Additel 681A Digital Pressure Gauge

SKU: 4695814-1-638
In Stock

  • Ranges up to 60,000 psi
  • 0.02% or 0.05% accuracy
  • Gauge or absolute pressure
  • IP67 rated, Bluetooth

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Description

Unrivaled Precision and Measurement Versatility

The Additel 681A Series digital pressure gauges set a high standard for accuracy and reliability in the realm of pressure measurement. These instruments are engineered to tackle demanding pressure applications, boasting pressure ranges extending up to a remarkable 60,000 psi (4,200 bar). This wide range ensures their applicability across diverse industrial and scientific settings, from low-pressure pneumatic systems to high-pressure hydraulic circuits. What truly distinguishes the 681A Series is its remarkable precision, offering accuracy options of 0.02% or 0.05% FS (Full Scale). This level of accuracy is critical for tasks requiring meticulous measurements, such as calibrating other instruments or verifying process parameters where even minor deviations can have significant implications. Furthermore, the versatility of these gauges is enhanced by their ability to measure both gauge and absolute pressure. This dual capability is a significant advantage, as it allows a single instrument to serve multiple purposes, streamlining operations and reducing the need for specialized equipment. This ensures you always have the right measurement type for your specific application, whether it’s referencing atmospheric pressure or a sealed system.

Designed for Ultimate Durability and Reliability

Additel understands that precision instruments must also be built to last, especially when deployed in challenging environments. The model ADT681A exemplifies this philosophy, having been meticulously constructed with the finest materials to ensure unwavering performance against the elements. From its robust stainless steel outer shell to the intricately optimized innermost sensor design, every component has been chosen for longevity and resilience. This dedication to durability guarantees that the 681A will consistently provide you with on-demand and logged pressure readings for many years to come. A key feature reinforcing its ruggedness is its IP67 rating. This certification means the gauge is completely protected against dust ingress and can withstand immersion in water up to 1 meter for 30 minutes, making it perfectly suited for dusty and wet environments where other instruments might falter. Complementing its environmental resistance are its impressive shock and vibration resistance capabilities (5g vibration, 10g shock), ensuring that accidental drops or harsh handling in the field won’t compromise its functionality. Coupled with corrosion-resistant wetted parts, the ADT681A is designed to protect its inner workings, ensuring sustained accuracy and performance even in the most demanding industrial settings.

Intuitive Design for Effortless Operation

In the fast-paced world of technical work, efficiency is paramount. The Additel ADT681A is meticulously engineered with this in mind, addressing the common challenges faced by technicians with tight schedules and heavy workloads. Its design prioritizes ease of use, featuring carefully designed button functions and menus that are smooth and easy to navigate. This intuitive interface drastically reduces the learning curve, minimizing the chances of mistakes and the need for rework, thereby saving valuable time. The large, easy-to-read display is a standout feature, offering exceptional clarity even in bright sunlight, a common challenge for field instruments. For low-light situations, the backlight can be activated with a simple, one-button press, ensuring visibility at all times. Furthermore, the pressure value can be displayed in large, prominent fonts, allowing it to be read from several meters away. This makes the 681A an ideal device for no-nonsense measurement, calibration, and verification work, where quick and accurate readings are essential without requiring the user to be directly adjacent to the instrument. This commitment to user-friendliness ensures that technicians can focus on their tasks with maximum efficiency and minimal distraction.

Minimizing Maintenance, Maximizing Uptime

Beyond its robust construction and intuitive operation, the Additel ADT681A is also designed for exceptional ease of maintenance, contributing significantly to its long-term value and operational efficiency. The gauge is equipped with durable membrane buttons, a thoughtful design choice that makes cleaning and upkeep remarkably simple. Unlike traditional push-buttons with crevices that can accumulate dirt and grime, the smooth surface of the membrane buttons can be effortlessly wiped clean, ensuring hygienic operation and preserving the aesthetic and functional integrity of the instrument over time. This ease of cleaning minimizes downtime, allowing technicians to quickly get back to their work. Complementing this low-maintenance design is the extra-long battery life of the 681A Series gauges. Extended battery performance reduces the frequency of battery replacements or recharges, further contributing to continuous operation and less interruption. This combination of easy-to-clean surfaces and prolonged battery life means that maintenance for the ADT681A is minimal and infrequent, allowing users to focus on their critical pressure measurement and calibration tasks rather than spending valuable time on upkeep.

