--- title: Micropack III Wireless Temperature Data Logger | Mesa Labs description: The Micropack III wireless temperature data logger is Mesa’s smallest monitoring device yet at under 1” square. Put MPIII in as close to or even inside what you’re monitoring. image: https://lynton-sb3-mesalabs-20969579.hs-sites.com/hubfs/website/solutions/solutions/continuous%20and%20process%20monitoring/Hardware/Micropack%20III%20Temperature%20Data%20Logger/micropack-iii-temperature-data-logger-main1.png --- # Micropack III Wireless Temperature Data Logger 1. [Home](https://lynton-sb3-mesalabs-20969579.hs-sites.com) 2. caret-right icon [Our Solutions](https://lynton-sb3-mesalabs-20969579.hs-sites.com/solutions) 3. caret-right icon 4. caret-right icon [Products](https://lynton-sb3-mesalabs-20969579.hs-sites.com/products/) 5. caret-right icon Micropack III Wireless Temperature Data Logger ![micropack-iii-temperature-data-logger-main1](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hs-fs/hubfs/website/solutions/solutions/continuous%20and%20process%20monitoring/Hardware/Micropack%20III%20Temperature%20Data%20Logger/micropack-iii-temperature-data-logger-main1.png?width=600&height=600&name=micropack-iii-temperature-data-logger-main1.png) ![micropack-iii-temperature-data-logger-main1](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hs-fs/hubfs/website/solutions/solutions/continuous%20and%20process%20monitoring/Hardware/Micropack%20III%20Temperature%20Data%20Logger/micropack-iii-temperature-data-logger-main1.png?width=45&height=45&name=micropack-iii-temperature-data-logger-main1.png) ## Smaller loggers for versatile temperature monitoring **Under 1”**  Micropack III’s small size makes it easy to position your data logger very near or even inside monitored items.  **Wireless**  With no need for cords and wires, Micropack III allows even wider access and greater precision to monitor tight spaces.  **Versatile**  Use Micropack III for a wide range of applications from EtO pasteurization to sterilization to depyrogenation.  [ GET A QUOTE ](http://lynton-sb3-mesalabs-20969579.hs-sites.com/continuous-process-monitoring/quote-request?which_of_our_products_are_you_inquiring_about_=DataTrace%20Data%20Loggers) [ Contact Mesa ](http://lynton-sb3-mesalabs-20969579.hs-sites.com/-temporary-slug-e232c33c-c220-4a5c-8c6c-6a43e1edc8a0) Technical Specifications Product Options Document Downloads ### Technical Specifications **Size**  - 0.7”W x 0.9”L  - Rigid probe lengths: 1-5” standard, custom lengths available  - Flexible probe lengths: 8”, 14”, 25” standard; custom lengths available  - Bendable probe lengths: 10”, 14”, 25” standard; custom lengths available  **Weight**  - 0.5 oz  **Material**  - 316 stainless steel   - Sapphire IR windows  **Power**  - Field-replaceable lithium battery  **Range**  - Temperature: -20° - 400°C (depending on options selected)  - Temperature accuracy: 0.1°C to .5°C (depending on options selected)  - Clock accuracy: 26 seconds per 24 hours  - Operating pressure: up to 10 BAR  - Resolution: 0.001°C  **Calibration**  - Factory calibrated (NIST-traceable)  - Field calibrated (MPIII Temp/Dual only)  **Memory**  - 16,000 time/temperature observations  **Certifications**  - ATEX for intrinsic safety ### Product Options **Probe type ** - Rigid  - Bendable  - Flexible silicone  - Flexible stainless steel  **Probe tips ** - Needle  - Taper for silicone probes  - Round for bendable probes  **Sensor elements ** - Thermistor  - RTD  **Extended range ** - MPIII HiTemp  - MPIII HiTemp EXT ### Document Downloads - [Micropack III wireless data logger spec sheet ](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hubfs/datamind/public/MPIII-Temperature-Brochure.12DEC2017.pdf) - [MPIII battery change quick start ](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hubfs/datamind/public/MPIII-Battery-Change-Quick-Start-Guide.05OCT2016.pdf) - [MPIII overview video](https://www.youtube.com/watch?v=byB3QM1oBPs) ### Related products #### [![Dual Probe Temperature Data Logger](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hs-fs/hubfs/website/solutions/solutions/continuous%20and%20process%20monitoring/Hardware/Dual%20Probe%20Temperature%20Data%20Logger/dual-probe-temperature-data-logger-main.png?width=300&height=300&name=dual-probe-temperature-data-logger-main.png) Dual Probe Temperature Data Logger The DataTrace Dual Probe Temperature Logger allows the user to measure 2 data points with a single logger, giving users more flexibility and information.](http://lynton-sb3-mesalabs-20969579.hs-sites.com/products/continuous-process-monitoring/dual-probe-temperature-data-logger) #### [![Micropack Radio Frequency Temperature Data Logger](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hs-fs/hubfs/website/solutions/solutions/continuous%20and%20process%20monitoring/Hardware/MPRF%20Temperature%20Data%20Logger/mprf-temperature-data-logger-main.jpg.png?width=300&height=300&name=mprf-temperature-data-logger-main.jpg.png) Micropack Radio Frequency Temperature Data Logger The Micropack Radio Frequency (MPRF) temperature data logger from Mesa Labs delivers flexible, wireless monitoring for tight spaces without compromising accuracy.](http://lynton-sb3-mesalabs-20969579.hs-sites.com/products/continuous-process-monitoring/mprf-temperature-data-logger) #### [![Micro Flex Data Logger](https://lynton-sb3-mesalabs-20969579.hs-sites.com/hs-fs/hubfs/website/solutions/solutions/continuous%20and%20process%20monitoring/Hardware/Micro%20Flex%20Data%20Logger/micro-flex-data-logger-main.jpg.png?width=300&height=300&name=micro-flex-data-logger-main.jpg.png) Micro Flex Data Logger The Micro Flex surface temperature data logger offers a unique dual probe design to enable surface temperature validation for up to two vials or surfaces.](http://lynton-sb3-mesalabs-20969579.hs-sites.com/products/continuous-process-monitoring/micro-flex-data-logger) ### Related services [ #### [Placeholder] Data Logger Calibiration & Repair Learn more ](http://lynton-sb3-mesalabs-20969579.hs-sites.com/-temporary-slug-1935a9c8-11ac-4919-bc93-157f9cb7e83a) [ #### [Placeholder] Process Monitoring Software Learn more ](http://lynton-sb3-mesalabs-20969579.hs-sites.com/-temporary-slug-0910c3ac-d3aa-494f-8553-8c0d10b6bc25)