Medical oxygen analysis system

Revision of Medical Oxygen Standards

1 Medical oxygen analysis systemSupply List and Specifications:

II Medical oxygen analysis systeminstrument parameters

1Paramagnetic oxygen analyzerFV-4200-OXY：

FV-4200-OXYThe magnetic oxygen analyzer (magneto mechanical type) adopts imported technology(Servomex)Original magnetic mechanical paramagnetic oxygen detector and microprocessor technology, with a large screenLCDDisplay, upper and lower limit alarm, standard signal output, and relay contact alarm output functions. Suitable for online analysis of oxygen concentration in industrial production process control, and can also be used for rapid analysis of oxygen concentration in laboratories.

Instrument Features

l The principle of magneto mechanical paramagnetic oxygen detection,Pure physical measurement principle, no consumption;

l Not affected by changes in thermal conductivity and density of the tested gasAnd heat capacitywaitinfluence，Therefore, the interference of other gases has minimal impact;

l Large screen LCD display, fully Chinese operation menu;

l Equipped with timed automatic storage function, the stored data can be viewed at any time;

l haverelayAlarm contact output, can set upper and lower limit alarm points arbitrarily;

l have0~10mAor4~20mAFully isolated standard signal output;

l haveRS-232Communication port, which can be connected to a serial printer or achieve bidirectional communication with a computer.

2Infrared analyzerFV-4200- (CO+CO2)：

Instrument Features

Thin film micro sound detector with high sensitivity, long lifespan, and good reliability;

The detector adopts a front and rear chamber structure, greatly improving the selectivity of the instrument and minimizing cross interference;

Adopting amplitude modulation technology, with strong common mode rejection capability, small zero drift, and good stability;

Fully sealed optical path, unaffected by environmental atmosphere;

Encapsulated infrared light source, stability *;

Gold plated measuring chamber has strong corrosion resistance;

large screenLCDLCD display, fully Chinese operation menu, human-machine dialogue, automatic prompts for operation steps;

Automatically detect working parameters such as light source voltage and background reference voltage;

Dual range automatic conversion (option), computer software linearization processing;

Equipped with two sets of alarm contact outputs, the upper and lower limit alarm points can be set arbitrarily within the full range;

Equipped with timed automatic storage function, the stored data can be viewed at any time;

Equipped with a paperless recorder function, it automatically records the variation curve of the measured gas concentration over time;

Having full isolation0~10mAor4~20mAStandard signal output;

haveRS-232Communication port, which can be connected to a serial printer or achieve bidirectional communication with a computer.

Main technical characteristics

Measurement object, minimum measurement range, and range specifications

2．1 Measurement object, minimum measurement range

carbon monoxideCO2：0~0.002% (20 ppm)

carbon dioxideCO2：0~0.002% (20 ppm)

methaneCH4：0~0.01% (100 ppm)

sulfur dioxideSO2：0~0.05% (500 ppm)

nitric oxideNO：0~0.05% (500 ppm)

2.2 Standard range(%VOL)

0~0.02；0~0.05；0~0.1；0~0.2；0~0.5；0~1；0~2；

0~5；0~10；0~15；0~20；0~30；0~40；0~50；

2.3 Special range specifications

a.exceptCOTheCO2TheCH4Other measurement objects and their range shall be discussed between the user and our design department.

b.below200ppmOr higher than50%The measuring range requires special ordering.

2.2 Main technical performance indicators

Zero drift: ≤±1%FS/7d

Range drift: ≤±1%FS/7d

Linear error: ≤±1%FS

Repeatability: ≤0.5%

Output fluctuation: ≤±0.3%FS

Response time: related to the length of the measuring chamber,maximumT90＜10second

Preheating time:<0.5h

Ambient temperature5~45℃

Environmental humidity: ≤90%RH

2.2 Gas sample conditions

Gas sample temperature:5~40℃

Sample gas pressure:2~50 Kpa

Sample gas flow rate:200~1000ml／min

Moisture content: dried before entering the instrument

Dust content: Remove dust and mechanical impurities before entering the instrument

3Trace water analyzer FV-4200-P2O5

FV-4200-P2O5The analyzer adoptsP2O5Electrode sensors, based on the principle of electrolysis, can continuously, quickly, and accurately test trace amounts of water in gases.P2O5The principle of an electrode is: the electrode absorbs gas moisture and electrolyzes water to formH2andO2The amount of water molecules can be determined by the current consumed. The corrosion-resistant electrode is washableP2O5The electrode is mainly made of strong corrosion-resistant materials as the substrate, with equidistant platinum wires wound around the substrate, and then a detachable corrosion-resistant material body is installed.

Suitable for trace water detection in petroleum, chemical, power, metallurgy, and medical oxygen.

Parameter performance:

Measuring range:0-10/100/1000ppm

Measurement accuracy: ≤±2%FS

flow velocity ：400ml/min

Repeatability: ≤0.5%

Output fluctuation: ≤±0.3%FS

Response time:T90＜3second

Preheating time:<0.5h