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DL1016/DL1416 catalogue
Temperature Data Loggers DL1016/DL1416 (CMS, FDA Approved)
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Vaisala DL4000 Universal Input Data Logger for viewLinc CMS
The Vaisala DL4000 records current or voltage signals from industrial transmitters and brings pressure, flow, level, pH, moisture, gas concentration and other process measurements into viewLinc.
- Scheduled for future discontinuation; confirm availability before specifying
- Closest current substitute: Vaisala VDL200 with ANP115 analog input probe
- Available with 1, 2 or 4 analog input channels
- Supports 0–20 mA, 0–5 V DC or 0–10 V DC models
- 120,000-sample onboard memory and a 10-year battery
Vaisala DL4000 Universal Input Data Logger
Product lifecycle notice: The DL4000 is scheduled for future discontinuation. Confirm product availability before specifying it for a new project. For new analog-input monitoring systems, consider the Vaisala VDL200 with ANP115 analog input probe.
The Vaisala DL4000 records standard current or voltage signals from industrial transmitters and sensors. It allows measurements such as differential pressure, flow, fluid level, pH, electrical properties, moisture and gas concentration to be monitored alongside temperature and humidity within a Vaisala viewLinc system.
The logger is available with one, two or four channels. Separate models accept 0–20 mA, 0–5 V DC or 0–10 V DC inputs. Each channel can be scaled in engineering units so users see the actual process value rather than the raw electrical signal.
Connected to the Vaisala viewLinc Continuous Monitoring System, the DL4000 provides historical and real-time data, remote alarms and controlled reporting. It can also be used with Vaisala vLog for standalone graphing and reporting.
| At a Glance | DL4000 |
|---|---|
| Input types | 0–20 mA, 0–5 V DC or 0–10 V DC, depending on model |
| Channel configurations | 1, 2 or 4 channels |
| Input accuracy | ±0.15% of full scale at +25 °C |
| Memory | 120,000 12-bit samples |
| Power | Internal lithium battery with a specified 10-year life at intervals of one minute or longer |
Closest Substitute: VDL200 with ANP115
The closest current substitute for many DL4000 applications is the Vaisala VDL200 PoE Data Logger used with an ANP115 analog input probe. The ANP115 allows a compatible current or voltage signal to be incorporated into the current viewLinc platform.
| Consideration | DL4000 | VDL200 with ANP115 |
|---|---|---|
| Product generation | Legacy DL-series platform approaching phase-out | Current-generation viewLinc platform |
| Input purpose | Records standard current or voltage signals | ANP115 connects compatible analog signals to VDL200 |
| Channel arrangement | Dedicated 1-, 2- or 4-channel model | Configuration depends on the VDL200 probe and input arrangement |
| Network connection | RS-232 with optional USB, Ethernet, PoE or Wi-Fi interface | Native Ethernet and Power over Ethernet |
| Migration requirement | Existing configuration may remain in service | Signal range, scaling, wiring, power and viewLinc compatibility must be reviewed |
Not always a direct one-for-one replacement: A DL4000 can provide up to four dedicated analog channels. Confirm the number of signals, input ranges, transmitter power requirements and network arrangement before migrating to VDL200 and ANP115.
What Can the DL4000 Monitor?
The DL4000 does not measure the physical parameter directly. It records the standard electrical output from a compatible transmitter, then converts that signal into the required engineering range.
- Differential pressure: Cleanrooms, isolation rooms, filters and air-handling systems.
- Flow: Liquid, gas or air flow transmitters with a compatible analog output.
- Level: Tanks, vessels and storage systems.
- Gas concentration: Fixed transmitters for CO₂ or other process gases.
- Moisture and dew point: Transmitters monitoring compressed air, oils or industrial gases.
- Electrical and process values: Conductivity, pH, particles and other parameters converted to a standard analog signal.
Choosing the Correct Input Model
| DL4000 Model | Input Range | Use When the Transmitter Output Is |
|---|---|---|
| 4000-405 | 0–5 V DC | 0–5 V |
| 4000-40A | 0–10 V DC | 0–10 V |
| 4000-40C | 0–20 mA | 0–20 mA or a compatible scaled current signal |
Check before ordering: The DL4000 model is factory-configured for one input type. Confirm the transmitter output, number of channels, scaling range, engineering unit and power arrangement before selecting the model code.
