|||Series 3000 Trace Oxygen Analyzer
Series 3000 Trace Oxygen Analyzer2018-09-05T15:45:45-04:00

Series 3000 Trace Oxygen Analyzer

Series 3000 Trace Oxygen Analyzer

The Series 3000 Trace Oxygen Analyzers are rugged, microprocessor-controlled oxygen analyzers designed for continuous or intermittent measurement of trace oxygen concentrations ranging from 0-1 PPM to 0-10,000 PPM.

Price Range: $3,415.00 – $3,740.00

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Long-life Trace Oxygen Sensor
Provides up to three times the functional life of most “fuel cell” type sensors. Reliability is dramatically increased while maintenance costs are reduced.
Sealed Sensor
Eliminates handling potassium hydroxide (caustic), a hazardous material or having to frequently “recharge” the electrolyte.
CO2 Resistant Sensor
Optional CO2 resistant sensor is designed to operate with sample gases containing up to 100% CO2. Conventional “fuel cell” type sensors using KOH electrolyte can be poisoned from CO2.
Economically priced
Affords savings of up to 50% over other manufacturers trace oxygen analyzers
Wide Measurement Ranges
Measure from under 1 PPM to as high as 10,000 PPM oxygen.
Factory Calibration
Factory calibration included at no additional charge. Upon request, NIST calibration certificates available
Visual and Audible Alarms Included along with two analog recorder outputs.
Ensures the highest level of protection and reliability.

PERFORMANCE

  • Ranges(parts per million): Single-range 0-10,000 0- 5,000 0-1,000 0-100 0- 50 Three-range 0-100/1,000/10,000 0- 50/500/5,000 0-10/100/1,000 0- 5/50/500 0-1/10/100
  • Accuracy¹: ±1% of full scale (±5% FS 0-1ppm range)
    ¹Stated at constant temperature and constant pressure.
  • Linearity: ±1%
  • Response Time: 90% of full scale response in less than 10 seconds (typical). The response time for ranges of 0-50 PPM or less depend to a great extent on the design of the sample delivery system including the materials used.
  • Sensor Type: Long-life Ambient Temperature Electrochemical Sensor(Optional CO2 Resistant Sensor Available).
  • Temperature Compensation: Standard
  • Operating Temperature: (both sensor and electronics): 40° to 104° F (5° to 40° C) <40° F (5° C) use heated sensor enclosure >104° F (40°) cooling of sample gas/sensor required
  • Warranty: 3 years electronics, 1 year sensor

ELECTRICAL

  • Display: 0.4″ (10.2 mm) high, 4-1/2 digit LCD
  • Resolution of Display: 0.1 ppm for ranges <100 ppm 1.0 ppm for ranges >100 ppm
  • Input Power: 115/230 VAC, 50-60Hz or 18-32 VDC. Optional battery backup available.
  • Outputs: 4-20 mADC and 0-2 VDC standard as is a TTL output for range identification. RS-232C or RS-485 serial communication optional.
  • Oxygen Alarm Relays: Three (3) SPDT Form C contacts rated 10 A @ 30 VDC/115/230 VAC. User selectable for fail-safe or non fail-safe.
  • Instrument Status Alarm: Rated identically to the O2 relays
  • Audible Alarm: Internal buzzer with audible cancel

SAMPLE GAS CHARACTERISTICS

  • Flow Rate: 1.0 to 2.0 SCFH (0.5 to 1.0 liter/min)
  • Sample Gas Temperature: 40° to 104° F (5° to 40° C)
  • Sample Gas Pressure: 0.1 to 1.5 psig (0.007 kg/cm² to 0.1 kg/cm²)
  • Entrained Solids: <3 mg/ft³: no in-line filter required >3 mg/ft³: in-line filter is required
  • Hydrocarbon Mist: <0.7 mg/ft³: no in-line filter required >0.7 mg/ft³: in-line filter is required

CONSTRUCTION²

  • Electronics Control Unit (Bench-top without optional equipment):Polycarbonate with a hinged clear front cover, rated NEMA 4X (IP 66)
  • Control Unit Dimensions: 9.45 in. (240.5 mm) height 6.50 in. (165.1 mm) width 6.20 inches (157.5 mm)
    Note: All dimensions are without optional equipment
  • Gas Connections: 1/4″ stainless steel compression fittings.
  • Sensor Mounting: Local or optional remote mounting
  • Weight: 11lbs (4.98 kg) (Standard Bench-top Configuration)

²Other mechanical configurations available-consult the factory.
³Alpha Omega Instruments reserves the right to change or modify its product specifications without notice.

