External Calibration

Calibration system with permeation tubes Designed for automatic validation of results

  • Model: External Calibration
  • Manufacturer: Chromatotec

Complete system for sulfur and VOC analysis. Calibration systems with permeation tubes are used to provide automatic data validation and to ensure a good stability of the analytical solution.



Same calibration as XXX931 but outside the analyser.

The permeation tube, swept by a constant stream of pure gas (constant output which can be modified thanks to the pressure regulator), is installed in an oven regulated in temperature outside the analyzer and delivers a constant concentration of standard.

This feature allows validating all the analyses.

The gas of dilution used may be nitrogen or zero air (continuous output 50 ml / min and in dilution 300mL / min). In the sequence we program analyses and calibrations.

The electric gate of switching is included with a permeation tube (Benzene or DMS in standard).

A rotameter indicate the total dilution flow value used as working standard.

Example :

CALIB: Sample generated one permeation oven containing certified permeation tubes (e.g.: N-Butane, N-Hexane, Benzene, H2S, DMS…). One permeation tube is delivered in standard with the calibrator. Other permeation tubes are available upon request ; a maximum of 4 tubes may be placed in one permeation oven.

Ambient air: Sample from the analyzer (ambient air)


Permeation tubes: N-Butane, N-Hexane, Benzene or DMS in standard and short delivery time
H2S, Mercaptans, Toluene, Xylenes… upon request
Cycle Time : Depending on the analyzer or required sensibility
Gas supply: Air zero or nitrogen for dilution
Power supply : – Main (230V / 115V 50 Hz/60Hz)
Electrical consumption : Average : 50 W

Peak : 100 W

Dimensions : – Width: 140 mm
– Depth: 340 mm
– Height: 220 mm
Weight : 2 kg without package
To order: Model:
External calibrator oven with 1 permeation tube in the own box XXX939

TSP External calibrator


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