For monitoring temperature, humidity, and analog inputs

Vaisala's Mid-Range data loggers are designed for early phase drug and device development applications where speed and economy are critical.

Data Logger Selection Guide

Features  • Measurements are traceable to the International System of units (SI) through national metrology institutes.  • Software options include vLog for Validation/Mapping and viewLinc continuous monitoring and alarming.  • Vaisala's OPC Server software can be used to to add Vaisala mid-range data loggers to any OPC compatible monitoring system.

Key Benefits

 • Simplified Calibration   • Easy to install and configure, the MR loggers are calibrated with an abbreviated process that provides reliable accuracy in operating environments between -55 °C to +50 °C.
 • Easy Configuration   • Connectivity options include USB, wireless, and Power over Ethernet with a vNet PoE network interface. When MR loggers are used with vNet PoE device, installation takes minutes.
 • Several models to fit your applications   • Six versions of the MR Loggers are available with up to four channels of temperature-only, temperature and humidity, or a contact switch channel for door alarming.

For wide-range temperature monitoring

Vaisala's multi-application temperature data loggers monitor temperatures in up to four applications with one logger – ultra-low temperature freezers, freezer/refrigerators and incubators. A superior alternative to chart recorders and hard-wired systems. The DL-series loggers connect to Vaisala's viewLinc software to provide historical and real-time data, remote alarming, and reporting in compliance with global regulations and standards. The data loggers can also be integrated to non-Vaisala systems with our OPC server.

Features  • Measurements are traceable to SI units through national metrology institutes (NIST USA, MIKES Finland, or equivalent) or ISO/IEC 17025 accredited calibration laboratories.  • Long-life batteries and large on-board memory in each logger provide data immunity from power outages and network downtime.  • Connectivity to your existing network can be achieved multiple ways, including PoE, wired or Wi-Fi.

Key Benefits

 • Easy to set up and use   • The DL1016-1416 temperature data loggers can be used with Vaisala's continuous monitoring software viewLinc for trend and tabular data, remote alarming, and 21 CFR Part 11 compliant reports. The loggers allow fast and easy IQOQ validation. Optional on-site installation services provide smooth start-up.
 • Continuous temperature monitoring records for compliance   • With large on-board memory and batteries with a typical life-span of ten years, data recorded at the point of measurement is immune to network and power interruptions. Ideal for both networked monitoring and standalone data logging, the DL1016/1416 is a versatile solution for measuring up to four applications with a single device.
 • Cost-effective multi-application monitoring   • This 4-channel temperature logger eliminates the need to purchase and install additional hardware, allowing you to monitor different areas with a single data logger, from ultra-low temperature freezers, freezer/refrigerator units, to warehouses and incubators.

For demanding temperature monitoring & mapping

Vaisala DL1000-1400 is a high-accuracy temperature data logger. Ideal for ultra-low temperature freezers, fridges, cold rooms in regulated environments, the DL1000-1400 temperature logger provides stable, reliable measurements. With a measurement range from -90 °C to +70 °C and stable accuracy at ±0.10°C, the DL1000-1400 series can take up to four inputs for monitoring or mapping temperatures in that range. This series also offers an optional input for door monitoring. The DL-series loggers connect to Vaisala's viewLinc software to provide historical and real-time data, remote alarming, and reporting in compliance with global regulations and standards. The data loggers can also be integrated to non-Vaisala systems with our OPC server.

Data Logger Selection Guide

Features  • Select models with 1 to 4 temperature channels and two probe options to measure from -90 °C to +70°C  • viewLinc monitoring software includes password-protection, audit trail, and calibration reminders to ensure data integrity  • On-board memory and internal battery for autonomous data recording  • Recording at the point of measurement ensures data is immune to power failures and network interruptions  • Adjustable, user-selectable recording intervals (every minute, every hour, etc.) with multi-year data recording capacity  • To help you meet cGMP, ISO 9000 and HAACP quality standards, measurements are traceable to SI units through national metrology institutes (NIST USA, MIKES Finland, or equivalent), or ISO/IEC 17025 accredited calibration laboratories  • On-site calibration and rental equipment are also available in some regions  • viewLinc and vLog software allows users to create customizable, presentation-quality reports exportable to MS Excel, .CSV, .PDF  • Probe clips hold external temperature sensors secure  • Timebase calibrated over the operating temperature range and adjustable time-based recording  • Optional PoE data logger cradle (vNet) for easy network connectivity  • Vaisala's OPC Server makes the DL-series data loggers interoperable with any OPC-compatible monitoring system  • All Vaisala DL-series data loggers are backward compatible with all versions of the viewLinc monitoring software

