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JNYQ-D-21 dew point meter

The JNYQ-D-21 analytical instrument adopts dew point sensors and crystal oscillator principle sensors imported from Vaisala, with fast response speed and high sensitivity. Easy to use, it can measure the trace moisture content in various gases, achieving various automatic and rapid online detection with strict control requirements for moisture content.

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Detailed description

1. Characteristics

• Standard 483mm width, 4U height, 19 inch cabinet standard chassis, suitable for complete equipment and can also be used in laboratories;

• Anti acid, corrosion-resistant sensors, anti cross interference, advanced digital processing technology;

• Service life: greater than 5 years;

• Linear expression of measurement signal output;

• Multiple state signal outputs: sound, light, screen, relay, communication information;

• Digital temperature compensation;

• Full Chinese menu operation (English version ordering instructions).

 

2. Application field

The JNYQ-D-21 analytical instrument can be used in fields such as air separation, fertilizer, chemical industry, medical treatment, and scientific research.

 

3. Detection principle

The JNYQ-D-21 analytical instrument adopts dew point sensors and crystal oscillator principle sensors imported from Vaisala, with fast response speed and high sensitivity. Easy to use, it can measure the trace moisture content in various gases, achieving various automatic and rapid online detection with strict control requirements for moisture content.

 

4. Main technical parameters

• Measurement range:+20~-80 ℃+20~-100 ℃;

• Accuracy: ≤ ± 2% F S;

• Main indicators: Zero drift: ± 2% FS/7d;

• Range drift: ± 2% FS/7d;

• Linearity error: ± 2% FS;

• Signal output:

(1) Measurement output

• Large screen with blue background LCD, direct data reading, and rich information;

• Both Chinese and English versions (English version ordering instructions);

• Humanized menu operation, simple and clear;

• Isolation current: (0/4-20) mA (500 Ω);

• Isolation communication: RS232, RS485 (optional);

(2) State control output (isolated)

• Passive electric shock at upper and lower limits (adjustable);

• Communication interface: RS232, RS485 (optional);

• Working environment: Power supply voltage: 220VAC ± 10%, 50Hz ± 5%;

• Environmental temperature: (5-45) ℃;

• Permissible humidity: (0-85)% RH;

• Power: 30W;

• Weight: approximately 5.0kg.

Key words:

Flue gas analyzer, flue gas online monitoring, VOCS online monitoring, waste incineration online monitoring

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