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Lascar EL-WIFI-21CFR-TH+ Wireless Humidity Data Logging Sensor

Lascar 21CFR WiFi Better Accuracy Humidity and Temperature Data Logger

Part Number: EL-WIFI-21CFR-TH+

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  • Measure and Record Temperature and Humidity Using High Accuracy Internal Sensors

  • Permission-Based Use, Authority Level-Sign-Off and Full System Audits Ensure 21CFR Part 11 Standards Met

  • -20°C to 60°C and 0 to 100% RH Ranges with ±0.2°C and ±1.8% RH Accuracy

  • Paid WiFi 21CFR Cloud Service Subscriptions Starting at $179 per Year (Purchased during Setup Process)

  • Logs up to 500,000 Readings onto Internal Memory if Wireless Network Not Available

  • LCD Shows Current Temperature and Humidity Readings, Battery Status and Alarm Status

Includes Rechargeable Lithium Battery, Micro USB Cable and Wall Bracket. PC Software (For Setup and Local Storage) Available as A Download.

Special Order - please allow 7-10 business days for this item to ship.


All Calibration Orders Have a 5 to 7 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified

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Lascar EL-WIFI-21CFR-TH+ Wireless Temperature and Humidity Data Logger Specifications

Humidity Measurement Range: 0 to 100% RH
Resolution: 0.1 %RH (Measurement); 1% RH (Display)
Accuracy: ±1.8% RH (10% RH to 90% RH Range); ±4.0% RH(0 to 100% RH Range)
Temperature Measurement Range: -20°C to 60°C (-4°F to 140°F)
Resolution: 0.01°C (Measurement); 0.5°C (Display)
Accuracy: ±0.2°C (5°C to 60°C); ±0.8°C (-20°C to 60°C)
Data Storage Options Store All Recorded Readings to the EasyLog 21CFR WiFi Cloud for Access from Any Device Any Time and Analysis. EasyLog 21CFR WiFi PC Software is used only for the initial Setup.
Data Storage Capacity On Device: 500,000 Humidity and Temperature Readings
Note: If WiFi Connectivity is Not Available. Once Restored, Data is Wirelessly Transmitted to PC or Cloud, Depending on Setup and Configuration
Sampling Rate 10 Second to 12 Hours
Transmission Rate 1 Minute to 24 Hours (User-Configurable)
How often Data is Transmitted Back to the PC Using Existing WiFi Network
Operating Range Temperature: -20°C to 60°C (-4°F to 140°F)
Power Source Rechargeable Lithium Polymer Battery
Battery Life Typically 1 Year (Dependant on Sampling Rate and Environment)
Display Functions Current, Min and Max Readings, Battery Life, Wireless Signal Strength, Alarm Event Status, Probe Connection Status,
Maximum Logged Temperature
Minimum Logged Temperature
Alarm and Alerts Visual - Blinking LED
Cloud-Based Storage and Service Provides Additional Email Alerts Not Available on PC Software
21CFR Complaince Permissions Based Use and Access, Authority Based Action Sign-Off, Data Records Cannot Be Edited or Deleted and Complete System Audit Trail
OS Compatibility Desktop PC: Windows 10, 8, 7, Vista, XP (32-bit and 64-Bit Versions)
NOTE:EasyLog 21CFR WiFi PC Software for Initial Setup or Local Storage of Data
Mobile/Tablet: Android (Available on Google Play) and iOS (Available on App Store)
Standards Compliance IP55, 21CFR Part 11
Weight 4.4 oz.
Dimensions 26.36mm x 97.3mm x 71.3 mm

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  • Answer:

    The calibration service is just a validation performed by our ISO accredited lab.  They will provide a certificate with the serial number of the logger showing that it tested within its accuracy specification.

    The logger will work the same whether the calibration was performed or not.

    Both levels of calibration are the same except the more expensive one includes the uncertainty data.  Some customers require this information but most don't.


    There is also another version of this same logger that is less expensive that isn't 21CFR compliant.  If you don't need to be compliant with 21CFR then I would suggest looking at this one - https://www.microdaq.com/lascar-wifi-high-accuracy-temperature-humidity-data-logger.php               

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