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High-accuracy sensing with optional external probe
Continuous power supply with 3×AA battery backup
Wi-Fi / 4G / LAN connectivity options
Compact design with large, clear display
Real-time cloud monitoring with smart alerts
On-site audible and visual alarms
API-ready for system integration
The COEUS Mini Series is a compact real-time temperature humidity data logger designed for reliable environmental monitoring in critical indoor facilities. With flexible connectivity options including Wi-Fi, 4G, and LAN, the device automatically uploads monitoring data to the cloud for remote access and real-time visibility.
Ideal for environments such as freezers and refrigerators, laboratories, pharmacies, warehouses, and server rooms, the COEUS Mini wireless data logger provides instant alert notifications, on-site audible and visual alarms, and API-based system integration, helping ensure stable environmental conditions and efficient facility management.
Features
High-Accuracy Sensing, Optional External Probe
Built-in temperature and humidity sensors provide reliable measurements
An optional external probe is available for flexible monitoring in different environments.
Continuous Power with 3×AA Battery Backup
External power adapter supports continuous operation
The three AA batteries provide backup power during unexpected power interruptions.
Wi-Fi / 4G / LAN Connectivity
Multiple connectivity options for flexible deployment
Stable data transmission across different network environments.
Real-Time Cloud Monitoring with Alerts
Monitoring data is automatically uploaded to the cloud platform
Real-time access with instant alert notifications.
Local Audible and Visual Alarms
Configurable thresholds trigger on-site alarms
Sound and light alerts enable immediate response.
API-Ready for System Integration
Open API interface for seamless data access
Easy integration with third-party platforms and management systems.
Compact Design with Clear Display
Compact form factor for convenient installation
Large backlit display for clear on-site readings.
Model | COEUS Mini |
Data Upload Network | WiFi / 4G / LAN |
Built-in Sensor | -20℃ ~ +60℃; ±0.5℃(F.S.) |
0~100%RH, ±3%RH(25℃, 20%~90%RH), ±5%RH (Others) | |
External Probe | Max. one external probe optional (See External Probe List) |
Logging Interval | 1 minute ~ 2 days |
Memory Capacity | 120,000 readings, circular buffer |
Uploading Interval | 1 minute ~ 2 days |
Main Power Supply | USB-Type C, 5V/2A(DC) |
Backup Power | 3×AA battery (Not Included) |
Backup Power Duration | Up to 1 month (10-min upload interval ) |
Display | LED & LCD(62mm*33mm) |
Installations | Fix with screws / Wall mounting |
Dimensions | 93mm*63mm*30.2mm |
Weight | Approx. 100g (Device only) |
External Probe List:
Probe Type | Measuring Range | Measuring Accuracy |
Temperature Probe | -30℃~+70℃ | ±0.5℃ (-30℃~+50℃) ±1.0℃(Others) |
-90℃~+200℃ | ±0.3℃ (-40℃~+100℃) ±0.5℃ (-80℃~-40℃; +100℃~+150℃) ±1.0℃ (Others) | |
Temperature and Humidity Probe | -40℃~+85℃ | ±0.5℃ F.S. |
0-100%RH | ±3%RH (25℃, 20%~90%RH) ±5%RH (Others) | |
Standard cable length: 2m; Customizable length available: 5m, 10m, 15m or 20m. | ||
Application
COEUS Mini real-time data logger is suitable for automated environmental monitoring of freezers, network closets, server rooms, data centers, laboratories and warehouses, etc.
FreshLink
（Android & iOS supported）
FreshLink is a mobile APP designed for Freshliance’s real time temperature monitoring solutions with the gateways, and WiFi devices, etc. It is compatible with Android and iOS systems, and is composed of five pages: Home, Manage, Group, Alarm and Download, respectively for device status, real-time and historical data, usage records, device groups, data alarms, and data reports, etc. Using this APP, users can wirelessly configure and control the gateways, and WiFi devices, etc, as well as realize remote data tracking, filtration, analysis, and export in real time.
It works with the temperature monitoring solutions based on the gateways, and WiFi devices, etc.
Not sure which model is suitable for your application? Send us your requirements—we will recommend the best solution.
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