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Thomas ABS Plastic Traceable Refrigerator and Freezer Thermometer, with Bottle Probe, -58 to 158 degree F, -50 to 70 degree C

4.7 out of 5 stars 40 customer reviews
| 11 answered questions

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1 new from $63.00

Specifications for this item
Brand Name Thomas
Part Number 4127
Material Type ABS (Acrylonitrile Butadiene Styrene)
Number of Items 1
EAN 0024140358999
Import Designation Made in USA
Item Weight 0.64 ounces
LowerTemperature Range -58  Degrees Fahrenheit
Maximum Measurement -58/158F
Measurement Type Temperature
Overall Length 4.25  inches
Overall Width 2.75  inches
Power Source Type battery-powered
Temperature Range -58/158  Degrees Fahrenheit
UNSPSC Code 42182200
UPC 024140358999
Upper Temperature Range 158  Degrees Fahrenheit
Volume 0.02  milliliters

The Thomas Memory Monitoring Refrigerator and Freezer Thermometer is a digi... See more product details


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Product Features

  • Dual-range digital thermometer with alarm for monitoring temperature in freezers, refrigerators, incubators, water baths, and heating blocks
  • Measures temperature from -50 to 70 degrees C (-58 to 158 degrees F, with an accuracy of + or - 1 degree C
  • Glycol-filled bottle probe with 10 ft. cable thin enough to be closed in a refrigerator door
  • Minimum/Maximum temperature memory and programmable temperature alarm for monitoring accuracy of refrigeration temperatures
  • Calibrated to ISO 17025 traceability standards for reliability of measurements

Product Details

  • Item Weight: 0.6 ounces
  • Shipping Weight: 8.8 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0069TGQPY
  • Item model number: 9327L12EA
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (40 customer reviews)
  • Amazon Best Sellers Rank: #67,490 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

Product Description

The Thomas Memory Monitoring Refrigerator and Freezer Thermometer is a digital thermometer used for monitoring the temperatures in freezers, refrigerators, incubators, water baths, and heating blocks. The thermometer measures temperature from -50 to 70 degrees C (-58 to 158 degrees F, with an accuracy of + or -1 degree C. The 1 inch by 2.5 inch bottle probe is filled with a nontoxic glycol solution that is generally recognized to be safe around food. The bottle and glycol solution insulate the sensor from sudden temperature changes. The probe is attached with a 10 ft. micro cable, which can be shut in a refrigerator door without creating a gap. The thermometer memory stores minimum/maximum values and has a temperature alarm that can be programmed to indicate audibly and visually when the temperature exceeds a maximum or minimum value. The alarm will continue to sound even when the temperature returns to the set range, until it is turned off. This thermometer is traceable to National Institute of Standards and Technology, indicating that it is calibrated to International Organization for Standardization (ISO) 17025 levels. The Thomas Memory Monitor Thermometer is used in food storage, scientific laboratories, and other industries that require temperature monitoring.

Specifications

Temperature range-50 to 70 degrees C (-58 to 158 degrees F)
Accuracy+ or - 1 degree C
Resolution1 degree C/1 degree F
Bottle probe length2.5"
Probe diameter1"
Cable length10 ft.
Standard metInternational Organization for Standardization (ISO) 17025
Weight4 oz.
Dimensions (H x W x D)4.25 x 2.75 x 0.75 inches

H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Digital thermometers are instruments used to measure the temperature of air, liquids, or surfaces electronically. They may measure temperature in Celsius, Fahrenheit, or both. Most digital thermometers use thermistors, which are small electronic resistors. Thermistors are made out of metals that conduct electricity within a certain range and become more conductive the warmer they get. A microcontroller inside the thermometer measures this electrical conductivity and converts it to a temperature, which is displayed on an LCD. Digital thermometers are used in a wide range of applications, including in laboratory settings, food service and storage, and in doctors' offices and hospitals.

Thomas Scientific manufactures lab supplies, equipment, chemicals, and instruments for scientific research. It is a registered contractor for the United States Federal Government. The company was founded in 1899 and is headquartered in Philadelphia, PA.

