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Ultra Violet Ion Mobility Spectrometer
Ultra Violet-Ion Mobility Spectrometer
Sensitive Detection of Gaseous Volatile Organic Compounds (VOCs)
The UV-IMS offers excellent features for fast and sensitive detection of gaseous traces of VOCs, especially aromatic compounds and an outstanding linear range of up to 4 orders of magnitude. Results are typically available within seconds and in the ppbv-range. Its modular concept and accessibility of parameters allows to configure and fine-tune the device according to the specific analytical measurement assignment.

Quality control

Residual solvents


Alternative GC detector

Stand-alone unit with integrated computer
Operation mode: open system using external gas supply
Sampling: direct inlet, membrane inlet system, or electrical six-port-valve with sample loop
Temperature control for membrane inlet system and six-port-valve (Up to 80C)
Access to all relevant parameters for method development
Internal pump for continuous sample introduction

Manual or fully-automatic operation mode including data acquisition, -analysis, visualization and transfer to external devices


Storage of data on internal memory or external network shares
Adaptable to external devices (Gas chromatograph, auto-sampler etc.) with automated start via trigger

Working principle Ion Mobility Spectrometry (IMS)
Ionisation -radiation source (Tritium (3H))
Activity 300 MBq, hence below exemption limit of 1 GBq according to the EURATOM guideline
Drift voltage polarity Positive and negative, switchable
Sampling Direct, membrane or electrical 6-port-valve
Range Semi-quantitative, typically low ppbv
Dynamic range 1-3 orders of magnitude

6.4" TFT, VGA-Display

Input unit Rotary pulse encoder
Processor 400 MHz X-scale
Data acquisition Ultra-fast ADIO-board
Data processing X-board/ Baseboard
Data storage

2 GB Compact-Flash

Communication RS232, USB, Ethernet
Electrical connectors 2 x D-Sub 9-pole (For modem, console), D-Sub 15-pole (For external devices), RJ45 (For digital modem or SSH), 2 x USB-A
Power supply 240 V AC, 50 Hz (External supply), 24 V DC/ 5A, XLR-connector (Internal)
Power consumption < 180 Watt
Housing 19" compatible, IP 20 enclosure and EMC certificated
Cooling Axial ventilator, temperature controlled, maximum 5.5 m per hour
Gas connectors 3 mm stainless steel Swagelok connectors for gas in- and outlet
Dimensions W 449 x D 375 x H 177 mm
Weight 13 kg
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