Seamless Connectivity and Extensive Data Logging

The Additel ADT681A Series embraces modern technology to enhance its utility and integration into contemporary workflows. With built-in Bluetooth communication, these gauges offer a convenient and cable-free method for connecting to other devices. This wireless capability is particularly beneficial for remote monitoring or for situations where physical connections are impractical. The 681A also provides seamless communication with Additel’s Link Mobile App, transforming your smartphone or tablet into a powerful interface for the gauge. Through the app, users can view real-time pressure readings, configure settings, and even initiate data logging remotely, significantly increasing operational flexibility. Speaking of data logging, the ADT681A offers an impressive data logging capability of up to 10,000,000 records. Each recorded entry includes essential parameters like date, time, pressure, and temperature, providing a comprehensive historical record of pressure variations. This extensive storage capacity makes the 681A an invaluable tool for long-term monitoring, trend analysis, and troubleshooting. Whether you need to track pressure fluctuations over days, weeks, or even months, the 681A ensures that you capture every critical data point, enabling informed decision-making and efficient process optimization.

Diverse Applications Across Industries

The Additel 681A Series digital pressure gauges are not just versatile in their technical specifications; their robust features and high accuracy make them indispensable across a wide array of industries and specialized applications. In calibration laboratories, the 681A serves as an excellent reference standard for calibrating other pressure instruments, thanks to its high accuracy (0.02% or 0.05% FS) and temperature compensation. For field technicians in the oil and gas industry, HVAC, or water treatment, its IP67 rating and shock resistance ensure reliable performance in harsh outdoor environments, from pipeline commissioning to leak detection. Manufacturing plants utilize the 681A for routine process monitoring, ensuring optimal operating pressures in hydraulic and pneumatic systems. The data logging feature is particularly valuable in research and development, allowing engineers to meticulously record pressure profiles over extended periods for product testing and design validation. In safety-critical environments, the intrinsically safe version (681AEx) provides the necessary assurance for measurements in potentially explosive atmospheres, such as chemical plants or paint booths. Furthermore, the ability to measure both gauge and absolute pressure makes it ideal for specialized tasks like barometric pressure compensation in aerospace applications or vacuum measurement in semiconductor manufacturing. The 681A’s fan-shaped graphic with % pressure indication also aids in quick visual checks, making it perfect for efficient system commissioning and troubleshooting in any industrial or laboratory setting.

The Premier Source: TPT24 Online Store

When it comes to acquiring the Additel 681A Series digital pressure gauge, your definitive destination is tpt24.com. TPT24 proudly stands as the world’s leading online store for this exceptional product, offering an unparalleled commitment to customer satisfaction and product integrity. We understand that investing in high-precision instrumentation demands absolute trust in the product’s origin and quality. That’s why tpt24.com delivers every Additel 681A with an unwavering guarantee of authenticity and quality. You can be completely confident that you are receiving a genuine Additel product, manufactured to the highest industry standards and subjected to rigorous testing for optimal performance and reliability. Moreover, regardless of your geographical location, tpt24.com ensures the prompt and secure delivery of your Additel 681A. We ship worldwide, bringing this cutting-edge pressure measurement technology directly to your doorstep, no matter which country you reside in. Our unwavering dedication to providing superior service, genuine products, and global accessibility makes tpt24.com the ultimate and most reliable choice for your Additel 681A purchase.

