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Vaisala Product Overview High-end data loggers for high precision monitoring

Vaisala Product Overview High-end data loggers for high precision monitoring

ViewLinc Monitoring System - Components

The Vaisala “viewLinc” monitoring system is specifically designed for use in all fields where temperature, humidity and other environmental parameters are critical. As the industry leader, Vaisala offers the highest quality data loggers that meet all common pharmaceutical standards. Vaisala data loggers are validatable, factory-calibrated, and ideally suited for critical areas such as pharmacy, biotechnology, aerospace and calibration laboratories.

High-end Vaisala data loggers are ideal for precise measurement and recording of temperature, humidity, current loops, CO2, door contacts, differential pressure and many more. You can deploy them autonomously in validation and mapping tasks or flexibly link them to the fail-safe/high-availability Vaisala viewLinc monitoring system.

Central Environmental Monitoring with Flexible Communication Capabilities

Select from wireless and wired components - with maximum flexibility in assembling your fail-safe monitoring system.

All Vaisala data loggers can be combined with each other and integrated into the central viewLinc monitoring system.

Connection types:

ViewLinc Monitoring System


Important Notes

  • For FDA/GxP regulated areas a dedicated VL series is available
  • Vaisala data loggers can be combined and integrated into the central viewLinc system
  • Vaisala data loggers come with an accredited or traceable calibration including a certificate
  • On request, Vaisala data loggers can be calibrated and delivered according to individual or ICH requirements
  • Vaisala data loggers have outstanding battery life for maximum reliability

The Vaisala viewLinc system is a high-end monitoring system with a large number of interchangeable components.
Contact us so we can configure your individual system together.

VaiNet Wireless Monitoring of Temperature and Humidity


Vaisala VaiNet is a wireless monitoring system for gap-free monitoring of humidity and temperature in warehouses and production areas as well as clean rooms and laboratories. It consists of RFL100 wireless data loggers that provide reliable signal transmission for over 100 meters to the Vaisala AccessPoint AP10. The measurements are transferred to the central viewLinc system. 

You benefit from scalable wireless technology that ensures the integrity and security of your data.

VaiNet Wireless Connection

VaiNet Wireless Data Logger RFL100

The RFL100 is a temperature and humidity data logger based on the Vaisala VaiNet wireless technology. 

  • Temperature range –40 °C up to +80 °C
  • Detachable RH and temperature probes
  • 18-month battery operating life

RFL100 product details

RFL100 data logger

VaiNet AccessPoint AP10

The VaiNet AP10 AccessPoint receives the data from the loggers in the VaiNet network. It collects signals from up to 32 wireless RFL100 data loggers and sends them to the viewLinc monitoring system.

  • Connect up to 32 VaiNet data loggers
  • Powered by Power over Ethernet (PoE) or DC adapter
  • Secure data transfer (HTTPS and encryption)
  • Chirp Spread Spectrum wireless modulation is resistant to multipath fading
  • Secure firewall and tamper-proof data backup

AP10 product details

VaiNet AccessPoint AP10

Wireless Monitoring for a Variety of Environmental Parameters


Wi-Fi enabled data loggers are available as part of the Vaisala monitoring system. These can be integrated into the environmental monitoring system via existing access points using a Wi-Fi connection. Thanks to the loggers’ autonomous operation, your data are secured twofold: In the event of a network failure, you will receive a communication alert while the data logger continues recording.
Vaisala Wi-Fi Monitoring

Vaisala HMT140 Wi-Fi temperature, humidity and analogue data loggers

The HMT140 is a validatable high-end data logger for monitoring temperature, humidity and signals such as door contacts. With its high precision and wireless function, the HMT140 is suitable for monitoring applications in cleanrooms and life science areas.

  • Temperature range –40 °C to +80 °C
  • Room sensor or with a remote probe
  • Field-replaceable humidity/temperature probe
  • Inputs for humidity/temperature, temperature, voltage, current or door contact
  • Traceable and accredited calibration including certificate
  • 18-month battery operating life

HMT140 product page

Wi-Fi data logger HTM140

High-precision Data Logger with Ethernet Connection

Vaisala data loggers are available in a variety of versions and are suitable for all applications in which reliability is an important factor. Select from various models for high and low temperatures, relative humidity, analogue signals, power, voltage and more.

