Tailored specifically for the operations of air separation unit (ASU) plants, the Plasma provides precise, exceptionally stable, and dependable measurements, exhibiting high sensitivity with standard ranges from 100 ppm down to as low as 1 ppm.
Overview
Get Unmatched Stability
Utilizing advanced, patented Plasma Emissions Detector (PED) sensing technology equipped with a sophisticated micro-processor platform for exceptional stability and selectivity, the Plasma ensures ongoing monitoring of N2 in pure Ar.
The Plasma integrates high stability performance with versatility, offering an analytical solution that fulfills the requirements of process control and quality assurance in cryogenic air separation and gas bottling applications.
An Adaptable, Zero-Maintenance Solution
The Plasma provides a versatile solution tailored to specific application needs, offering a selection of three measurement ranges in either a standard or high purity mode, along with an automatic range adjustment feature for optimal output resolution.
The Plasma requires no maintenance and allows for improved device interaction, with optional RS232 ACSII support. This culminates in an analytical solution that excels across all dimensions.
Performance and Accuracy the User Can Rely On
When operating in cryogenic air separation or gas bottling facilities that produce argon, it is essential to have an analyzer that provides dependable, precise, and continuous monitoring of nitrogen. The device should be easily configurable to meet your specific needs, offering the capability to monitor trace nitrogen in argon with optional internal autocalibration features.
Regardless of the application, it is also important to have a device that reduces ongoing expenses and facilitates extensive remote interaction via your chosen communication platforms. Servomex firmly believes that users do not have to make any compromises.
A No-Compromise Solution
The Plasma represents the most stable continuous N2 in Ar and trace N2 impurity measurement analyzer currently available. Featuring a straightforward setup that allows for the configuration of three range options, this analyzer is tailored to meet the specific application requirements. Additionally, the Plasma improves safety and minimizes potential downtime through its fault alarm and contact alarm functionalities.
Maintenance-Free Affordability
The Plasma offers remarkable affordability that complements its precision and measurement stability, without necessitating ongoing maintenance. The capability to remotely engage with this analyzer via a network connection adds further value by enabling off-site troubleshooting and parameter verification. This significantly reduces the total cost of ownership, enabling users to achieve substantial savings compared to similar devices.
Features and Benefits
Discover the benefits of Plasma Sensing
The Plasma provides precise and dependable PED monitoring of nitrogen in cryogenic air separation and gas bottling facilities.
Wide Measurement Range
Nitrogen concentration measurements in the ranges of 0-1 ppm, 0-10 ppm, and 0-100 ppm can be obtained from the Plasma, with the option to request higher ranges.
Flow Control for Stability
An electronic flow control system ensures the Plasma operates with minimal flow consumption while achieving optimal reading stability.
Electrical Safety Compliance
The Plasma adheres to the safety standard IEC 61010-1: Ed 3, and is in compliance with Low Voltage, EMC, and relevant Directives.
Unrivalled Performance
- PED sensor technology employs a sophisticated microprocessor to achieve unparalleled reliability and gas-specific selectivity
- Produced by Servomex, which boasts over 70 years of expertise in advancing gas analysis, with thousands of units operating in the field annually
Flexible
- Created for cryogenic air separation, gas bottling applications, or specialized gas laboratories that necessitate the continuous monitoring of N2 in Ar and high-purity N2 assessment
- Control of the External Valve Box (through RS232)
- Three measurement ranges equipped with an automatic range switching feature to ensure optimal output resolution
Easy to Use
- Engineer-friendly, straightforward operation with simple installation
- Simplified setup via pre-configured range options
Low Cost of Ownership
- The high precision of PED sensing delivers unparalleled reliability, thereby enhancing device uptime and improving process efficiency
- This maintenance-free solution results in significant ongoing cost savings
Benchmark Compliance
- Electrical safety according to IEC 61010-1
- In accordance with Low Voltage, EMC, and relevant Directives
Specifications
The Plasma is engineered for the specific needs of continuous monitoring of trace levels of nitrogen in argon and helium.
Source: Servomex
| Gas |
Measurement |
| Nitrogen (N2) |
ppm |
Technologies
Certifications
- In compliance with Low Voltage, EMC, and applicable Directives
- Electrical safety to IEC 61010-1: Ed 3
- Installation Category II IEC 60664-1 Pollution Degree 2 IEC 60664-1
Schematics

Image Credit: Servomex
Size
461 mm (18.1”) Wide × 132 mm (5.1”) High × 484 mm (19”) Deep
Weight
15 kg (33 lbs)
Typical Applications
Air separation units (ASU)