viewLinc Continuous Monitoring System

Vaisala’s continuous monitoring system is a total solution — with temperature and humidity data loggers, viewLinc 5.0 software, services and IQOQ validation. The system provides a user-friendly interface and accurate data loggers to measure temperature, humidity, differential pressure, CO2 and other parameters. Designed for regulated and critical environments, the system can be customized for enterprise-wide environmental monitoring.

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Vaisala viewLinc Continuous Monitoring System Demo


Customer Reviews:
“After years of working with the system, generating the kind of reports that make auditors happy, we’ve found Vaisala’s viewLinc monitoring system to be bullet-proof.”
Timothy Phelps, Facilities Engineering Manager - Specialty Distribution
“[The] system is easily scalable without extra costs, increases our efficiency with its remote reading abilities and ease of use, and the measurements are very accurate.”
- Mats Andersson, Project Manager, AstraZeneca

The Vaisala Continuous Monitoring System provides:

  • viewLinc 5.0 software for real-time monitoring and alarming of temperature, humidity and other parameters
  • Alerts sent via PC display, SMS text, local alarms, or email
  • Automated historical and alarm reports are saved to viewLinc's secure server and sent by email
  • Data loggers connect easily -- wired, PoE, Wi-Fi, or VaiNet long-range wireless
  • Scalable from one to thousands of sensing devices
  • Reliable, redundant recording runs parallel to control systems for simplified validation
  • Optional on-site calibration services ensure accurate temperature and humidity records

Ideal for monitoring temperature, humidity and more in:

Learn more about viewLinc monitoring, alarming and reporting software.

For wireless monitoring we offer VaiNet long-range wireless technology.

Use the Device Selector Guide

Review our repository of articles, eBooks, white papers, and application notes on environmental management of GxP and regulated applications.

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viewLinc Software
The Vaisala continuous monitoring system features the viewLinc Enterprise Server software and monitoring devices; temperature and humidity data loggers. The system provides alarming, real-time trends, and configurable reporting. Ideal for both light and heavy industrial environments, as well as GxP-regulated applications, the system integrates a wide selection of data loggers, transmitters and connectivity options to monitor several parameters: temperature, relative humidity, dew point temperature, CO2, differential pressure, door switches, and more. The viewLinc software is backward compatible and able to access data created with older versions. All Vaisala DL-series data loggers are backward compatible with all versions of the viewLinc monitoring software.
Data Loggers
Monitoring system data loggers include several probe and mounting options with flexible wired or wireless connectivity; Wi-Fi, Ethernet and PoE. Measurements are traceable to SI units through national metrology institutes or ISO/IEC 17025 accredited calibration laboratories. Temperature measurements range from -196 °C to +1000 °C; humidity measurements to 100%RH. Dew point measurements range from vacuum to 100 bars; ambient to -80 °C dew point. CO2 measurement from 0 to 20% for demand-controlled ventilation and safety applications. There are intrinsically safe devices for hazardous/explosive areas. For non-Vaisala environmental monitoring systems and Building Automation systems, Vaisala's OPC Server software can integrate the Vaisala temperature, humidity, and universal input data loggers.
Services and Documentation
Vaisala’s team of engineers, metrologists and technical support experts are committed to ensuring that your continuous monitoring system functions flawlessly for many years. The system comes with a full suite of service options; from calibration services — onsite or in one of our accredited calibration laboratories — to installation, validation services, and support plans. We offer comprehensive documents, including IQOQ protocols and a GAMP-based GxP documentation package.

Key Benefits

Compliant w​ith major regulatory regimes
The heart of the Vaisala viewLinc monitoring system is the viewLinc 5.0 software that ensures data integrity with an audit trail, access controls, encryption, and authority levels that fulfill regulatory requirements. Compliance is simplified with validatable software, mapping/qualification capabilities, encrypted data and audit trail, optional IQOQ protocols and GxP documentation, ICH-compliant calibration options. The viewLinc software reports on historical temperature, humidity, or other measurement data comply with GxP guidelines and standards, FDA 21 CFR Part 11, EU Annex 11, ICH​​, etc.
Industry-best sensors, proven performance
Choose from a wide selection of temperature data loggers, transmitters and probes. With or without humidity. Combine a wide range of sensors with viewLinc software for high quality measurements in an easily readable format. Other options include wall, duct, and remote probe mounting capabilities. Temperature measurements range from -196 °C … + 1000 °C and humidity measurements from extreme dry conditions up to 100%RH. Measurements are traceable to SI units through national metrology institutes.
Operates independently, scales easily
For quick, simple validation, viewLinc 5.0 software operates independently of other control and monitoring systems, but the high quality data can be connected via API or OPC to other systems. Scale up easily—from one or two data loggers to thousands. With eight language versions, viewLinc is ideal for multi-site use and global monitoring. The system can manage multiple time zones and report in the local time.
Fully configurable
With a variety of alarm notification options and reports, the system is fully configurable to meet your needs. Data is logged continuously and autonomously at the point of measurement ensuring that temperature, humidity and other historical data are never lost to power or network downtime. Devices are easy to connect to the viewLinc software via Ethernet, PoE, Wi-Fi or Vaisala's proprietary long-range wireless technology: VaiNet.
Fully supported
Service options include full life-cycle support, including installation, validation, and calibration -- either on-site, or in our accredited calibration laboratories. Select a maintenance agreement that maximizes your system’s availability, lifespan, and performance. Support includes 24/7 access to multiple options: eLearning, user guides, online, and phone.
Designed for usability and compliance
viewLinc's software interface has been optimized for ease of installation and use. Reporting options include pre-configured reports that are easy to customize and can be delivered automatically or on user-selected schedules. The system makes audits and inspections easy with reliable environmental monitoring data.


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