200 Degree Almost HG808-T High Temperature and Humidity Transmitter 4~20mA High precision humidity transmitter for Severe industrial applications
Product Highlights:
▪Integrated design, simple and elegant
▪Industrial grade ESD safety protection and power supply anti reverse connection design
▪Using waterproof, dustproof, and high-temperature resistant probes
▪Sensitive waterproof and anti fine dust high-temperature probe
▪Standard RS485 Modbus RTU communication protocol
The ability to measure dew point makes the HG808 ideal for applications where moisture control is critical, such as:
- HVAC systems
- Industrial drying processes
- Weather monitoring stations
By measuring and transmitting all three values (temperature, humidity, and dew point), the HG808 provides a comprehensive picture of moisture conditions in harsh environments.
Features of the HG808-T series temperature and humidity transmitter:
| Category | Details |
|---|---|
| Model | HG808-T Series |
| Application Areas | - High-temperature process engineering - Industrial drying - Combustion flue gas emissions - Testing chambers - Corrosive gases from petrochemical emissions and refinery processes |
| Temperature Operation Range | Up to 200°C |
| Key Features | - Ultra-high temperature-resistant sensors - Durable cast aluminum housing - Stainless steel components - Long-term stability and corrosion resistance |
| Probe Type | Split/pipeline type probes with anti-pollution and oil resistance capabilities |
| Output Options | - RS485 output - Two analog outputs |
| Analog Output Resolution | 15 high-resolution bits |
| Digital Output Resolution | Optional resolution of 0.1 or 0.01 |
| Sensor Synchronized Function | Anti-condensation function to keep the sensor synchronized in high humidity environments |
| Digital Output Readings | Simultaneously reads dew point, humidity, temperature, and PPM values |
| Communication Protocol | Standard Modbus RTU protocol for easy interconnection with PLC, DCS, and various configuration software |
| Voltage Input | 10V~28V ultra-wide voltage input |
| Protection Features | - Overcurrent protection - Power polarity protection - ESD safety protection - Power supply anti-reverse connection function |
Specification
HG808-T Data Sheet Details
Here’s a specification details for the HG808-T series Humidity Transmitter :
| Category | Specification |
|---|---|
| Temperature Range | -40 ~ +200°C |
| Humidity Range | 0 ~ 100% RH (Recommend < 95% RH) |
| Temperature Accuracy | ±0.1°C (@ 20°C) |
| Humidity Accuracy | ±2% RH (@ 20°C, 10 ~ 90% RH) |
| Power Supply | DC 10V ~ 28V |
| Power Consumption | < 0.5W |
| Analog Outputs | Humidity + Temperature: 4~20mA / 0-5V / 0-10V (one out of three) |
| RS485 Digital Output | Temperature, humidity, dew point, PPM (read simultaneously) |
| Resolution Ratio | 0.01°C / 0.1°C (optional) 0.01% RH / 0.1% RH (optional) |
| Baud Rate | 1200, 2400, 4800, 9600, 19200, 115200 (default: 9600 bps) |
| Acquisition Frequency | Fastest response: 1 second; other settings per PLC |
| Byte Format | 8 data bits, 1 stop bit, no check |
| Pressurization | 16 bar |
| Working Temperature | -20°C ~ +60°C, 0% RH ~ 95% RH (Non-condensation) |
| Probe Type | Split type: Probe 3 –Split type ：3A# / 3B# Probe 5 – Pipeline ：5A# / 5B# Probe 6 – Split type ：6A# / 6B# |
Field Calibration
The HG808-T is factory calibrated for multiple points. You can also access the field calibration menu via the 485 interface and adjustment software to perform on-site multi-point calibration.
Humidity Probe Option
Applications
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