Products > SILO2 Oxygen Analyzer

Ntron Title Image SILO2

The Ntron SIL O2 Oxygen Analyzer has been designed to specifically address the OEM market’s requirements for a low cost SIL2 rated oxygen analyzer for inertisation applications. The SIL O2 Oxygen Analyser utilizes two continuous self-monitoring microprocessors.

The complete system (analyzer and sensor) meets the requirements of IEC 61508 SIL2. A fast response, high repeatability and no sensor drift make this analyzer a low maintenance solution that delivers reliable performance for safety critical, process control applications.

  • Meets the requirements of IEC61598 SIL2
  • Measurement range: 0 - 25% O2
  • Solid State Ceramic Electrode sensor technology
  • Suited to harsh process applications
  • LCD display
  • Analogue 4 to 20mA output for retransmission of measured signal (SIL2 Rated)
  • RS485 communications
  • 24VDC power supply
  • 1 Transistor output
  • 2 pushbuttons for span calibration
  • Process Connection: KF-40 / Tri-Clamp Base / Flowthrough base


More details

Technical Specifications
Measurement Technology Solid State Cermaic Electrode
Measurement Range 0 to 25%
Output resolution ( for %) 0.01%
Accuracy ±2% of reading at 20°C
Response time (T90) < 12 seconds
LDL (Sensitivity) 0.01%
Temperature range -20˚C to +50˚C
Pressure range Vented to atmosphere during operation and calibration
Linearity ±1% of range
Life expectation 2 year
Humidity 0-95% RH non-condensing
Warm up time 15 seconds
Electrical Input / Output
Power supply 24VDC
Power consumption Maximum load 160mA
Electrical Connection Screw terminals - quick disconnect. 2.5mm CSA Max
Signal output 4-20mA active
Digital output options 2 configurable alarm relays, 1 x transistor
Display format % O2
Visual Indicators LED and LCD Alerts on device
Mechanical Specifications
Dimensions 114.5mm (h) x 67mm (w) x 100mm (d)
Weight Approx 300g
Mounting Din Rail
Environmental rating IP54
Housing material PBT
Certification Complies with EMC Directive 2004 / 108 / EC. UL/ETL Certification Number: UL-61010-1