1. Characteristics
JNYQ-D-24Ex dew point meter
The working principle of the JNYQ-D-24Ex digital dew point meter adopts sensors based on imported Vaisala crystal oscillator and capacitance principles, as well as advanced digital processing technology, to achieve continuous, automatic, and fast online detection of dew points
Detailed description
• Digital adaptive temperature control and signal digitization processing
• Thermal sensitive components adopt seismic and anti-corrosion structures
• Linear expression of measurement output
• Digital temperature compensation
• Passive electric shock at upper and lower limits
• Chinese menu touch screen operation (English version ordering instructions)
Application field
• Explosion proof places such as petrochemical, fertilizer, and smelting
2. Working principle
The working principle of the JNYQ-D-24Ex digital dew point meter adopts sensors based on imported Vaisala crystal oscillator and capacitance principles, as well as advanced digital processing technology, to achieve continuous, automatic, and fast online detection of dew points.
3. Technical parameters
• Detection range:+20~-80 ℃+ 20-100 ℃;
• Accuracy: ≤ ± 2 ℃;
• Resolution: 0.1 ℃;
• Preheating time: ≤ 10min;
• Response time: T90 ≤ 5min;
• Explosion proof level: Exd Ⅱ CT6;
• Isolation current: (0/4-20) mA (500 Ω)
• Isolation communication: RS232, RS485 (optional)
• Contact capacity: 220VAC, 1A 24VDC, 1A;
• Working environment: Temperature: -10 ℃~+45 ℃; Humidity: ≤ 90% RH;
• Working power supply: 220VAC ± 10%, 50Hz ± 5%;
• External dimensions: 450mm (W) x 550mm (H) x 250mm (D)
• Weight: approximately 76kg
4. Selection Guide
|
model |
Detection object |
Measuring range |
Uncertainty |
Instrument installation dimensions |
Principles of Analysis |
Remarks |
|
JNYQ-D-20 |
DP |
＋20～－100℃ |
≤±2%F.S |
214wide×133high |
Crystal oscillation |
Online |
|
JNYQ-D-21 |
＋20～－100℃ |
≤±2%F.S |
454wide×180high |
|||
|
JNYQ-D-22 |
＋20～－100℃ |
≤±2%F.S |
260wide×140high |
portable |
||
|
JNYQ-D-24Ex |
＋20～－100℃ |
≤±2%F.S |
454wide×180high |
Crystal oscillation |
Explosion proof online type |
Key words:
Flue gas analyzer, flue gas online monitoring, VOCS online monitoring, waste incineration online monitoring
Classification:
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