bids are invited for open top chamber otc -polycarbonate open-top structure , analog module for data logging and control option analog to rs485 converter , scada hmi software , air temperature sensors -rtd- with radiation shield , humidity sensor with transmitter , co2 monitor , co2 gas cylinders -standard , co2 manifold with 8 cylinders connecting capacity with individual preheated option and regulator , control panel , co2 distribution line , solenoid valve , cable tray with necessary support to be provided to lay cable from otc to control room instrumentation and power cable fiber glass cable for heater relay card dop module contactor rs 485 convertor etc , ceramic infrared heater with controller , installation, commissioning of projects, demonstration , warranty one year from the date of installation total quantity : 83