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Chemisorption at semiconductors
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| Measurement principle: |
When combustible or reducing gases are absorbed by the surface of the sensor, the concentration of the test gas is determined by the change in conductivity. |
| Measuring ranges: |
ppm ranges up to 100% LEL |
| Measuring components: |
CH4, liquid gas, H2 and many others |
| Types of equipment: |
GTR 210, GTR 196, GWA 2000 |
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Heat Reaction
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| Measurement principle: |
Measuring the combustion heat at a fixed catalyst |
| Measuring ranges: |
from a few ppm to Vol% ranges |
| Measuring components: |
CO, CH4, NH3, C6H6, CnHm, and/or all combustible gases |
| Types of equipment: |
KM 2000 CnHmEM, GTR 210, GTR 196, GWA 2000, LCTR 903, LCTR 404 LON® |
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Thermal Conductivity
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| Measurement principle: |
Measuring the different thermal conductivity between test gas and reference gas |
| Measuring ranges: |
from 0-2 Vol% to 0-100 Vol% |
Measuring
components: |
CO2, H2, He and many others |
| Types of equipment: |
GTR 210, GTR 196, GWA 2000 |
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Electrochemical Reaction
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| Measurement principle: |
Measuring the electron flow produced by chemical reaction |
| Measuring ranges: |
from a few ppm to Vol% ranges |
| Measuring components: |
CO, O2, H2S, SO2, Cl2, HCl, NH3, NO, NO2 and many others |
| Types of equipment: |
TOX 592, GTR 210, GTR 196, GWA 2000 |
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Infrared Analysis
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| Measurement principle: |
Non-dispersive infrared analysis |
| Measuring ranges: |
from 0 - 3000 ppm to 0 - 100 Vol% |
| Measuring components: |
CO2, CO, liquid gas, CH4, CnHm and many others |
| Types of equipment: |
ITR 498, ITR 504, GTR 210, GTR 196, LCTR 903 |
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Gas Measurement and Gas Warning Sensors
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| Measurement principle: |
Chemisorption at semiconductors, Heat reaction, Thermal conductivity, Electro-chemical reaction, Infrared analysis |
| Measuring ranges: |
Chemisorption at semiconductors: |
ppm ranges to 100 % LEL |
| Heat reaction: |
from 0-5 Vol% to 0-100 Vol% |
| Thermal conductivity: |
from 0-1 Vol% to 0 - 100 Vol% |
| Electro-chemical reaction: |
from ppm ranges to Vol% ranges |
| Infrared analysis: |
from 0-3.000 ppm to 0-100 Vol% |
| Measuring components: |
O2, H2, CO2, CO, CH4, hydrogen chloride, helium, neon, propane, toluene, xylene and many others |
Types of
equipment: |
- Multitronik 592: modular constructed, universal measuring, control and warning unit for gas analysis, fully electronic versions or with gas intake, for sensors with 4-20 mA current interface or LON® interface (e.g. GTR 210, GTR 196, GWA 2000 Sensor, TOX 592, ITR 498, LCTR 903, LCTR 404)
- LON® Center 2000: compact measuring, control and warning unit for gas analysis, fully electronic version, for sensors with LON® interface (e.g. GTR 210, GTR 196, GWA 2000 Sensor, TOX 592, ITR 498, LCTR 404)
- GW 399: multi-channel gas detector system comprising central control units and remote sensors with 4-20 mA current interface (e.g. GTR 210, GTR 196, GWA 2000 Sensor, TOX 592, ITR 498, LCTR 903) functional testing for the explosion protection parts GW 399 / GTR 196 Ex
- MWS 906: multi-channel gas warning system 16 two-line or three-line sensors and max. 48 relays for alarms for the activation of further warning- and control-units (e.g. warning banners and signal horns)
- MWS 906 CP: multi-channel gas warning system16 two-line or three-line sensors up to 2 alarm levels, each with 6 relays (five alarm thresholds for each level, independently adjustable)
- MWS 903: Multi-channel gas warning unit for a total of 8 gas sensors and 12 floating change-over contacts (e.g. GTR 210, GTR 196, GWA 2000 Sensor, TOX 592 , ITR 498, LCTR 903)
- MWS 897: Multi-channel gas warning unit for a total of 6 gas sensors and 3 floating change-over contacts (e.g. GTR 210, GTR 196, GWA 2000 Sensor, TOX 592 , ITR 498, LCTR 903 )
- GWA 2000: single-channel gas detector with integrated sensor, or available as a remote sensor version with display.
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