- Measure or source 0 to 24 mA
- Accuracy: 0.01 % of reading +1 digit
- Dual display of mA and %, linear or flow-based
- Test modes: Step, Span, Valve test, Ramp
- 30 V DC measurement and continuity check
- Stores up to 100,000 readings
- Integrated 250-ohm resistor for HART protocol support
- 24 V DC loop supply in both measure and source modes
- Auto power-off to extend battery life
 Datasheet |
| Flyer |
- Multi-function capabilities: electrical, frequency, temperature, and pressure
- Optional HART and Foundation Fieldbus communicators
- ATEX, IECEx, and ETL approved for use in hazardous areas
- Modular, reconfigurable, and expandable design
- Individual components can also be used as stand-alone instruments
- Enables significant reduction in equipment inventory
- Simplifies training and enhances operator safety
- Reduces cost of ownership
- Includes a free license for 4Sight2 Lite calibration software
- *Bluetooth connectivity for wireless communication
 Datasheet |
| User Manual |
| ATEX Certifikate |
- Pressure ranges from 25 mbar to 700 bar (10 inH₂O to 10,000 psi)
- Single or dual-range sensor configuration
- mA measurement, switch test, and 24 V loop power supply
- Large backlit display with intuitive, menu-driven interface
- Integrated HART® resistor for digital communication
- Robust and weatherproof design
- Compact, user-friendly, and easily portable
- Convenient one-handed operation with secure grip and impact-resistant elastomer protection
- Plug-and-play compatibility with universal pressure modules (IUPM/IUPMP), accuracy up to 0.05% FS (total) or 0.01% FS (precision)
- Programmable leak test for automatic leak rate detection
- Advanced functions including hold, min/max/average values, alarm, and tare for efficient troubleshooting
| Datasheet |
| User Manual |
- Pressure ranges from 25 mbar to 700 bar (10 inH₂O to 10,000 psi)
- Single or dual-range configuration available
- Simultaneous measurement of pressure and mA for calibration and maintenance of transmitters and control loops
- 24 V loop power supply for energizing transmitters and control loops
- Automatic switch test for rapid and accurate detection of switching points
- Integrated, selectable HART® resistor (250 Ω) for easy communication with HART devices
- Large backlit display with intuitive, menu-driven operation
- Robust and weatherproof housing designed for demanding conditions
- Compact, user-friendly, and easily portable
- One-handed operation with secure grip and impact-resistant elastomer protection
- Plug-and-play compatibility with universal pressure modules (IUPM/IUPMP), accuracy up to 0.05% FS total or 0.01% FS precision
- Programmable leak test for automatic measurement of pressure drop and leak rate
- Advanced features: hold, min/max/average values, alarm, and tare for efficient troubleshooting
| Datasheet |
| User Manual |
- Sources and measures mA, mV, V, ohms, frequency, and pulses
- Simulates and measures 8 RTD and 12 thermocouple types
- 32 available pressure modules from 25 mbar to 700 bar (10 inH₂O to 10,000 psi)
- Simultaneous dual-reading capability
- Automatic switch test and pressure leak test
- Data storage for 1000 measurement points with real-time clock
- 24 V loop power supply
- Integrated HART® loop resistor
- Large backlit display
- Robust and weatherproof
- Compact, user-friendly, and easily portable
- Convenient one-handed operation
- Plug-and-play connection for universal IDOS pressure modules
| Datasheet |
| Measuring counts | |
| TRMS | |
| AC/DC voltage | 1000V anche AC+DC |
| AC/DC current | 1A anche AC+DC |
| Resistance and buzzer continuity | |
| Diode test | |
| Frequency | |
| DC 4-20mA current measurement | |
| DC 0-10V voltage measurement | |
| DC 4-20mA current generation | |
| Measurement of output current of transducers | |
| Simulation of an external transducer | |
| Loop supply with minimum voltage 24V | |
| Generation of selectable ramp | |
| Load of 250Ω for testing HART transducers | |
| Backlit LCD display | |
| Autorange | |
| Auto Power OFF | |
| Data HOLD | |
| MIN/MAX function | |
| AVG function | |
| Relative measurement | |
