Log & Guard sensors for cold storage




Description Sensors for monitoring of fridges, freezers and cryo storage.

Webshop log in
14840/0213 B:safe
  • Description: A 24/7 monitoring trolley for liquid nitrogen storage tanks
14840/0000 Log&Guard™ Controller
  • Description: For permanent monitoring and alarming.
14840/0200 Log&Guard™ Temperature logger, starter kit
  • Description: For conventional incubators, fridges, freezers including signal converter.
14840/0404 Log&Guard™ Logger for ambient temperature and humidity
  • Description: For ambient temperature and humidity.
14840/0300 Log&Guard™ CO2 sensor
  • Description: For CO2 monitoring.
14840/0310 Log&Guard™ O2 sensor
  • Description: For O2 monitoring.
14840/0406 Log&Guard™ VoC sensor
  • Description: For monitoring of VOC.
14840/0407 Replacement detector for VoC sensor
  • Description: For annual service of VOC sensor.
28032/0082 K-systems Adaptor
  • Description: Adaptor set for K-systems G210 Plus benchtop incubator, consisting of a T-fitting and two gas sensor adapters
28032/0090 K-systems Adaptor
  • Description: Adaptor-set for K-Systems G185 ST benchtop incubator, consisting of a T- fitting and two gas sensor adapters
14840/0301 Universal Sensor for Embryo Culture
  • Description: Recommended for bench top incubators.

Boost efficiency and secure long-term success

Complying with quality requirements and regulations in an IVF lab is crucial, but takes time and effort. Log&Guard eliminates time-consuming manual procedures and eliminates the weak spots in manual monitoring. Measurements are standardised for greater reliability and human error is no longer a risk factor.


LG system overview more colours_5oox698.png

how to monitor liquid nitrogen storage tanks in ivf

Cryostorage of eggs, sperm or embryos, is an essential process of an IVF service. However, it also requires careful risk management due to the high risks associated with the quantity of gametes and embryos typically stored and their significance for the individual patient. In addition, there are risks to operators arising from liquid nitrogen (can result in burns) and its vapour (can result in asphyxiation).


Read blog post

Made for the unique challenges of IVF

Log&Guard is specifically designed to automate and standardise frequent work in the laboratory, increasing quality and freeing up time.

Log&Guard gives you automated 24/7 monitoring of all critical parameters in embryo culture and cryostorage. The system consists of a network of independent precision sensors for temperature, CO2, O2, ambient temperature, humidity and VOC, connected to a central unit that displays the readings and saves them permanently.

Sensors for cold storage

Our cold storage sensors allows cryo storage as well as fridges and freezers to be monitored wirelessly by the Log & Guard controller.




A 24/7 monitoring trolley for liquid nitrogen storage tanks

  • Via its integrated balance, B:safe is able to dynamically follow and document the filling level of a storage tank and analyse liquid nitrogen consumption as a benchmark of the tank´s performance.
  • Adding a second layer of safety, a temperature sensor continuously monitors the temperature of the tank´s outer shell and will promptly detect cooling in case of vacuum failure.
  • Supports liquid nitrogen tanks with outer diameters between 460 and 508 mm (most tanks between 30 and 55 liters of volume)
  • Battery operated (2 x LR20 (alkaline, high capacity); battery life > 3 years)
  • Diameter: 700 mm, Height: 160 mm, Weight: 20 kg

Wireless temperature sensor


  • For liquid nitrogen storage tanks, fridges and freezers
  • Pt1000 sensor
  • Battery operated (3x AAA LR03 1.5V Micro; battery life > 3 years)
  • Max distance to the controller / to the next repeater 20 m
  • External dimensions 100 x 65 x 31 mm (LxWxD)
  • Cpl. with small parts for installation

Support Documents

Documents Language

Product manuals
Log & Guard sensors for cold storage

Product manuals


Log & Guard™ B:safe Monitoring trolley for cryostorage User manual

Log & Guard™ B:safe Monitoring trolley for cryostorage User manual

Short protocols
Log & Guard sensors for cold storage

Short protocols


B:safe compatible storage tanks

B:safe compatible storage tanks

Log & Guard sensors for cold storage



Technote_Datasheet-Log-and-Guard-sensors 4.DK

Do you have a question about this product?

Contact us

Find your local Vitrolife representative

Contact us


We provide what you need to secure improved results throughout the IVF journey.