How Signal Scaling Works
Each channel is configured with the transmitter’s electrical and measurement ranges. For example, a differential-pressure transmitter scaled from 0 to 100 Pa with a 0–10 V output can be displayed, alarmed and reported by viewLinc directly in pascals.
| Configuration Item | Example |
|---|---|
| Input signal | 0–10 V DC |
| Transmitter range | 0–100 Pa |
| Engineering unit | Pa |
| Displayed result | The actual differential-pressure value rather than the raw voltage |
| Alarm limits | Configured in viewLinc using the scaled engineering value |
Recording at the Measurement Point
- Network-independent recording: Measurements continue to be stored if network communication is interrupted.
- Battery-backed operation: The internal battery supports autonomous logging during a mains-power interruption.
- Gap-free records: Stored data 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.
DL4000 Recording Capacity
| Sample Interval | 1 Channel | 2 Channels | 4 Channels |
|---|---|---|---|
| 10 seconds | 13.8 days | 6.9 days | 3.4 days |
| 1 minute | 2.7 months | 1.3 months | 20.8 days |
| 5 minutes | 1.1 years | 6.9 months | 3.4 months |
| 15 minutes | 3.4 years | 1.7 years | 10.4 months |
| 1 hour | 13.6 years | 6.8 years | 3.4 years |
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 | Standalone graphing, reporting or validation 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.
Technical Specifications
| Current input | 0–20 mA; 5.5 µA resolution; 75 Ω input impedance |
| Voltage inputs | 0–5 V DC or 0–10 V DC; 0.025% full-scale resolution; input impedance greater than 1 MΩ |
| Input accuracy | ±0.15% of full scale at +25 °C |
| Operating environment | −40 to +85 °C; 0–100% RH, non-condensing |
| Memory | Non-volatile EEPROM; 120,000 12-bit samples |
| Sampling interval | User selectable from once every 10 seconds to once per day |
| Internal clock accuracy | ±1 minute/month at −25 to +70 °C |
| Dimensions | 85 × 59 × 26 mm |
| Weight | 76 g |
DL4000 or Another Vaisala Logger?
| Monitoring Requirement | Recommended Logger |
|---|---|
| One to four standard analog transmitter signals | DL4000 |
| Temperature and relative humidity | DL2000 |
| Two or four precision temperature channels | DL1000 / DL1400 Series |
| Thermocouple measurement across extreme temperatures | DL1700 |
| Current-generation PoE logging with analog inputs | VDL200 with ANP115 |
Vaisala DL4000 Supplier and System Integrator in Malaysia
Seacom Process Instruments supplies and supports the Vaisala DL4000 Universal Input Data Logger in Malaysia for pharmaceutical facilities, cleanrooms, laboratories, hospitals, warehouses, semiconductor manufacturing, utilities and other critical industrial environments. We can also assist existing DL4000 users with migration planning for the VDL200 and ANP115 platform.
Our team can assist with transmitter and input selection, signal scaling, monitoring-point planning, power and network architecture, viewLinc system integration, installation, commissioning, alarm configuration, calibration planning and GxP validation documentation.
Contact Seacom with the measured parameter, transmitter model, electrical output, engineering range, number of channels, sampling interval, network constraints and validation expectations. We can check whether a DL4000 is still appropriate or prepare a suitable VDL200 and ANP115 configuration.
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- Scheduled for future discontinuation; confirm availability before specifying
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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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- Existing HMT140 installations can continue to be supported
- Migration should be checked against the existing sensor and input type
- Contact Seacom for replacement selection and viewLinc compatibility
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- Supports FDA 21 CFR Part 11 and EU GMP Annex 11 requirements
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- Primary replacement: Vaisala RFL100 with AP10 VaiNet Access Point
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- Supports FDA 21 CFR Part 11 and EU GMP Annex 11 requirements
- Secure audit trails, access control, alarms and reports
- Ethernet, PoE, Wi-Fi, VaiNet and Modbus connectivity
- Scalable from a few monitoring points to thousands
The Vaisala DL1700 is a four-channel thermocouple data logger for continuous monitoring and validation work at extreme temperatures.
- Overall application range from −240 to +1760 °C, depending on thermocouple type
- Accepts J, K, T, E, R and S thermocouples
- Four thermocouple inputs plus an internal cold-junction reference
- Works with Vaisala viewLinc for monitoring, alarms and compliant reporting