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 multi-application temperature data loggers monitor temperatures in up to four applications with one logger – ultra-low temperature freezers, freezer/refrigerators, and incubators. All reports are customizable and can be exported to spreadsheets and PDF to provide records that meet the requirements of 21 CFR Part 11 and Annex 11. DL1016-1416 data loggers include calibrations traceable to SI units through national metrology institutes.4) Choose the DL1016-1416 VL series data logger for GxP-compliant environments and the DL1016-1416 SP series for non-GxP applications.

DL1016-1416 data loggers can be used with Vaisala software, either viewLinc or vLog, to download, display, and analyze environmental data. The viewLinc monitoring system provides 24/7 multi-stage alarm notification, remote, real-time monitoring and gap-free data. 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


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