Coulomb method trace oxygen analyzer

Coulomb method trace oxygen analyzerThe SAU8000 trace oxygen analyzer is a high-precision and multifunctional new type of primary battery trace oxygen analyzer that can easily achieve PPM level oxygen measurement, and even accurately measure PPB level oxygen content. It is mainly used for online detection of gases in industry and laboratories, for precise sampling and detection of key nodes in various process flows, and can also be used to calibrate other trace oxygen analyzers, especially for the calibration and verification of a large number of bottled oxygen standard gases. It is commonly used for oxygen detection of gases in industries such as petrochemicals, biopharmaceuticals, food processing, and scientific instrument calibration.

1. Technical requirements

1.1 Sensor principle: Coulomb method, sensors are made of silver and lead.

1.2Range:00.01-1PPM, 0-10PPM, 0-100PPM (automatic and fixed range optional)

1.3Test accuracy:≤5%. Resolution: 1 ppb, repeatability:<1% F.S

1.4Flow: Measurement100 ± 2mL/min, bypass 500-500mL/min, equipped with needle valve and flow control valve

1.5Pressure control: built-in integrated pressure reducing device and pressure display, sample gas0-0.05Mpa，

1.6Response time:T90＜1S

1.7 Large capacity liquid storage tank with spare liquid storage tank, sampling tank with inlet and outlet valves for convenient transportation

1.8Communication function:4-20mA, RS-232, RS485 with standard MODBUS RTU communication protocol (optional)

1.9 Supports interface selection in Chinese, English, and German

1.10Rechargeable long-life lithium battery power supply,15V DC， Standby time>10 days

1.11Gas interface:1/8 'stainless steel card sleeve joint

1.12 The factory comes with its own electrolyte and has completed debugging, so there is no need to add electrolyte on site

1.13 Convenient and portable, weighing no more than 7.3kg, size ≤ 230mm * 267mm * 260mm

1.14 with temperature compensation to eliminate the accuracy of test data caused by changes in ambient temperature

1.15 Display: High definition touch screen display, digital display, trend chart display, multiple background gas selection

1.16 Working temperature: (5-40) ℃,Sample gas temperature:If the temperature exceeds 0-160 ℃ (10-50 ℃), cooling treatment is required

1.17Capable of single point calibration and ultra-low point calibrationCalibration below 1ppm

1.18beltINNOKIE-PC software can expand and enhance the functionality and data processing of instruments

1.19 Power interface:SwitzerlandLEMO quick plug self-locking connector with dust-proof, waterproof, and anti-corrosion features

1.20 Data recording:Optional built-in data storage or optional extended storage, can support32G， Storage capacity exceeds 10 million pieces, supporting printing function

1.21Material: Aluminum alloy, reachingIP68 protection level

1.22seal ring:EPDM, FFKM, FEP, PTFE (configured according to gas type)

1.23 Gas path system: The gas path is equipped with a protection and control system, which ensures accurate and reliable measurement results and is not affected by fluctuations in gas source pressure.

2. Applicable methods:

The instrument must comply with the testing standards《GB/T 6285-201The requirements of the Coulomb method for the determination of trace oxygen in gases.

3. Analyze the sample:

Used to measure the oxygen content in various gases such as hydrogen, nitrogen, petroleum gas, and compressed air.