HJY-330 High Temperature Hygrometer

Technical Parameters:

l Measurement range: 0 ~ 250g/Kg or 0 ~ 50/95 (KPa or %)

l Display method: 4-digit digital tube display

l Measurement accuracy: ≤±1.2%FS

l Repeatability: ≤±1%

l Response time: T₉₀≤20S

l Operating temperature: Instrument: -10℃ ~ +50℃

Probe: Low-temperature type 0 ~ 350℃

Medium-temperature type 0 ~ 700℃

l Analog output: 4-20mA.DC (non-isolated output, load resistance less than 500 ohms)

0-5V.DC (non-isolated output, load resistance greater than 10K ohms)

1 programmable dry contact type passive alarm output, contact maximum capacity 220VAC/2A

l Other interfaces: RS232

l Power supply: AC170 ~ 265V 50/60Hz

l Service life: >20 months (under normal operating conditions)

l Installation method: Insertion type, DN50 standard flange

Instrument Features:

l Unique high-temperature resistant design;

l Probe made of special stainless steel material with strong corrosion resistance;

l High protection level instrument box;

l High-precision automatic temperature compensation system to eliminate the influence of ambient temperature;

l Users can set the upper and lower limits of oxygen concentration corresponding to 4-20mA or 0-5V output;

l Simple operation, long service life, easy maintenance.

Application Scenarios:

Widely used for measurement and analysis of water vapor content in high-temperature environments such as steamers and setting machines in the textile industry. It can also be applied for humidity measurement and control in wood, building materials, papermaking, chemical, pharmaceutical, fiber, textile, tobacco, vegetable, and food processing industries; this humidity instrument can also be used for humidity determination in high-temperature environments such as ceramic drying kilns and welding rod drying furnaces.

Ordering Information (Please specify when ordering):

l Probe length

l Operating environment temperature and pressure

l Background gas composition