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Thomas Traceable Workstation Digital Barometer, 15 to 158 degree F, 23.62 - 31.0" Hg, 1/34" Hg Resolution

3.7 out of 5 stars 8 customer reviews

Currently unavailable.
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Specifications for this item
Brand Name Thomas
Part Number 4245
Number of Items 1
LowerTemperature Range 15  Degrees Fahrenheit
Overall Length 4  inches
Overall Width 4  inches
Temperature Range 15/158  Degrees Fahrenheit
UNSPSC Code 41114402
Upper Temperature Range 158  Degrees Fahrenheit


Product Features

  • Instant barometric pressure
  • Instant trend graph
  • Instant temperature
  • Ideal for recording ambient changes in the lab, monitoring conditions affecting sample analysis, and assisting in the prediction of weather changes
  • Measures 4" length by 4" width by 2.25" thick

Product Description

Workstation digital barometer measures atmospheric pressure, graphically displays the barometric trend, and reports temperature and time. Ideal for recording ambient changes in the lab, monitoring conditions affecting sample analysis, and assisting in the prediction of weather changes. Barometer measures pressure from 23.62 to 31.01 inches inHg with a resolution of 0.03 inHg, and from 800 to 1050 millibars with a resolution of 1 mbar. Accuracy is +/-0.4 inHg (+/-12 mbars between 900 to 1050 mbar). Graphic barometric trend shows present reading and previous 1-, 3-, 6-, and 12-hour readings in a bar chart format. Adjustable altitude compensation is from -300 to 1200 meters and -900 to 3600'. Temperature range is 15 to 158 degree F and -9.5 to 70 degree C with a resolution 0.5 degree and an accuracy of +/-1 degree C between 0 and 50 degree C. Clock shows time in AM/PM and 24-hour formats. To assure accuracy an individually serial-numbered Traceable certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Accurate forecasting indicators show weather conditions for the next 12-hours using symbols for sunny, cloudy, rainy, and partly cloudy. Supplied with two AAA alkaline batteries. Measures 4" length by 4" width by 2.25" thick. Weight is 4 ounces.

Product Details

  • Shipping Weight: 2.4 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B006H8NO20
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (8 customer reviews)
  • Amazon Best Sellers Rank: #249,907 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Works as advertised. I used this to measure indoor barometric pressure to do corrections for lab tests. Temperature is a bonus. Ships with NIST traceable calibration certificate. The cheapest digital barometer I've found so far that's accurate and comes with a calibration cerficate and not just a manufacturer's guarantee. Suitable for scientific work.

Downside is that the screen is clear print plastic with not built-in lighting options. Depending on the lighting conditions and viewing angle, it can be difficult to see the readings and I've had to move it so that I could see the digits or bring a white backing and put it behind the barometer. The see-thru option may be also be useful. It is useful for me so that I can see the reading from the back-side if I happen to be on the other side of the barometer, but you have to learn to read backwards.
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Verified Purchase
this is simple to setup very cool to use. I wish that the pressure highlighted the units it is showing. There are sets of units to the left and right, a little confusing. Otherwise it works for my temperature and pressure corrections very well.
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Verified Purchase
The unit I got does not have any blue light like we see in the picture of the product.
Basically, the screen is dark and hard to read. In fact, it is impossible to read unless
there is a white background behind the display. I find this very disappointing.
I want to see the nice blue color in the display on the unit I bought that I see in the ad.
I conclude therefore that the ad is deliberately misleading and I feel cheated.
The temperature appears to be accurate. Don't know about the barometric pressure.
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Verified Purchase
Took it out of the box and it just worked. Easy to read display. Exactly what I was looking for.
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