Components and ranges
SO₂: 0 to 300 ppm
CO₂ : 0 to 10 %vol
Principle
TDL (Tunable Diode Laser) for SO2
QCL (Quantum Cascade Laser) method for CO2
Measurement method
Extractive method
Applications
Exhaust fumes from SOx scrubber (dedicated) for ship engines
Light source
Semiconductor laser
Laser class
CLASS 1 (laser devices can be Class 1 or Class 3B)
Dimensions
Detector: 330 (W) × 880 (H) × 255 (D) mm
Extractor: 400 (W) × 300 (H) × 323 (D) mm
*Depth varies according to duct diameter
Interface: 500 (W) × 400 (H) × 166 (D) mm
Weight (excluding cables)
Detector: 30 kg
Extractor: 18 kg
Interface: 20 kg
Housing
Indoor use, IP44 (fully enclosed and splashproof
Extractor fan: IPX4
Materials
Detector: Stainless steel
Extractor: Stainless steel
Interface: Stainless steel
Materials of parts in contact with gas
SUS316L, CaF2, FKM, Silicone, PTFE, Glass, PVDF
Power supply
100-240 Vac, 50/60 Hz
Power consumption
Max. rated power 1000 VA
Displays
LED indicators
Information displayed
Heating, measurement, maintenance request, standby, fault
Communication functions
Ethernet / Protocol: Modbus TCP
Length of cables
Between receiver and transmitter: 1 m
Between detector and interface: ≤ 15 m
Between extractor and interface: ≤ 20 m
Analog outputs
4 to 20 mAcc, 3 points
Isolation of ground line and internal circuit. No isolation between signals.
Load resistance: ≤ 300 Ω
Output signals: SO₂ content, CO₂ content, SO₂/CO₂ ratio.
The output signal is forced to 0% during maintenance operations
and when the purifier is shut down.
Analog inputs
4 to 20 mAcc, 1 point
Isolation of ground line and internal circuit
No isolation between signals
Input signals: exhaust gas temperature
Digital outputs
SPST-NO relay contacts, 4-pin Capacity: 30 Vdc, 1 A (resistive load) Internal circuit isolation.
Contacts not isolated from each other (shared COM) Output signals: maintenance, heating, sampling stopped, maintenance request, fault analyser
(extractor fault, detector fault), power failure
Digital outputs
Voltage inputs, 4 pointsi
Contacts ON if input between 18 and 25 Vi
Internal circuit isolation Contacts not isolated from each other (shared COM)i
Input signals: maintenance, scrubber on/off
Accuracy
≤ ± 2.0% of measurement or ≤ ± 0.3% PE,
whichever is greater
Detection limit
2.5 times the standard deviation of 10
repetitive responses: ≤ ± 1.0% PE
Noise
≤ 2.0% PE peak-to-peak
Zero drift
≤ ± 2.0% PE for 6 months
Scale drift
≤ ± 2.0% PE for 6 months
Response time (t90)
≤ 180 seconds
Heating time
≤ 120 minutes
Interference with other components
With the following component contents in a nitrogen base (N₂):
≤ ±2.0 % PE
(1) 500 ppm NO
(2) 200 ppm NO₂
(3) 2000 ppm CO
(4) 10 ppm NH₃
(5) 10 ppm CH₄
(6) H₂O saturated at 60°C
