Calibration Labs


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Flow Calibration
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Gas Meter Calibration
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Air Samplers
Noise Instruments
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Particulate Monitors
Indoor Air Quality
Miscellaneous IH Equipment
Gas & Vapor Monitors
Environmental Test Equipment
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Radiation Instruments
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Gas Meter Calibration


CIHE calibrates and verifies the performance of Indoor Air Quality instruments & Gas Monitors

Many of our gas calibrations use Dynacal® permeation tubes from VICI Metronics. Permeation tubes are small, inert capsules containing a pure chemical compound in a two phase equilibrium between its gas phase and its liquid or solid phase. At a constant temperature, the device emits the compound through its permeable portion at a constant rate.

Permeation devices are typically inserted into a carrier flow to generate test atmospheres for calibrating gas analyzer systems.