Additel Instruments Digital Pressure Test Gauges Additel 681 Series

Additel Instruments Digital Pressure Test Gauges Additel 681 Series

Additel 681 Digital Pressure provides an accurate, reliable, and economic solution for a wide range of pressure applications. They are loaded with functionality and remarkably easy to use. To reach the best performance, every silicon pressure sensor in our gauges is specially aged, tested, and screened before assembly.

At Additel, fully temperature compensated accuracy means every sensor is pressure tested at several environmental temperatures from -10°C to 50°C. With this test data, individual coefficients are generated and stored in the gauge characterizing its performance over the full temperature compensated range.

Digital Pressure Test Gauges Additel 681 Series
Digital Pressure Test Gauges Additel 681 Series

And now the Digital Pressure Test Gauges Additel 681 Series comes with an IP67 rating meaning it is dust resistant and waterproof, submersible in 1 meter of water.

Digital Pressure Test Gauges Additel 681 Series give the widest variety of sensor choices on the market. Whether you require low inches of water measurement or very high-pressure measurement, we have a gauge that will meet your need. We offer sensors that are ±1 inH2O (±2.5 mbar) to 60K psi (4,200 bar) and everything in between.

Our compound gauges do not compromise accuracy and provide you with the same high accuracy specification on both positive and vacuum pressures. We offer a wide variety of up to 300 psi (20 bar). If you need a higher range, just contact us and we can likely customize one to meet your need.

We also offer absolute pressure sensors to 5K psi (350 bar) and a full range of differential pressure sensors from ±1 inH2O (±2.5 mbar) to ±300 inH2O (±700 mbar). Our certified (ATEX, CSA US & IECEx) intrinsically safe models (681IS) are designed for pressure measurement in hazardous areas.

Additel 681 Digital Pressure Features

  • Pressure ranges to 60,000 psi (4,200bar)
  • 0.02%, 0.05%, 0.1% or 0.2% FS or 0.1% RD accuracy
  • % pressure indication with fan-shaped graph scale for visual reference
  • Fully temperature compensated accuracy
  • Panel mount gauges are available (optional)
  • Intrinsically safe version 681IS (optional)
  • Data logging (optional)
  • IP67 rated (681IS)
  • ISO 17025-accredited calibration w/data included

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Specification

Intrinsic Safety & European Compliance CE marked
Ɛx II 1G EX ia IIC T4 Ga
Accuracy (For detailed accuracy, please see pressure range table) 681(IS)-02 : 0.02% of full span
681(IS)-05 : 0.05% of full span
681(IS)-10 : 0.1% of full span
681(IS)-20 : 0.2% of full span
681(IS)-RD : 0.02% of full span (0% to 20% of Range), 0.1% of reading (20 to 100% of Range), 0.25% of full span (Vaccuum)
Gauge Types Gauge pressure, Compound pressure, Absolute pressure, Differential pressure, Barometric pressure
Fan-shaped Graph Scale Similar to analog dials, including pressure swing, % indication with fan-shaped graph scale for visual reference, low/high alarm
Display Description: 5 full digit FSTn LCD
Display rate: 3 readings per second (Default setting). Adjustable from 10 readings per second to 1 reading every ten seconds
Numeral display height: 16.5mm (0.65”)
Pressure Units Pa, kPa, MPa, psi, bar, mbar, kgf/cm2, inH2O @4°C, mmH2O @ 4°C, inHg@0°C, mmHg @0°C
Environmental Compensated Temperature: 14°F to 122°F (-10°C to 50°C)
Operating Temperature: 14°F to 122°F (-10°C to 50°C)
Storage Temperature: -4°F to 158°F (-20°C to 70°C)
Humidity: <95%
Pressure Port 15,000 psi: 1/4NPT male, 1/2NPT male, 1/4BSP male, 1/2BSP male, M20x1.5 male
>15,000 psi: 1/4HP female (Autoclave F-250-C, 9/15″ – 18 UNF-2B) or 1/4HP male (Autoclave M-250-C, 9/15″ – 18 UNF-2A)
Differential Pressure: 0.236 inch (Ø6 mm) test hose
Power Battery: One 9V alkaline battery (included)
Battery Life (High Power Mode): 320 hours
Battery Life (Low Power Mode): 300 hours (10 readings/s), 500 hours (3 readings/s), or 4000 hours (1 reading / 10s)
Power auto-off: 60 minutes power auto-off. Auto-off may be disabled.
External power: 100/220V external power adapter (optional)
Enclosure Case Material: Aluminum Alloy
Wetted parts: 316L SS
Dimension: Ø110mm X 35mm depth X 176mm height (panel mount gauge: Ø140mm X 86mm depth)
Weight: 0.6kg
Compliance Protection Level: IP67 (available for 681IS GP15-60K)
Vibration: 5g (20-2000 Hz)
Shock Resistance: 100g/11ms
Communication RS232 (Do not use the RS-232 connector in a hazardous atmosphere)
Warranty 1 year

Download Data Sheet: Digital Pressure Test Gauges Additel 681 Series

Ref: additel.com

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