Our Product

m381

4G Real Time Disposable Temperature and Humidity Data Logger

Product Description

The M381 disposable temperature and humidity recorder is a high-precision temperature and humidity recorder utilizing a 4G wireless network. Designed with a solid, reliable, and compact form factor, it leverages global 4G network communication, offering long communication distances, strong anti-interference capabilities, and convenient networking.

Key features include:

Robust Design: Durable and compact for easy deployment in various environments.
Global 4G Connectivity: Ensures reliable communication with extensive coverage and minimal interference.
H7 Cloud Platform Integration: Remotely access and monitor temperature and humidity data, alarm information, positioning details, and device management. Easily export data for further analysis.
Automatic Alerts: If temperature or humidity levels exceed the set thresholds, the system sends instant notifications to the relevant management personnel via SMS.

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Built-in Vibration Monitoring

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Built-in Alarm

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High-accuracy GPS Position System

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Automatic Data Generation

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Waterproofing Grade P65

Technical Data

Type	Single Use
Communications	3G or 4G
Location	LBS
Sensor1	Temperature and humidity (Internal Sensor)
Sensor2	Light(Internal Sensor)
Measurement Range	Temperature: -30℃ to 70℃ or -40℃ to 70℃ Humidity: 0%RH to 100%RH
Accuracy	Temperature: ±0.3℃ (-10℃ to 70℃), ±1℃ (other range) Humidity: ±5%RH (20%RH to 80%RH), ±8%RH (other range)
Memory	7200 readings
Cloud Platform	H7 OR Customized
Shelf Life	1 year
Waterproof class	IP65
Battery capacity	2000mAh or 4000mAh
SIM Card	Built-in (pre-factory installation)
Wariming	LED light, SMS or email (platform alarm)
Device software upgrade	Remote platform upgrade

Detailed Images

Easy to Use

The device is incredibly user-friendly. Simply pull out the strip to activate the built-in SIM card. No parameter setting is required.

Applicable Scene

Vaccine

Blood Transport

Pharmaceutical

Fruit and Vegetable

Containerized

Recording Day Up to 100 Days!

Product Model	Sensor Type	Battery Life	Battery Capacity
M381-T	Temperature	30 days @upload the data every 60 mins 50 days @upload the data every 120 mins	2000 mAh
M381-TH	Temperature & Humidity	30 days @upload the data every 60 mins 50 days @upload the data every 120 mins	2000 mAh
M381-T-XL	Temperature	60 days @upload the data every 60 mins 100 days @upload the data every 120 mins	4000 mAh
M381-TH-XL	Temperature & Humidity	"60 days @upload the data every 60 mins 100 days @upload the data every 120 mins"	4000 mAh

Product Features

High-Performance Digital Sensor: Ensures high measurement accuracy and stable performance.
User-Friendly Operation: Ready to use straight out of the box with no need for parameter settings.
Global Connectivity: Embedded full-band 4G communication module enables global use.
Optional Low Light Detection: Offers enhanced functionality with optional low light detection.
Data Export Capability: Easily export data records to local storage via upper computer software.

Signal Blind Area Data Retransmission: Ensures a continuous data chain even in areas with poor signal coverage.
Instant and Timed Uploads: Supports both immediate and scheduled data uploads to ensure timely alarm notifications.
IP65 Waterproof Design: Built to withstand various working environments with robust waterproof protection.
Extended Battery Life: Designed for super endurance, offering 50-110 days of continuous operation on a single charge.