OBS-ONE IRLAM Unit

On-board Emissions Measurement System for NH3/N2O

On-board NH3/N2O measurement for real-world

The OBS-ONE IRLAM unit is an on-board emissions measurement system for analyzing the NH3/N2O under real-world driving conditions and supports our customer’s future regulatory development.

The IRLAM unit combines with the GAS unit and the PN unit to measure the specified exhaust gas components, along with the exhaust gas flow rate, the GPS position, and the atmospheric conditions (temperature, humidity, pressure).

Segment: Automotive
Manufacturing Company: HORIBA, Ltd.

◎ High accuracy measurement with HORIBA's innovative infrared gas measurement method "IRLAM™"


Click here for more information about IRLAM

*IRLAM is a registered trademark or trademark of HORIBA, Ltd.

◎ High reliability and robustness, can withstand environmental temperature and vibration

◎ No utilities required, such as purge gas cylinder

◎ Able to connect with other equipment in the OBS-ONE series and integrate data 

◎ User-friendly design mounts easily on any vehicle

◎ High correlation with lab-use emission measurement system with QCL-IR (MEXA-ONE-QL)
Direct injection gasoline vehicle / WLTC-Cold / Tale pipe sampling

Integrated Operating Platform

The OBS-ONE and other HORIBA ONE series systems employ a common user interface with future expandability. Control, monitoring and management of each emission measurement device and each module unit of OBS-ONE series can be integrated into a single controller.

 

OBS-ONE-XL01 Specification

Measurement targetLight and heavy duty vehicle engine exhaust gas
Components and rangeNH3 0 - 1500 ppm
N2O 0 - 1000 ppm
Measurement principleQuantum cascade laser infrared spectroscopy (QCL-IR)
Sample line temperature113°C
Sample gas flow rateApprox. 3.3 L/min
Usage environmentTemperature: -10 °C to 45 °C *1
Humidity: Relative humidity 80% or less
Altitude: 0 to 3000 m (above sea level)
Supply voltageDC 22 to 28V
Power Consumption (when stable) *2DC 24 V 44 Ah
Continuous use time: Approx.3 hours *3
Battery (Nickel hydride battery)Approx. 350 (W) × 470 (D) × 255 (H) mm
External dimensions *4Approx. 30 kg

*1: Please contact us if temperature is below 0 °C
*2: With 2.5 m heated hose at ambient temperature is 20 °C
*3: With 2.5 m heated hose at ambient temperature is 20 °C, and depend on battery status
*4: Excluding protrusions

Performance

Rise time from sample in t10-90 *5NH3 2.5 s or less, N2O 1.5 s or less
Drift (4 hours)[Zero] within ± 0.15 % FS [Span] within ± 1.0 %
(at ambient temperature 20 °C)
Zero noise (3σ)NH3 0.2 ppm or less, N2O 0.15 ppm or less
(at ambient temperature 20 °C)

*5: At 6 m heated hose

Dimensions and system configurations


*6: Please contact us regarding details such as installation

RDE Test with Portable Emission Measurement System (PEMS)
RDE Test with Portable Emission Measurement System (PEMS)
In 2016 the European Commission´s (EC) Member States agreed on new procedures and requirements for light-duty vehicle type approval certification introducing Portable Emission Measurement System (PEMS) for vehicle testing on the road.
RDE tests on the chassis dynamometer
RDE tests on the chassis dynamometer
Real driving emissions with RDE CoDriver
Real driving emissions with RDE CoDriver
Real Driving Emission (RDE) tests confirm the results produced during an emissions test on a chassis dynamometer to ensure that vehicles meet the set limits in the real world.
RDE Testing for Non-Road Mobile Machinery (NRMM)
RDE Testing for Non-Road Mobile Machinery (NRMM)
After the introduction of Real Driving Emission (RDE) tests for light- and heavy-duty vehicles, focus is now also shifting to the area of non-road mobile machinery (NRMM).

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