IR-8400DC Gas Analyzer

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Overview

product_highlights
  • Total hydrocarbon (THC) analyzer
  • Low maintenance
  • Explosion-proof enclosure
  • NEMA 7 certified
  • LCD display non-contact operation
  • High reliability
product_overview

The Infrared Industries NDIR-based IR-8400DC (compensated) total hydrocarbon (THC) gas analyzer is specially designed to measure CH4 (methane) in addition to the full range of hydrocarbons. This allows the analyzer to distinguish a discrete CH4 value to either be read separately from the THC reading or subtracted from it.

The benefit here is the CH4 being a naturally occurring hydrocarbon is not required to be reported as a constituent of the THC reading. The problem has been that methane is very difficult to separate from other hydrocarbons and therefore becomes a component of the measured THC reading.

The ability to distinguish and separate the CH4 component allows the CH4 constituent to be removed from the THC reading, allowing the analyzer to report only the THC actually generated by the process requiring monitoring and reporting.

Tailored for the petroleum industry, this instrument is designed specifically for enhanced oil recovery applications as well as for refineries and petroleum transfer stations. The IR-8400DC is designed to continuously monitor total hydrocarbons expressed as CH4 (methane) and C3H8 (propane) as well as other hydrocarbons in process gas streams or for ambient air.

Built to withstand hostile temperature and weather environments, these analyzers come standard with a LCD display, RS232 output, analog output, and isolated linear 4-20 mA current output.

Need a Customized Application?

Do you have a unique application that consists of a different range of gas not currently detected in the IR-8400DC? We can build a tailor-made gas analyzer that detects the gas of your choice.

Contact us today

Applications

  • Petroleum industry
  • Continuous emissions monitoring
  • Process compliance monitoring
  • Process control

Features and Benefits

Electronics

The IR-8400DC is made with state-of-the-art electronics, which are housed in an explosion-proof enclosure. The analyzer is ruggedly built for a long life and a high tolerance to shock and vibration.

Material

Compatibility is assured by using corrosion-resistant materials such as stainless steel sample cells and sapphire windows and by selecting specialized materials for seal and tubing components.

Temperature

The IR-8400DC is temperature controlled and compensated for long-term stability and accuracy, negating the need for frequent calibrations. Maximized performance and a high resistance to harsh environments are maintained with the use of a temperature-stabilized optical bench and electronics.

Automatic Calibration

An option is automatic calibration, whereby an operator can select dates and times that the IR-8400DC will automatically perform its own routine calibrations and update itself without any operator assistance.

Specifications

General Specifications
Performance measurement range 0 - 100% as specified by customer
Accuracy ± 1% of reading or a ± 4% full scale
Repeatability ± 1% of reading or ± 5% full scale
Stability - 24-hour period ± 0.5% full scale zero drift (maximum)
± 1% full scale span drift (maximum)
Stability - 90-day period ± 1% full scale zero drift (typical)
± 2% full scale span drift (typical)
Output noise (RMS) Less than 0.5% full scale
Response time Less than 10 seconds (electronic)
Warm-up time Less than 1 hour
Temperature range -40° F to 122° F (-40° C to 50° C)
Gas Sample Requirements
Flow rate 2 scfh (1 LPM) - recommended
4 scfh (2 LPM) - maximum
Moisture 0 - 99% non-condensing
Output
Analog 0 - 100mV standard
0V - 1V, 0V - 5V, or 0V - 10V DC (optional)
4-20mA (isolated)
Digital RS232 bi-directional
Alarms Optional
Gas Flow System
Connections Sample inlet - 1/4" compression fitting
Sample outlet - 3/8" or 1/4" compression fitting
Materials 316 SS, sapphire, Teflon, Viton, polypropylene (typical)
Standard Gases Propane and methane
Power 110 or 220VAC, 117 Vrms ± 10%, 50 Hz - 60 Hz
Enclosure (W x L x D) 10.25" x 10.25" x 9" (26 cm x 26 cm x 22.86 cm) enclosure with display window and attached 3.5" x 2.5" junction box; NEMA 7 (C:, Grp D, E Div 1, 2)
Weight 25 lbs. (11.35 kg)
Warranty Infrared Industries, Inc. warrants each gas analyzer it manufactures to be free of defects in material and workmanship for a period of one (1) year from the date of delivery. Abuse, misuse or unauthorized changes excluded. Extended warranty available.

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