The Additel ADT681A Digital Pressure Gauge delivers world-class precision for calibration, verification, and pressure measurement across field and laboratory environments. With pressure ranges up to 60,000 psi (4,200 bar) and accuracy options down to ±0.01 % FS, the 681A provides reliable results for critical applications in oil & gas, mining, pharmaceuticals, energy, and manufacturing.

Built with a rugged stainless steel housing and rated IP67 for dust and water protection, the ADT681A is engineered for demanding site conditions. Advanced features including Bluetooth wireless communication, Additel Link app compatibility, and optional datalogging of 10 million records streamline modern workflows and compliance reporting. For hazardous sites, the intrinsically safe ADT681AEx model ensures ATEX, IECEx, CE, and North American Class I compliance.

Key Features

• Accuracy options: ±0.01 %, ±0.02 %, ±0.05 % FS or ±0.1 % RD

• Pressure ranges: up to 60,000 psi (4,200 bar)

• Wireless connectivity: Bluetooth + Additel Link app integration

• Data logging: store up to 10 million records

• Intrinsically safe option: ADT681AEx for hazardous areas

• Durability: IP67-rated, stainless steel housing, shock/vibration resistant

• Battery life: up to 18,000 hours in low-power mode

• Multiple pressure units with custom configuration

• Large backlit display for easy readability in all conditions

Applications

• Calibration and verification of pressure instruments

• Mining and process plant maintenance

• Oil & gas field operations

• Pharmaceutical and food-processing audits

• Environmental monitoring and compliance testing

Easy to Use

Designed for technicians and engineers under time pressure, the ADT681A features intuitive menus and one-touch controls. Large-font readings are visible from several metres away, while the backlight ensures clarity in low-light conditions.

Easy to Maintain

Membrane buttons make cleaning simple, while extended battery life minimises downtime. With rugged construction and corrosion-resistant wetted parts, the ADT681A offers low-maintenance performance over years of use.

Why Choose the Additel ADT681A?

The ADT681A Digital Pressure Gauge combines advanced technology, durability, and compliance in one compact unit. Whether used in the lab or in the harshest field environments, it provides:

• Unmatched accuracy down to ±0.01 % FS

• Safety compliance with ATEX, IECEx, CE, and North American standards

• Trusted support from Maximator Australia with local stock and service

Datasheet & Ordering

All specifications and selection guides are detailed in the downloadable Additel ADT681A datasheet.