| Protection category | CAT IV |
| Weight in grams (batteries included) | |
| Size (LxWxH) (mm) |
 Datasheet
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| Measuring counts | |
| TRMS | |
| AC/DC voltage | MAX 10VDC |
| AC/DC current | MAX 24mADC |
| DC 4-20mA current measurement | |
| DC 0-10V voltage measurement | |
| DC 4-20mA current generation | |
| DC 0-10V voltage generation | |
| Measurement of output current of transducers | |
| Simulation of an external transducer | |
| Loop supply with minimum voltage 24V | |
| Generation of selectable ramp | |
| Backlit LCD display | |
| Auto power off | |
| Protection category | |
| Weight in grams (batteries included) | |
| Size (LxWxH) (mm) |
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Datasheet
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- Current Calibrator 0/4 - 22mA, Source/Sink
- Voltage Calibrator 0-14V
- mV Ranges 0-28mV and 0-560 mV
- DIN Thermocouples J, K, N, R, S, T, B, E
- Multimeter ±2V to ±200V DC and ±100mA
- Simultaneous Calibration and Measurement
- Steps, Ramps, direct entry
- Built-in rechargeable Battery
| Datasheet |
- Current Output 0-22mA, Source/Sink
- Voltage Output 0-25V
- mV Outputs 0-27mV and 0-540 mV
- DIN Thermocouples J, K, N, R, S, T, B, E
- RTD Simulator -200 … 850ºC
- Resistance Range up to 3kOhm
- Multimeter ±2V to ±200V DC and ±100mA
- Measurements of fast Transients
- Datalogger Function (Option)
- 8 Tables with each 50 free Output Points
| Datasheet |
- Measuring and Sourcing loop current, mV, and V
- Measuring and sourcing simultaneously
- Loop integrity check capability
- 24V loop supply with simultaneous current measurement
- Three year warranty
- ISO 17025-accredited calibration w/data included
| Datasheet |
- Accuracy to 0.01% of reading
- Measure, source, or simulate loop current
- Measure DC volts
- Simultaneously mA and % span display
- Switch functionality
- Selectable ramp and step functions
- HART 250Ω resistor in series with 24V loop
- ISO 17025-accredited calibration w/data included
| Datasheet |
| User Manual |
- Sourcing, simulating and measuring, temperature and electrical signals
- Smartphone-like menu and interface make the operation simpler and easier
- The internal cold junction compensation sensor can be re-calibrated at ice point by users
- Ultra-compact, 3.9” x 7.6” x 2.0”, and 1.6 lb (0.7 kg)
- ISO 17025-accredited calibration w/data included
| Datasheet |
- Sourcing, simulating and measuring pressure, temperature and electrical signals
- Smartphone-like menu and interface make the operation simpler and easier
- The internal cold junction compensation sensor can be re-calibrated at ice point by users
- Ultra-compact, 3.9” x 7.6” x 2.0”, and 1.6 lb (0.7 kg)
- ISO 17025-accredited calibration w/data included
| Datasheet |
- Sourcing, simulating and measuring pressure, temperature and electrical signals
- Built-in Barometer
- Intrinsically safe models available (Ex)
- Large Smartphone like touchscreen user experience
- USB Type-C and Bluetooth communications
- IP67 Rated
- High Voltage Measurement Capability (±300V AC)
- True RMS Voltage Meter Capability
- Dual channel pressure module ports
- High Static Differential Pressure Measurement 0.002% FS
- ISO 17025-accredited calibration w/data included
| Datasheet |
| External Pressure Modules |
- Sourcing, simulating and measuring pressure, temperature and electrical signals
- Built-in Barometer
- Intrinsically safe models available (Ex)
- Large Smartphone like touchscreen user experience
- USB Type-C and Bluetooth communications
- IP67 Rated
- High Voltage Measurement Capability (±300V AC)
- True RMS Voltage Meter Capability
- Dual channel pressure module ports
- High Static Differential Pressure Measurement 0.002% FS
- ISO 17025-accredited calibration w/data included
| Datasheet |
| External Pressure Modules |
| ATEX Certificate |
- Sourcing, simulating and measuring pressure, temperature and electrical signals
- Built-in Full Hart Communicator (ADT227-HART)
- Built-in Barometer
- Intrinsically safe models available (Ex)
- Large Smartphone Like Touchscreen User Experience
