The Additel ADT 783-1K Pressure Controller is a high-performance automated pneumatic pressure controller designed for professional calibration laboratories, production testing and automated pressure measurement applications. Combining fast pressure control, interchangeable reference pressure modules and advanced automation capabilities, the ADT 783-1K provides an efficient solution for pressure calibration from vacuum up to 1,000 psi / 70 bar.
The maximum pressure control range extends from:
-14.35 to 1,000 psi
or approximately:
-0.99 to 70 bar
The ADT 783-1K is primarily designed for:
Gauge Pressure
and can optionally support switching between:
Gauge and Absolute Pressure
when the appropriate barometric reference pressure module is installed.
Depending on the selected ADT151 pressure module, several measurement performance classes are available. Current configurations provide pressure accuracy specifications of:
0.02 % FS
0.01 % FS
or:
0.01 % RD
depending on the selected pressure module.
Pressure control stability is specified as:
<0.003 % FS
with typical performance of:
0.001 % FS
The ADT 783-1K also provides exceptionally fast pressure control, with a specified response time of:
<10 seconds
under the manufacturer’s defined test conditions.
Two interchangeable internal ADT151 pressure module bays allow the controller to cover multiple pressure ranges with one instrument. Automatic or fixed range switching can be selected according to the calibration task.
For professional calibration and metrological traceability of pressure controllers, reference modules and pressure measuring instruments, visit the europascal calibration service.
Your Benefits at a Glance
The Additel ADT 783-1K Pressure Controller provides:
- Automated pneumatic pressure control
- Pressure range from vacuum to 1,000 psi
- Pressure range from approximately -0.99 to 70 bar
- Gauge pressure control
- Optional gauge/absolute pressure switching
- Accuracy options down to 0.01 % FS
- High-precision configurations down to 0.01 % of reading
- Control stability <0.003 % FS
- Typical control stability of 0.001 % FS
- Pressure response time <10 seconds
- Two interchangeable internal ADT151 pressure module bays
- Automatic or fixed pressure range switching
- Maximum high-to-low range ratio of 20:1
- Fast, Standard and Custom control modes
- Maximum overshoot <1 % FS
- Maximum external load volume of 1,000 ml
- External clean, dry air or nitrogen supply
- Optional Contamination Prevention System
- 7-inch color touchscreen
- Automated calibration functions
- Data logging
- Remote communication interfaces
- Suitable for laboratory, production and automated calibration systems
Pneumatic Pressure Control up to 70 bar
The Additel ADT 783-1K provides automated pneumatic pressure control over a range extending from approximately:
-0.99 to 70 bar
or:
-14.35 to 1,000 psi
This makes the controller suitable for a broad range of industrial and laboratory pressure calibration applications.
Unlike a portable pressure calibrator with an integrated pressure-generation pump, the ADT 783-1K is designed as a laboratory pressure controller and uses an:
external pneumatic pressure supply
The pressure medium should be clean, dry:
air or nitrogen
For optimum pressure control, the supply pressure should be appropriately matched to the maximum range of the installed internal control module.
External Pressure Supply
The ADT 783-1K requires an external gas supply for positive pressure generation.
The manufacturer specifies a maximum supply pressure of:
80 bar
for the ADT 783-1K configuration.
For optimum control performance, Additel recommends adjusting the source pressure to approximately 110 % of the maximum range of the internal pressure control module or 1 bar, whichever is greater.
This architecture is particularly suitable for stationary calibration laboratories because it combines a controlled external pressure supply with fast and highly stable electronic pressure regulation.
Gauge Pressure Control
The standard ADT 783-1K configuration is designed for:
Gauge Pressure
Gauge pressure is measured relative to atmospheric pressure:
p_gauge = p_absolute – p_atmosphere
The operating range includes negative gauge pressure as well as positive pressure up to 70 bar.
This allows the controller to cover pressure calibration tasks extending from vacuum relative to atmosphere through common industrial positive pressure ranges.
Optional Absolute Pressure Capability
The ADT 783-1K can optionally be configured for switching between:
Gauge Pressure
and:
Absolute Pressure
This requires the appropriate reference atmospheric pressure module.
When the barometric reference module is installed, the controller can use atmospheric pressure information to support absolute pressure measurements.
This provides additional flexibility for laboratories that need to calibrate both gauge and absolute pressure instruments.
Interchangeable ADT151 Pressure Modules
A major advantage of the Additel ADT 783-1K is its modular pressure measurement architecture.
The controller provides:
two interchangeable internal pressure module bays
for Additel ADT151 pressure modules.
