Model 2120XL​​​

​In many argon or helium gas supply systems, the detection of trace nitrogen (N₂) is essential in determining system integrity. The Model 2120XL is the new standard in this critical measurement. It provides continuous and accurate nitrogen analysis using field-proven emission spectroscopic technology in a space-saving 19” rack-mount 3U package.

Unique Design

The 2120XL’s unique design raises the bar for reliability available on the market. It uses a menu-adjustable, digitally controlled sample flow for all applications. During operations, the 2120XL allows for a wide range of pressures without affecting readings with a low overall sample flow requirement. Its plasma emission detector design is based on a unique Duty Cycle Controlled System which dramatically reduces contamination and coating inside the plasma cell, offering a more efficient, reliable and accurate analyzer than any other system available.

Non-Consuming Sensing Technology

The 2120’s non-consuming sensing technology requires no regular maintenance or replacement intervals, providing ultra-low detectability without the maintenance overhead of similar high-performance systems. Even when maintenance is required, the 2120XL offers ease of access to all internal  components which minimizes down time. A new design and specialized components also minimizes necessary volume for purge-down time.

Microprocessor-Based Electronics

The 2120XL operates with microprocessor-based electronics utilizing 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 support a wide dynamic operating range. The 2120XL also offers a full diagnostics suite including a display of raw millivolt signal for troubleshooting.

Electronics/Interface

• Microprocessor-based electronics

• User-settable ranges

• 4-20 mA isolated analog output

• Self-diagnostics with Form-C system alarm contact

• Two (2) fully programmable concentration alarms with Form-C contact

• Range Identification: Form-A contacts and 0-1 VDC

• RS-232 bi-directional serial output

• Digitally-settable flow rate

• Optional integral auto-calibration valve manifold

• Profibus DP communications option when used in conjunction with TAI Valve Box
  
  

Optional Equipment

• Moisture trap (TAI P/N S1766)

• Scrubber for purification of zero gas (TAI P/N S1748)​

• Three user-settable ranges, default 0-1, 0-10, 0- 100 ppm

• Modular design with removable top for easy access to all components

• Proven plasma emission detector with Duty Cycle

• Controlled system minimizes maintenance and offers continuous detection with 5 ppb lower-detectable limit

• No switching valves, column or carrier gas required

• Integral digital sample flow control

• 19” rack mount with 3U form factor
  

• Microprocessor-based electronics with menu-driven functionality and diagnostics

• 5-digit LCD display for easy-to-view concentration and 2x20 vacuum fluorescent display for menu functions

• 0-1 VDC and 4-20mA (isolated) analog outputs

• 0-1 VDC and Form-A contacts for Range Identification

• RS-232 bi-directional serial output

• Form-C contacts for system alarm and two user-configurable concentration alarms

• Power: 100-240 VAC, 50/60 Hz​

• Air separation unit
  

• Cryogenic truck loading station
  

• Specialty gas laboratories
  

• Process control

• Argon purification plant
  

• Steel industries
  

• Chemical plants

• Welding gas control

• Helium liquefaction plants
  

• Gas management system
  

• Semiconductor manufacturing
  

• Quality control for truck fills and gas cylinders