Product Information

当前位置:
Dew Point Transmitter upto 200°C with Corrosion-proof for Compressed Air System
Product Menu
Humidity probe &sensor

Dew Point Transmitter upto 200°C with Corrosion-proof for Compressed Air System

DB440 transmitter is designed for fixed installation in industrial applications where conditions are within the range of 0 to 100 % RH and -40 to 200℃ T. The probe can survive exposure to temperature up to 200°C. Equipped with an aluminum enclosure and a 316L probe, This series transmitter is widely used under high temperature environments for measuring relative humidity, absolute humidity, temperature, volume ratio, mixing ratio and dew point in textile printing and dyeing, shaping and drying, papermaking, drying boxes, environmental chambers, hydrogen fuel cells etc industries

The DB440 series transmitter is available in different installation modes: duct directly or wall-mounted with an extra probe.
ModelDB440
Consult now
Inquire by Email
DetailDownloadApplicationTechnicalData

Specification


Parameter
Measurement range
Humidity: 0~100%RH
Temperature: -40~200℃(customizable)
Accuracy at 25℃
Humidity: ±2%RH (20~80%RH)
Temperature: ±0.2℃
Repeatability
Humidity: ±0.2%RH
Temperature: ±0.1℃
Response time
Humidity: ≤15s
Temperature: 30S
Outputs
Analog signal 4-20mA and Digital interface RS485
Power supply
24V DC
Current consumption
Max 80mA
Transmitter working temperature
-40~70℃
Electrical connection
Terminal block
Installation methods
Duct mounted by Thread/Flange/Clamp;
Wall mounted with an extra probe
Pressure resistance
Max. 6bar
Material
Housing: Cast Aluminium
Stem: 304
Probe:316L
Dimension
Duct mounted
Wall mounted
Stem length: 400mm standard, upto 800mm
Cable length: 1m standard, upto 3m.
Probe: 150mm standard, 52mm and 87mm options.

FAQ – Frequently Asked Questions


1. Where are your products manufactured?

Our products are proudly designed and manufactured in China, following international quality standards and certified processes.


2. Can you provide OEM/ODM services for international clients?

Yes, we offer customized solutions and private labeling to meet your brand’s needs worldwide.


3. Are your products compliant with international safety and quality standards?

Absolutely. Our products are tested to meet CE, RoHS, and other international certifications.


4. How do you handle shipping and delivery for overseas orders?

We cooperate with major international couriers to ensure fast and reliable delivery to your location.


5. Can I get product samples before placing a large order?

Yes, we provide samples so you can evaluate product quality before committing to bulk orders.


6. What is the typical lead time for production and delivery?

For standard products, we usually ship within 5–7 days after order confirmation. Customized products may take slightly longer.


7. How do you support clients after the purchase?

We offer 24/7 technical support, product guidance, and warranty service to ensure smooth operation.


8. Do you provide support for international clients after purchase?

Yes, we offer remote technical assistance, manuals in English, and prompt solutions to any issues, ensuring smooth use worldwide.


9. How can I place an order if I am located overseas?

You can contact our sales team directly via email or website inquiry. We provide professional guidance throughout the ordering process.


10. Why should I choose your company over other suppliers in China?

We combine over 30 years of manufacturing experience, advanced technology, strict quality control,

and global customer service to deliver reliable, high-quality solutions.


产品详情页-外贸介绍.jpg


DB440split-type.pdf
DB440plug-in.pdf