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Test & Calibration Equipment

In addition to reference method gas analysers, Signal Group also manufactures a full range of sample handling, calibration and test instruments; making Signal a one-stop-shop for emissions monitoring equipment.

  • 315 NMHC Cutter

    Signal Group’s 315 NMHC cutter provides the capability to measure methane and non-methane hydrocarbons only for clients with a standard heated flame ionisation detector (FID). An external non-methane hydrocarbon cutter...

  • 420 - NOx (NO2 TO NO) converter

    This compact 3 U high 19” rack enclosure houses both the NOx converter as well as a self contained heated filter and calibration gas selection valve. It is generally used...

  • NOxGen NOx Converter Efficiency Tester

    The NOxGen 3 allows instrument operators and manufacturers to check the converter efficiency of their Chemiluminescent NOx analyser. The unit is controlled by using two decade thumbwheel switches adjustable from...

  • 821S Gas Divider

    The Signal Group's 821S Gas Divider enables the users of gas analysers to test the linearity of their instruments – simply, quickly and accurately. The 821S has ten identical capillaries...

  • AS80 Zero air generator

    The AS80 Zero air generator is designed to provide an inexpensive source of clean, zero-grade air for flame ionisation detectors (FID). The unit removes all hydrocarbons, including methane, down to...

  • 410  - NH3 to NO Converter module

    This compact 19” rack enclosure houses either a NH3 to NO converter or NO2 to NO catalysts, as well as a self contained heated filter and calibration gas selection valve....

  • 320 Cutter

    The 320 Cutter provides a low cost alternative to “all in one” FIDs with a built in cutter. Housed in a portable case suitable for inline usage with portable and...

    • Select options This product has multiple variants. The options may be chosen on the product page

Ancillary Equipment​

In addition to reference method gas analysers, Signal Group also manufactures a full range of sample handling, calibration and test instruments; making Signal a one-stop-shop for emissions monitoring equipment; Heated sample handling units, Cooler dryers, Methane cutters, NO2 and NH3 to NO Converters and Test & calibration equipment.

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Get in touch to discuss our Ancillary Equipment.