Enjoy maximum flexibility in combining and assembling your viewLinc system with the added bonus of scalability.
Monitoring with Ethernet data loggers

Vaisala DL2000 - Temperature and Humidity Data Logger

Vaisala DL2000 data loggers are high-precision loggers with internal temperature and relative humidity sensors. Using Ethernet adapters, these can be easily integrated into an existing network and interfaced with the viewLinc system.

Choose between calibration points at 3 temperatures and 3 humidities or 5 temperatures and 5 humidities for ICH requirements.

  • Temperature range -35 °C to +85 °C
  • Temperature accuracy up to ±0.1 °C with a 0.02 °C resolution
  • Humidity accuracy up to ±1 %RH with a 0.05 %RH resolution
  • Accuracy of ±2 %RH and ±0.15 °C is guaranteed (!) after the first year of deployment

Vaisala DL2000 product page

Vaisala Data Logger DL2000

Vaisala DL1000/1400 - Temperature data logger with internal sensor or external probes

The Vaisala DL1000/1400 temperature data loggers are specially designed for temperature monitoring with an internal sensor or external probes.

  • Temperature range of -90 °C to +85 °C (with 3 probe types)
  • Temperature accuracy up to ±0.1 °C with a 0.02 °C resolution
  • Accuracy of ±0.15 °C guaranteed (!) after the first year of deployment

Vaisala DL1000/1400 product page

Vaisala data loggers DL1000/1400

Vaisala DL1016/1416 - Temperature data logger with four external probes

This high end, multi-application data logger can simultaneously monitor different temperature ranges in up to four chambers, from -80 °C ultra-low temperature freezers, freezer/refrigerator units to temperature controlled warehouses and incubators.

  • Temperature range of -95 °C to +70 °C
  • Temperature Accuracy: ±0.25 °C with a 0.01 °C resolution
  • Up to four external probes (3 m and 7.5 m) can be connected
  • Accuracy of ±0.35 °C guaranteed (!) after the first year of deployment

DL1016/1416 product page

Vaisala Data Logger DL1016

Data logger DL1700 - Thermocouple temperature data logger

High-end data logger to connect to thermocouples

  • Ideal for extreme temperatures from -240 °C to +1,760 °C
  • For type J, K, T, E, R and S thermocouples
  • No programming or input of complicated equations needed
  • High-precision replacement for bulky data acquisition systems

DL1700 product page

Vaisala Data Logger DL1700

Vaisala DL4000 - Data logger for current and voltage

The Vaisala DL400 data loggers are designed to monitor current loops and voltage, and are available both as single-channel and multi-channel models.

  • Measurement ranges: 0…1 V, 0…10 V, 4…20 mA
  • Single and multi-channel versions available
  • Logging of industry-standard sensors, transmitters and transducers

DL4000 product page

Vaisala Data Logger DL4000

Economical mid-range data loggers for non-critical environments

Do you use the viewLinc monitoring system and wish to integrate non-critical areas into your existing system? The Vaisala mid-range data loggers are particularly suitable for applications where cost-effectiveness and speed are important, for example in the early phase of drug and device development. 

  • Temperature range -55 °C to +50 °C
  • Temperature and humidity data logger
  • Data logger for contact switches
  • Single and multi-channel data loggers
  • Traceable calibration

Mid-Range products overview page

Mid-range data loggers


Vaisala Transmitter with Analogue Connections

You will find a large number of high-quality transmitters and sensors with current/voltage output that can operate independently or can be adapted to the Vaisala viewLinc monitoring system via the DL4000 data logger (LINK).

  • Local display
  • Corrosion resistant IP65 housing
  • External probes for humidity, temperature, dew point, air pressure, differential pressure and vaporized hydrogen peroxide (H2O2) 
  • Carbon dioxide probe (CO2

Vaisala transmitter overview page




How are Vaisala data loggers developed?

Watch this video and find out how high-accuracy Vaisala humidity, pressure and CO2 sensors are researched, developed and manufactured.