ADT760A and ADT760S: New Automatic Pressure Calibrators

The latest ADT760A and ADT760S from Additel introduce a new generation of automatic pressure calibrators designed to improve accuracy, efficiency, and reliability in both field and laboratory environments.

This update is not limited to performance improvements. It also addresses practical issues that affect long term instrument stability, including contamination risks during pressure calibration activities.

Technical Upgrades in the New ADT760 Series

The new ADT760A and ADT760S build on the concept of fully integrated automatic pressure calibration by combining pressure generation, control, and measurement in a single portable unit.

One of the main improvements is enhanced pressure control stability, allowing faster approach to setpoints and more consistent readings. This reduces calibration time while improving repeatability across multiple test cycles.

Automation has also been expanded through programmable calibration routines. This allows technicians to standardize procedures, reduce manual intervention, and maintain consistent results across different operators and locations.

These updates align with the growing need for reliable and repeatable calibration processes in regulated and high precision industries.

Contamination Prevention System: Protecting Calibration Integrity

A key new feature introduced in this generation is the attachable Contamination Prevention System.

In many real-world applications, pressure instruments are exposed to media that may contain particles, moisture, or residues. When these contaminants enter a calibrator, they can affect internal components, compromise accuracy, and increase maintenance requirements.

The Contamination Prevention System acts as a protective barrier between the device under test and the calibrator. By reducing the risk of internal contamination, it helps maintain long term performance and measurement reliability.

This is particularly relevant in industries such as oil and gas, chemical processing, and manufacturing, where field instruments are not always in clean conditions.

Why These Updates Matter in Practice

Pressure calibration is often performed under time constraints and in environments that are not ideal for sensitive instrumentation.

The combination of improved automation and contamination protection addresses two common challenges:

First, reducing operator dependency improves consistency and supports traceable calibration procedures.

Second, protecting the calibrator from contamination helps reduce downtime, maintenance costs, and measurement drift over time.

Together, these improvements contribute to more reliable calibration programs and lower operational risk.

Application Context

The ADT760A and ADT760S are suitable for a wide range of pressure calibration tasks across industrial sectors.

• In oil and gas, they support field calibration of transmitters and gauges exposed to harsh process conditions.
• In pharmaceutical and regulated environments, they contribute to maintaining validated processes and documented calibration workflows.
• In aerospace and advanced manufacturing, they provide the stability and precision required for testing critical components.

Additel instruments are widely used across these industries for pressure calibration, digital pressure measurement, and portable calibration applications .

The new ADT760A and ADT760S represent a focused upgrade in automatic pressure calibration, combining improved control performance with practical features such as contamination protection.

For organizations managing critical calibration activities, these enhancements support more consistent results, reduced maintenance risks, and better long term instrument performance.

About AV-TEK Consulting

AV-TEK Consulting supports customers in evaluating how new calibration technologies like the ADT760 series can be integrated into existing workflows.

This includes assessing application requirements, defining the right configuration, and ensuring alignment with NIST traceable calibration practices.

The objective is not only to introduce new instruments, but to improve calibration efficiency, reliability, and compliance within real operating environments.

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