Druck
UPS4E Hazardous Area Loop Calibrator

Druck UPS4E Handheld Electrical Loop Calibrator

The Druck UPS4E handheld electrical loop calibrator is a powerful, compact, and rugged tool used by engineers and technicians for calibrating and troubleshooting 4-20 mA loops in industrial environments. Designed for single-handed operation, the Druck UPS4E combines high precision, user-friendly controls, and advanced features into a portable device perfect for use in the field or plant.

What is the Druck UPS4E?

The Druck UPS4E is an advanced electrical loop calibrator designed for sourcing and measuring current in process control loops. It’s especially valuable for loop testing, instrument maintenance, and plant shutdown situations. With its easy-to-read backlit display and ergonomic design, this calibrator makes electrical loop testing more efficient and accurate.

Whether you’re working in a busy industrial setting or a controlled lab environment, the Druck UPS4E offers the reliability and accuracy needed for demanding calibration tasks.

Druck UPS4E Key Features (Both Models: Safe Area and Intrinsically Safe)

• 0–24 mA source and measure capability
  Suitable for full loop calibration, simulation, and troubleshooting across process control applications.
• High accuracy of ±0.01% of reading
  Ensures dependable and repeatable calibration performance for critical instrumentation tasks.
• Integrated 24 V loop power supply
  Enables independent loop testing in both source and measure modes without requiring external power.
• Simultaneous mA and % readout
  Displays current alongside percentage of span, with support for linear and flow (square root) scaling for faster analysis.
• Advanced test functions (step, ramp, span and valve check)
  Simplifies calibration workflows and supports efficient loop testing, fault finding, and valve setup.
• Voltage measurement up to 30 V DC
  Provides additional diagnostic capability for testing voltage output instruments and loop conditions.
• Built-in 250 Ω HART resistor
  Allows direct communication with HART-enabled devices without additional accessories.
• High-capacity datalogging (100,000 readings)
  Capture and store measurement data for analysis, reporting, and traceability.
• Backlit graphical display
  High-contrast screen ensures clear visibility in both bright and low-light environments.
• Compact, rugged handheld design (IP54 rated)
  Durable construction designed for field use, offering protection against dust and splashing water.
• Long battery life with standard AA batteries
  Up to 100 hours operation in measure mode, reducing downtime during field work.
• USB Type-C connectivity
  Enables quick data transfer and firmware updates via a modern interface.

Specifications (Both Models: Safe Area and Intrinsically Safe)

• Current Range: 0 to 24 mA (measure & source)
• Accuracy: ±0.01% of reading + counts
• Voltage Measurement: Up to ±30 V DC
• Loop Power: 24 V DC internal supply
• Display: Backlit graphical display with mA and % readout
• Test Functions: Step, ramp, span check, valve check
• Datalogging: 100,000 points
• HART Support: Integrated 250 Ω resistor
• Power Supply: 4 × 1.5 V AA batteries
• Battery Life: Up to 100 hours (measure mode)
• Operating Temperature: -10°C to 50°C
• Storage Temperature: -20°C to 70°C
• Ingress Protection: IP54
• Connectivity: USB Type-C
• Compliance: CE, EMC (EN 61326-1), Electrical Safety (EN 61010 series)

Why Choose the Druck UPS4E Electrical Loop Calibrator?

1. Easy Operation

The compact design and intuitive controls make the Druck UPS4E easy to operate with one hand. Clear menus, fast step-through options, and direct access to test modes improve efficiency in the field.

2. Versatile Testing Options

The Druck UPS4E provides multiple test modes: source, measure, step, span check, ramp, and valve simulation. These allow you to quickly perform linearity checks, span adjustments, and actuator valve settings.

3. Built for Industrial Use

Housed in a rugged, high-impact ABS case and with an IP54 rating, this electrical loop calibrator is built to withstand dust, splashes, and harsh working environments. It also complies with MIL-PRF-28800F CLASS 2 shock/vibration standards.

4. Highly Accurate

With 0.01% reading accuracy and a resolution of 0.001 mA, the Druck UPS4E delivers pinpoint accuracy you can rely on for calibrating sensitive instruments and systems.

5. Data Logging Capability

Need to keep track of measurements? The UPS4E can store 100,000 data points with configurable intervals. The stored data can be downloaded via USB-C for analysis and reporting.

• Loop testing during commissioning and troubleshooting
• Maintenance of transmitters and control systems
• Plant shutdown diagnostics
• Calibration of flow and pressure devices
• Valve checks for actuator performance

What comes with the Druck UPS4E?

When you purchase the Druck UPS4E, you receive:

• Druck UPS4E Electrical Loop Calibrator
  • (UPS4E Safe Area loop calibrator or UPS4E-IS Hazardous Area Loop Calibrator - select correct model via dropdown)
• Quick start and safety guide
• Alkaline batteries
• USB cable (Type C)
• Calibration certificate
• Test leads
• Optional accessories include a protective carry case and replacement USB cables

❓ Frequently Asked Questions (FAQ)

Q1: Can the Druck UPS4E power a current loop by itself?

A. Yes, it has an internal 24V loop power supply, allowing it to operate independently of external power sources.

Q2: Is it compatible with HART devices?

A. Yes, the built-in 250-ohm resistor supports HART communication.

Q3: How long do the batteries last?

A.Up to 72 hours in measure mode and up to 18 hours in source mode at 12 mA.

Q4: Can data be exported?

A.Yes, logged data can be transferred to a PC via USB-C.

Q5: Is this calibrator safe for industrial use?

A. Absolutely. It meets IP54 standards for dust and water resistance and passes shock/vibration tests for field use.

Q6: What is the difference between the standard Safe Area and the Intrinsically safe (IS) model?

A. The Safe Area model is designed for general industrial use, while the Intrinsically Safe (IS) model is specifically engineered for hazardous environments, incorporating additional certifications, enhanced protective design, and modified physical and electrical features to ensure safe operation in explosive atmospheres.

Order Your Druck UPS4E or UPS4E-IS Today

The Druck UPS4E is a trusted electrical loop calibrator used worldwide for its precision, ease of use, and durability. Whether you‘re in oil and gas, manufacturing, utilities, or process automation, this tool gives you reliable results when it matters most.

Order now and experience the accuracy and efficiency of the Druck UPS4E - your all-in-one handheld electrical loop calibrator.