Specifications

Model ADT681A ADT681AEx
Description
Digital Pressure Gauge Intrinsically Safe Digital Pressure Gauge
Intrinsic Safety
&
European Compliance
CE marked
CE marked
EU: II 1G EX ia IIC T4 Ga T4 at -20~50°C
North America: CLASS I, Division 1, Groups A, B, C and D, T4
CLASS I,Zone 0,AEx ia IIC T4 Ga
T4 at -20~50°C
International:EX ia IIC T4 Ga T4 at -20~50°C
Accuracy
(For detailed accuracy, please
see pressure range table)
681A(Ex)-01: 0.01% of full span; 02: 0.02% of full span; 05: 0.05% of full span
681A(Ex)-RD: 0% to 20% of range: ± (0.02% of full span)
20% to 110% of range: ± (0.1% of reading)
vacuum: ± (0.25% of FS), FS=-14.5psi
Built-in barometer: ± 55 Pa (Optional)
Gauge Types
Gauge pressure, compound pressure, absolute pressure (calculated by gauge pressure and baromatric pressure),
differential pressure and barometric pressure
Multifunction
Fan-shaped section
Atmospheric pressure, ambient temperature, peak-peak values (max, min), TARE, leak test, pressure percentage
display, time display, data logging status
Display
Wide viewing angle FSTN segment code LCD, three partition design
White backlight, backlight time: ON, 15 seconds, 30 seconds, 45 seconds, 60 seconds, the default is 15 seconds
5~6 digit display can be switched, character height 14.8mm(0.58″), main display + unit display + fan-shaped section
Display Rate
3 readings per second in low power mode (default setting)
Adjustable from 10 readings per second to 1 reading every 10 seconds
Pressure Units
Pa, kPa, MPa, psi, mbar, bar, kgf/cm2, %, mmH2O(4°C), mmHg(0°C), InH2O(4°C), InHg(0°C)
6 engineering water column units: inH2O(20°C), inH2O(60°F), mmH2O(20°C), mmH2O(15°C), ftH2O(60°F), ftH2O(4°C)
1 custom unit: identied by the USER code, and the conversion coefcient can be set through Additel -Link
Environmental
Compensated Temperature: 14°F to 122°F (-10°C to 50°C)
Operating Temperature: -4°F to 122°F (-20°C to 50°C)
Storage Temperature: -40°F to 167°F (-40°C to 75°C)
Humidity: 5%RH~95%RH, no condensing
Pressure Port
≤15,000 psi: 1/4NPT male, 1/2NPT male, 1/4BSP male, 1/2BSP male, M20×1.5 male
>15,000 psi: 1/4HP female or 1/4HP male
*1/4HP female: Autoclave F-250-C, 9/16″ – 18 UNF-2B
*1/4HP male: Autoclave M-250-C, 9/16″ – 18 UNF-2A
Differential Pressure: barb tting
Other connections available per request
Power
Battery: 3 AA alkaline batteries
Battery life:
1. Super stable mode
[1]
: 4000 hours (3 reading/s, default), 1000 hours (10 reading/s)
2. Low power mode
[2]
: 5000 hours (2 reading/s), 9000 hours (1 reading/s), 18000 hours (1 reading/10s)
Power auto-off: 120, 90, 60, 45, 30, 15 minute auto-off options or never
External power: power supply through USB (optional)
Enclosure
Case material: 304 SS; Front panel material: anti-static PET; Rubber boot material (optional): anti-static TPU
Wetted parts: 316L SS
Dimension: Ø4.65″ x 1.65″ depth x 7″ height (Ø118 mm x 42 mm depth x 178 mm height)
Weight: 1.5 lbs (0.68 kg)
Compliance
Protection Level: IP67(against 1 meter water immersion for 30 mins)
Vibration: 5 g; Shock Resistance: 10 g
1 meter drop test (without rubber boot)
Data Logging (Optional)
Data storage: 10,000,000 records (time and pressure) or 5,000,000 records (time, pressure and temperature)
Rate: user-selectable as 0.1 and 1 to 99,999 second intervals
Communication
Bluetooth (BLE4.2), USB-C, RS232 *(Do not use the USB-C or RS-232 connector in a hazardous area)
Calibration
ISO 17025 Accredited Calibration Certicate with data
Warranty
1 year

Data Sheet

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