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INFRA.sens® AK250

Gases:

Table of Contents

Sensor Configurations

    Gas Channel 1 (*) Gas Channel 2 (*) Gas Channel 3 (*) Gas Channel 4 (*) Options (**)
Single Gas Module 1.1 O2 P H
Dual Gas Module 2.1 O2 P H
2.2 O2 P H
Triple Gas Module 3.1 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
CO
CO2
CnHm
N2O
SF6
CH4
(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets

Technical Drawing (Dimensions)

INS250 Dimensions compact

Technical Data

General features
Measurement principle Non-dispersive infrared (NDIR); dual beam; dual to quad wavelenghts
Measurement range see list of measurement ranges
Gas flow 0.1 – 1.5 l/min
Dimensions 319mm x 120mm x 75mm
Weight approx. 720g
Tube connector 4/6mm tube
Measuring response
Warm-up time 1 min (initial), <15 min 2
Response time (t90) 1.5s – 15s 3
Detection limit (3·σ) < 0,5% F.S. 4
Linearity error < ± 1% F.S.
Repeatibility < ± 0.3% of reading
Long term stability (zero) < ± 2% F.S./week
Long term stability (span) < ± 2% F.S./month
Temp. Influence zero < 1% F.S./10K
Temp. Influence span < 1% F.S./10K 5
Cross sensitivity < 2% F.S. 6
Pressure influence < 1.5%/10hPa of reading 7
related to Pa = 1020hPa ; 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
Average power consumption < 2W
Digital output signal RS 232 (ASCII) or CANbus
Climatic conditions
Operating temperature 5 – 45 °C8
Storage temperature -20 – 60 °C
Air pressure 600 – 1200 hPa (mbar)
Ambient humidity 0 – 95% rel. humidity (not condensing)
8 stable climatic conditions recommended, please check dew point considerations