? corrosion-resistant sensors, anti-cross-interference, advanced digital processing technology; 
 ? Life span: more than 5 years; 
 ? measurement of the signal output of a linear expression; 
 ? DC power supply, no additional power supply; 
 ? Digital temperature compensation; 
 ? full Chinese menu operation (English version ordering instructions); 
 Applications 
 JNYQ-D-22 analytical instruments can be used for the thermoelectric, air separation, metallurgy, chemical fertilizer, chemical, medical care, preservation, environmental protection, scientific research fields. 
 Detection principle 
 JNYQ-D-22 for portable analytical instruments, imports of Vaisala dew point sensor and advanced digital processing technology, fast response, high sensitivity, automatically and quickly detect the moisture content of the various gases. 
 Technical parameters: 
 ◆ measuring range: +20 ~ -80 ° C at +20 to -100 ℃; 
 ◆. Accuracy: ≤ ± 2 ° C (higher than -60 ° C); 
 ≤ ± 3 ° C (below -60 ° C); 
 ◆. Repeatability: ≤ ± 1 ° C; 
 ◆ Resolution: 0.1 ℃; 
 ◆ Response Time: T90 ≤ 3 minutes; 
 ◆. Operating voltage: 24V DC; 
 ◆. Charging voltage: 220VAC ± 10% 50Hz ± 5%; 
 ◆ working environment: Temperature: -5 ℃ ~ +45 ℃; 
 Humidity: ≤ 90% RH; 
 ◆ Dimensions: 260 (W) × 140 × (H) 300 (D); 
 ◆ Weight: about 3.5kg;