Additel 685

Additel 685

Additel 685

Other Features

Model ADT685 ADT685Ex
Description Digital Pressure Gauge Intrinsically Safe Digital Pressure Gauge
Intrinsic Safety & European Compliance CE CE marked, ATEX certified intrinsically safe, II 1G EX ia IIC T4 Ga
Accuracy (For detailed accuracy, please see pressure range table) 685(Ex)-02 : 0.02% of full span
685(Ex)-05 : 0.05% of full span
685(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 full span [1][2]
Barometric Accuracy (Built-in barometer) 55Pa
Gauge Types Gauge pressure, compound pressure, absolute pressure, differential pressure and barometric pressure
Display Touch screen (3.4” FSTN segment capacitive) – 5 1/2 full digits
Screen protector: tempered glass film (replaceable)
Display rate: 3 readings per second (default setting). Adjustable from 10 readings per second to 1 reading every 20 seconds
Pressure Units Pa, kPa, MPa, psi, bar, mbar, kgf/cm2, inH2O, mmH2O, inHg, mmHg and 3 customized unit
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: 0 – 95%, Non-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 fitting
Other connections available per request



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