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Products / Ultra-low Pressure Pumps

Additel ADT 761-LLP - Fully Automated Portable Calibrator

With built-in high performance electronic pump and precision pressure controller, the 761 series portable automated pressure calibrators provides a turn-key solution for calibration of gauges, transmitters, and switches both in the field and in the laboratory.

  • Pressure ranges -25 to 25 mbar
  • Pressure control <0.05Pm
  • Accuracy 0.05% FS
  • Integral pressure generator/controller
  • Dual range pressure modules
  • Built-in filter and liquid trap with venting system
  • Measures and sources electrical signals
  • Automated switch test
  • 24 Vdc power supply
  • HART communications
  • Documenting and logging
  • External pressure modules and manifold available
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Additel ADT 901 - Low Pressure Test Pump

The 901 Low Pressure Test Pump is a hand operated pressure pump designed to generate pressures from -6 psi (-0.4 bar) to 6 psi (0.4 bar). A high-quality screw press is designed for fine pressure adjustment, with an adjustment resolution up to 0.1 Pa (0.001 mbar). The 901 is a very stable low pressure calibrator.

  • Generated pressure range -0.4 bar to +0.4 bar
  • Insulated isothermal chamber for greater stability
  • Specially designed screw for fine adjustment
  • Hand-tight quick connectors (no need for PTFE tape or spanners required)
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