Measuring principles |
NDIR ( non dispersive infrared) | CO, HC, CO2 % |
EC electrochemical cells | O2, CO, NO, NO2, SO2 and H2S |
Resolution | ± 0.1 % Vol |
Gas Sample preparation |
Integrated cooler | High efficiency Peltier type gas cooler, constant 5 C dew point |
Moisture removal | Continuous moisture removal using Peristaltic pump |
Filters | integrated fine particulate filter and CO filter |
O2 measurement |
Range | 0 to 25 % |
Accuracy | ± 0.2 % Vol |
Resolution | ± 0.1 % Vol |
CO measurement with H2 Compensation |
Range | 0 to 20000 ppm |
Accuracy | ± 10 ppm or ± 5 % of reading up to 4000 ppm
± 10% of reading from 1000 to 20000 ppm |
Resolution | 1 ppm |
Low CO measurement with H2 Compensation |
Range | 0 to 300 ppm |
Accuracy | ± 2 ppm or ± 5 % of readings |
Resolution | 0.1 ppm |
Hi CO measurement % |
Range | 0 to 10% |
Accuracy | ± 0.02% of rdg up to 4 %
± 10% of rdg from 4 % to 10% |
Resolution | 0.01 % |
NO measurement (option) |
Range | 0 to 5000 ppm |
Accuracy | ± 5 ppm or ± 5 % of reading up to 1000 ppm
± 10% of reading from 1000 to 5000 ppm |
Resolution | 1 ppm |
Low NO measurement (option) |
Range | 0 to 500 ppm |
Accuracy | ± 2 ppm or ± 5 % of reading |
Resolution | 0.1 ppm |
NO2 measurement (option) |
Range | 0 to 1000 ppm |
Accuracy | ± 5 ppm or ± 5 % of reading up to 200 ppm
± 10% of reading from 200 to 1000 ppm |
Resolution | 1 ppm |
Low NO2 measurement (option) |
Range | 0 to 100 ppm |
Accuracy | ± 2 ppm or ± 5 % of reading |
Resolution | 0.1 ppm |
SO2 measurement (option) |
Range | 0 to 5000 ppm |
Accuracy | ± 10 ppm or ± 5 % of reading up to 2000 ppm
± 10% of reading from 2000 to 5000 ppm |
Resolution | 1 ppm |
H2S measurement (option) |
Range | 0 to 2500 ppm |
Accuracy | ± 5 ppm or ± 5 % of reading up to 50 ppm
± 10% of reading above |
Resolution | 1 ppm |
CO2 NDIR measurement for emissions (option) |
Range | 0 to 40% |
Accuracy | ±0.3 % of Volume or ± 5 % of reading |
Resolution | 0.01 % |
HC NDIR measurement for emissions (option) |
Range | 0 to 40000 ppm |
Accuracy | ± 400 ppm or 5% reading |
Resolution | 10 ppm |
3 Gas NDIR bench |
CO – Range | 10.000 ppm/10 % |
Accuracy | ±0,03 % or ±3 % reading |
Resolution | 10 ppm/0.01 % |
CO2 – Range | 0-3%/30% |
Accuracy | ±0,5 % or ±3 % reading |
Resolution | 0.01 % |
HC – Range Calibrated as CH4 or | 10.000 ppm/3 % |
Accuracy | ±0,03 % or ±3 % reading |
Resolution | 10 ppm/0.01 % |
HC – Range Calibrated as C3H8 | 2000 ppm/5000 ppm |
Accuracy | ±30 ppm or ±3 % reading |
Resolution | 1 ppm |
CO2 % ( calculated from O2) when NDIR sensor not installed |
Range | 0 to CO2% Max |
Accuracy | ± 0.3 % Vol |
Resolution | 0.1 % |
Flue gas temperature measurement |
Range | – 50 to 1200 °C |
Accuracy | ± 2 °C |
Resolution | 0.1 °C |
Air Temperature measurement |
Range | – 50 to 100 °C |
Accuracy | ± 1 °C |
Resolution | 0.1 °C |
Flue Gas Draught/pressure measurement |
Range | ± 100 mbar (base unit) / ± 200 mbar (RCU unit) |
Accuracy | ± 0.02 mbar |
Resolution | ± 0.001 mbar |
CO/CO2 Ratio Calculation |
Range | 0 to 99999 |
Resolution | 0.0001 |
Efficiency (Net, gross, Condensing) calculations |
Range | 0 to 120% ETA |
Resolution | 0.1 % |
Air Ratio Calculation |
Range | 1 to 9.99 |
Resolution | 0.01 |
Excess Air Calculation |
Range | 0 to 99.9 % |
Resolution | 0.1% |
Heat losses Calculation |
Range | 0 to 9.99 % |
Resolution | 0.1% |
Flow Gas measurement (option) |
Range | 3 to 100 m/sec |
Accuracy | ± 1 m/sec or ± 3% of reading |
Resolution | 0.1 m/sec |
Conversions calculations |
emissions calculations | ppm/o2% reference, mg/m3, mg/m3 with O2 reference, NOx mg/m3 in term of NO2 |
Fuels |
Pres-set fuels | Nat Gas, Heavy Oil Light Oil, LPG, Propane, Butane, Kerosene,Coal, Diesel,Petrol,Coke, Anthracite, Wood@0%, Wood@10%, Wood@20%, Wood@30%, Wood@40%, Wood@50%, Pellets |
Digital & Software |
Communications | mini USB, optional Bluetooth |
Data logging | 16000 Data log on internal memory & 2GB on SD card- Data exported as CSV file, download via SD card |
Mobile APP ( Free) | MRU4U working on IOS & Android |
Software (Optional) | MRU4WIN emissions software |
General Base unit |
Display | none |
Weight | 6KG |
Dimension | 470 x 314 x 235 including RCU |
IP protection | IP 20 |
Power/main | Li-Ion internal rechargeable batteries, 20 hours operation ( reduced to 10 hours with cooler on)- Charger 100-240 VAC, 50-60 Hz |
Operating/Storage temperature | 5 to 45 °C/ -20 to 50 °C |
RCU ( Remote Control Unit) |
Display | 3.5 ” TFT colour display, 6 lines full graphic |
Weight | 700 g |
Dimension | |
IP protection | IP 20 |
Power/main | Li-Ion internal rechargeable batteries, 30 hours operation- Charge inductive via base unit and/or USB |
Operating/Storage temperature | 5 to 45 °C/ -20 to 50 °C |
Other |
Warranty | 2 years on instrument, 2 years on O2 sensor, 1 year on all other sensors |
Approvals | Independently tested to BS EN 50379-2- MCERTS performance standard for Portable Emissions Monitoring system (o2, CO, NO, NO2, SO2 and CO2 IR) |