21CFR WiFi Vaccine Monitoring Kit – Lascar EL-WiFi-21CFR-VAC


  • Can be installed as part of a 21CFR compliant system with additional controls including permission-based use, authority level sign-off and full system audit
  • -40°C to +60°C (-40°F to +140°F) temperature measurement range
  • Wirelessly stream and view data on the 21CFR Cloud
  • Configurable high and low alarms with indicator
  • Easy sensor set-up using free PC software application
  • Calibration certificate supplied at 2 and 8°C

The EL-WiFi-VAC measures the temperature of a probe sunk into a glycol bottle, designed to mimic a vaccine sample. Data is streamed wirelessly over any compatible WiFi network to be viewed on the 21CFR Cloud. During configuration, the sensor will search for an existing wireless network whilst physically connected to the PC. The sensor can then be placed anywhere within range of the network. In a typical usage scenario, the probe is placed next to the vaccines within a fridge, and the ribbon cable fed out to the logger attached to the outside of the fridge using its magnetised wall bracket; the cable is deliberately thin so as not to interfere with the fridge seal.

If the sensor temporarily loses connectivity with the network, it will log readings until it is able to communicate again with the PC application or 21CFR Cloud (max 30 days at 10 second sample interval). The sensor is IEEE 802.11bgn* (2.4GHz) compliant, supports WEP, WPA/WPA2 encryption and enterprise networks (PEAP, TTLS, FAST). The logger unit has a protection rating of IP42 and the probe IP67. The unit is freestanding, but can be attached to a wall or surface using the bracket provided. The unit can be clipped in and out of the bracket as required.


The EL-WiFi-21CFR-VAC is suitable for a wide variety of applications particularly those which require 21CFR complaint data collection and management these include:

  • Vaccine Storage
  • Blood Storage


Measurement range (probe supplied) -40 to 60°C (-40 to 140°F)
Measurement resolution 0.01°C (32°F)
Measurement accuracy (typical) ±0.2°C (-15 to +60°C) ±0.4°F (+5 to +140°F)
Measurement accuracy (maximum) ±0.6°C (-40 to +60°C/ -40 to +140°F)
Operating temperature (module) -20 to +60°C (-4 to +140°F)
Readings Unlimited
Logging Rate User selectable between 10 seconds and 12 hours
Battery Life 6 Months
Calibration Certificate Supplied at 2 and 8°C


Lascar EL-WiFi-21CFR-VAC – 21CFR WiFi Vaccine Monitoring Kit-DpstarGroup


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