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When working in industrial environments, process technicians face a constant challenge — ensuring that all instruments in a plant are calibrated accurately and functioning within specification. From temperature transmitters and pressure gauges to flow meters and electrical signal devices, the performance of these instruments directly impacts process safety, product quality, and operational efficiency.
Multifunction calibrators have become the go-to tool for process technicians because they combine multiple calibration capabilities into a single, portable device. Instead of carrying separate equipment for electrical, temperature, and pressure measurements, technicians can use one multifunction calibrator to handle them all.
In this guide, we’ll explore the top 5 multifunction calibrators for process technicians in 2025, key features to look for, and tips on selecting the right model for your needs. We’ll also include links to relevant calibration instruments and product examples to help you make an informed decision.
What Is a Multifunction Calibrator?
A multifunction calibrator is a portable instrument that can source, simulate, and measure multiple signal types. Common functions include:
Sourcing and measuring DC voltage/current
Simulating RTDs and thermocouples
Generating and reading frequency signals
Simulating and measuring pressure (with external modules)
Loop power supply for 4-20 mA transmitters
These devices are essential for process control systems in industries such as oil & gas, power generation, food & beverage, and pharmaceuticals.
Top 5 Multifunction Calibrators for Process Technicians in 2025
Below are our expert picks for 2025, based on performance, durability, and value for money.
1. Fluke 754 Documenting Process Calibrator
The Fluke 754 is a high-end model ideal for technicians who need both calibration and documentation capabilities.
Key Features:
Sources and measures mA, volts, temperature (RTDs, thermocouples), frequency, and pressure (with modules)
Integrated HART communicator for smart transmitter configuration
Documenting function for calibration procedures and results
Best For: Plants with strict documentation requirements.
2. Yokogawa CA700 Multifunction Pressure Calibrator
The CA700 is well-regarded for its exceptional accuracy in pressure calibration, with multifunction electrical capabilities.
Key Features:
High-precision pressure measurement up to 0.01% of reading
Simultaneous electrical measurement for loop checks
Compact and rugged design for field work
Best For: Technicians focusing on pressure transmitter calibration.
Explore similar products: Pressure Calibrators
3. Additel ADT227 Multifunction Process Calibrator
Additel’s ADT227 is designed for both lab and field work, offering wireless connectivity and touchscreen operation.
Key Features:
Touchscreen with intuitive interface
Wireless data transfer for calibration reports
Supports pressure modules, RTD/TC simulation, and frequency signals
Best For: Technicians who need advanced usability and data handling.
4. Beamex MC6 Advanced Field Calibrator and Communicator
The Beamex MC6 is a premium calibrator and communicator designed for multifunction precision and flexibility.
Key Features:
High accuracy electrical, temperature, and pressure calibration
Built-in field communicator supporting HART, FOUNDATION Fieldbus, and Profibus PA
Intrinsically safe models available
Best For: Complex industrial environments with diverse instrumentation.
Explore the category: Multifunction Calibrators
5. Fluke 726 Multifunction Process Calibrator
The Fluke 726 is a cost-effective choice for technicians who require accuracy without extensive documentation functions.
Key Features:
Measures and sources voltage, current, resistance, frequency, and temperature
Dual display for simultaneous input/output readings
Rugged, portable design for field calibration
Best For: Maintenance teams needing reliable calibration tools for routine checks.
Key Factors to Consider Before Buying
When selecting a multifunction calibrator, consider:
Accuracy Requirements – Higher accuracy is crucial for regulatory compliance in industries like pharmaceuticals.
Functionality – Choose a model that supports all your signal types (electrical, temperature, pressure).
Documentation Needs – Some models include automated report generation to save time.
Environmental Suitability – If working in hazardous areas, look for intrinsically safe certifications.
Expandability – Support for external pressure modules or communication protocols can future-proof your investment.
Why Multifunction Calibrators Are Essential for Process Technicians
Efficiency: Reduces the need to carry multiple tools.
Consistency: Improves calibration accuracy and reduces errors.
Compliance: Helps meet ISO, FDA, or other quality standards.
Cost-Effectiveness: One device for multiple applications saves procurement costs.
✅ With the right multifunction calibrator, process technicians can work more efficiently, maintain plant safety, and ensure compliance — all while carrying less equipment in the field.
