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Description
Milesight EM500-PT100 LoRaWAN Temperature Sensor (-200°C to +50°C)Precision Monitoring for Extreme Cold Environments Introducing the Milesight EM500 PT100, an industrial grade LoRaWAN sensor engineered for ultra low temperature monitoring. Designed for exceptional accuracy and resilience in harsh conditions, this sensor is the definitive solution for applications demanding precise thermal control, from cryogenic storage to pharmaceutical logistics. It utilizes a high precision PT100 platinum resistance thermometer
Precision Monitoring for Extreme Cold Environments
Introducing the Milesight EM500-PT100, an industrial-grade LoRaWAN sensor engineered for ultra-low temperature monitoring. Designed for exceptional accuracy and resilience in harsh conditions, this sensor is the definitive solution for applications demanding precise thermal control, from cryogenic storage to pharmaceutical logistics. It utilizes a high-precision PT100 platinum resistance thermometer to deliver reliable temperature readings across an extensive range of -200°C to +50°C. Its robust, IP67-rated waterproof enclosure ensures long-term performance in the most challenging industrial and outdoor settings.
Key Features
- Ultra-Wide Temperature Range: Accurately measures temperatures from -200°C to +50°C, making it ideal for cryogenic and deep-freeze applications.
- High-Precision PT100 Probe: Employs a Class A platinum resistance thermometer for superior accuracy (±0.5°C) and long-term stability.
- LoRaWAN® Connectivity: Leverages LoRaWAN technology for long-range (up to 15 km in rural areas), low-power wireless data transmission, ensuring seamless integration with your IoT network.
- Extended Battery Life: Powered by a high-capacity 19000 mAh Li-SOCL2 battery, the sensor can operate for up to 10 years, minimizing maintenance and replacement costs.
- Rugged Industrial Design: Features a durable IP67-rated, UV-resistant enclosure, providing robust protection against water and dust ingress in harsh environments.
- Simple NFC Configuration: Quickly and easily configure the sensor on-site using a mobile application via NFC technology.
Applications
The EM500-PT100 is perfectly suited for a wide array of critical monitoring applications, including:
- Medical and pharmaceutical freezer monitoring
- Vaccine and laboratory sample storage
- Cold chain logistics and transportation
- Industrial process monitoring
- Food processing and storage facilities
Specifications Table
| Wireless Transmission | |
|---|---|
| Technology | LoRaWAN® |
| Frequency | EU868/US915/AU915/KR920/AS923/CN470/RU864/IN865 |
| Tx Power | Up to 20 dBm |
| Sensitivity | -137dBm @300bps |
| Mode | OTAA/ABP Class A |
| Sensor Specifications | |
| Probe Type | PT100 Platinum Resistance Thermometer |
| Measurement Range | -200°C to +50°C |
| Accuracy | ±0.5°C |
| Resolution | 0.1°C |
| Connection Type | 3-wire connection |
| Physical Characteristics | |
| Power Supply | 19000 mAh Li-SOCL2 Battery (ER34615) |
| Battery Life | Up to 10 Years |
| Operating Temperature | Device: -30°C to +70°C |
| Ingress Protection | IP66/IP67 |
| Dimensions | 156.1 × 71 × 69.5 mm |
| Probe Cable Length | 1.5 m (Customizable) |
| Configuration | NFC (Near Field Communication) |
| Mounting | Wall or Pole Mount |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Reliable and Affordable Timekeeping for an Active Lifestyle
Color: Black/Gray
I recently purchased the Timex Unisex Ironman Classic 30 34mm Watch, and it has exceeded my expectations in terms of functionality, durability, and style.
First and foremost, the watch's design is sleek and unisex, making it suitable for a variety of wrist sizes and both casual and sporty occasions. The 34mm face strikes a perfect balance, providing clear visibility of the time without feeling bulky on the wrist.
One of the standout features of this timepiece is its reliability. The Ironman Classic 30 lives up to its name with a water resistance of up to 100 meters, making it suitable for swimming and other water-based activities. The durable resin strap and casing can withstand the wear and tear of an active lifestyle, ensuring longevity.
The watch's functionality is where it truly shines. The digital display is easy to read, and the Indiglo backlight is a game-changer in low-light conditions. The 30-lap memory is a handy feature for tracking workouts or laps in the pool, while the countdown timer and alarm add practicality for daily use.