- USB Type-C and Bluetooth communications
- IP67 Rated
- High Voltage Measurement Capability (±300V AC)
- True RMS Voltage Meter Capability
- Dual channel pressure module ports
- High Static Differential Pressure Measurement 0.002% FS
- ISO 17025-accredited calibration w/data included
| Datasheet |
| External Pressure Modules |
- Sourcing, simulating and measuring pressure, temperature and electrical signals
- Built-in Full Hart Communicator (ADT227-HART)
- Built-in Barometer
- Intrinsically safe models available (Ex)
- Large Smartphone Like Touchscreen User Experience
- USB Type-C and Bluetooth communications
- IP67 Rated
- High Voltage Measurement Capability (±300V AC)
- True RMS Voltage Meter Capability
- Dual channel pressure module ports
- High Static Differential Pressure Measurement 0.002% FS
- ISO 17025-accredited calibration w/data included
| Datasheet |
| External Pressure Modules |
| ATEX Certificate |
- Measurement and simulation of the following parameters: pressure, electrical signals (mA, mV, V, Ω), temperature (TC, RTD), frequency and pulse
- Large colour touchscreen display with new intuitive and user-friendly interface
- Internal pressure/vacuum generation
- Option: intrinsically safe version, II 2G Ex ib IIC T4 Gb - Tamb: -10 ... +50 °C
- Option: integrated HART® module for communication with HART® instruments
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Datasheet
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User Manual
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User Manual
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User Manual
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Compact and simple to use, the C.A 1623 calibrator is capable of measuring and simulating up to 7 different probes as well as a resistance. When used as a battery-powered stand-alone instrument, it offers a long battery life in the field. When connected to the mains, it can be used continuously without any time limit!
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Datasheet
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The compact, simple-to-use C.A 1621 thermocouple temperature calibrator is capable of measuring and simulating up to 8 types of thermocouples, as well as a voltage in mV. When used as a battery-powered stand-alone instrument, it offers a long battery life in the field. When connected to the mains, it can be used continuously without any time limit!
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Datasheet
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Compact and simple to use, the C.A 1631 calibrator is equipped with a wide screen for comfortable reading.. The C.A 1631 can be used to measure and supply a DC current loop from 0 to 24 mA with 0.015% accuracy and a DC voltage between 0 and 20 V with an accuracy of +/- 0.02 %. When used as a battery-powered stand-alone instrument, it offers a long battery life in the field. When connected to the mains, it can be used continuously without any time limit!
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Datasheet
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Process Calibrators – loop, temperature, pressure & field comms under control
Process calibrators are multi-function instruments to measure, source and simulate 4–20 mA, mV/V, Ω, RTD/TC, Hz/pulse and—depending on model—pressure (via modules) and field protocols (HART, sometimes Modbus, Profibus PA). They shorten downtime and streamline loop checks, commissioning and periodic verification in maintenance, QA and calibration labs.
Key capabilities (model-dependent): source/measure (SINK/SOURCE), 24 V loop power, ramp/step, automated procedures, documentation (as-found/as-left), communicator (HART DD/DDL), integrated pressure or pressure modules, USB/Bluetooth, IP protection and long battery life.
ICS Schneider Messtechnik advises on instrument selection, workflows, pressure modules, uncertainty budgets and software integration—including factory/DAkkS certificates.
FAQ on Process Calibrators
Answers on functions, accuracy, HART, pressure modules, loop tests, documentation, safety and best practices.