Key Benefits

 • Long-life battery and large onboard memory   • With autonomous power and recording capacity, data is immune to network and power interruptions, ensuring that data are secure and available to provide continuous, gap-free records for compliance. DL-series batteries have a typical life-span of ten years.
 • Flexible connectivity and interoperability   • The DL-series loggers connect to Vaisala's monitoring system viewLinc through multiple connectivity options: RS-232 serial, USB, Ethernet, Wi-Fi, and PoE. The Vaisala OPC server software allows compatible non-Vaisala systems to integrate Vaisala's DL-series temperature data loggers.
 • Stable, accurate measurements   • Fully validatable and designed for regulated applications, the DL1000-1400 temperature data loggers are calibrated to ensure GxP-compliant measurement. Records are secure and formatted to help meet 21 CFR Part 11 and Annex 11 requirements. Measurements are traceable to SI units through national metrology institutes (NIST USA, MIKES Finland, or equivalent) or ISO/IEC 17025 accredited calibration laboratories.

For monitoring temperature, humidity, with optional analog input

The Vaisala DL2000 data logger uses highly calibrated temperature and humidity sensors to provide accurate and stable measurement, with an optional analog input channel for other parameters and door contacts. Along with superior accuracy, the DL2000 data loggers record and store data at the point of measurement ensuring that no data is ever lost to power or network downtime. The DL-series loggers connect to Vaisala's viewLinc software to provide historical and real-time data, remote alarming, and reporting in compliance with global regulations and standards. These temperature and humidity data loggers can also be integrated to non-Vaisala systems with our OPC server.

Data Logger Section Guide

Features  • The DL-series data loggers are used with viewLinc software for monitoring, alarming, reporting and vLog for Validation/Mapping GxP Environments.  • Measurements are traceable to SI units through national metrology institutes (NIST USA, MIKES Finland, or equivalent) or ISO/IEC 17025 accredited calibration laboratories.  • High accuracy, adjustable time-based digital recording.  • The Vaisala OPC Server software can be used to integrate Vaisala DL-series data loggers to non-Vaisala systems.

Key Benefits

 • Battery powered with large onboard memory   • With autonomous power and recording capacity, data is immune to network and power interruptions, ensuring that records are secure, not modifiable and continuous.
 • Validate & monitor with same device   • The DL-series temperature and humidity data loggers can be used as a networked device for continuous monitoring, or a standalone device for validation/mapping, eliminating the need to purchase multiple devices and calibrations.
 • Accurate, stable measurements   • With superior temperature and humidity sensor stability, you have confidence in the viewLinc system's measurements over a longer calibration interval. Trustworthy data over longer time periods provides lower total cost of ownership of the system.

For extreme temperature monitoring

The DL1700 thermocouple data loggers provide accurate temperature data acquisition, remote alarming, and continuous monitoring. The loggers are ideal for demanding environments that use extreme temperatures, from -240 °C to 1760 °C; applications such as liquid nitrogen (LN2), ovens, sterilization chambers and other extreme temperatures in laboratories and industrial environments. The loggers connect to Vaisala's viewLinc software to provide historical and real-time data, remote alarming, and reporting in compliance with global regulations and standards. The thermocouple data loggers can be integrated to non-Vaisala systems with our OPC server.

Data Logger Selection Guide

Features  • Accepts type J, K, T, E, R and S thermocouples  • No programming or complicated equations required  • Highly accurate replacement for data acquisition systems  • Traceable to SI units through national metrology institutes

Key Benefits

 • Ideal for extreme temperatures   • For use in multiple applications in temperatures ranging from -240 °C to 1760 °C.
 • Easy to use   • No programming or complicated equations required. The viewLinc software allows you to put in the type of thermocouple you are using and calculates accordingly.
 • Used with multiple thermocouple types   • Compatible with type J, K, T, E, R and S thermocouples depending on application temperature range.

For monitoring DC voltage or 0-20 mA current loop outputs

​​The DL4000 data loggers are a simple solution for recording and monitoring pressure, flow, fluid level, pH, electrical properties, moisture and gas concentrations. Ideal for use in standalone or networked data logging applications. The DL-series loggers connect to Vaisala's viewLinc software to provide historical and real-time data, remote alarming, and reporting in compliance with global regulations and standards. The data loggers can also be integrated to non-Vaisala systems with our OPC server.

Data Logger Selection Guide

Features  • Long-life battery and large onboard memory.  • Single and multi-channel models with up to four input channels.  • Easily set scaling and measurement units for recording.  • Time-based digital recording in a range of sample intervals.  • Traceable to SI units through national metrology institutes.