The high-pressure module bay supports suitable ADT151 modules extending up to the 1,000 psi / 70 bar range.
The low-pressure bay can be equipped with a lower-range module to improve measurement performance at smaller pressures.
This modular architecture allows the controller to be adapted to changing calibration requirements without replacing the complete pressure controller.
Two Pressure Ranges in One Controller
A pressure calibration laboratory rarely works with only one pressure range.
For example, the same laboratory may need to calibrate:
- 2 bar pressure transmitters
- 10 bar digital pressure gauges
- 25 bar pressure sensors
- 60 bar pressure gauges
Using only a 70 bar reference sensor for every calibration may not provide the optimum measurement uncertainty at lower pressures.
The two-module architecture of the ADT 783-1K allows a lower-range reference module to be combined with the high-pressure module.
The controller can then select the most appropriate measurement range for the calibration task.
Maximum Range Ratio of 20:1
For the ADT 783-1K, Additel specifies a maximum high-to-low pressure range ratio of:
20:1
This allows the two installed pressure modules to cover substantially different ranges while maintaining suitable control performance.
The pressure range can be selected using:
Fixed
or:
Auto
range switching.
Automatic range selection can simplify calibration workflows involving devices with different pressure ranges.
Accuracy Options
The measurement performance of the Additel ADT 783-1K depends on the selected ADT151 pressure module.
Current configurations provide accuracy specifications of:
0.02 % FS
or:
0.01 % FS
with high-precision configurations available down to:
0.01 % RD
This allows the controller to be configured according to the uncertainty requirements of the calibration laboratory.
Precision and Accuracy
Additel distinguishes between:
Precision
and:
Accuracy
in the current ADT783 specifications.
Depending on the selected module, precision options for the ADT 783-1K include:
0.01 % FS
0.007 % FS
or:
0.008 % RD
The corresponding accuracy specifications are:
0.02 % FS
0.01 % FS
or:
0.01 % RD
Additel defines precision as including contributions such as linearity, hysteresis, repeatability, resolution and temperature compensation.
The accuracy specification additionally includes reference standard measurement uncertainty and annual drift.
This distinction is important when evaluating the ADT 783-1K for professional calibration applications.
Control Stability <0.003 % FS
The pressure control stability of the Additel ADT 783-1K is specified as:
<0.003 % FS
Under suitable conditions, Additel specifies typical performance of:
0.001 % FS
This high level of pressure stability is particularly valuable when calibrating high-resolution digital pressure gauges, pressure transmitters and reference pressure instruments.
Additional stabilization time may be required when the best 0.001 % FS performance is required.
Pressure Control in Less Than 10 Seconds
Speed is one of the key strengths of the ADT783 platform.
For the ADT 783-1K, Additel specifies a pressure control response time of:
<10 seconds
under the defined test conditions.
The manufacturer’s test uses an external load volume of 50 ml and a 20 % pressure step to reach 0.005 % FS stability.
This rapid control capability can significantly reduce the total time required for multipoint calibration procedures.
Three Pressure Control Modes
The ADT 783-1K provides three control modes:
Fast
Standard
and:
Custom
These modes allow the pressure control behavior to be adapted to the calibration application.
Fast control is useful when short calibration cycle times are important, while other settings can be selected when the connected device or pressure volume requires different control characteristics.
Maximum Overshoot <1 % FS
Pressure overshoot can be important when calibrating sensitive instruments.
The ADT 783-1K specifies a maximum pressure overshoot of:
<1 % FS
This controlled approach to the target pressure helps protect the device under test and supports efficient automated calibration.
Load Volumes up to 1,000 ml
The ADT 783-1K supports an external load volume of up to:
1,000 ml
This provides flexibility when connecting different devices under test, manifolds, tubing systems and calibration setups.
The actual pressure response time depends on factors including:
- Connected volume
- Pressure step
- Supply pressure
- Selected control mode
- Target stability
- Pressure range
Pressure Port
The ADT 783-1K uses a:
1/4 BSP male
pressure connection.
Pressure ports incorporate filtration to help protect the controller from contamination.
Additel specifies filters in the approximately:
40 to 100 µm
range for the pressure ports.
Optional Contamination Prevention System
An optional:
Contamination Prevention System (CPS)
is available for the ADT 783-1K.
Contamination protection is particularly useful when devices under test may contain particles, moisture, oil or other contamination that could enter the pressure controller.
Protecting the reference modules and internal pressure-control system helps maintain reliable operation and metrological performance.
Fast Module Changes
The ADT783 is designed around Additel’s interchangeable ADT151 pressure modules.
Modules can be exchanged when calibration workloads change.