What’s in the Box?
  • Thomas Memory Monitoring Refrigerator and Freezer Thermometer
  • Bottle probe
  • Flip-open stand
  • Velcro mounting strips
  • Magnetic mounting strips
  • Traceable certificate
  • Instructions

Customer Reviews

Top Customer Reviews

Verified Purchase
Thomas is is a reputable laboratory equipment manufacturer and supplier. The "traceable" in the name of the device refers to its calibration against a NIST standard. Each device comes with its own individual calibration certificate. I checked several "current" readings against a calibrated liquid-filled laboratory thermometer, and found them to be as specified. The display is easily changed between Celsius and Farhenheit, and so are the alarm settings (lo and hi). The min and max readings can also easily reset. The high-pitch alarm is loud enough to get your attention, but isn't ear-splitting. The instructions are clear. A great value.
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I bought this Thomas ABS Plastic Traceable Refrig/Freezer Thermometer with Bottle Probe to use in my large freezer. My freezer has 2 regular thermometers inside, a power light on the outside and I check all regularly. But recently, my freezer temps started to fluctuate wildly and then plunged sharply downward. Even though I checked it, I missed the wild fluctuations until I had a freezer full of mostly freezer-burned food. After purchasing a NEW freezer, I found this thermometer. So far, it works WONDERFULLY! I can now see the temp from the outside, so can check it much more often and I can see the high/low fluctuation in temp, so I know if it's too much. This thermometer has an alarm that can be set with high/low temps, so I might know even sooner, if something is amiss. It is a bit tricky to figure out how to set it at first, as the directions are a bit confusing, but once figured out and set in place, it is great! The main temp display is fairly large (easy to see from a distance). The alarm is fairly quiet, not too easy to hear from outside the room it's in, but I guess you can't expect too much from one small (included) battery. At least it's something and along with the display will give me more piece-of-mind than before. The fold out stand is tipsy, so I use the enclosed magnetic/Velco strips. The bottle probe is nice because it moderates the temp fluctuation when I open the freezer door. That way the alarm isn't going off each time I do so. The generous 10' long probe wire is thin, but still leaves a small gap in the freezer gasket. An unfolded paper clip works well for pushing the reset button. I like it so much, I ordered another one for my smaller freezer. I wish the price were lower. Hopefully, it will last longer than my freezer did! If I encounter problems, I will update...
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By Chad S. on December 21, 2012
Verified Purchase
I bought this to monitor the temperature of my (very expensive) refrigerated medication. It provides me with exactly the information I need, gives a clear alarm if the temperature gets too low or high, and has been very reliable.
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Verified Purchase
Laboratory tested and calibrated, the design of this system is as good as it gets---at least for the lay public. My old refrigerator was telling me that it's temperature was holding at the set temps in the refrigerator (38-degrees) and the freezer compartment (0-degrees). This device showed that the actual temps were 7 or 8 degrees higher and gradually rising. The 11-year old fridge was not worth investing in a new compressor so we got a new one with a French door design and an extra center drawer.
I then used the Thomas thermometer system (for several days) to check out the new fridge, which passed with flying colors. The Thomas device is similar to a thermometer I use to cook things like prime rib roasts---with a probe inside of the meat that sends the temp info along a cable connecting to a gage outside of the oven. The Thomas device informed me of some things I did not know about going on inside the refrigerator. I learned that the temperature inside the door section was about 4 degrees warmer than the rest of the fridge. Our milk no longer gets put in the door but in the center or rear portion of the fridge where the temps are uniformly the coldest.
I returned the thermometer device to its box for the next time we, or friends, might need to use it. Because this is one of those electronic devices that may not be used again for years, you should remember a special precaution. Before storing it, remove the batteries. I learned about this the hard way when I lost an expensive piece of equipment from an acid leak of alkaline batteries that were left too long in dormant storage.
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Verified Purchase
Very accurate unlike less expensive thermometers I tried. I like the max and min settings which can be reset individually. It's helped me track down why the ice holder in the freezer kept icing up.
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Verified Purchase
My freezer is a drawer on the bottom of the refrigerator. I freeze a few refillable water bottles, and on occasion woke up to find the freezer defrosting and everything melting inside. This was caused because while it seemed the freezer drawer was completely closed, it was not. My fancy refrigerator has all sorts of filters, and even tells you when they need to be replaced, but does not alarm when something is wrong, like temperatures exceeding limits. This thermometer does a great job telling you the temperature and lets you set upper and lower limits for alarms. This is important so having something of this quality is worth the price. It does what it is supposed to do, what more can you ask for?
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