 in^2, duct. Will this meter measure flow in either direction? I only have access to one side of this duct.
    Asked on 5/8/2015 by DanD from Denver, CO

    1 answer

    • STAFF EXPERT

      A:

      Yes, this probe can measure flow in either direction.

      Answered on 5/11/2015 by Anonymous

  • Q:

    Does this unit report Standard Airflow (SCFM) or Actual Airflow?
    Asked on 3/17/2015 by Ronald Pulvermacher from United States

    1 answer

    • STAFF EXPERT

      A:

      This would measure the actual flowrate in a few different units

      Answered on 3/18/2015 by Anthony from Technical Support

  • Q:

    What is the range specs for the velocity in fpm? What is the minimum fpm? Thanks!
    Asked on 10/10/2014 by JVelez - Tt-BAS, Inc. from Phoenix, AZ

    1 answer

    • STAFF EXPERT

      A:

      The air velocity range is 20 to 4925 ft/min.

      Answered on 10/10/2014 by Dan from Technical Support
Displaying questions 1-9

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Product Reviews

REVIEW SNAPSHOT®

by PowerReviews
 
2.0

(based on 2 reviews)

Reviewed by 2 customers

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6/29/2016
 
1.0

failed calibration after 1 year of service

By Sandra

from VA

Verified Reviewer

failed calibration after 1 year in use

  • Was this a gift?:
  • No

Bottom Line No, I would not recommend this to a friend

Merchant response: Your unit may need to be re calibrated and adjusted, so the readings will remain accurate. The unit can be sent to our lab for re calibration. Please call the number at the top of the page, to set up a calibration.

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10/23/2014

(1 of 3 customers found this review helpful)

 
3.0

Works well, but is it durable?

By Mark

from Brunswick, ME

Verified Reviewer

Pros

  • Good Value
  • Precise
  • Simple

Cons

  • Durability uncertain
  • Power Adapter Useless

Best Uses

    Ordered two of these. Easy to use, good performance for the money, NIST traceable, comes with data capture software... What's not to like?

    Well, after about 45min of use, one of them lost the ability to run off of the battery. It still worked from the AC adapter, but that's no good for field use. I poked around a bit and it's a board-level problem. Has now been replaced under warranty, but it doesn't inspire much confidence.

    Also, the AC adapter provided does not work with US plugs. Seems right for Europe, or maybe Japan, but domestic use requires a travel-style adapter. What were they thinking?

    Finally, the data logging software provided works nicely, but they only provide a PC version. My students can't do any fieldwork with their Macbooks.

    • Was this a gift?:
    • No

    Merchant response: We are sorry to hear of your disappointment with the AC adapter received. This product does come with a US AC Plug. We have reviewed our product quality logs and have no other reported issues related to incorrect AC adapters, however it is possible that an incorrect AC adapter was inadvertently shipped in your situation. Please remember that Cole-Parmer places the highest priority on customer satisfaction. If you are not happy with your purchase for any reason, please let us know how we can make it right. We encourage you to contact our Applications group (techinfo@coleparmer.com), together we may be able to correct your issue. – QA Department

    (1 of 3 customers found this review helpful)

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