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ULTRA.sens® AK250

Gases:

Table of Contents

Features & Benefits

  • High dynamic range
  • Rugged sensor design
  • Gas tight O-ring seal
  • Low power consumption < 1 W @ 24 V
  • Different Interfaces (RS232, CANbus)

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
(*) 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
NO2
SO2
O3
Cl2
(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets

Technical Drawing (Dimensions)

ULS250 Dimensions V191

Technical Data

General features*
Measurement principle Non-dispersive ultraviolett (NDUV); dual beam
Measurement range see list of measurement ranges
Gas flow 0.1 – 1.5 l/min
Dimensions 348mm x 120mm x 82mm
Weight approx. 720g
Tube connector 4/6mm tube
Lifetime of UV 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) < 0,25 ppm 4
Linearity error < ± 0,5 %F.S.
Repeatibility ± 0.5 %F.S. 1
Long term stability (zero) < ± 2 %F.S. /24h
Long term stability (span) < ± 2 %F.S. /month
Temp. Influence zero < 1 %F.S. /10K
Temp. Influence span < 2 %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) < 1W
Digital output signal RS 232 (ASCII) or CAN bus
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

Featured Performance Sections

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Sprungantwort

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