- Measurement and simulation of RTD, TC and V signals
- Up to 0.05% accuracy
- Data memory
- Automatic zero
- Ambient temperature display
- HD digital display, 5½ digits with backlight
- Integrated flashlight
 Datasheet |
| User Manual |
- 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 |
- 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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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 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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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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- 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 |
- 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 |
| 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 |
- 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
| ATEX Certificate |
| ATEX Certificate |
- 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 |
- 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 |
- 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
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Datasheet
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- 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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- Manual pressure generation of -0.85 … +25 bar [12.3 ... +360 psi]
- Accuracy: 0.025 % FS (incl. calibration certificate)
- Generation/measurement of 0 ... 24 mA and voltage supply DC 24 V
- Data logger with high measuring rate and large memory
- Intrinsically safe version
- Selectable transducer output sensitivity
- Standard 6 pin Bendix connector
- 5 step linear output 0 – 100%
- Identifies faulty components in a measurement loop
| Datenblatt |
| Bedienungsanleitung |
Signal Simulators – precise sources for temperature, current, voltage & frequency
Signal simulators emulate industrial measurands such as RTD/PRT, thermocouples, 4–20 mA, mV/V, Ω and Hz/pulse for fast verification of transmitters, indicators & I/O cards, controllers and PLCs—in the field or the lab.
Depending on the device, models are available as temperature simulators (RTD/TC), loop/mA simulators, mV/V/Ω simulators or frequency/pulse generators. Options include 24 V loop power, ramp/step functions, offset/span, CJC, 2/3/4-wire, HART 250 Ω, logging, USB/Bluetooth and rugged IP ratings.
ICS Schneider Messtechnik helps with selection, test setups, uncertainty budgets and documentation—including optional factory/DAkkS certificates.
FAQ on Signal Simulators
Answers on applications, wiring, accuracy, RTD/TC, loop tests, safety, documentation and best practices.
What are simulators used for?
For functional checks and adjustment of measurement chains without process media: commissioning, troubleshooting, loop checks, linearity and limit testing.
What’s the difference between a simulator and a calibrator?
A simulator outputs signals (source). A calibrator can also measure, often document, and may include pressure/temperature modules.
Which signals can be simulated?
| Category | Simulated | Typical use |
|---|---|---|
| Current | 0/4–20 mA (source/sink) | Transmitter / input card tests |
| Voltage | mV/V | Amplifiers, indicators |
| Resistance | Ω (RTD equivalent) | RTD inputs |
| RTD | Pt100/500/1000, Ni100… (2/3/4-wire) | Temperature transmitters |
| Thermocouple | Types K/J/T/N… with CJC | TC inputs/controllers |
| Frequency | Hz/pulse, K-factor | Flow/RPM channels |
What does source vs. sink mean for 4–20 mA?
Source supplies current into the load (card input). Sink absorbs current from an externally powered loop. Many devices allow mode switching.
How do I simulate an RTD correctly (2/3/4-wire)?
Select the wire count on the simulator, set required bridges per manual, account for lead resistance, and prefer low input test current to minimize self-heating.
How does TC simulation with cold junction compensation work?
Select the TC type, enable CJC internally or specify an external reference temperature; maintain clean, polarity-correct connections with low contact resistance.
What accuracy is realistic?
Quality simulators achieve typically ±(0.015…0.05 % of reading + counts) for mA/V. RTD/TC specs are temperature- and type-dependent and include CJC effects.
Can a simulator supply 24 V loop power?
Many units provide loop power (24 V) including a switchable 250 Ω HART resistor—ideal for standalone loop tests.
What are ramp/step functions for?
0–100–0 % sweeps or 25 % steps speed up linearity, alarm and hysteresis checks and make documentation easier.
How do I wire a mA loop correctly?
Place the current source in series with the load (input/transmitter) and, if using HART, add 250 Ω. Observe polarity and avoid ground loops.
How do I select the right simulator?
By required signal types, accuracy, load capability, loop power, functions (ramp, CJC), interfaces, IP rating and battery life.
Which safety topics matter?
Respect maximum voltage/current, avoid shorts, use properly insulated leads, and assess Ex/ATEX areas separately.
How do I document my tests?
Capture setpoints/results, as-found/as-left, tolerance verdict and traceability chain; export CSV/PDF via companion software or a higher-level calibration system.
What affects measurement uncertainty?
Device specs, drift, resolution, environment (T/RH), lead/contact resistance, CJC error and load impedance. Report as k=2.
Can I test frequency/pulse inputs?
Yes—use frequency/pulse generators; set K-factor, pulse shape, level and duty cycle to match the input card.
Do you support selection & test procedures?
Yes—We define signal/accuracy requirements, recommend devices, prepare point plans, integrate software and supply factory/DAkkS certificates.