Description
FEATURES
- Fullfills the requirements of the latest EN-Norms especially in respect to the linearity check
- Exceeds the US EPA requirements
- Measurement methods according to international standards
- Microprocessor controlled with touch screen LCD display
- Precision of span gas concentration : better than 1%
- Linearity of span gas concentration : better than 1%
- Multipoint Calibration : 8 individually adjustable cycles, each with up to 20 calibration points
- Each calibration cycle runs also automatically
- Both 19” rack mounted version or Portable version
- Options:
- Additional mass flow controllers ( max. 8 )
- Ozone oven for the calibration of Ozone analyzers and / or Gas Phase Titration (GPT)
- Internal zero gas calibration system
- Permeation oven
SPECIFICATIONS
Principle of test gas production | via dilution |
Accuracy | <±2% reproducibility |
Optional: O3 generation | Internal O3 via a UV tube in a thermostatically controlled enclosure Maximum concentration ±500ppb at 1l/min |
Temperature | From 40°C to 75°C adjustable Preset 70°C for UV chamber |
Regulation | via PD controller with PT100 sensor |
Accuracy | 0,1°C |
Setting the target temperature / optional | via HMI (Human Machine Interface) |
Display of actual temperature / optional | On the HMI |
Gas flow control calibration gas | 1x Digital Thermal Mass Flow Controller (MFC) for standard flow Optional: 2x Digital Thermal MFCs for dynamic flow |
Gas flow control dilution air (zero gas) | 1x Digital Thermal MFC |
Accuracy of the MFC | ± 0,8% of current value plus ± 0,2% of FS |
Reproducibility of MFC | <0,2% of reading |
Pressure sensitivity | 0,1% /bar, typical for N2 |
Inlet pressure | 2bar |
Flow range calibration gas | 5-50ml/min and 25-250ml/min |
Flow range zero gas | 0,08-5l/min |
Control time for 98% value at maximum set point jump | 3 to 5 seconds |
Stability control | <±0,1%FS |
Warm-up time for best result | 30min |
Flow display | via HMI |
Housing | 19″ Rack, 3HU |
Display / Operation | via HMI Touch sensitive LCD screen on the front panel (640×480 pixels) |
No. of Inlets | Depending on the configurtion, 1x to 8x max. |
Test gas cylinder inlet connection | Swagelok 3mm |
Test gas outlet connection | 6mm screw PVDF |
Zero gas connection | 6mm screw PVDF |
Power supply | 110-230V, 50-60Hz |
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