This modular approach allows one pressure controller to support several pressure ranges without permanently integrating a dedicated reference sensor for every application.
For calibration laboratories with changing workloads, this can improve equipment utilization and reduce the need for multiple complete controllers.
Automatic Calibration Applications
The Additel ADT 783-1K is particularly well suited to automated calibration.
The pressure controller can generate and regulate defined pressure points while measurement results are recorded through an appropriate calibration workflow.
A typical calibration sequence may include:
- Zero pressure
- Increasing pressure points
- Full-scale pressure
- Decreasing pressure points
- Return to zero
This allows characteristics such as indication error, repeatability and hysteresis of the device under test to be evaluated efficiently.
Digital Pressure Gauge Calibration
The ADT 783-1K is ideal for calibrating digital pressure gauges.
The controller automatically generates a stable reference pressure while the indication of the gauge is compared with the reference value.
Its rapid pressure control can significantly shorten multipoint calibrations compared with manual pressure generation.
Pressure Transmitter Calibration
Pressure transmitters can also be calibrated using the ADT 783-1K as the pneumatic reference pressure source.
Typical devices include:
- Gauge pressure transmitters
- Absolute pressure transmitters with the appropriate controller configuration
- Smart pressure transmitters
- Industrial pressure transducers
The controller’s automation and remote communication capabilities make it particularly useful in laboratory and production test systems.
Pressure Sensor Production Testing
The fast response and modular pressure ranges also make the ADT 783-1K suitable for production environments.
Pressure sensors can be tested at predefined pressure points as part of an automated production sequence.
The combination of:
- Fast control
- Stable pressure
- Interchangeable modules
- Remote communication
- Automated operation
provides a strong platform for repetitive pressure testing.
Communication and Remote Operation
The ADT783 platform provides several interfaces for integration into automated calibration systems.
Available communication options include interfaces such as:
- LAN / Ethernet
- USB
- RS232
These interfaces allow the pressure controller to communicate with computers, calibration software and automated test systems.
The controller also supports programming commands for integration into custom calibration applications.
Modbus Support
Additel provides:
Modbus commands
for the ADT773, ADT783 and ADT793 pressure controller platform.
This allows the ADT 783-1K to be integrated into compatible industrial automation and laboratory control systems.
For automated test benches, Modbus communication can provide a convenient method of remotely setting pressures and reading instrument information.
7-Inch Color Touchscreen
The ADT783 uses a large:
7-inch color touchscreen
with an icon-based user interface.
Pressure setpoints, control modes, measurement values and configuration parameters can be accessed directly from the display.
The touchscreen architecture makes the controller easy to operate while still providing the advanced functionality required in professional calibration laboratories.
Technical Highlights
Model: Additel ADT 783-1K
Device type: Automated Pneumatic Pressure Controller
Maximum pressure: 1,000 psi
Maximum pressure: 70 bar
Minimum pressure: -14.35 psi
Minimum pressure: -0.99 bar
Standard pressure type: Gauge
Gauge/absolute switching: Optional with barometric reference module
Accuracy: 0.02 % FS, 0.01 % FS or 0.01 % RD depending on module
Precision: 0.01 % FS, 0.007 % FS or 0.008 % RD depending on module
Control stability: <0.003 % FS
Typical control stability: 0.001 % FS
Control response time: <10 seconds under specified conditions
Internal pressure module bays: 2
Pressure modules: Additel ADT151
Maximum high/low range ratio: 20:1
Range switching: Fixed or Auto
Control modes: Fast, Standard, Custom
Maximum overshoot: <1 % FS
Maximum load volume: 1,000 ml
Pressure medium: Clean, dry air or nitrogen
Pressure supply: External
Maximum supply pressure: 80 bar
Pressure connection: 1/4 BSP male
Contamination Prevention System: Optional
Display: 7-inch color touchscreen
Remote communication: Yes
Modbus: Supported
Technical Data
| Feature | Additel ADT 783-1K |
|---|---|
| Device type | Automated Pneumatic Pressure Controller |
| Control range | -14.35 to 1,000 psi |
| Control range | -0.99 to 70 bar |
| Standard pressure type | Gauge |
| Absolute pressure | Optional with barometric reference |
| Accuracy | 0.02 % FS / 0.01 % FS / 0.01 % RD |
| Precision | 0.01 % FS / 0.007 % FS / 0.008 % RD |
| Control stability | <0.003 % FS |
| Typical control stability | 0.001 % FS |
| Response time | <10 s |
| Internal module bays | 2 |
| Pressure modules | ADT151 |
| Maximum range ratio | 20:1 |
| Range selection | Fixed / Auto |
| Control modes | Fast / Standard / Custom |
| Maximum overshoot | <1 % FS |
| Maximum load volume | 1,000 ml |
| Pressure medium | Clean, dry air or nitrogen |
| Pressure supply | External |
| Maximum supply pressure | 80 bar |
| Pressure port | 1/4 BSP male |
| CPS | Optional |
| Remote control | Yes |
| Modbus | Supported |
ADT 783-1K vs. ADT 761A-1K
Although the ADT 783-1K and ADT 761A-1K both cover pressures up to approximately 70 bar, they are designed for different applications.
