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ECM1601 Combined Gas Analyzer & Smoke Meter

ECM1601 - Combined PUC Analyzer For Petrol/Diesel /CNG/LPG Vehicles

Features :-


Instrument is easily upgradable to measure concentration of 6 gases (NOx, SOx in addition to CO, HC, CO2 and O2).


WaterSense helps detect any water content from the sampling system into the Instrument and turns off the pump and stops suction thus prolonging the life of the instrument.


The accuracy of the NDIR sensor depends upon temperature factors. Any change in the temperature results in change in the measured values. AutoZero ensures to zero measured values for every 20 minutes by default, for every 2°C change in the temperature or before entering into the measurement mode thus ensuring accuracy of the data being measured.


Automatically performs leak-check before any measurement thus aiding user to identify leak if any. It also helps ensure accuracy of measurement.


Helps to switch on/off fans, pump, heaters etc automatically after the respective functions are performed thus increasing the life of the instrument.


Checks various functional parameters like HC-residue, warm-up, leak, low flow etc. Assists in detection of faults/failures like O2 sensor failure, NDIR sensor communication failure etc.


Switches off the display after 5 mins of inactivity thus reducing power consumption.


Equipped with an USB (as well as RS232) interface for easy communication. USB serves as a backup interface when RS232 interface fails. Moreover, present computers are not equipped with RS232 port.


Equipped with RPM sensors capable to measure engine RPM using Piezo/Battery/Acoustic/Vibration principles thus ensuring zero downtime.

Folded Geometry

Reduces the length of the smoke column by half its original length which makes the entire instrument compact and light-weighted.


Wireless remote based on bluetooth technology averts use of cables.


An optional wireless RPM sensor for smooth functioning.


Wireless dot-matrix printer for user-friendly operations.

Star Electronics Systems Remote

An android application to communicate between the instrument and any android mobile phone. App can be downloaded from Google PlayStore.


A Windows/Android application for vehicle emission tests. Emitso is 2way communication enabled thus helping operators use either the instrument or the PC while carrying out emission tests. Emitso can send SMS reminders to vehicle owners to renew their emission test certificate. Emitso can generate MIS reports for the use of PUC Centers.

Technical Specifications

Measured Parameters

Parameters Measurement Methodology Range Resolution Accuracy
CO NDIR 0-15% 0.001% ±5%
HC NDIR 0-20000ppm 1ppm ±5%
CO2 NDIR 0-20% 0.01% ±5%
O2 Electrochemical 0-25% 0.01% ±5%
NOx* Electrochemical 0-5000ppm 1ppm ±5%
SOx* Electrochemical 0-5000ppm 1ppm ±5%
HU Light absorption 0-99.99% 0.01%
K Light absorption 0-21.439m-1 0.001m-1 ±0.1m-1
RPM Battery/Magnetic 400-10000 10 ±2%
Piezo/OBD 400-10000 1 ±2%
OT RTD 0-150°C 1°C ±3°C
Lambda Calculated 0.2-2.0% 0.001% -
AFR Calculated 0-30% 0.01% -


Other Specifications

Operating Temperature 0-50°C
Measuring Gas Intake 1ltr/min
Response Time <5s
Linearity/ Repeatability /Drift ±0.1m-1
Warmup Time (≥25°C) <3minutes
Zero/Gas Span Calibration Automatic
Span Calibration Digital
Display Type Backlit LCD
Keyboard 3x4 Membrane Keypad
Power Supply 12V DC ± 1.2V OR 230V AC ± 20%
Power Consumption 75W
Leak Test Electronic
Dimension 480 x 170 x 260 mm (L x W x H)
Weight 8kg
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