Name of the equipment: Aethalometer Make & Model: Aerosol Magee Scientific & AE33 I-Stem Registration ID- 3245490 Category of Instrument Characterization Types of Analysis / Testing Characterization Application: Quality Monitoring, Health Effects, Climate Change Research, Field Measurement Projects, Emission Testing Description of Instrument Optical Analysis of BC with continuous collection of aerosol on filter and simultaneous measurement of attenuation of transmitted light at wavelengths 370, 470, 520, 590, 660, 880, 950 nm.
Book through I-STEM: https://www.istem.gov.in/ Slot Booking Link I-STEM Slot Booking link for External User	Booking available for Internal and External Both Requisition form for Internals Externals

Faculty In-charge: Dr. M K Ravi Varma Email ID: r.varma@nitc.ac.in Phone number:  +91-9544106752	Technical Staff: Devamanas Xavier Email ID: devamanasxavier@nitc.ac.in	Department: Physics Department Office Email ID physics@nitc.ac.in Location Applied Optics and Instrumentation Lab Lab Phone No ……………………………….

Features of the equipment ✔ The Aethalometer collects and analyzes aerosol particles continuously. ✔ Two sample spots are collected from the same input airstream with different accumulation rates and analyzed simultaneously. The analysis is made at 7 optical wavelengths spanning the spectrum from 370 nm to 950 nm.	Unique features/Measurement capabilities, if any ➢ Real time/ online TC/BC/EC/OC and BrC analysis with Carbonaceous Aerosol Speciation System ➢ Dualspot measurement method, multi wavelength,operation, remote access, reliable and high quality data
Instrument Technical Description and Major Specifications (This Specifications Limited to Major 5) ▪ Supply voltage: 100-240 V~, 50/60 Hz ▪ Max power consumption: 90 W. Typical power consumption: 25 W ▪ Measurement wavelengths: 370, 470, 520, 590, 660, 880 and 950 nm ▪ Air flow: set-points of 2, 3, 4 and 5 LPM	Measurement/Sample specifications: Air Quality Monitoring, Health Effects, Climate Change Research,Field Measurement Projects, Emission Testing ·

● Quantity: Aerosol Sample with maximum 5 lpm air flow

● Sample Type: The aerosol-laden air stream is drawn through a spot on a filter tape at a measured flow rate

● Pre-preparation: Nil

● Indoor or sheltered use only: the AE33 is not weatherproof.

● Altitude: up to 3000 m with an internal pump. Increased flow at very high altitudes possible with the external pump on request.

● Temperature range: 10 – 40 degrees Celsius (instrument)

● Relative humidity range: non-condensing. Note that it is essential to prevent condensation of humid outdoor sample air if the instrument is located in a chilled (air-conditioned) environment.

● Type of Samples to be Analysed -  The aerosol-laden air stream

● Maximum No. of Samples Accepted at a Time: Aerosol Sample with maximum 5 lpm air flow, minimum integration time 1 second.

● Minimum No of Days Required for result: Real time.

Maximum time per day: Continuous Monitoring throughout the day is possible

Internal	External Academic Institutes	National R&D Lab	Industry
100/- per day for student project Or 1000/- per day for sponsored R&D project + filter consumable charges + applicable operator expenses	1000/- per day + filter consumable charges + applicable operator expenses	1000/- per day + filter consumable charges + applicable operator expenses	3000/- per day + filter consumable charges + applicable operator expenses