TG DISPLAY

HELIUM & ARGON CONCENTRATION METER

HELIUM & ARGON CATHAROMETER

The TG DISPLAY is a catharometer-type concentration meter for helium and argon, mainly used for so-called “enclosure” (hood) leak testing.

In the same range:

For helium or argon concentration measurement in a fixed installation, with sampling or continuous measurement, the MCB 97T3 is the 19″ rack catharometer concentration meter with ATEX cell, 0–1 V analog output and extended measurement range from 0.1% to 100%. For helium or argon leak detection and location (rather than concentration measurement), the TG EXPERT is the suitable catharometer leak detector.

Concentration reading from 1% to 100%.
Non-saturating thermal conductivity measuring cell.
3-digit digital display.

2 calibrations:

Pre-calibrated for helium and argon, with selector button.
Other calibrations available on request.

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Functions	Helium/argon gas selector. Manual zero by push-button.
Display	3-digit digital display.
Cell	Non-saturating thermal conductivity measuring cell.
Detected gases	Helium, argon, other gases on request.
Sensitivity	Direct measurement of gas concentration from 1% to 100%.
Battery life	6–8 h
Power supply	Built-in rechargeable batteries. Charging time around 12 hours.
Delivered with	Supplied complete in a carrying case with mains charger and user manual.
Option	n/a

Usage tips

Leak rate correction: in an enclosure (hood) test, the leak rate measured with the mass spectrometer must be corrected for the actual helium concentration in the enclosure. The accuracy of this concentration measurement has a direct effect on the result.

Monitoring the concentration: the gas concentration in the enclosure changes during the test. It is measured before and during the test, where the air remains longest: at the bottom for helium, at the top for argon.

Binary mixture: the calibration is valid for the gas pairs for which the instrument is calibrated: helium/air and argon/air. The presence of another gas in the mixture can distort the concentration measurement.

Combustible gases: as the instrument is not explosion-proof, it must not be used to measure the concentration of a combustible gas such as hydrogen.

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TG DISPLAY

HELIUM & ARGON CONCENTRATION METER

HELIUM & ARGON CATHAROMETER

In the same range:

Usage tips

IN THE SAME CATEGORY

OX DISPLAY

MCB 97T3