INFRA.sens AK20 • Wi.Tec-Sensorik

Gases:

Table of Contents

1 Applications
2 Options
3 Features & Benefits
4 Technical Drawing (Dimensions)
5 Technical Data
6 Service & Support
7 Associated Downloads

Applications

Options

Features & Benefits

Rugged sensor design
Low power consumption < 2 W @ 24 V
Different Interfaces (RS232, CAN-Bus)
Low drift
MARS-Tool (Wi.Tec Software)

Technical Drawing (Dimensions)

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	225mm x 120mm x 74.4mm
Weight	approx. 520g
Tube connector	4/6mm tube
Lifetime of IR radiation source	> 40 000h

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	± 0.5 %F.S.
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

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
Power consumption (average)	< 2W
Digital output signal	RS 232 (ASCII) or CAN-Bus

Climatic conditions
Operating temperature^*	5 – 45 °C ⁸
Storage temperature	-20 – 60 °C
Air pressure	800 – 1200 hPa (mbar)
Ambient humidity	0 – 95 % rel. humidity (not condensing)