ASI Provides H2S On-Line Process Analyzer General Purpose ASTM Method Series 1100
 

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H2S On-Line Process Analyzer General Purpose ASTM Method Series 1100
 
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H2S Analyzer Features


 
H2S On-Line Process Analyzer General Purpose ASTM Method Series 1100
ASTM Approved Methods
Continuous Analysis
PPB, PPM, Thru % Ranges
Direct Read LCD
Dual Processors for 100% Analysis & Communication
Fault Diagnostics
18-Bit A/D Converter Allows Faster Response Lower Detectable Limits, & Less Tape Consumption
Cost-Effective
Automatic Calibration
General Purpose Configuration
Specific for H2S Only

Description

The petrochemical, gas processing, and gas pipeline industry has required an accurate and dependable, low maintenance and cost-effective H2S analyzer for quality and process control purposes. With over thirty years of experience in developing and manufacturing gas analyzers and associated parts and supplies, Analytical Systems International has met these requirements with their proven microprocessor based analyzer. This hydrogen sulfide analyzer or monitor provides continuous on-line process analysis based on the specific and interference free ASTM approved tape principle of operation. The process stream is regulated to 10 PSI. Then a precision flow meter regulates the sample flow and is humidified. Next, the sample is introduced to the specific lead acetate sensing tape that provides an output proportional to the concentration of H2S through the photodiode detector and LED light source optical system. This signal is digitized and analyzed by the advanced microprocessor and related software resulting in a linear 4-20ma output. The LCD display provides the current reading, any alarm condition, procedure prompts (i.e. calibration), and failure indicators. Quality materials are selected for compatibility and are utilized throughout the manufacturing process.
This reliable field proven analyzer system continuously and specifically quantifies the H2S level in the sample with minimal maintenance. The principle of operation is described in various ASTM methods include D4084-82, D4468-85, and D4045-81.

 
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