Oxygen Analyzers

  • Nernst N-802 Zirconia Oxygen Analyzer

    Nernst N-802 Zirconia Oxygen Analyzer

     

    Overview

    The Nernst N-802 zirconia trace oxygen analyzer is a new analytical instrument developed using the latest zirconia detection technology and microcomputer technology. It can be used for continuous automatic analysis of oxygen content in air separation nitrogen production, chemical processes, glass, and building materials. It can also be used for measuring oxygen content in protective atmospheres of high-temperature sintering furnaces such as protective gases and magnetic materials in the electronics industry.

     

    Features

    High quality zirconia detection components are selected, which have the characteristics of long lifespan and fast response.
    Unique air path design, with good air tightness, impermeability, and water absorption resistance.
    The instrument adopts a large screen full-color touch screen and human-computer interaction menu.
    Real time clock display.
    Can connect to a printer to achieve timed automatic printing.
    It has a timed automatic storage function and can view stored data at any time.
    Equipped with a paperless recorder function, it automatically records the curve of oxygen concentration changes over time.
    Equipped with RS232 and RS485 communication ports, it can be connected to a computer to achieve real-time data transmission, data storage, curve trend charts, printing reports, and other functions.
    Can set upper and lower limit alarm points, with alarm contact output.
    Can be calibrated online with standard gas.
    The output current can be selected as 0-10mA, 0-20mA, 4-20mA.

     

    Technical Specifications

    Measuring Principle Zirconia Oxide
    Measuring Range 0~10 ppm, 0~100 ppm, 0~1000 ppm, 0~1%, 0~5%, 0~10%, 0~25%, 0~100% Auto-ranging supported, with freely configurable custom ranges
    Power Consumption Approx. 400 W
    Warm-up Time Approx. 10 minutes
    Ambient Operating Temperature 0 ℃ ~ 45 ℃ (32 ℉ ~ 113 ℉)
    Ambient Humidity ≤ 90% RH (Non-condensing)
    Storage Temperature & Humidity -5 ℃ ~ +60 ℃, ≤ 95% RH
    Mounting Style Panel Mount (Flush-mount)
    Alarm Relay Output 30 V DC / 1 A, 250 V AC / 1 A
    Gas Inlet / Outlet Connections Default: 2 × φ6 ferrule fittings
    Optional: φ3, 1/8″ ferrule, 1/4″ ferrule, or φ6 hose connector
    Base thread: G1/8(F)
    Overall Dimensions (W × H × D) 240 × 150 × 250 mm
    Panel Cutout Dimensions 228+1 × 138+1 mm
    Weight Approx. 2.5 kg (5.51 lbs)
    Enclosure Steel housing, indoor use only
    Gas Wetted Materials Stainless steel (gas path)

     

    Performance Metrics

    Basic Error ±2% FS (>100 ppm); ±5% FS (≤100 ppm)
    Zero Drift ±2% FS/7d (>100 ppm); ±5% FS/7d (≤100 ppm)
    Span Drift ±2% FS/7d (>100 ppm); ±5% FS/7d (≤100 ppm)
    Repeatability ±1%
    Response Time 3 seconds
    Output Signals 4~20 mA, 0~10 mA, 0~20 mA, RS485, RS232
    Power Supply 220 VAC ±10%, 50 Hz ±1 Hz

     

    Sample Gas Conditions

    Sample Gas Temperature 0~50 ℃
    Sample Gas Flow Rate 500~700 mL/min (Note: Instantaneous flow rate must not exceed 1.5 L/min, otherwise excessive flow may damage the zirconia element)
    Sample Gas Pressure Atmospheric pressure or slight positive pressure
    Dust Content ≤100 µg/Nm³, particle size < 0.5 µm
    Mist Impurities None
    Humidity No condensed water
    Corrosive Gases Not allowed
    Calibration Gas Standard gas for instrument calibration
    Zero Gas Oxygen in nitrogen, approx. 1 ppm
    Span Gas Oxygen in nitrogen, 80% of common measuring range concentration
    Flammable & Explosive Gases Not allowed

     

    Attention!

