The Campbell Scientific CR310 datalogger, integrated with the QuestTemp QT44 heat stress monitor, delivers reliable CR310 cloud monitoring through the Ecostat platform. For mining and industrial sites where connectivity is unreliable and compliance is non-negotiable, this combination solves the hardest problem in environmental monitoring: getting data off-site without losing a single record.
Anyone who has deployed monitoring equipment at a remote site knows the instruments do their job. The real challenge is transporting that data to a centralised platform where it can be reviewed, reported on, and acted upon. Unreliable cellular coverage, restricted GSM zones, and power interruptions all conspire against you.
This is exactly the problem Ecostat was built to solve. Our integration of the CR310 with the QT44 is a clear example of how we approach it.
Why WBGT Monitoring Needs Reliable CR310 Cloud Monitoring
Wet Bulb Globe Temperature (WBGT) monitoring is a regulatory requirement on many South African mining and industrial sites. As a result, heat stress data must be continuous, accurate, and auditable. The QuestTemp QT44 is the field standard for WBGT cloud monitoring. It measures WBGT, ambient temperature, relative humidity, and globe temperature continuously.
However, the QT44 on its own is a standalone instrument. Getting its readings into a centralised monitoring platform from a site 500km away requires more than just a SIM card. That is where the CR310 and Ecostat come in.
How the CR310 Cloud Monitoring Integration Works
The architecture is straightforward, and that is deliberate. Simple systems are reliable systems.
First, the QT44 outputs measurement data via RS-232 serial at 9600 baud (8N1). This connects directly to the Campbell Scientific CR310 datalogger. The CR310 then handles data acquisition, local storage, and onward transmission.
In addition, the CR310 is programmable via CRBasic, Campbell Scientific’s datalogger language. We configure it to poll the QT44 at the required interval, parse the serial output, and store readings in internal memory.
Furthermore, a MetOne 010C anemometer connects to the CR310 for wind speed measurement via pulse output (40 pulses per revolution). This provides a more complete picture of site conditions alongside the heat stress data.
Finally, all acquired data is transmitted to the Ecostat cloud platform via HTTPS (port 443), using the CR310’s built-in HTTPPost() function. Once received, data is stored, visualised, and available for reporting.
Zero Data Gaps: The Key Advantage
This is where the setup truly earns its keep.
If the data connection drops due to a cellular outage, network fault, or power issue, the CR310 does not lose data. Instead, it continues logging every measurement to its internal memory. The CR310 also includes an internal lithium battery backup rated for up to 10 years. As a result, even during power interruptions, data acquisition continues without interruption.
When connectivity is restored, all stored data is automatically transmitted to Ecostat. There is no manual intervention required. Consequently, there are no gaps in the record and no missing hours to explain in a compliance report.
For sites where continuous WBGT records are a regulatory requirement, this capability is essential rather than optional. For a full breakdown of these requirements, see our NAAQS compliance monitoring guide.
Flexible Connectivity Options for Any Site
Not every site has the same connectivity profile. Therefore, we support multiple deployment modes to match your requirements.
Option 1 — Cellular (Teltonika RUT960 router): The CR310 connects via Ethernet to a Teltonika RUT960 industrial cellular router. The RUT960 manages the cellular connection, while the CR310 pushes data to Ecostat over HTTPS. This is the standard deployment for remote sites with cellular coverage.
Option 2 — Direct wired Ethernet: At sites where GSM is not permitted, such as certain Glencore and Eastern Chrome Mines operations, the CR310 connects directly to the site’s local area network. Data is then routed to Ecostat through the site’s existing internet infrastructure, typically over a VLAN. No cellular equipment is needed.
In both cases, the CR310 accepts 16–32V DC power on its CHG+ terminal. This charges the internal battery for backup, meaning the system rides through short power interruptions without any external UPS.
Expandability Beyond Heat Stress Monitoring
Importantly, the CR310 is not limited to the QT44. Campbell Scientific designed this datalogger to handle a wide range of sensor inputs, and Ecostat takes full advantage of that flexibility.
Additional meteorological instruments can connect to the CR310 alongside the QT44. These include wind direction sensors, barometric pressure sensors, rain gauges, and other environmental monitoring equipment. All of that data flows into Ecostat through the same HTTPS connection and appears in a single unified dashboard.
As a result, a site can start with WBGT monitoring and expand to a full weather station over time. The CR310 and the Ecostat platform scale together without replacing any core infrastructure.
Why Campbell Scientific + Ecostat Works
Campbell Scientific builds excellent dataloggers. The CR310 is robust, low-power, and field-proven across thousands of deployments worldwide. However, a datalogger on its own does not give you a monitoring system. It gives you data sitting on a device in the field.
Ecostat is the platform that turns that data into something actionable: live dashboards, historical trend analysis, automated alerts, and compliance-ready reports. All of this is accessible from anywhere with a browser.
Together, the combination of Campbell Scientific hardware reliability with Ecostat’s cloud platform gives environmental monitoring professionals a system they can trust. Data is collected accurately, stored locally as insurance against connectivity loss, and delivered to the cloud automatically.
No data gaps. No manual downloads. No USB drives ferried back and forth from site.
Get in Touch
If you are responsible for heat stress monitoring, environmental compliance, or occupational health data at a mining or industrial site, we would be happy to walk you through how this integration works.
Visit ecostat.co.za/contact or get in touch with us directly to discuss your site’s specific needs.