Automotive Research Association of India
Research Institute of the Automotive Industry with the Ministry of Heavy Industries & Public Enterprises, Govt. of India
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Emission » Emission Certification Laboratory

Introduction
Chassis Dynamometer Test Facilities
Sealed Housing for Evaporative Determination (SHED)
Weighing Chamber
Central Gas handling system
Environmental Control System
Engine Dynamometer Test Facilities
Nano Particle Measurement Facility
Sealed Housing for Evaporative Determination (SHED)
Sealed Housing for Evaporative Determination (SHED) is used to measure evaporative emission from the gasoline 4-wheeler vehicles as per the Indian, ECE (EURO III & IV), EPA and CARB Regulations. SHED can also be used to measure evaporative emission from the gasoline 2/3 -wheeler vehicles as per CARB Regulations.

The specifications of SHED are
  VT / VV SHED
  Type VT87 + 15  ….. JU
  Volume 87.4813 m3
  Temperature range + 15  ……….. + 50° C
  Temperature Variation ± 1° C
  Air Volume Compensation
  Maximum volume increase 13 M3 (approximately)
  Maximum admissible pressure differential ± 100 Pa
  Temperature range + 15  ……….. + 50° C
  Temperature Variation ± 1° C
  Dimensions
  Interior vehicle access door (in mm) 2700 (H) * 3100 (W)
  Fuel  Conditioning Unit
  Temperature range + 5 to 40° C
  Temperature variation ± 0.5° C
  Test fuel tank capacity 200 litres
  Used fuel tank capacity 100 litres
  Canister Test Device
 
To precondition the canister by purging and loading up to breakthrough at a specified flow rate, as per the ECE, EPA and CARB test procedure.
  To determine the nominal working capacity of the canister.