Which signals do process calibrators cover?
| Category | Measure | Source/Simulate | Typical use |
|---|---|---|---|
| Current | 0/4–20 mA | 0/4–20 mA, step/ramp | Transmitters, loop checks |
| Voltage | mV/V | mV/V | Indicators, I/O cards |
| Resistance | Ω | Ω (potentiometer) | Input cards, sensor sim |
| RTD | Pt100/500/1000… | RTD simulation (2/3/4-wire) | Temp transmitters |
| Thermocouple | Types K/J/T/N… | TC simulation (CJC) | TC chains |
| Frequency | Hz/pulse | Hz/pulse (K-factor) | Flow/RPM inputs |
| Pressure | integrated/module | – | Pressure TX/switches |
What’s the difference between SOURCE, MEASURE and LOOP?
SOURCE = output a signal; MEASURE = read a signal; LOOP = provide 24 V loop power while measuring/controlling current—ideal for loop-powered transmitters.
What accuracy is realistic?
Quality units achieve for 4–20 mA typically ±(0.015…0.05 % of rdg + counts). Temperature/TC simulation specs are range-dependent and include CJC effects.
Why use automatic ramps/steps?
Defined 0–100–0 % sweeps or 25 % steps speed up linearity and limit tests while keeping hands free for adjustments.
Do the instruments support HART?
Many models include a HART communicator (DD/DDL): set tag/range, damping, run diagnostics, loop test, burst, trim—often with a switchable 250 Ω resistor.
How do I calibrate a 4–20 mA transmitter?
- Set the calibrator to LOOP (24 V) + mA measurement.
- Simulate the input (e.g., RTD/TC/mV).
- Adjust zero/span on the transmitter and document as-found/as-left.
What should I consider for RTD simulation?
Wire correctly for 2/3/4-wire; compensate lead resistance; consider the input’s test current (self-heating).
How do I simulate thermocouples correctly?
Select the proper TC type and enable CJC (internal) or specify an external reference; maintain clean, polarity-correct connections.
Can I check pressure transmitters with a process calibrator?
Yes—using pressure modules or built-in sensors (to measure pressure) and simultaneously source mA/Hz for characterization; add pneumatic or hydraulic hand pumps for generation.
What are frequency/pulse outputs useful for?
Simulating flow pick-offs (K-factor) or RPM—handy for counter/PLC input tests.
How do I document in a compliant way?
Use a documenting calibrator and/or calibration software: capture as-found/as-left, test points, tolerance verdict, traceability chain, and export CSV/PDF with optional e-signature/audit trail.
Which interfaces are common?
USB, sometimes Bluetooth or LAN. Drivers/SCPI/protocols vary by model; companion apps/PC software handle job lists and reports.
How do I select the right pressure modules?
By range (mbar…bar), accuracy, medium (gas/liquid), overload, thread and temperature rating. For differential use, consider dual-port manifolds.
What power do I need for loop tests?
Many calibrators supply 24 V with an integrated, switchable 250 Ω HART resistor. Alternatively use an external PSU plus the calibrator in MEASURE mode.
How do I plan an uncertainty budget?
Combine calibrator accuracy, resolution, drift, environment (T/RH), lead/contact errors and any module uncertainty; report expanded with k=2.
What robustness/IP rating makes sense?
For field work choose IP54–IP65, rubberised housing, shock protection, bright display and glove-friendly keys. For labs, prioritize fine resolution and stability.
Common pitfalls—how to avoid them?
- Wrong mode (mA MEASURE vs. SOURCE).
- Missing CJC on TC tests.
- Incorrect wire count on RTD.
- No 250 Ω in the HART loop.
- Loose terminals causing lead/contact errors.
How often should a process calibrator be recalibrated?
Typically annually; shorten intervals for critical QA or heavy use. After repair/shock, perform an interim verification.
Do you support selection & integration?
Yes—we recommend devices/modules, define procedures, connect software to CMMS/QMS and supply factory/DAkkS certificates.