Setting and adjusting the time and date are straightforward, thanks to the user-friendly interface. The watch also offers a dual time zone feature, making it a great companion for travelers.
Battery life is impressive, providing long-lasting performance without the need for frequent replacements. This is a crucial aspect for those who rely on their timepiece during outdoor adventures or extended periods away from a power source.
In terms of value for money, the Timex Ironman Classic 30 delivers outstanding features at an affordable price point. Whether you're an athlete, fitness enthusiast, or someone who simply appreciates a reliable timepiece, this watch is a solid investment.
In conclusion, the Timex Unisex Ironman Classic 30 34mm Watch combines style, durability, and functionality seamlessly. It has become my go-to watch for both daily wear and active pursuits. I highly recommend it to anyone seeking a reliable and affordable timekeeping companion.
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Reviewed in the United States on March 7, 2024
★★★★★ 5
The Best for Athletics
Color: Black/Gray
This is a sleek, light wristwatch that will not weigh you down with its bulk. Forget the gigantic profile of a "survivalist" wristwatch. This unisex model is svelte and slim, not adding much to the wake you generate while swimming, or the swing of your arms while running, or the wind as it passes around your wrists and hands while you are speeding by on your racing bike. This is only 34mm across, by 35mm tall, by 11.5mm thick. The wristband is 13mm at its median working width. Timex styling cannot be beat, and neither is the resin-rubber-like material. I don't know about you, but the price is something I take a good look at. I want a watch that is reasonably priced and high-quality. I don't want to spend $200 to $1000 on a watch and worrying about being careful with it. If it gets smashed, it's only $30 to $50, not a big loss, and the quality is way better than what they were making in the 1980's. These watches are made for athletics and the real world.
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Reviewed in the United States on August 14, 2025
★★★★★ 4
Great watch, flimsy band
Color: Gray/Lilac
I bought this watch to replace a similar model because the band broke. I see this is a recurrent problem in many other reviews. However, I liked the watch enough to buy it again anyway. I found the new model easy to set, being fairly intuitive. So far it keeps perfect time. I use this watch mainly as a travel watch, and loved the dual time zone function. I am pleased that the newer model now has the ability to set 3 times zones instead of 2, which is an added bonus. The only con I see at this point is the flimsy strap. Unfortunately, the strap on this model is even thinner than on the previous one, and I wonder how long it will last. Also I wonder about the battery length. I think these watches may have been sitting around a long time. The setting showed 2012. I am afraid much of the battery life of the original battery may have already been used up and the battery may need replacing early. Only time will tell. The watch fits my small wrist fine and it is a little more attractive than the old model. I give it 4 stars instead of 5 only because of the band problem.
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Reviewed in the United States on August 13, 2016
★★★★★ 5
Great fit and quality!
Color: Black/Gray
Always love the quality of a Timex watch. Great fit for smaller wrists.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Fine for a man (with skinny wrists)
Color: Black/Gray, Color: Black/Gray
I have an older mens ironman which has gotten a little beat up and needs replacing. The band is much longer than I need. The metal clasp sits off-center on the underside of my wrist, closer to the part of my wrist which curves around to the front. The too-long strap sometimes flops around and catches on things. I couldn't find a smaller-band mens version, so I tried this "womens" watch (picking the most manly-looking one, of course). I like it better. The band fits my wrist much better, with the metal band in the middle and no flop. I also like that the watch is lighter and the face and band are smaller and less bulky, so it is less noticeable when I'm wearing it (cycling weight weenies will appreciate this). The face is still large enough to be easily legible and contains all of the same great features as my mens ironman watch, plus the newer versions now have an hourly chime, nice! Other info: my wrist is ~17.5cm or ~7.0" around. On this watch, I use the 6th out of 9 slots on the band. On my mens ironman, I use the 3rd out of 9 slots. Weight: this one = 28g, mens = 39g.
Pics show comparison of my prior mens ironman with this new "womens" ironman. Photo order is confusing (couldn't figure out how to change that). They are: (1) side-by-side, mens on left, (2) mens band (wider and clasp is off-center on my wrist, end of band hangs over the edge of my wrist -- too long for me -- catches on things), (3) womens band (less wide, clasp is more centered on my wrist and end does hang over edge of my wrist), (3) womens watch (smaller, and looks new), and (5) mens watch, looking a little beat up.
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Reviewed in the United States on August 5, 2017
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