Key Benefits

 • Easy to set up and use   • The DL4000 data loggers can be used with Vaisala continuous monitoring system software viewLinc for monitoring and analyzing environmental data. Vaisala's OPC Server software can also be used to integrate the DL4000 data loggers with non-Vaisala systems.
 • Onboard battery and autonomous memory   • Data is recorded at the point of measurement making it immune to network and power interruptions. With typical battery life of ten years and large onboard memory, the DL4000 is a reliable solution for logging multiple parameters with a single device. Remote alarming ensures you know when thresholds are breached.
 • Flexible connectivity options   • To access the DL4000 data, connect directly via USB, or network via Ethernet, Wi-Fi, or use Vaisala's vNet interface for Power over Ethernet connectivity.

For monitoring temperature, relative humidity, current, voltage & door contacts

The Vaisala HMT140 Wi-Fi data logger is designed for humidity, temperature and analog signal monitoring in cleanrooms, warehouses, freezers, laboratories, blood banks and other life science applications. This battery-powered device simplifies installation and eliminates the need for power or network cables. Combined with viewLinc monitoring software, the HMT140 ensures continuous historical and real-time data with reliable remote alarming.

Data Logger Selection Guide

Features  • Quick and easy Wi-Fi connectivity to viewLinc monitoring software  • Connectivity provided through your existing Wi-Fi network  • Autonomous operation and local alarms ensure alerting capability regardless of network connectivity  • Local data storage provides continuous fail-safe operation - even during power or network outage  • Two inputs for voltage, current, contact, RTDs or temperature & RH  • Accurate and reliable multi-signal measurements from industry best sensors  • IP65 (NEMA 4) rated housing is resistant to dust and chemicals  • Traceable to SI units through national metrology institutes  • ~ 18-month battery life  • Optional LCD display

Key Benefits

 • Easy to install and relocate   • Wireless communication utilizes existing Wi-Fi network and is ideal for facilities without available wired infrastructure and for applications in which measurement points move regularly.
 • Internal Data Storage   • Onboard memory stores data during a power outage or network downtime so no data is ever lost ensuring gap-free records. The logger’s history is always transmitted to the viewLinc monitoring system once communication is restored.
 • Interchangeable temperature/RH probes for easy field calibration   • The HMP110 digital humidity and temperature probe is field replaceable and contains all calibration details. Monitoring system viewLinc's event log will record any sensor swap-outs, ensuring your audit trail is complete and compliant.

For wireless monitoring of controlled areas

The RFL100 data loggers use Vaisala’s proprietary VaiNet wireless technology to monitor environments ranging from warehouses, to production areas, to cleanrooms and laboratories. VaiNet wireless technology is based on the LoRa® modulation technique to provide a robust wireless signal that is extremely reliable over long distances and in complex, obstructed conditions. This wireless technology allows each data logger’s signal to travel over 100 m without the aid of signal amplifiers or repeaters. The RFL data loggers combine with viewLinc Enterprise Server software, version 5.0 and later. RFL wireless data loggers connect to the VaiNet network using the Vaisala Access Point AP10. The data loggers are ideal for monitoring, alarming and reporting temperature and humidity in controlled environments. The RFL100 is also available as a temperature only data logger.

Features  • Reliable temperature and relative humidity measurement precision  • Dedicated mounting bracket with temporary and permanent mounting methods (including optional magnets)  • Each data logger uses standard alkaline batteries, typical battery life of 18 months, no need for costly battery replacements between recommended calibrations  • Measurements are traceable to SI units through national metrology institutes (NIST USA, MIKES Finland, or equivalent) or ISO/IEC 17025 accredited calibration laboratories  • Cost-effective alternative to chart recorders  • Replaceable high-accuracy RH and temperature probes  • Probe replacement service available in some regions

Key Benefits

 • Data integrity   • The RFL temperature and humidity data loggers can record up to 30 days of measurements to the logger's internal memory. If there is any break in signal transmission, data recorded at the point of measurement is automatically transmitted when communications are restored. Data logger memory can also be downloaded directly using a USB cable.
 • Detachable probe for quick calibration   • Probes are easily swapped on RFL data loggers to maintain accurate records and reliable data. The probes use Vaisala HUMICAP® Humidity and Platinum RTD sensors provide superior stability.
 • Easy to use   • Measurements are stored once every 60 seconds and the detailed custom LCD provides information about current conditions, battery life, alarm and signal status at a glance.