Process calibrator METRACAL CM PRO

voltagemultifunctioncurrent

Product description
High-precision multimeter and process calibrator for measurement and simulation of electrical quantities. The METRACAL CM series sets the standard for mobile calibration technology. As multifunctional process calibrators, they combine top measurement accuracy with intuitive operation and modern communications. Dual‑mode operation, programmable sequences, an integrated data logger and Bluetooth® connectivity enable documented and efficient calibration processes in laboratories, production and field service.

Short description METRACAL CM PRO
The METRACAL CM PRO is the universal model of the series — a high‑precision handheld calibrator with integrated 24 V loop‑power supply. It combines measurement and simulation functions in a compact device and covers all common signal types used in process and laboratory instrumentation. Rugged design, hot‑swap battery and IP52 protection make it suitable for daily industrial use.

Product highlights

• Dual mode for simultaneous simulation and measurement
• Integrated 24 V loop‑power for 4‑20 mA loops
• High‑resolution color display with automatic brightness control
• Data logger with real‑time clock and automatic value storage
• Compact, robust design with hot‑swap battery and IP52 protection

Your benefits

• Measures and simulates all common electrical signals in one instrument
• Saves time and equipment by providing integrated 24 V supply for current loops
• Delivers precise and stable readings for reliable adjustments and calibrations
• Easy operation through clear menus and graphical displays
• High operational reliability in the field thanks to rugged housing and upgradeable functions

Applications

• Calibration and testing of process transmitters and display units
• Maintenance and troubleshooting of 4‑20 mA signal paths and converters
• Laboratory, workshop and service use in process and power engineering
• Reference measurements during commissioning and routine inspections

Technical features

• Dual mode: simultaneous simulation and measurement
• Voltage and current measurement plus current, voltage and resistance simulation
• RTD and TC measurement (Pt100 … Pt1000, Ni100 … Ni1000)
• Frequency and pulse generator (1 Hz – 50 kHz / 6 – 3000 CPM)
• 2‑, 3‑ and 4‑wire resistance measurement
• 0.015% basic accuracy on VDC
• Integrated data logger with real‑time clock and automatic value storage
• Rugged construction with hot‑swap lithium‑polymer battery and IP52 protection

Special features

• Quality "Made in Germany"
• 3‑year warranty
• DAkkS calibration certificate included

Scope of delivery

• 1x handheld calibrator METRACAL CM
• 1x cable set KS25‑4
• 1x lithium‑polymer hot‑swap battery with micro‑USB charging socket
• 1x mains adapter USB Power Delivery (1 x USB‑C & 1 x USB‑A), 65 W with interchangeable mains plugs for EU/UK/US/Asia
• 1x USB cable (USB‑A to USB‑B), 1 m
• 1x quick start guide (German/English)
• 1x DAkkS calibration certificate
• 1x hard case to accommodate the device and accessories

Documentation / Downloads

• Datasheet (PDF, approx. 2.2 MB)

Software / optional accessories

• Sequence functions Expert METRAHIT IM (option / software)
• Driver Control (virtual COM interface for measurement and test instruments)

Specifications / Technical data

• Item number: M275P
• Basic accuracy VDC: 0.015 %
• Frequency range: 1 Hz – 50 kHz
• Pulse generator: 6 – 3000 CPM
• Supported RTD/TC: Pt100 … Pt1000, Ni100 … Ni1000
• Resistance measurement: 2‑, 3‑ and 4‑wire
• Integrated 24 V loop‑power for 4‑20 mA loops
• Data logger with real‑time clock
• Hot‑swap lithium‑polymer battery, micro‑USB charging socket
• Ingress protection / housing: IP52, rugged design
• Warranty: 3 years
• Calibration: DAkkS calibration certificate included