Temperature And RH Data Logger (CMS, FDA Approved) DL2000 Temperature And RH Data Logger (CMS, FDA Approved) DL2000
Temperature And RH Data Logger (CMS, FDA Approved) DL2000

Vaisala DL2000 Temperature and Humidity Data Logger

The Vaisala DL2000 combines precision temperature and relative-humidity monitoring with optional analog or door-contact inputs for viewLinc systems.

  • Scheduled for future discontinuation; confirm availability before specifying
  • Current replacement platform: Vaisala VDL200 with suitable smart probes
  • Internal temperature and relative-humidity measurement
  • Optional current, voltage or Boolean input configurations
  • Onboard memory and a typical 10-year battery life

Vaisala DL2000 Temperature and Humidity Data Logger

Product lifecycle notice: The DL2000 is scheduled for future discontinuation. Confirm availability before specifying it for a new project. For new continuous-monitoring systems, consider the Vaisala VDL200 with suitable smart probes.

The Vaisala DL2000 combines stable internal temperature and relative-humidity measurement with autonomous data recording. Selected models also provide an analog input for another transmitter or Boolean inputs for door switches and alarm contacts.

This combination allows one logger to monitor room conditions together with parameters such as differential pressure, CO₂, level, conductivity or door status. Measurements are stored at the point of measurement, protecting the record during network or mains-power interruptions.

Connected to the Vaisala viewLinc Continuous Monitoring System, the DL2000 provides historical and real-time data, remote alarms and controlled reporting. It can also be used with Vaisala vLog for validation, graphing and reporting.

At a GlanceDL2000
Primary measurements Internal temperature and relative humidity
Optional inputs 4–20 mA, 0–5 V DC, 0–10 V DC or two Boolean contacts, depending on model
Memory 122,197 12-bit samples
Sampling interval User selectable from once every 10 seconds to once per day
Power Internal lithium battery with a typical 10-year life at +23 °C and intervals of one minute or longer

Current Replacement Platform: Vaisala VDL200

The Vaisala VDL200 is the latest-generation replacement platform for DL2000 monitoring applications. It uses interchangeable smart probes and a native Ethernet or Power over Ethernet connection to the viewLinc system.

ConsiderationLegacy DL2000Current VDL200 Platform
Product generation DL-series platform approaching phase-out Current-generation viewLinc data logger
Sensors Fixed internal temperature and humidity sensors Interchangeable Vaisala smart probes
Additional inputs Model-specific analog input or two Boolean contacts Probe and input configuration selected for the application
Network connection RS-232 with optional USB, Ethernet, PoE or Wi-Fi interface Native Ethernet and Power over Ethernet with battery backup
Migration requirement Existing systems may remain in service Probe range, input type, cabling, network and viewLinc compatibility must be checked
Replacement configuration: VDL200 is not always a direct one-for-one replacement for every DL2000 model. Confirm whether the existing logger uses only temperature and humidity or also uses an analog transmitter, door switch or alarm contact.

DL2000 Model Configurations

Legacy ModelChannelsTypical Use
2000-20R Internal temperature and relative humidity Rooms, warehouses, laboratories and chambers
2000-3CR Temperature, RH and 4–20 mA input Environmental monitoring with one current-output transmitter
2000-35R Temperature, RH and 0–5 V DC input Environmental monitoring with one 0–5 V transmitter
2000-3AR Temperature, RH and 0–10 V DC input Environmental monitoring with one 0–10 V transmitter
2000-4BR Temperature, RH and two Boolean inputs Room conditions with door switches or alarm contacts

Temperature and Humidity Performance

MeasurementSpecification
Calibrated temperature range −25 to +70 °C
Temperature operating range −35 to +85 °C
Initial temperature accuracy ±0.10 °C from +20 to +30 °C; ±0.20 °C from −25 to +70 °C
Temperature resolution 0.02 °C at +25 °C
Humidity operating range 0–100% RH, non-condensing
Initial RH accuracy ±1% RH from 10–80% RH at +20 to +30 °C; wider-range accuracy depends on humidity and temperature
Humidity resolution 0.05% RH

Optional Input Specifications

InputRangeAccuracy at +25 °C
Current 0–22 mA measurement range; configured for a 4–20 mA transmitter ±0.15% of full scale
Voltage 0–5 V DC or 0–10 V DC, depending on model ±0.15% of full scale
Boolean Open or closed dry contact Status input

The analog channel can be scaled in engineering units so viewLinc displays and alarms on the actual process value rather than the raw current or voltage signal.

