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ADT686 Advanced Digital Pressure Gauge
Datalogging
ADT686 Digital Pressure Gauges Overview
The Additel ADT686 Digital Pressure Gauge is an advanced pressure measurement and calibration instrument designed for high-accuracy applications across both field and laboratory environments. Featuring a modern touchscreen interface, wireless connectivity options and fully temperature compensated performance, the ADT686 delivers a significant step forward in usability and functionality.
With pressure ranges up to 60,000 psi (4,200 bar), accuracy options down to 0.02% of full span, and support for Bluetooth, USB and optional Wi-Fi communication, the ADT686 is designed for technicians requiring precision measurement combined with modern data handling and remote monitoring capabilities.
Key Features
- Pressure ranges to 60,000 psi (4,200 bar)
- 0.02%, 0.05% FS or 0.1% RD Accuracy
- Color Touchscreen Display
- Every model measures Gauge or Absolute Pressure
- Built-in Barometer
- Intuitive Smartphone Like Interface
- Wi-Fi (optional)
- Bluetooth and USB communication
- Data logging (optional)
- Communicates with Additel’s Link Mobile App
- IP67 Rated
- ISO 17025-accredited calibration w/data included
Understanding the ADT686 Model Variations
The ADT686 series is available in two configurations to suit different applications:
Standard Models
Designed for general pressure measurement, available in gauge, compound, differential and barometric pressure configurations.
Datalogging (DL) Models
Includes onboard memory for recording pressure over time, ideal for analysis and reporting.
Pressure Range & Application Flexibility
The ADT686 series supports a wide range of pressure types including:
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Gauge pressure
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Absolute Pressure
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Differential pressure
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Compound pressure
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Barometric pressure
With configurable ranges from vacuum through to 60,000 psi, these gauges are suitable for everything from low-pressure calibration to high-pressure industrial testing.
Why Choose the ADT686?
The ADT686 is designed to provide a combination of advanced functionality, high accuracy and modern usability.
Its colour touchscreen interface, wireless communication capabilities and high-capacity data logging make it well suited to applications where remote monitoring, data recording and ease of use are critical. The IP67-rated stainless steel construction ensures durability in demanding environments, while the built-in barometer and multi-mode measurement capability allow a single device to cover a wide range of pressure applications.
Calibration of your Digital Pressure Gauge
Calibration is essential for maintaining the accuracy and reliability of your digital pressure gauges. At Zedflo, we offer a complete calibration service through our in-house ISO17025 NATA accredited calibration laboratory, making us your one-stop shop for all ongoing calibration needs.
Our calibration process ensures your instruments perform to the highest standards by comparing and, where necessary, adjusting the gauge to align with known reference values. This guarantees consistent, traceable readings and long-term confidence in your pressure measurement equipment.
Applications of Digital Pressure Gauges
Digital pressure gauges are highly versatile instruments used across a wide range of industries where precision and reliability are essential. Common applications include:
Manufacturing: Monitoring and controlling pneumatic and hydraulic systems to ensure consistent process performance.
Automotive: Testing and servicing vehicle systems that rely on accurate pressure measurement for safety and efficiency.
Environmental Monitoring: Tracking atmospheric, gas, or water pressure to support environmental assessments and research.
Mining, Process, and Power Industries: Testing, calibrating, and data logging of pressure systems in demanding industrial environments.
Calibration: Serving as high-accuracy reference equipment for verifying and maintaining the performance of other pressure measurement devices.


