Xian Juneng Instrument Co., LTD
Juneng - Model JNYQ-D-21 -Dew Point Meter
Standard 483mm width 4U height 19 inch cabinet standard chassis, suitable for complete sets of equipment, can also be used in the laboratory. Anti-acid, anti-corrosion sensor, anti-cross interference, advanced digital processing technology. Service life: more than 5 years. Linear expression of measurement signal output. Output of multiple state signals: sound, light, picture, relay, communication information. Digital temperature compensation. Full Chinese menu operation (English version of order instructions).
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Second, the field of application:
- JNYQ-D- 21 analytical instrument can be used in the fields of air separation, chemical fertilizer, chemical industry, medical treatment, scientific research and so on.
Third, the principle of detection:
- JNYQ-D- 21 analytical instrument adopts dew point sensor and crystal oscillator sensor imported from Visala company, which has fast response speed and high sensitivity.
- The utility model is easy to use and operate.
- It can measure the trace water content in all kinds of gases and realize all kinds of automatic and rapid on-line detection with strict control of water content.
- Measurement range: + 20mm / m / m 80 ℃ + 20m / m / m / 100 ℃.
- Precision: less than ±2%F.S.
- Main outcome measures: zero drift: ±2%FS/7d.
- Range drift: ±2%FS/7d.
- Linearity error: ±2%FS.
- Signal output: (1) Measurement output.
- Large screen blue LCD, data direct reading, rich information.
- Both Chinese and English versions (English version order instructions).
- Humanized menu operation, concise and lively.
- Isolated current: (0pm 4x20) mA (500Ω).
- Isolated communication: RS232, RS485 (optional).
- (2) State control output (isolation).
- Upper and lower limit passive electric shock (adjustable).
- Communication interface: RS232, RS485 (optional).
- Working environment: power supply voltage: 220VAC ±10%, 50Hz ±5%.
- Ambient temperature: (5-45) ℃.
- Allowable humidity: (0,85)% RH.
- Power: 30W.
- Weight: about 5.0kg