OPTIMA7 NDIR Handheld multigas analyser for petrol or diesel engine exhaust gas measurements

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  • Measurement of up to 5 car exhaust gas components: CO, CO2, HC (NDIR) as well as O2 and NOx (electrochemical)
  • Lambda calculation
  • Engine oil temperature
  • P.E.F. factor
USBIrDABluetoothApp: MRU4u

· Large condensate separator with PTFE (Teflon) coated PTFE filter
· Backlit 3,5“ TFT high resolution colour display and backlit keypad
· Mini-USB interface to PC and SD-card slot for large volume data logging, incl. SD-card
· Internal data storage for up to 16.000 measurements!
· High volume data storage to SD card (CSV format)
· High energy Li-Ion battery, for up to 10 hrs operation time
· IRDA interface for high speed infrared thermal printer
· Menu guided software and function keys
· Modern, slim line enclosure with fixing magnets
· Robust stainless steel gas connectors
· Rechargeable battery via USB port
· Wall-plug, universal grid power supply 90-240Vac / 50-60Hz
· Exhaust gas sampling probe, flexible, 400 mm, with 2,7 m Viton sampling line and benzine on-line filter
· Infrared high speed thermal printer (without wall-plug charger and USB cable)
· Robust ABS transport case, with compartments for accessories


PC software MRU4win

for PC visualization of measured data


for wireless data transfer to notebook or MRU App "MRU4u" for smartphone or tablet

Exhaust gas flexible sampling probe

flexible, 400 mm, with 2,7m Viton sampling line and filter

Engine oil temperature probe

flexible tube, length 400mm


Speed printer

Infrared high speed thermal printer

ABS Transport Case OPTIMA7

with compartments for accessories

PTFE filterelement


Service & Cleaning kit SPECTRA/OPTIMA7

spare filter, fuses, probe cleaning brush, silicone, duster, etc.

Technical Data
Measuring range
HC 0 ... 20.000 ppm (as n-Hex)
CO2 0 ... 20,00 % (NDIR)
CO 0 ... 16,000 % (NDIR)
O2 0 ... 25 % (electrochemical)
NO 0 ... 1.000 / overload up to 5.000 ppm (electrochemical)
NO(x) calculated from NO
Engine oil temperature 0 ... 200°C
Air temperature 0 ... 100°C
Differential pressure ± 100 hPa
Calculated values
Heat losses qA 0 ... 99,9
P.E.F. propane equivalency factor
Dimensions and other data
Operating temperature +5 ... +45 °C, max. 95% RH. non condensing
Storage temperature 0 ... +50 °C
Data storage dynamic, up to 16.000 measurements
Interfaces mini-USB, SD, Infrared, Bluetooth (option)
Power supply high energy Lithium-Ion battery (approx. 8 h operation)
External power supply wall-plug grid power supply, 100-240 Vac / 50 ... 60 Hz
Protection IP 30
Weight approx. 750 g
Dimensions 110 x 225 x 52 mm (W x H x D)