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Monitoring of 2nd stage pressure regulator units in medical gases delivery systems
Monitoring of 1st stage medical gas storages

  • 5 analog inputs for 4/20 mA analog transducers;
  • Measures and alarms monitoring with associated ID and unit of measurement;
  • Low and high alarm set-points for each input;
  • Classification as Emergency or Operative alarm for each input;
  • Display with 2 lines x 20 characters with LED backlight;
  • Yellow and red alarm lights associated to Emergency or Operative alarm status;
  • Acknowledge button for acoustic sound with alarm recovery function;
  • Auxiliary output switches for external cumulative alarm indicators or hooters;
  • Proprietary network protocol SDAMNet Plus or ModBus;
  • Programming by Windows software application SDAM Programming Tool;
  • Optical and acoustic indications about alarm status in accordance with European standard ISO 7396-1 and EN 60601-1-8

Technical Specs


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Power supply
230 Vac 50/60 Hz., Pmax. 5 VA, fuse 0.5 A
Visual indications
Display 2 lines x 20 characters with backlight
Operative alarm: LED Ø 5 mm, yellow
Emergency alarm: LED Ø 5 mm, high efficiency, red
Alarm sound
Piezoelectric speaker, volume adjust up to 85 dB @ 1 m
5 inputs for transducers 4…20 mA on 2, 3 o 4 wires, power supply 20 Vdc (15 Vdc@20 mA)

Auxiliary output switch
V max = 48 Vdc/Vac, Imax = 1 A, N.C. or N.O. configuration by software

Power output 
Low voltage for optional RF Module (LoRa radio)

Plastic 9 modules DIN rail (EN 60715) in accordance with DIN 43380, PVC, dim. 160x90x(h)58 mm, IP34
Local network interface
Isolated bidirectional RS485 protocol SDAMNet Plus or ModBus
560 g
Operating temperature
-10…50 °C
Reference standards and directives
93/42/EEC, 2014/30/EU EMC, 2014/35/EU LVD, EN60601-1,
ISO 7396-1, EN 60601-1-8, EN61000-6-1, EN61000-6-3, RoHs 2011/65/EU

Typical Applications

Alarm unit for 4/20 mA analog transducers

CE 0425
Compliant with 93/42/EEC
Medical Devices Directive - Class IIb


Power supply 230VacAcoustic alarmVisual alarmInputs 4-20 



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Documents download

Download PDF Data sheet