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INFRA.sens® AK2/P – SF6

Gases:

Table of Contents

Features & Benefits

  • Rugged sensor design
  • No cross-sensitivity to CF4
  • Low power consumption < 2 W @ 24 V
  • Different Interfaces (RS232, CANbus, Analog)
  • Pressure compensated (600-1200 mbar)
  • Inklusive MARS-Tool (Wi.Tec Software)

Sensor Configurations

    Gas Channel 1 (*) Gas Channel 2 (*) Gas Channel 3 (*) Gas Channel 4 (*) Options (**)
Single Gas Module 1.1 O2 P H
(*) If several gases are displayed in one column, only one gas can be selected per column
(**) O2 = Oxygen, P = Pressure, H = Humidity

List of measurement ranges

  Measuring range (*)
100
Vol.%
50
Vol.%
30
Vol.%
20
Vol.%
10
Vol.%
5
Vol.%
1
Vol.%
5,000
 ppm
2,000
 ppm
1,000
 ppm
500
 ppm
300
 ppm
100
 ppm
50
 ppm
10
 ppm
1
 ppm
SF6
(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets

Technical Data

General features*
Measurement principle Non-dispersive infrared (NDIR); dual beam; dual wavelenghts
Measurement range see list of measurement ranges
Gas flow 0.1 – 1.5 l /min
Dimensions 228.15 mm x 120 mm x 76 mm
Weight approx. 490 g
Tube connector 4/6 mm tube
Lifetime of IR radiation source > 40.000 h
Measuring response*
Warm-up time 1 min (initial), < 15 min 2
Response time (t90) 1.5 s – 15 s 3
Detection limit (3·σ) ≤ 0,1 Vol.% 4
Linearity error ≤ 1.0 Vol.% (0.5 % M.V. | 0.5 %F.S. 1)
Repeatibility ≤ ± 0.2 Vol.%
Long term stability (zero) < ± 2 %F.S. /24h
Long term stability (span) < ± 2 %F.S. /24h
Temp. Influence zero ≤ 0.5 Vol.% /10K 5
Temp. Influence span ≤ 0.5 Vol.% /10K 5
Cross sensitivity ≤ 0.1 Vol.% @ 100 Vol.% CF4 6
Pressure influence ≤ 0.1 % /10 hPa of reading
related to Pa = 1020 hPa ; Ta= 25 °C ; flow = 1l/min // 1 F.S. full scale // 2 full specification, demands to environmental conditions // 3 depends on digital filter settings // 4 at zero point // 5 with span temperature compensation // 6 to each calibrated gas channel, other gases on request // 7 without pressure compensation
Electrical inputs and outputs
Supply voltage 24 (15 – 30) VDC
Supply current (peak) < 0.1A
Power consumption (average) < 2W
Digital output signal RS 232 (ASCII) or CANbus
Climatic conditions
Operating temperature* 5 – 45 °C
Storage temperature -20 – 60 °C
Air pressure 600 – 1200 hPa (mbar)
Ambient humidity 0 – 95 % rel. humidity (not condensing)
*stable climatic conditions recommended, please check dewpoint considerations