Home > Products > Analytical instruments > TH-2002H Ultraviolet UV fluorescence sulfur dioxide SO2 analyzer
TH-2002H Ultraviolet UV fluorescence sulfur dioxide SO2 analyzer
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Product Details
Brand Name: | TH | Place of Origin: | Shaanxi, China | Model Number: | TH-2002H |
Product Description
TH-2002H Ultraviolet UV fluorescence sulfur dioxide SO2 analyzer
Brief introduction
Ultraviolet fluorescence method is used in this instrument. Basic principle: zinc lamp emit ultraviolet and filtered for monochromatic light (wavelength of 214nm) and focus to SO2 reaction chamber, the SO2 gas absorption UV Light energy level transition, SO2 from the ground state to excited state, excited state SO2 is not stable, the instantaneous emission of the center wavelength of 330nm fluorescence, fluorescence intensity and SO2 concentration is proportional to the photoelectric multiplier tube will be transformed into electrical signal, thus measuring the concentration of SO2. In order to eliminate the measurement error caused by the fluctuation of the light path, two channels were used in the optical path, and the fluorescence intensity was measured by the way of the sample gas path.
Features
1. The 7 inch full color touch screen, the monitoring value can be arbitrary in ppb, ppm, g/m3, mg/m3 switch., easy to operate.
2. With automatic range conversion function
3. The monitoring value can be displayed graphically, and the graph curve can be scaled freely.
4. Automatic temperature compensation function
5. By using the adaptive optimization algorithm, the response time and SNR are the best.
6. Support for remote calibration, remote diagnostic internal operating parameters.
7. Massive historical data storage, query and output (5min).
8. With multi parameter alarm function
9. The intensity of the light intensity of the zinc lamp is monitored and compensated.
Technical parameter
Measurement method: ultraviolet fluorescence method
Range: 0~500 ppb (have 0~10,20,50,100,200 ppb or more optional range)
Error: 0.5%F.S
Zero noise: 0.5 ppb
Minimum detection limit: 1 ppb
Reproducibility: <1%
Linear: < ±1% F.S
Response time (T90): <120s
Zero drift: <1 ppb/24h
Span drift: < ±1% F.S/24h
Sampling flow: (650 ± 10%) mL/min
Digital output: RS232/RS485/USB/ Ethernet
Analog output: 0~1V 0~5V 0~10V 0~20mA 4~20mA optional
Working environment: temperature: 0℃~40℃
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