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RH Digital Datalogger
Rh scientifics series data loggers are suitable for the temperature and humidity monitoring of cold rooms, especially the refrigerators and freezers. They are the stand-alone loggers with the built-in WiFi or 4G module to transfer the monitoring data to the Freshliance Cloud as preset. All real-time and historical data are globally accessible in real time via the mobile APP and cloud platform, and notifications will be sent by emails, SMS, and APP Push if any alarm data.
RH Scientifics WiFi can be connected with the local WiFi router network and then transfer monitoring data to the cloud via the WiFi communication, no additional gateways or repeaters required
Features.
The RH DATALOGGER-4G/WiFi temperature sensor from RH Scientific is designed for real-time environmental monitoring in both static and mobile applications. Available in Wi-Fi and 4G versions, these IoT data loggers provide reliable temperature and humidity data with robust alerting, long battery life, and flexible deployment.
24/7 Real-Time Remote Monitoring
WiFi temperature sensor connects via WiFi—no SIM card or mobile data plan required. Ensures stable, cost-effective monitoring for indoor environments.
4G real-time data logger automatically uploads data via a built-in 4G SIM card, with no need for Wi-Fi. Direct cellular connection enables seamless setup and real-time tracking, even in mobile or remote environments.
Dual Monitoring System: App + Cloud Platform
Real-time access and remote configuration via both mobile app and cloud platform—no need for on-site manual checks
Instant Alerts
Receive SMS, email, and app push notifications via the internet.
Visual + audible alerts on the device: red flashing light + buzzer.
Specifications
|
Model |
RH Scientifics-WiFi |
RH Scientifics-4G |
|
Data Upload Network |
WiFi |
4G |
|
Device Configuration Network |
Device AP |
4G |
|
Maximum Power Consumption |
≤ 500mA |
≤ 800mA |
|
Sensor rangee |
-85℃ ~+ 200℃ ±0.5℃ F.S. |
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|
External Probes |
-85℃ ~+ 200℃ ±0.5℃ F.S. | |
|
Logging Interval |
1 minute ~ 2 days |
|
|
Uploading Interval |
1 minute ~ 2 days |
|
|
Memory Capacity |
120,000 readings, circular buffer |
|
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Main Power Supply |
USB-Type C, 5V/2A (DC) |
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Backup Battery |
Rechargeable lithium battery, 2600mAh; Max. 60 days per charge (Uploading interval: 15min) |
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Charging Time |
About 4 hours |
|
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Alarm Mode |
Audible and visual alarm |
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Device Dimensions |
109mm(L)*33mm(W)*80mm(H) |
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Screen Dimensions |
85mm*52mm |
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Weight |
145g |
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