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ATOMIC ABSORPTION MERCURY ANALYZER AZA1344A
The AZA1344A Atomic Absorption Mercury Analyzer is a laboratory gas-phase mercury analysis instrument designed for sensitive and reliable measurement of mercury concentration. The system complies with the Mercury Measuring Instrument Standard and incorporates a stable optical system, automated gas-flow control, and constant-temperature absorption cell technology.
The instrument maintains excellent baseline stability and provides reliable short-term and long-term measurement accuracy. Its constant-light optical path helps compensate for changes in the light source, improving long-term measurement stability.
A microcontroller automatically controls the solenoid valve to switch between the measurement state and cleaning state. During measurement, the system operates as a closed-loop gas path, while the cleaning process uses an open-loop gas path, facilitating efficient pipeline cleaning and stable measurement results.
The mercury gas continuously passes through the absorption cell, allowing measurement data to be obtained approximately every 2 seconds.
Description
Key Features
- Excellent baseline stability
- High short-term and long-term measurement accuracy
- Two-point calibration capability
- Direct concentration reading
- Suitable for gas, liquid, and solid samples
- Constant-light optical path for improved long-term stability
- Constant-temperature absorption cell for stable measurement
- Automatic solenoid valve switching through microcontroller control
- Automatic adjustment of cleaning gas flow
- Fast measurement response
- Does not require argon or nitrogen as carrier gas
- Suitable for laboratories where argon or nitrogen supply is unavailable
- Easy pipeline cleaning and maintenance
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Principle | Atomic Absorption Spectrometry |
| Measurement Range | 0.1–100 µg/m³ |
| Detection Limit | 0.03 µg/m³ |
| Precision | Coefficient of Variation ≤ 5% |
| Linearity | Correlation Coefficient r > 0.997 |
| Relative Standard Deviation | < 5% |
| Measurement Interval | Approx. 2 seconds |
| Calibration | 2-Point Calibration |
| Sample Types | Gas, Liquid and Solid |
| Carrier Gas Requirement | No Argon or Nitrogen Required |
| Optical System | Constant-Light Optical Path |
| Absorption Cell | Constant-Temperature Type |
| Gas Control | Microcontroller-Controlled Solenoid Valve |
| Measurement Gas Path | Closed-Loop |
| Cleaning Gas Path | Open-Loop |
| Gas Flow Control | Automatic Adjustment |
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