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DL1016/DL1416 catalogue
Temperature Data Loggers DL1016/DL1416 (CMS, FDA Approved)
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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 Glance | DL2000 |
|---|---|
| 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.
| Consideration | Legacy DL2000 | Current 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 Model | Channels | Typical 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
| Measurement | Specification |
|---|---|
| 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
| Input | Range | Accuracy 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 Software | Purpose |
|---|---|
| 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 Requirement | Recommended 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.
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- Scheduled for future discontinuation; confirm availability before specifying
- Closest current substitute: Vaisala VDL200 with ANP115 analog input probe
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