Controlled exposure. Measurable response.
Controlled VOC dosing
An integrated benchtop platform for controlled gas and VOC sensor testing—from concentration calculation and heated exposure to real-time electrical characterization and sensor recovery.
Heated glass chamber
Real-time measurement
Recovery cycling
Complete the sensing experiment
without assembling every subsystem.
One integrated platform
Schnaiffer combines the essential hardware and workflow required for repeatable sensor exposure, measurement and recovery—allowing researchers to concentrate on sensing materials, device performance and experimental data.
04 / REOVER
Flow and Recovery
Restore the baseline and repeat exposure-recovery cyclesa
01 / CONTROL
Defined VOC dosing
Calculate and introduce the required liquid analyte quantity
02 / EXPOSE
Heated test chamber
Mount and expose the sensor under controlled temperature
03 / MEASURE
Electrical Characterization
Monitor resistance, capacitance, impedance, voltage or current
One Platform:
Complete Sensing Experiment Done
Controlled Exposure. Temperature Regulation. Real-Time Sensor Characterization.
Schnaiffer’s VOC Sensing Test Setup is an integrated benchtop platform for controlled gas and VOC sensor testing.
It combines:
Heated glass chamber • VOC dosing • Sensor mounting • Temperature feedback • Electrical connections • Flow control • Recovery pump • Concentration calculator
The platform reduces the need to assemble separate experimental components, allowing researchers to focus on sensing materials, device performance and measurement data.
Experimental Workflow
Set concentration → Calculate dose → Inject VOC → Monitor response → Recover sensor → Repeat
Suitable for material development, sensor calibration, exposure–recovery studies and comparative characterization.
Controlled VOC Exposure and Temperature
Generate Defined ppm or ppb Test Conditions
The VOC concentration calculator determines the liquid injection volume required for a selected analyte, chamber volume, target concentration and experimental temperature.
The calculated quantity is introduced through the dedicated VOC inlet using a microsyringe.
Multi-Port Heated Glass Chamber
Independent chamber ports support:
Pump inlet — airflow and recovery
VOC inlet — controlled syringe injection
Temperature feedback — thermocouple or RTD connection
Pump outlet — recovery or exhaust line
The integrated heating and feedback system supports adjustable-temperature testing, repeatable exposure conditions and temperature-dependent sensor characterization.
Custom configurations can support humidity introduction, additional gases or auxiliary probes.
Sensor Mounting and Electrical Measurement
Test the Sensor Inside the Actual Exposure Environment
The sensing device is mounted on an electrically insulating ceramic stage inside the glass chamber. Electrical connections are routed outside for real-time measurement during VOC exposure.
Compatible Sensor Technologies
IDE sensors • Metal-oxide sensors • Thin-film sensors • Polymer sensors • Nanomaterial sensors • Chemiresistors • Capacitive sensors • Impedance sensors • Customer-fabricated devices
Measurable Electrical Parameters
Resistance • Conductance • Capacitance • Impedance • Voltage • Current
The setup can interface with a digital multimeter, LCR meter, impedance analyzer, source-measure unit or dedicated sensor-interface module.
This modular architecture allows researchers to select the measurement instrument according to the sensor’s transduction mechanism.
Sensor Performance Characterization
Move Beyond Simple Response Detection
The platform supports systematic evaluation of:
Response versus VOC concentration
Response and recovery time
Operating-temperature dependence
Repeatability and cycling stability
Selectivity between different VOCs
Sensitivity and calibration behaviour
Baseline stability and drift
Comparison of sensing materials
Research Applications
Gas sensor research • VOC sensor development • Nanomaterial characterization • Environmental monitoring R&D • Electronic-nose development • Breath-biomarker research • Academic teaching
The setup can be combined with Schnaiffer interdigitated electrode substrates to create a complete sensor-development workflow:
IDE substrate → Sensing-film deposition → Device mounting → Controlled exposure → Electrical characterization → Performance evaluation
Schnaiffer VOC Sensing Test Setup: One integrated platform—from controlled vapor generation to measurable sensor response.
