ADT681-CP Digital Pressure Gauge – Compound Pressure

August 27, 2020




The Additel ADT681 digital pressure gauges, provide an accurate, reliable and economical solution for a wide range of pressure applications. With accuracy choices of 0.2%, 0.1%, 0.05% & 0.02 % of full scale or 0.1% reading and compound pressure ranges from -100 to 2,000 kPa, there are options to meet all budgets and service requirements.


The ADT681 digital pressure gauge is supplied with ISO17025 accredited calibration certificate. Zedflo is a NATA accredited facility and can provide accredited calibration for these products.


The ADT681 has options for measuring gauge, compound, differential, absolute and barometric pressure.


View Data Logging Versions

View IECEx Intrinsically Safe Versions

View IECEx Intrinsically Safe Data Logging Versions

View Panel Mount Versions

View Panel Mount Data Logging Versions




  • Choice of accuracy levels 0.2%, 0.1%, 0.05% & 0.02% FS or 0.1% RDG
  • Pressure ranges up to 420 MPa (60,000 PSI)
  • Suitable for gauge pressure, compound pressure & absolute pressure
  • Selectable engineering units
  • Large back-lit easy to read display
  • % pressure indication with fan shaped graph scale for visual reference
  • Display flash warning when pressure over 120% of FS
  • IECEx certified model available
  • ISO 17025 accredited calibration certificate included





  • Precision pressure measurement
  • Field gauge and switch calibration
  • Pressure safety valve (PSV) testing
  • Pressure regulator testing
  • Hydrotesting
  • Gas pressure testing
  • Pressure data logging


ADT681 Product Data Sheet

ADT681 Gauge Display Resolution

Additel Pressure Gauge Selection Guide

ADT681 User Guide