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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Fridge-Tag® Ultra LowTemperature Data LoggerFridge Tag Ultra LowTemperature Data Logger The Fridge Tag Ultra Low Temperature Data Logger is the perfect tool for monitoring sensitive vaccines and pharmaceuticals stored at ultra low temperatures. IMonitor temperatures as low as 90C and receive instant alerts when limits are exceeded. Plus, generate PDF reports with a clear temperature graph for quick decision making. NIST traceable, with 2 year certificate and FDA 21 CFR Part 11 requirements met.
Fridge-Tag® Ultra LowTemperature Data Logger
The Fridge-Tag® Ultra Low Temperature Data Logger is the perfect tool for monitoring sensitive vaccines and pharmaceuticals stored at ultra low temperatures. IMonitor temperatures as low as -90°C and receive instant alerts when limits are exceeded. Plus, generate PDF reports with a clear temperature graph for quick decision making.
NIST traceable, with 2 year certificate and FDA 21 CFR Part 11 requirements met. No software needed for reporting or computer connection, with 30-day status display and 56 days of temperature and alarm data in PDF report.
Included: Data logger, 3yr NIST certificate, Vial & Probe
SPECIFICATIONS:
DESCRIPTION |
Electronic ultra low temperature logger with USB and external Sensor Fridge-tag device must be mounted outside of the Freezer with external sensor placed inside |
MANUFACTURER’S REF |
Fridge-tag Ultra Low |
TYPICAL APPLICATION AREA |
Monitoring of Ultra Low Temperature Freezer down to -90°C |
EXTERNAL DIMENSIONS (L X W X H) |
128 x 75 x 19 mm, Display 95 x 27 mm |
WEIGHT |
112 g |
STORAGE CONDITION (INACTIVE) |
0 °C to +30 °C / +32 °F to +86 °F |
| ONLY WITH EXTERNAL SENSOR PLACED INSIDE THE FREEZER (Fridge-tag device must be mounted outside of the Freezer) |
|
OPERATING TEMPERATURE |
–90 to 0°C / –130 to +32°F |
ALARM TEMPERATURE RANGE |
–80°C to -5°C in 0.1°C increments –112°F to +23°F |
ACCURACY OF TEMPERATURE MEASUREMENT |
+/- 1.5°C from –90°C to –30°C +/- 3.2°F from –130°F to –22°F +/- 0.5°C from –30°C to 0°C +/- 0.9°F from –22°F to +32°F |
ALARM LIMITS 2 |
individually programmable alarm limits (1 upper and 1 lower alarm limit) |
ALARM TRIGGER TIME |
1 minute to 23 h 59 min |
ALARM INDICATION |
visual, optional audible (buzzer) |
LOGGING INTERVAL |
5 min (standard) |
MEASUREMENT ACCURACY OF THE TIME |
+/- 30 minutes / year |
CALIBRATION |
Every sensor is factory calibrated according NIST/ILAC standard traceable. Calibration certificate on request |
MEMORY SPACE 30 |
30 day overview on display; PDF report length factory settable: 28, 56, 84 or 112 day overview |
BATTERY |
Lithium battery – complies with IATA DGR Packaging Instruction 970-Section II |
PROTECTION CLASS |
IP64 (external sensor not plugged in) |
2D CODE ON LABEL |
2D data matrix |
OPERATING LIFETIME AND SHELF LIFE |
Up to 3 1/2 years (1/2 year storage / 3 years useful life). The battery status indicator on the display provides information on the remaining lifetime. |
WARRANTY |
2 years from date of delivery (see general Berlinger Terms & Conditions) |
MANIPULATION |
Fridge-tag Ultra Low cannot be manipulated, reset or turned off without destroying it |
FORMAT OF THE ORIGINAL DOCUMENT |
PDF / ASCII (it can also be imported by many ERP or data management systems) |
SOFTWARE FOR VERIFYINGPDF AND ASCII FILE |
www.berlinger.com/verifier JAVA™ / The software verifies the digital signature of the ASCII and PDF files. |
STANDARDS |
CE, EMC, ROHS compliant, REACH |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1117 reviews
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Product Reviews
★★★★★ 5
A better topper from a company I trust
Color: Black, Size: Twin
I have a memory foam daybed that has seen better days. The top layer has started to shift from regular use, and I wanted something that would help hold it together. The Bedsure Twin Mattress Topper does exactly that and made a huge difference right away.
