FlashLink® RTL 3G Cryo Reusable Data Logger

Model 22370

  • Monitor ultra low temperature during storage and transport using dry ice or liquid nitrogen
  • External sensor tracks temperature of products
  • No need to open shipping box or vehicle door to read data
  • Location data plotted on Google Maps
  • Data is automatically uploaded to 24/7 cloud service
  • On-board memory records data every 5 minutes
  • Option to download PDF report to PC with USB cable
  • 12-month battery shelf life
  • Optional Bluetooth printer provides paper chart on demand
Applications: Real-time monitoring for storage and transport under cryo and dry ice conditions

The FlashLink RTL 3G Cryo Reusable Data Logger monitors and reports temperature and location during transport of perishable temperature sensitive products. Track deliveries using a cloud based service to see real-time route information and conditions in a truck or airplane. The RTL 3G Cryo Reusable Logger offers real-time reporting and a PDF backup when there's no cellular service available.

This reliable reusable data logger sends data, at regular intervals, to the cloud, where it’s always available. The PDF backup and a new flight mode feature give this logger class leading ability to track shipments anywhere! An online dashboard makes data available to shippers at all times, even before a shipment reaches the receiving dock.

Cell Coverage


22370-01 Includes 1-yr FlashTrak RU Cloud Service
22370-02 Includes 2-yr FlashTrak RU Cloud Service


FlashLink® RTL 3G Cryo Reusable Data Logger
DeltaTrak manufactures products under an ISO 9001:2015 registered quality management system
External Probe Measurement Range -328°F to 212°F (-200°C to 100°C)
Operating Range -4°F to 158°F (-20˚C to 70˚C)
Temperature Accuracy ±0.9°F from 14ºF to 113ºF (±0.5°C from -10°C to 45°C) ±2°F (±1ºC) other
Temperature Resolution 0.1 ºF/ºC
Data Capacity 50,000 data points
Logging Interval 5 minutes
Data Upload Interval 15 minutes
Log Duration Perpetual logging when powered by USB cable (provided) and 15 days on full battery charge (without external power supply)
GSM Network 3G: Band 1/2/4/5/8 Global coverage
2G: Quad band GSM 850/900/1800/1900 MHz
SIM Internal Embedded (Global Data Roaming)
Power Source Lithium-ion battery, meets UN38.3
Battery Life 15 days on one full charge
Logger Weight 3.63 oz (103 grams) (without cable/probe)
Logger Dimensions 2.58in x 4.01in x 0.73in (65.5mm x 103mm x 18.5mm)
Probe Size 2.36in L x 0.2in D (6cm L x 0.5cm D) Stainless steel, blunt tip
Cable 3.3 feet / 1 meter PTFE with stainless steel woven mesh
Waterproof Rating IP64
Calibration ISO 17025 Calibration Certificate (A2LA), 1-yr NIST Calibration Certificate, and Manufacturer’s Certificate of Compliance available
Certification FCC, CE Mark, RoHS, WEEE, NIST traceable temperature accuracy
System Requirements Logger requires cellular network connection to send data to secure cloud application. User requires PC or other Internet enabled device to view data online
Download Requirements Micro USB to USB cable for download to PC or other USB enabled device that can read PDF files
Accessories • 22375 FlashLink BLE Printer
• 21048 ISO 17025 Calibration Certificate


Each FlashLink® RTL 3G Cryo Reusable Data Logger includes an external sensor that tracks temperature of products.


Model 22375 - FlashLink BLE Printer

  • Connects by Bluetooth to FlashLink RTL Reusable Data Loggers
  • Print reports on demand within seconds
  • Paper chart has date, time and temperature
  • Signature confirmation area at end of report
  • Replaceable paper roll



RTL-Prime 3G Solutions