Typical Applications

  • Pharmaceutical warehouses: Temperature and humidity monitoring with controlled alarms and reports.
  • Laboratories and cleanrooms: Stable environmental measurement with an optional differential-pressure input.
  • Incubators and stability chambers: Continuous monitoring and validation support.
  • Hospitals and blood banks: Environmental monitoring in storage and controlled areas.
  • Door monitoring: Selected models record door-switch or alarm-contact status together with room conditions.
  • Additional process parameters: One compatible analog transmitter can add CO₂, pressure, level or another scaled measurement.

Recording at the Measurement Point

  • Network-independent recording: Measurements continue to be stored if communication with the server is interrupted.
  • Battery-backed operation: The internal battery allows logging to continue during a mains-power failure.
  • Gap-free records: Stored measurements can be transferred to viewLinc after communication is restored.
  • Flexible recording intervals: Sampling can be selected from once every 10 seconds to once per day.
  • Controlled memory behaviour: Choose FIFO wrap mode or stop recording when memory is full.

viewLinc and System Connectivity

Connection or SoftwarePurpose
RS-232 Native local serial connection
USB Direct computer connection using the appropriate interface cable
Ethernet or PoE Network connection using the Vaisala vNet interface
Wi-Fi Wireless network connection using the compatible Vaisala interface
viewLinc Enterprise Server Continuous monitoring, remote alarms, audit trails and reports
vLog Validation, mapping, graphing and reporting workflows
OPC integration Makes compatible monitoring data available to third-party systems

The complete viewLinc system can support records and workflows designed to meet FDA 21 CFR Part 11 and EU GMP Annex 11 requirements. Compliance depends on the complete system configuration, validation and operating procedures.

General Technical Specifications

Memory Non-volatile EEPROM; 122,197 12-bit samples
Sampling interval User selectable from once every 10 seconds to once per day
Memory modes Wrap when full (FIFO) or stop when full
Internal clock accuracy ±1 minute/month at −25 to +70 °C
Dimensions 85 × 59 × 26 mm
Weight 76 g

DL2000 or Another Vaisala Logger?

Monitoring RequirementRecommended Logger
Existing DL-series temperature and RH installation DL2000, subject to lifecycle and availability review
New PoE temperature and RH monitoring system VDL200 with suitable smart probes
Long-range wireless temperature, RH or CO₂ RFL100 with AP10
Several dedicated analog transmitter signals DL4000, subject to lifecycle review
Thermocouple measurement across extreme temperatures DL1700

Vaisala DL2000 Supplier and VDL200 Migration Support in Malaysia

Seacom Process Instruments supplies and supports the Vaisala DL2000 temperature and humidity data logger in Malaysia for pharmaceutical facilities, cleanrooms, laboratories, hospitals, blood banks, warehouses, incubators and other controlled environments. We can also assist existing DL2000 users with migration planning for the VDL200 platform.

Our team can assist with model and probe selection, analog or door-contact input review, monitoring-point planning, network architecture, viewLinc integration, installation, commissioning, alarm configuration, calibration planning and GxP validation documentation.

Contact Seacom with the installed DL2000 model, measured parameters, analog or Boolean input details, device quantities, network constraints and validation expectations. We can check whether the existing configuration should be maintained or prepare a suitable VDL200 replacement.

Download

  DL1016/DL1416 Catalogue   (203.18k)

  DL1000/DL1400 Catalogue   (173.88k)

  DL1700 Catalogue   (173.88k)

  HMT140 Catalogue   (170.92k)

  DL4000 Catalogue   (160.04k)

  DL2000 Catalogue   (175.86k)

  CMS viewLinc Catalogue   (299.97k)

  DL2000 Order Form   (530.2k)

  DMP80 Catalogue   (201.7k)


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