Teledyne 3000RS Series Oxygen Analyzer – Online O2

Overview

The Teledyne 3000RS Series from Teledyne Analytical Instruments is a compact online oxygen analyzer used for trace and percent level oxygen measurement in process gases. The instrument is available in a bench-top configuration or as a 19-inch rack mounted unit, with up to four analyzer units accommodated in a single 3U chassis. The 3000RS is engineered as a standalone measurement station: the analyzer is supplied with an integral sample conditioning arrangement so that it can be connected directly to the process sample line and provide a stable measurement immediately.

The 3000RS is built for quick installation and commissioning, with the optional multi-channel rack configuration allowing several sample streams to be measured in a single 3U chassis. The analyzer family is backed by Teledyne application engineering for sample system design in refinery and chemical service.

Engineering and Design

The front panel of the 3000RS carries a 3.5 inch touchscreen color LCD that presents the measured oxygen concentration, alarm states and instrument status, and provides menu-driven configuration of ranges, alarms and outputs. The analyzer includes an integral MEMS flow sensor which monitors sample flow through the cell, allowing the instrument to report flow status without an external rotameter. The wetted path is built with 316 stainless steel tubing and fittings, giving the instrument the chemical compatibility required for demanding sample streams.

The 3000RS is based on the company’s proven electrochemical or trace oxygen sensing technology, with the analyzer package designed for rapid installation and commissioning in analyzer houses, panel rooms and racks. Because up to four units fit in one 3U rack chassis, a multi-stream analyzer system can be assembled in a small footprint, with each channel providing independent ranges, relays and analog outputs. The compact footprint and low utility consumption make the unit suitable for retrofitting into existing analyzer cabins.

The 3000RS is built for quick installation and commissioning, with the optional multi-channel rack configuration allowing several sample streams to be measured in a single 3U chassis. The unit’s integral flow sensor and touchscreen remove the need for additional local instrumentation at the analyzer, and the alarm and output options interface directly with plant control and DCS systems. The wetted 316 SS path suits a wide range of process gas duties. For oxygen purity and process control duties the 3000RS provides reliable measurements with the traceable calibration features documented by Teledyne, and the analyzer can be checked against span gas without interrupting normal operation.

Key Features

• Bench-top or 19-inch rack mounting (up to 4 units per 3U chassis)
• 3.5 inch touchscreen color LCD
• Integral MEMS flow sensor for sample flow indication
• 316 SS tubing and fittings in the wetted path
• Menu-driven configuration of ranges and alarms
• Compact footprint for analyzer house and panel retrofits

Applications

The 3000RS is applied for continuous oxygen measurement in refinery, petrochemical, natural gas, steel and power plant applications, including analyzer houses and process panels. Typical duties include monitoring oxygen in blanketing and purge gas, product streams, combustion trim on fired heaters, and purity checks on industrial gas production.

Specifications

Why Seven Star LLC

Seven Star LLC supplies Teledyne 3000RS Series oxygen analyzers for analyzer houses and process panels in Oman and the GCC, including rack configurations and spare parts for existing installations.

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Selecting the Right 3000RS Configuration

The 3000RS family covers both trace and percent oxygen duties, so the first step is to define the measurement clearly. Useful information to prepare includes the background gas composition, the normal and maximum oxygen levels, the sample pressure and temperature at the take-off point, any corrosive or condensable components, and the number of streams to be measured. Decide early whether a bench-top unit or a 19-inch rack chassis suits the analyzer house, and whether several channels should share one 3U chassis. Output and alarm requirements for the DCS should also be listed so that each channel is ordered with the right configuration.

Installation and Commissioning

• Keep sample lines short and use clean stainless steel tubing to limit response time and avoid oxygen ingress through fittings
• Leak-test the complete sample path before start-up; on trace measurements even a small leak will raise the reading
• Set the sample flow and confirm it on the integral flow indication
• Purge the cell and allow the reading to settle before the first calibration
• Carry out zero and span checks with certified gases suited to the selected range
• Loop-check the analog outputs and alarm relays with the control system

Maintenance and Troubleshooting

Routine care of a Teledyne 3000RS analyzer centres on the sensor and the sample system. Span checks at a regular interval show sensor health and give early warning of end of life. Readings that are slow to fall, or that stay higher than expected on a trace range, usually point to a leak, a wet or contaminated line, or a sensor that needs replacement. A low-flow indication should be traced back along the sample path to filters, regulators and needle valves. Recording calibration results lets drift trends be seen over time.

Applications in Oman and the GCC

In the region the analyzer is typically used on nitrogen blanketing and purge systems at refineries and petrochemical plants, on industrial gas production, and in analyzer houses at gas processing facilities. High ambient temperatures make shelter ventilation and good sample conditioning important for stable readings.

Sourcing from Seven Star LLC

Seven Star LLC can supply the Teledyne 3000RS analyzer, rack configurations and replacement sensors for existing installations. Send the model code from the nameplate and your application details, and our team will confirm the configuration before quotation.

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