Vaisala DL1016/1416 Temperature Data Loggers


  • Industry-leading precision and accuracy.
  • Real-time monitoring & alarming with viewLinc
  • Reliable validation/mapping with vLog
  • Easy connectivity to your existing network – wired or wireless
  • Validation and continuous monitoring with the same data logger
  • Superior alternative to chart recorders and hard-wired systems
  • Traceable to SI units through national metrology institutes

Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

Vaisala’s temperature data loggers are versatile and can monitor temperatures in up to four applications using just one logger. Work for ultra-low temperature freezers, freezer/refrigerators, and incubators. You can customize all reports and export them to spreadsheets and PDFs, meeting the requirements of 21 CFR Part 11 and Annex 11. Vaisala DL1016/1416 Temperature Data Logger, come with calibrations traceable to SI units through national metrology institutes. For GxP-compliant environments, choose the Vaisala DL1016/1416 Temperature Data Loggers, and for non-GxP applications, go for the Vaisala DL1016-1416 SP series.

The Vaisala DL1016/1416 Temperature Data Logger works with Vaisala software like viewLinc or vLog. You can use these programs to download, display, and analyze environmental data. With viewLinc, you get continuous 24/7 alarm alerts, remote monitoring, and complete data coverage. The vLog software is a simple solution for validation/mapping applications.

Model Numbers and Channels

  • VL-1016-22V Two external channels for validatable applications
  • VL-1416-44V Four external channels for validatable applications
  • SP-1016-22V Two external channels
  • SP-1416-44V Four external channels

Key Benefits

  • Easy to set up and use.
  • Continuous temperature monitoring records for compliance.
  • Cost-effective multi-application monitoring.


Interfaces RS-232 serial, USB, Ethernet, WiFi, PoE network interface available
PC software vLog Graphing & Reporting Software viewLinc for continuous monitoring & alarming.
OPC Server to add Vaisala recorders to any OPC-compatible monitoring system.
Internal clock Accuracy ±1 min/month 0 … +50 °C (+32 … +122 °F)
Power source Internal 10-year lithium battery (with sample interval of ≥1 min.)
EMC compliance FCC Part 15 and CE
EN 50581:2012
EN 55032:2012/AC:2013 Class B
EN 61326-1:2013
RoHS compliance 2011/65/EU
Measurement Performance
Sensor “V” Range External Probe
Calibrated measurement range -90 … +50 °C (-130 … +122 °F)
Operating range -95 … +70 °C (-139 … +158 °F)
Initial accuracy ±0.25 °C over -90 … +50 °C
(±0.45 °F over -130 … +122 °F)
One year accuracy ±0.35 °C over -90 … +50 °C
(±0.63 °F over -130 … +122 °F)
Resolution 0.01 °C at +25 °C (0.02 °F at +77 °F)
Data Logger Operating Environment
Operating temperature 0 … +50 °C (+32 … +122 °F)
Operating humidity 0 … 100 %RH non-condensing
Storage temperature -40 … +85 °C (-40 … +185 °F)
Storage humidity 0 … 100 %RH non-condensing
Mechanical Specifications
Dimensions 85 × 59 × 26 mm (3.4 × 2.3 × 1 in)
Weight 76 g (2.7 oz)
Mounting 3M Dual Lock™ fasteners
Snap-in connector locks provide secure probe connections
1016 Series 68 600 16-bit samples
1416 Series 101 375 16-bit samples
Memory type Non-volative EEPROM
Memory modes and sampling rates User-selectable rates from once every 10 seconds to once per day (with sample interval of ≥1 min.)
Recording Span: 1016-22V
Number of Channels Enabled
Sample Interval 1 2
1 minute 1.5 months 23.8 days
5 minutes 7.6 months 3.8 months
15 minutes 1.9 years 11.5 months
1 hour 7.8 years 3.9 years
Recording Span: 1416-44V
Number of Channels Enabled
Sample Interval 1 2 3 4
1 minute 2.3 months 1.1 months 23.5 days 17.6 days
5 minutes 11.3 months 5.6 months 3.7 months 2.8 months
15 minutes 2.8 years 1.4 years 11.3 months 8.5 months
1 hour 11.5 years 5.7 years 3.8 years 2.8 years
Thermistor Probes
Sensor “V” Range External Probe
Operating Temperature -95 … +70 °C (-139 … +158 °F)
Connector Color Code Blue
Probe Length 3 m (10 ft) and 7.6 m (25 ft) lengths available
Cable Construction 2 mm (0.07 in) Diameter, Teflon coated cable
Stainless Steel Sensor Tip
Diameter 3.2 mm (1/8 in)
Length 38 mm (1.5 in)
Sealed Teflon Sensor Tip
Diameter 3 mm (0.12 in)
Length 28 mm (1.1 in)
Spare Parts and Accessories
Immersion/Dry Probes
Thermistor V Range probe 25′ 235139SP
Thermistor V Range probe 10′ 235218SP
Thermistor immersion V Range probe 25′ 235140SP
Thermistor immersion V Range probe 10′ 235217SP
Temperature Probe Accessories
Thermal Damping Block
For use in refrigerators and freezers. Simulates a glycol bottle to reduce alarms generated by opening and closing a door.


Vaisala DL1016-1416 Temperature Data Loggers_DpstarGroup