The hydrogen sensor continuously detects the hydrogen proportion of the GC oven air. LEDs signal an increasing hydrogen concentration. If this concentration exceeds the limits, optical and acoustic alarms and the switch to inert gas will eliminate any risk of explosion.
The Hydrogen Sensor can fully be integrated in Agilent 6890/7890 GCs (fig. on the left and right, LEDs in front panel). For all other GC models, the sensor is available as external device (fig. in the middle) |
| | | | 6890 GC with integrated H2-Sensor | external H2-Sensor | 7890 with integrated H2-Sensor |
Function
• | Sensor configuration:
Sensor head / control unit with LEDs, optical and acoustic alarm / gas switching module | • | Hydrogen concentration exceeds lower limit ( 10 % of the lower explosion limit, LEL):
first red LED lights up, audio warning | • | Hydrogen concentration exceeds upper limit ( 25 % of the LEL resp. 1 % by vol. H2)
alarm signal sounds, automatic switching to inert gas |
Article | Order No. |
|
| Integrated H2-Sensor for 7890 GC with Optical/Acoustic Alarm | HS 1000 78 90 | Carrier Gas Change-Over Switch for Integrated H2-Sensor (7890 GC) | HS 1100 78 90 | Integrated H2-Sensor for 6890 GC with Optical/Acoustic Alarm | HS 1000 68 90 | Carrier Gas Change-over Switch for Integraded H2-Sensor (6890 GC) | HS 1100 68 90 | | | | External H2-Sensor incl. Carrier Gas Switch (installation kit not included) | HS 1000 10 00 | | External Installation Kit for Varian GC 3800/3900 | HS 1200 10 00 | | External Installation Kit for Agilent Headspace Sampler | HS 1200 18 88 | | External Installation Kit for Shimadzu GC 2010/2014 | HS 1200 20 00 | | External Installation Kit for Trace GC | HS 1200 30 00 | | External Installation Kit for Chrompack GC | HS 1200 40 00 | | External Installation Kit for Clarus 600 GC | HS 1200 50 00 | | External Installation Kit for Agilent GC 5890 | HS 1200 58 90 | External Installation Kit for Perkin Elmer Auto System | HS 1200 60 00 | | External Installation Kit for Agilent GC 6850 | HS 1200 68 50 | | External Installation Kit for Agilent GC 6890 | HS 1200 68 90 | | External Installation Kit for Agilent GC 7890 | HS 1200 78 90 |
Brochure Hydrogen Sensor (765 KB)
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