Automated Soil Gas Flux Chambers

Description du marché

Lot 1, HIGH VEGETATION includes: A set including 3 opaque chambers and 3 transparent chambers (The chamber or a combination of offered chambers must be able to measure transparent and opaque. If the same chamber can be used for opaque and transparent measurements, the total number of chambers to be included is 3.) for a measurement set-up capable to measure soil gas fluxes in high vegetation up to 70 cm, 1 multiplexer, 1 datalogger and additional hardware required to form a GHG measuring system with analysers (analysers not included). Option 1: Lot 1 includes an option for Luke to purchase 5 pairs of opaque and transparent chambers (pair = 1 opaque and 1 transparent chamber) within the next four years. Option 2: Lot 1 includes an option for Luke to purchase 2 additional multiplexers within the next four years. Option 3: Lot 1 also includes an option for Luke to purchase an off-grid power supply capable to power system of minimum of 8 chambers with chamber types offered in lot 1 in addition to two trace gas analyzer (max combined power draw 130 W, steady state after warm up 44 W, analyzers accepts 10.5 to 33 VDC) in temperatures ranging from -5 to 40 °C. The tenderer is not required to offer this option.

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