Vaisala DL1700 Thermocouple Data Logger
The Vaisala DL1700 Thermocouple Data Logger is designed for accurate temperature monitoring in extreme environments where conventional temperature loggers cannot operate. Supporting Type J, K, T, E, R and S thermocouples, it delivers reliable temperature measurement from -240°C to +1760°C, making it ideal for thermal validation, sterilisation, ovens, liquid nitrogen applications and high-temperature process monitoring.
Compatible with both Vaisala ViewLinc for continuous monitoring and vLog for validation and mapping studies, the DL1700 provides a flexible solution for regulated industries requiring dependable data collection, traceable calibration and compliant reporting.
- Temperature range from -240°C to +1760°C
- Supports six thermocouple types
- Compatible with ViewLinc & vLog
- Ideal for extreme temperature monitoring
Extreme Temperature Monitoring
Monitor temperatures from cryogenic liquid nitrogen applications through to high-temperature industrial processes using a single logger.
Flexible Thermocouple Compatibility
Compatible with Type J, K, T, E, R and S thermocouples to support a wide range of validation and monitoring applications.
Continuous Monitoring & Validation
Use the same logger for continuous monitoring with ViewLinc or thermal validation and mapping using vLog software.
Accurate & Traceable
Supplied with calibration traceable to SI units for reliable measurements in regulated environments.
The Vaisala DL1700 is designed for monitoring extreme temperatures across regulated laboratories and industrial processes.
Typical applications include:
- Liquid nitrogen (LN₂) monitoring
- Sterilisation chamber validation
- Laboratory ovens
- High-temperature process monitoring
- Thermal validation & mapping
- Pharmaceutical manufacturing
- Biotechnology laboratories
- Industrial heat treatment
- Research & development
The Vaisala DL1700 provides reliable thermocouple measurement across an exceptionally wide temperature range.
- Compact, lightweight design for laboratory and field use
- Supports Type J, K, T, E, R and S thermocouples
- Temperature measurement from -240°C to +1760°C
- Four thermocouple inputs plus integrated cold junction reference
- Compatible with ViewLinc monitoring software
- Compatible with vLog validation software
- USB, Ethernet, WiFi and RS-232 connectivity
- Large non-volatile onboard memory
- 10-year internal lithium battery
- User-selectable sampling intervals
- SI traceable calibration
- Supports 21 CFR Part 11 and EU Annex 11 compliant reporting
DL1700 Thermocouple Temperature Specifications
| Thermocouple type | Measurement range | Mid-range accuracy | Mid-range resolution |
|---|---|---|---|
| Type K | −220°C to +1,370°C | ±1.3°C | 0.37°C |
| Type J | −130°C to +900°C | ±1.0°C | 0.29°C |
| Type T | −240°C to +350°C | ±1.2°C | 0.34°C |
DL1700 Memory and Sampling
| Specification | Details |
|---|---|
| Memory type | Non-volatile EEPROM |
| Data capacity | 135,165 12-bit samples |
| Memory modes | User-selectable wrap mode when memory is full (FIFO), or stop when memory is full |
| Data retention | More than 20 years without power |
| Sampling interval | User-selectable in 10-second increments |
| Sampling range | Once every 10 seconds to once per day |
DL1700 General Specifications
| Specification | Details |
|---|---|
| Dimensions | 85 × 59 × 26 mm |
| Weight | 60 g |
| Operating temperature | −40°C to +85°C |
| Operating humidity | 0% to 100% RH |
| Interfaces | RS-232, USB, Ethernet and optional Wi-Fi network interface |
| Mounting | Magnetic strips and 3M Dual Lock fasteners |
| Compatible software | Vaisala vLog software and Veriteq viewLinc for continuous monitoring and alarming |
| Clock accuracy | ±1 minute per month at −25°C to +70°C |
| Electromagnetic compatibility | FCC Part 15 and CE |
| Power source | Internal lithium battery |
| Battery life | Up to 10 years at a one-minute sampling interval |
Why Choose the Vaisala DL1700?
The Vaisala DL1700 is purpose-built for applications that demand accurate temperature measurement at the extremes of the temperature scale.
Unlike conventional environmental data loggers, it supports a wide range of thermocouple types and delivers dependable performance across cryogenic, ambient and high-temperature processes.
Whether validating sterilisation chambers, monitoring laboratory ovens or recording liquid nitrogen temperatures, the DL1700 combines flexible thermocouple compatibility with seamless integration into the Vaisala ViewLinc and vLog platforms.
Its traceable calibration, robust connectivity and support for regulated reporting make it an ideal solution for pharmaceutical, biotechnology and industrial environments where temperature accuracy is critical.
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Explore the Vaisala DL1700 Thermocouple Data Logger Brochure
Download the Vaisala DL1700 brochure for detailed technical specifications, thermocouple compatibility, connectivity options and application guidance.
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