    ! The gas entering the instrument must be dry and clean gas below 60 ℃.
    ! The instrument must be installed in a well ventilated area.
    ! The intake duct must not leak, and the instrument’s exhaust must be directed outdoors.
  • Nernst N6000 oxygen analyzer

    Nernst N6000 oxygen analyzer

    Input function:

    One oxygen analyzer can be connected to a oxygen probe to display the measured oxygen content in real time.

    Multi-channel output control:

    the analyzer has one 4-20mA current output.

    Measurement range:

    The oxygen measurement range is 10-38 to 100% oxygen.

    Automatic dust cleaning:

    The analyzer has the function of automatically cleaning the probe. The user can clean the probe regularly according to the needs, eliminating the need for manual on-site dust cleaning.

  • The Nernst N3100 Embedded Zirconia Micro-Oxygen Analyzer

    The Nernst N3100 Embedded Zirconia Micro-Oxygen Analyzer

    Plug-in Type Rapid Response Zirconia Sensor:

    The Nernst zirconia sensor employs a sheet-type zirconia ceramic welded and fastened composite technology. The sensor exhibits strong resistance to thermal shock and generally does not require calibration with standard gases (calibration with ambient air is possible). During operation, the sensor delivers high oxygen measurement accuracy, fast response speed, signal drift-free performance, and strong corrosion resistance. Actual response time is less than 100 milliseconds, with a response time to oxygen of 50 milliseconds.

    Wide oxygen measurement range with high precision:

    Measures trace oxygen levels from 10-30 to 100% oxygen content.

    Oxygen Display Units:

    Percentage content %, PPM mode, scientific notation X — E% automatic conversion.

    Output Control:

    The analyzer features a 4–20 mA current output channel and a computer communication interface (RS232) or network communication interface (RS485).

  • Nernst N2001 oxygen analyzer

    Nernst N2001 oxygen analyzer

    Single Channel Oxygen Analyzer: One oxygen analyzer can be connected to a oxygen probe to display the measured oxygen content in real time.

    The oxygen measurement range is 0 to 100% oxygen.

  • Nernst N32-FZSX integrated oxygen analyzer

    Nernst N32-FZSX integrated oxygen analyzer

    Application range The Nernst N32-FZSX integrated oxygen analyzer is an integrated structure product. It can be widely used in the detection of oxygen content in the combustion process of various industries such as petroleum, chemical industry, metallurgy, electric power, and incineration. The Nernst N32-FZSX integrated oxygen analyzer can directly monitor the oxygen content in the flue gas of boilers, sintering furnaces, heating furnaces, etc. during or after combustion. Technical characteris...
  • Nernst N2032-O2/CO oxygen content and combustible gas two-component analyzer

    Nernst N2032-O2/CO oxygen content and combustible gas two-component analyzer

    The analyzer mate with Nernst O2/CO probe can measure the oxygen content percentage O2% in the flue and furnace, the PPM value of carbon monoxide CO, the value of 12 combustible gases and the combustion efficiency of the combustion furnace in real time.

    Automatically display 10-30~100% O2 oxygen content and 0ppm~2000ppm CO carbon monoxide content.

  • Nernst NP32 portable trace oxygen analyzer

    Nernst NP32 portable trace oxygen analyzer

    The analyzer has built-in high-precision zirconia sensor.

    The oxygen measurement range is 10-30 to 100% oxygen.

    The analyzer has two 4-20mA current output and computer communication interface RS232 or network communication interface RS485.

  • Nernst N2032 oxygen analyzer

    Nernst N2032 oxygen analyzer

    Dual Channel Oxygen Analyzer: One analyzer with two probes can save installation costs and improve reliability.

    The oxygen measurement range is 10-30 to 100% oxygen.