Overview

The Series 3000 is housed in a general purpose enclosure and is powered from either 115/230 VAC, 50-60Hz, or 18-32 VDC. Battery power is an option. Trace oxygen values are displayed on a 0.4 inch (10.2 mm) high, 4-1/2 digit liquid crystal display (LCD). The Series 3000 is equipped with three oxygen alarm relays and one status alarm relay. All four relays are Form C (SPDT) types rated at 10 amps at 115/230 VAC and 30 VDC. The relays are user configurable for fail-safe operation. In addition to the four alarm contacts, the analyzer has a built-in audible alarm and three red LED’s for visual indication of an oxygen alarm condition. The audible alarm may be manually canceled at any time. The Series 3000 provides users with two standard analog outputs, 4-20 mADC and 0-2 VDC. For enhanced communications, the analyzer can also be equipped with optional RS-232C or RS-485 serial communications. Advantages of our trace oxygen analyzer include: – A sensor that lasts up to 3 times longer than standard trace sensors. – Flexible configuration options (explosion proof to waterproof and more). – An optional CO2 tolerant sensor. – Made in the USA and priced competitively.

A Long-Lasting Trace Oxygen Sensor

The Series 3000 Trace Oxygen Analyzer features Alpha Omega Instrument’s long-life ambient temperature electrochemical sensor that has a functional life of up to three times that of most “fuel cell” type sensors. The enhanced mechanical design of the sensor ensures longer life, and virtually eliminates leakage of caustic electrolyte, a nagging (and expensive) problem associated with sensors that require periodic electrolyte maintenance. And, because the sensor is sealed, it is not position sensitive. In addition, unlike some electrochemical sensors, Alpha Omega Instruments readings from the Series 3000 do not require manual adjustment based on changes in the molecular weights of the sample gas i.e. helium, hydrogen, etc. a major advantage for continuous measuring applications. The output from the sensor is both linear and temperature compensated to provide optimum performance. The long-life trace oxygen sensor is installed in a high integrity-leak tested metal housing that is equipped with 1/4″ stainless steel compression fittings on both the sample gas inlet and outlet. Manual isolation valves are included at no additional charge.

Flexible Configurations for a Range of Uses

The Series 3000 Trace Oxygen Analyzer affords maximum flexibility to meet the increasing demands of the industrial, commercial, and educational markets. It is available in a wide number of optional mechanical configurations from explosion proof (NEMA 7) to watertight (NEMA 4). It can also be configured with an optional remote sensor that may be placed up to 1,000 feet (approx. 300 meters) from the electronics. Depending the application, the Series 3000 can be equipped with a number of options including; battery operation, sample filters, sample pumps, pressure regulators, data logger, block & bleed by-pass sampling systems, serial communications, sensor heaters, solenoid valves with internal control connections, flow meters, etc.

A CO2 Resistant Sensor

A nemesis for any conventional “fuel cell” type trace oxygen analyzer is its inability to measure oxygen in gases containing carbon dioxide. Carbon dioxide reacts with potassium hydroxide electrolyte to form carbonic acid and in short time destroys the sensor. Not anymore. Alpha Omega Instruments offers an optional CO2 tolerant trace oxygen sensor with proprietary electrolyte. The CO2 tolerant sensor is capable of providing accurate oxygen readings in gases containing up to 100% carbon dioxide without shortening the life of the sensor.

Made in the USA and Priced Competitively

The Series 3000 Trace Oxygen Analyzer is priced significantly less than most other manufacturers, and it is manufactured as well as quality control tested here in the United States. In fact, our product quality is emphasized throughout the manufacturing process starting with raw material vendor surveys through final assembly, testing, and system calibration. We’ve also earned an exceptional reputation for presale and after-market support for over 25 years.

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Related Application Notes:

Glove Box Oxygen Analyzer

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Measuring PPM Oxygen for Welding Applications

Measuring PPM Oxygen for Welding Applications Not all welding applications require inert shielding gas. However when it does, use of an accurate and reliable trace oxygen analyzer is an essential tool.  TIG (Tungsten Inert Gas) welding of titanium requires the use of inert shielding gas, typically either high purity argon or a mix of argon/helium containing under 100 parts per million (PPM) of oxygen. Air contains 209,000 PPM of oxygen, so in order to create an acceptable atmosphere within the weld box (avoiding leakage of air into the box), a constant purge of inert shielding gas is normally applied. To help ensure oxygen levels within the weld box are at acceptable levels, a trace oxygen analyzer becomes a critical tool. Excessive levels of oxygen often lead to poor quality welds. The following video helps to describe the necessity of measuring trace oxygen in inert shielding gas. Caution should be exercised when selecting an oxygen analyzer for welding applications.  When PPM oxygen measurements are required, avoid analyzers that only measure percent oxygen levels. Most of these types of analyzers use electrochemical sensors designed specifically for percent oxygen measurements, not parts per million. In such cases, welders often interpret a reading [...]

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