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Sampling System Solutions
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Steam Engineering
Trace / Percent Oxygen Analyzer
Model 3000ZA2G combines the reliability, flexibility and ease of use of the 3000 platform with the dynamic functionality of zirconium oxide (ZrO2) sensing technology to offer a perfect solution for universal oxygen monitoring in inert gas applications.
Zirconium Oxide
This unit has a non-consuming, solid state sensor. Under high temperature, the difference in oxygen partial pressure between the measuring and reference surfaces will create a millivolt differential logarithmically proportional to the difference in PO2. An instrument air reference is used in this unit and the electronic circuitry conditions in the voltage differential and uses an integral microprocessor to provide a volumetric reading and other electronic functionality.
Microprocessor Based
The units microprocessor-based electronics utilize menu-driven functionality. Users are provided a large luminescent LCD display and 2 x 20 vacuum fluorescent displays to show all menu functions and parameters. A preamplifier with multiple stage gains supports a wide dynamic operating range with reliable performance.
The System
• Microprocessor based electronics
• User-selectable ranges
• 0-1 VDC and 4-20 mA (isolated) analog outputs
• Self-diagnostics with Form-C system alarm contact
• Two fully programmable concentration alarms with Form-C contact
• Range Identification: Form-A contact and 0-1 VDC (4-20 mA optional)
• RS-232 bi-directional serial output
• Profibus DP communications option when used in conjunction with TAI Valve Box
• Long-life, solid-state zirconium oxide sensor provides complete O2 analysis range with no maintenance and fast response time
• 316SS sample system as standard
• Three (3) user-settable ranges, 0-10 ppm to 0-25% Oxygen
• Five (5) digit LED display for O2 concentration and 2 x 20
• Programmable auto-ranging or fixed range analysis
• Analog outputs: 0-1 VDC and 4-20mA (isolated) + 0-1 VDC Range identification
• Full duplex RS-232 digital communications
• 4 x range identification contacts, Form-A normally open contacts, 3A resistive
• 1 x system alarm with Form-C contacts, 3A resistive
• 2 x fully-configurable concentration alarms with Form-C contacts, 3A resistive
• Auto-calibration and remote-calibration capability with integral auto-cal valve option or to control
• Power: 110 VAC or 220 VAC (user to specify), 50/60 Hz
• Nylon cell block
Area Classification | General purpose bulkhead mount |
Sensor | Class L-2C, two year life expectancy |
Ranges | Three user-definable ranges (Min: 0-10 ppm FS) |
Alarms | One system failure alarm contact to detect power, calibration, zero and sensor failure |
Accuracy | ± 1% FS at constant temperature |
Sensitivity | 0.5% of FS |
Displays | One LCD screen for setup |
Power | 110 to 220V (user specified), 50/60 Hz |
Operating Temperature | 32° to 122°F (0° to 50°C) |
Output | Signal: Analytical measurement: 0-1 VDC and 4-20 mADC isolated |
Response Time | 99% of FS at 77°F (25°C) < 61 seconds |
Dimensions | 11.81″W x 20.28″H x 8.9″D |
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