Vaisala DL4000 Universal Data Logger
[3 Models]The Vaisala DL4000 Universal Data Logger is a flexible monitoring solution designed to record and monitor a wide range of process measurements using industry-standard 0–20 mA current loop and DC voltage inputs. Ideal for pharmaceutical manufacturing, laboratories and industrial facilities, it enables reliable monitoring of pressure, flow, level, conductivity, pH, moisture and gas concentration sensors using a single platform.
Designed for both standalone and networked applications, the DL4000 integrates seamlessly with Vaisala ViewLinc for continuous environmental monitoring and vLog for validation and mapping studies. With a 10-year battery, large onboard memory and multiple connectivity options, it provides dependable data collection even during network or power interruptions.
- Universal input data logger
- Supports voltage & 4–20 mA sensors
- 10-year battery life
- Compatible with ViewLinc & vLog
Universal Sensor Compatibility
Monitor pressure, flow, level, pH, conductivity, moisture and gas concentration sensors using a single logger.
Flexible Connectivity
Connect via USB, Ethernet, WiFi or optional Power over Ethernet (vNet) to suit your facility.
Continuous Monitoring & Validation
Compatible with both ViewLinc for continuous monitoring and vLog for validation and mapping applications.
Reliable Long-Term Recording
A 10-year battery and onboard memory ensure measurements continue even during network interruptions.
The Vaisala DL4000 is designed to monitor analogue process signals across regulated and industrial environments.
Typical applications include:
- Industrial process monitoring
- Pressure monitoring
- Flow monitoring
- Tank level monitoring
- Conductivity monitoring
- pH monitoring
- Gas concentration monitoring
- Process validation & mapping
- Pharmaceutical manufacturing
The Vaisala DL4000 provides a flexible platform for monitoring virtually any analogue process sensor.
- Universal analogue input data logger
- Available with one, two or four input channels
- Supports 0–20 mA current loop inputs
- Supports 0–5 VDC and 0–10 VDC voltage inputs
- USB, Ethernet, WiFi and optional PoE connectivity
- Compatible with Vaisala ViewLinc monitoring software
- Compatible with Vaisala vLog validation software
- 10-year internal lithium battery
- Large non-volatile onboard memory
- User-selectable sampling intervals from 10 seconds to once per day
- SI traceable calibration
- Reports supporting 21 CFR Part 11 and EU Annex 11 compliance
- Compact design for easy installation
DL4000 Temperature Sensor Specifications
| Specification | Internal temperature sensor |
|---|---|
| Number of external input channels | 4 universal channels |
| Initial accuracy | ±0.10°C at +20°C to +30°C ±0.15°C at −25°C to +70°C |
| Operating range | −35°C to +85°C |
| Resolution | 0.02°C at +25°C |
| One-year accuracy | ±0.15°C at +20°C to +30°C ±0.25°C at −25°C to +70°C |
DL4000 Memory and Sampling
| Specification | Details |
|---|---|
| Memory type | Non-volatile EEPROM |
| Data capacity | 120,000 12-bit samples |
| Memory modes | User-selectable wrap mode when memory is full (FIFO), or stop when memory is full |
| Data retention | More than 20 years without power |
| Sampling interval | User-selectable in 10-second increments |
| Sampling range | Once every 10 seconds to once per day |
DL4000 General Specifications
| Specification | Details |
|---|---|
| Dimensions | 71 × 53 × 20 mm |
| Weight | 76 g |
| Operating temperature | −40°C to +85°C |
| Operating humidity | 0% to 100% RH |
| Interfaces | RS-232, USB, Ethernet, PoE and optional Wi-Fi network interface |
| Mounting | Magnetic strips and 3M Dual Lock fasteners |
| Compatible software | Vaisala vLog software and Veriteq viewLinc for continuous monitoring and alarming |
| Clock accuracy | ±1 minute per month at −25°C to +70°C |
| Electromagnetic compatibility | FCC Part 15 and CE |
| Power source | Internal lithium battery |
| Battery life | Up to 10 years at a one-minute sampling interval |
Why Choose the Vaisala DL4000?
The Vaisala DL4000 provides a versatile monitoring solution for facilities that need to record more than temperature and humidity.
By supporting standard analogue voltage and current loop outputs, it enables a wide variety of process sensors to be integrated into one monitoring platform without requiring specialist hardware.
Whether monitoring pressure, conductivity, tank levels or gas concentrations, the DL4000 combines dependable long-term data logging with flexible networking options and seamless integration into the Vaisala ViewLinc and vLog software platforms.
This makes it an ideal solution for pharmaceutical manufacturers, laboratories and industrial facilities seeking reliable, compliant process monitoring.
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