VARIOluxx
Portable stack gas emission analyser for long time measurements of industrial combustions
O2 CO/H2 CO2 NO NO2 SO2 H2S CO CH4 C3H8 T/gas T/amb hPa
Outstanding benefits:
- precise measuring technique by means of infrared (3-gas) and electrochemical cells (6-gas)
- most suitable for precise low Nox measurements and other toxic gas emissions measurement according to new MCP Directive 2015/2193 for medium combustion plants with rated power <50 MW
- all important interfaces are available, such as Ethernet (LAN), WLAN, Bluetooth, USB, RS485, 8 channel analog Outputs
- Remote control via smartphone or tablet using VCN server via LAN/WLAN (no remote control via MRU4u app)

- Integrated, efficient electrical gas cooler (Peltier cooler) with automatic condensate draining pump
- Automatic zeroing by means of 3-way solenoid valve, internal sample flow volume measurement
- Strong, regulated sample gas pump and easy replaceable, effective PTFE filter
- Zero gas (ambient air) inlet nozzle and separate passive VENT outlet nozzle for sample gas
- O2 measurement included, using long-life electrochemical cell
- Stack gas temperature measurement up to 1.200°C (optional up to 1.700°C)
- Differential pressure or stack gas pressure +/- 100 hPa
- Combustion air temperature up to 500°C, using adequate NiCrNi probes
- Automatic measurement incl. data logging function
- Large fuel type list incl. self choose fuels with user definable parameters
- Complete combustion calculation using country specific fuel type list
- O2 referencing (normalisation) to user settable value
- Automatic internal test and control of soft- and hardware functions
- Linux OS & large, high-contrast and backlit 7" (840x480) graphical display
- Display with easy, intuitive touch panel and all measured data at one sight
- Graphical data visualization, csv or pdf reporting file
- Data transfer to PC over LAN Ethernet (RJ45 socket) or USB
- 8 channel analog output 4-20mA and 4 channel analog input 4-20mA
- Universal analogue input (AUX socket) with 0-10 V or 4-20 mA signal or K-thermocouple or RS485
- 10.000 data of internal data storage and large data storage on external 4GB USB-stick (MRU design)
- Universal power supply: mains 90-264 Vac/ 105 W (up to 600W with 5m heated sampling line)
- 1 hour Li-Ion 48 Wh battery stand-by operation, with power supply for gas cooler and heated probe filter
- Modern, rugged aluminium enclosure with rubber molded impact protection
3-gas NDIR bench CO/CO2/CH4
CO 2.000ppm … 10%
CO2 0…40%
CH4 2.000ppm … 4%
3-Gas NDIR bench CO/CO2/C3H8
CO 2.000ppm…10%
CO2 0…40%
C3H8 2.000ppm…20.000ppm
CO-measurement (H2 compensated)
0…10.000, overload up to 20.000ppm
CO(very high)-measurement
0…4,00, overload up to 10,00%
NO-measurement
0…1.000, overload up to 5.000 ppm
NO2-measurement
0…200 overload up to 1.000 ppm
SO2-measurement
0…2.000, overload up to 5.000 ppm
H2S-measurement
0…500, overload up to 2.000 ppm
3-gas NDIR bench CO/CO2/CH4
CO 2.000ppm … 10%
CO2 0…40%
CH4 2.000ppm … 4%
RS 485 interface
with modbus RTU protocol for wired far distance data transfer
Additional LiIon battery 12V/48Wh
for additional 1h mains free stand-by operation
USB to Bluetooth converter set
for wireless data transfer
“Pelicase” style transport case
suitable for flight transportation
WLAN/USB printer
with LiIon battery, 80mm paper width and battery charger
Combustion air temperature probe, 300 mm
w/ PTFE cone and 2,7m cable
Pitot tube, L-type, with temperature measurement
100 x Ø 3mm
Darcy tubes, Type S
for flow velocity measurement, incl. temperature measurement, 300, 1.000 or 1.500mm length
Gas sampling probe handle Type F
for exchangeable tubes
Exchangeable probe tube Type F, 180 or 300mm
from 300 mm up to 2.000 mm length
Sintered metal filter 3µ
for F-type gas sampling probe
Glass wool filter material
1 carton=50x30g for 750 filtering processes
Printer paper 80mm width
thermo paper, pack of 5 rolls
Service- and cleaning kit VARIOluxx
filter, silicone grease, air bulb, cloth, seals, etc.
Measuring range
| O2 | (electrochemical) 0 … 25,00 % |
| CO (H2 compensated) | (electrochemical) 0 … 10.000 ppm / overload up to 20.000 ppm |
| CO2 | (infrared) 0 … 5,00 % / overload up to 40,00 % |
| NO | (electrochemical) 0 … 1.000 ppm / overload up to 5.000 ppm |
| NO2 | (electrochemical) 0 … 200 ppm / overload up to 1.000 ppm |
| SO2 low | (electrochemical) 0 … 100,0 ppm |
| SO2 | (electrochemical) 0 … 2.000 ppm / overload up to 5.000 ppm |
| H2S | (electrochemical) 0 … 2.000 ppm / overload up to 5.000 ppm |
| CO low | (electrochemical) 0 … 500,0 ppm |
| CO very high | (electrochemical) 0 … 2,00 % / overload up to 10,00 % |
| CO | (infrared) 0 … 3.000 ppm / overload up to 30.000 ppm |
| CO | (infrared) 0 … 1,00 % / overload up to 10,00 % |
| HC (CH4) | (infrared) 0 … 3.000 / overload up to 10.000 ppm |
| HC (C3H8) | (infrared) 0 … 1.000 ppm / overload up to 10.000 ppm |
| HC (CH4) | (infrared) 0 … 1,00 % / overload up to 4,00 % |
| NO low | (electrochemical) 0 … 300,0 ppm |
| NO2 low | (electrochemical) 0 … 100,0 % |
| H2S low | (electrochemical) 0…50 ppm / overload up to 500 ppm |
| Fluegas temperature | 0 … 1.200 °C |
| Combustion air temperature | 0 … 500 °C |
| Ambient air temperature | 0 .. 100 °C |
| Differential pressure | -120 … + 120 hPa |
| Flow measurement | 3 … 100 m/s |
Dimensions and other data
| Display | 7“ TFT (800 x 480 px) colour display, backlit, with touch operation |
| Dimensions | (W x H x D) 430 x 290 x 150 mm |
| Weight | appr. 7,5 kg (with minimal configuration) |
| Operating system | LINUX |
| Data storage | 10.000 data sets internal and external USB-Stick |
| Interfaces | Ethernet, Bluetooth, WLAN, RS485 |
| Operating temperature | +5 … +50 °C ; RH up to 95 % not condensing |
| Storage temperature | -20 … +50 °C |
| Internal power supply | Li-Ion , 48 Wh, for appr. 1 hr „stand-by“ (optional additional battery, 48 Wh Li-Ion) |
| External power supply | 86 … 265 Vac / 47 … 63 Hz / 105 W (up to 600 W with heated sampling line) |
| Protection | IP20 (or IP42 inside transport case) |