The ADT 783-1K is primarily a:
Benchtop Pressure Controller
while the ADT 761A-1K is a:
Portable Automatic Pressure Calibrator
The ADT 761A-1K incorporates its own electric pressure-generation system and is designed for mobile field calibration.
The ADT 783-1K instead uses an external supply of clean, dry air or nitrogen and is optimized for rapid, stable pressure control in calibration laboratories, production testing and automated calibration systems.
The ADT 783-1K provides control stability of less than 0.003 % FS, with typical performance of 0.001 % FS, and can reach the specified pressure control condition in less than 10 seconds under Additel’s defined test conditions.
For stationary laboratory applications requiring rapid automated pressure control, the ADT 783-1K is therefore the more specialized solution.
ADT 783 Series Overview
The Additel ADT783 series covers several pneumatic pressure ranges.
| Model | Maximum Range | Pressure Type |
|---|---|---|
| ADT 783-D | 35 psi / 2.5 bar | Differential |
| ADT 783-1K | 1,000 psi / 70 bar | Gauge |
| ADT 783-3.6K | 3,600 psi / 250 bar | Gauge |
| ADT 783-6K | 6,000 psi / 420 bar | Gauge |
The ADT 783-1K is particularly suitable for laboratories requiring automatic pneumatic pressure control from vacuum through common industrial pressure ranges up to 70 bar.
Higher-pressure applications can be covered by the ADT 783-3.6K and ADT 783-6K configurations.
Typical Applications
The Additel ADT 783-1K Pressure Controller is suitable for:
- Digital pressure gauge calibration
- Analog pressure gauge calibration
- Pressure transmitter calibration
- Pressure sensor calibration
- Pressure transducer calibration
- Reference pressure instrument calibration
- Automated calibration systems
- Production pressure testing
- Research and development
- Quality assurance
- Pressure laboratory automation
- Multipoint pressure calibration
- Gauge pressure calibration
- Optional absolute pressure calibration
Typical users include:
- Professional calibration laboratories
- ISO/IEC 17025 calibration laboratories
- Industrial calibration departments
- Instrument manufacturers
- Pressure sensor manufacturers
- Quality assurance departments
- Research laboratories
- Production test facilities
- Automated test system operators
Calibration and Service by europascal
A high-performance pressure controller depends on reliable reference pressure measurement.
The interchangeable ADT151 pressure modules should therefore be included in the calibration strategy according to the ranges actually used.
For systems equipped with an optional barometric reference module, this reference should also be considered when absolute pressure functionality is required.
The europascal calibration service provides professional calibration solutions for pressure controllers, reference pressure modules, digital pressure gauges, pressure transmitters and pressure sensors.
europascal can also support customers in selecting suitable ADT151 modules, pressure ranges, accessories and system configurations for the ADT 783-1K.
Why Choose the Additel ADT 783-1K?
The Additel ADT 783-1K Precise Pressure Controller combines automated pneumatic pressure control from approximately -0.99 to 70 bar, interchangeable reference pressure modules and exceptional control performance in a modern laboratory platform.
Depending on the selected ADT151 pressure module, accuracy options extend from 0.02 % FS through 0.01 % FS to high-precision configurations reaching 0.01 % of reading.
Control stability is specified at <0.003 % FS, with typical performance of 0.001 % FS. Pressure control can be achieved in less than 10 seconds under the manufacturer’s defined test conditions.
Two interchangeable pressure module bays, automatic range switching, optional gauge-to-absolute pressure conversion, remote communication and Modbus support make the ADT 783-1K particularly suitable for professional calibration laboratories and automated pressure test systems.
Looking for a fast and precise automated pressure controller up to 70 bar? Contact europascal for expert advice on the Additel ADT 783-1K, suitable ADT151 pressure modules, accessories and professional calibration services.
Further Additel pressure controllers and calibrators from europascal can be found here.
Professional pressure calibration services from europascal can be found here.
Manufacturer information about the Additel ADT 783 can be found on the official Additel website.