This is a high quality, well constructed mattress pad. It fits securely over an extra thick mattress and stays in place. The corner bands under deep pockets are strong and keep everything aligned without slipping. The measurements are accurate. There are instructions to dry it, then leave it out to expand. There was no weird smell. What you see is exactly what you get, in a good way.
The cushioning is even and comfortable, and the fabric feels thick and smooth. It adds structure while still improving comfort. It has a more premium look and function than expected, similar to what you would find in a Five-Star hotel. It feels expensive.
I also appreciate that the color is not white. It looks cleaner over time and feels like a more practical choice. I have used several Bedsure products, and the quality has been consistent. I also like that it is a woman founded and owned brand, and they continue to improve their products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
adds a touch of comfort!
Color: Black, Size: Queen, Color: Black, Size: Queen
I ordered this mattress topper for our guest bedroom. It is soft and adds a little plushness to the existing mattress.
I ordered the queen size for our queen size mattress. It fit well, without much overlap from the mattress topper. The topper has elastic corner bands as well as the fitted sheet like band around the edge, so the topper should stay in place.
The color is black, as shown and if you use light colored sheets, it will likely show through. To combat this, I used a white mattress protector overtop of the pillow topper. You cannot see it through our protector and white sheets.
The topper is more like a padded mattress protector than a true topper. It reminds me of a pillow top, it's not foam just filled to add softness to the mattress. I think it's a great addition, it adds a little height and comfort to the mattress.
Overall, I think this is a nice upgrade to our guest room. It fits well, and serves its intended purpose. I would recommend to anyone wanting to improve the comfort of their mattress.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 4
Try it but have lower expectations
Color: Black, Size: Queen
Pros:
-fairly heavy
-fits right
-soft enough to dream on
-not too expensive
Cons:
-kinda lumpy feeling and that’s hard to shake
-not the classiest wrap/attachment
-a little stinky out of the box that can take a while to offgas or whatever
It definitely upgrades a futon mattress, even if it doesn’t want to bend easily with it. It’s meant for a stationary mattress.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Feels Like Sleeping on a Cloud
Color: Black, Size: Queen
This mattress topper completely transformed my bed. From the first night, I noticed how much softer and more comfortable my mattress felt. The pillow-top design adds a plush layer of cushioning without making the bed feel overly soft or unsupportive.
I was especially impressed by how breathable it is. I tend to get warm while sleeping, but this topper stays comfortable throughout the night and doesn’t trap heat. The moisture-wicking fabric is a nice bonus and helps keep the bed feeling fresh.
The deep-pocket design fit my mattress perfectly and stayed securely in place without shifting around. Installation was quick and easy, and the black color gives it a sleek, premium look.
After fluffing up, it provided just the right amount of extra comfort and made my mattress feel much more luxurious. For the price, this topper offers excellent value and has greatly improved my sleep quality. I would definitely purchase it again and recommend it to anyone looking to add softness and comfort to their bed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Feels Like Sleeping on a Cloud — One of My Favorite Bedsure Products Yet
Color: Black, Size: King
I’ve had really good experiences with Bedsure products over time, so whenever I get the chance to try another one I usually do, and this mattress topper definitely did not disappoint. This one went on my mom’s king size bed and the difference was noticeable immediately.
The topper has a soft, cloud-like feel while still giving enough support underneath so you don’t just sink straight through it. It added a much more comfortable layer to the mattress and made the bed feel cozy and inviting without being overly heavy or hot.
I also appreciated how easy it was to put on. The deep pocket design fit securely over the king mattress without struggling to stretch the corners, and once it was on, it stayed in place well through the night.
The material feels breathable and smooth, which is especially nice for warmer nights. My mom commented that she slept really well with it and woke up feeling more comfortable than usual, which honestly says a lot.
Overall this feels like a high-quality mattress topper that makes a bed instantly more comfortable. Bedsure continues to be one of those brands I trust for soft bedding and reliable quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
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