Why One Office Zone is Too Humid & How a Humidity Transmitter Fixes It ?
Why One Office Zone is Too Humid & How a Humidity Transmitter Fixes It Persistent humidity in one office zone can disrupt comfort, increase mold
Humidity & Temp transmitters are designed for environmental monitoring and controlling in industrial, commercial and other buildings.
Item Number: HG803-1W4P-06
*High performance digital sensors and circuits, ensure accurate measurement and temperature compensation
*Good long-term stability and reliability
*100% field changeable sensors, no re-calibration needed
*Fast response
*Multiple output signals selectable:
①RS485 Modbus
②RS485 + 4-20mA Both Output
*Supports Both Modbus and Bancet over RS485 and Wifi, with an etrernet port.
*Modbus communications port: RTU, 9.6k/19.2k/38.4k/57.6k/115.2kBaud
*Display Highly configurable to show user assigned parameters and units
*Filter: Sintered Stainless steel, 60um pore size
Power supply: DC 10-30V
Temperature range: -40℃~+120℃, default: -40℃~+80℃
Humidity range: 0%RH-100%RH
External probe accuracy: ±2%RH, ±0.4℃(25℃)
Built-in probe accuracy: ±3%RH, ±0.5℃(25℃)
Resolution: 0.1℃, 0.1%RH
Long-term stability: humidity ≤1%RH/y, temperature ≤0.1℃/y
Response time: humidity ≤4s (1m/s wind speed), temperature ≤15s (1m/s wind speed)
Output signal: RS485 (Modbus protocol)/4-20ma/0-5v/0-10v
Installation method: wall-mounted
Technical Data | Description |
---|---|
DC power supply | 10 ~ 30V DC (12V recommended) |
Maximum power consumption | About 1.2W |
Current output | About 1.2W |
Voltage output | About 1.2W |
Typical accuracy (Temperature) | ±0.3℃ (25℃) / ±0.54℉ (77℉) |
Typical accuracy (Humidity) | ±3%RH (60%RH, 25℃) |
Measuring medium | Air |
Measuring range (Temperature) | -40℃ ~ 80℃ / -40℉ ~ 176℉ (default) |
Measuring range (Humidity) | 0%RH – 100%RH |
Long-term stability (Temperature) | ≤ 0.1℃ /y |
Long-term stability (Humidity) | ≤ 1%RH /y |
Response time (Humidity) | ≤ 8s (1m/s Wind speed) |
Response time (Temperature) | ≤ 15s (1m/s Wind speed) |
Analog output | Signal Current 4 – 20 mA |
Digital output | RS485 Communication (Modbus) protocol |
Data bit length | 8 bits |
Parity check mode | None |
Stop bit length | 1 bit |
Default Modbus communication address | 1 |
Function code | 03 |
Baud rate | 1200, 2400, 4800, 9600, 19200, 115200 (optional, default 9600 bps) |
Load capacity (Current output) | ≤ 600Ω |
Load capacity (Voltage output) | ≤ 250Ω |
Transmitter circuit operating temperature | -20℃ ~ +60℃, 0%RH ~ 95%RH (non-condensation) |
Line Color | Definition | Specification |
---|---|---|
Power Cord | ||
Red | Power supply positive | 10 ~ 30V DC |
Black | Power supply negative | GND |
Analog Output Lines | ||
Brown | Temperature signal positive | 4-20mA output |
Blue | Temperature signal negative | Connects to Black (GND) |
Grey | Humidity signal positive | 4-20mA output |
White | Humidity signal negative | Connects to Black (GND) |
RS485 Wiring | ||
Yellow | RS485A | Twisted pair cable |
Green | RS485B | Twisted pair cable |
Additional Notes:
Important:
These transmitters can be used for indoor air temperature and humidity monitoring in various industrial plant, clean room, lab, machine room, commercial buildings, airport, and schools.
The modbus interface is documented and integrator friendly. They also have transducer outputs for connecting as analog inputs to all popular control systems.
Various models are available:
Duct Mount,
Wall Mount,Room Mount and 2 meter cable.BACnet MS/TP and
Modbus RTU protocols over RS485,with an ethernet port.
Why One Office Zone is Too Humid & How a Humidity Transmitter Fixes It Persistent humidity in one office zone can disrupt comfort, increase mold
Introduction Compressed air is often referred to as the “fourth utility” in modern industry, alongside electricity, water, and gas. Yet, one of the most common
1. Introduction The semiconductor industry operates under some of the most stringent environmental conditions of any manufacturing sector. As devices shrink to the nanoscale and
Introduction In the world of environmental simulation and reliability testing, constant temperature and humidity chambers are indispensable tools across a wide range of industries—from electronics
Are you grappling with how dew point sensors impact industrial efficiency? These sensors play a crucial role in maintaining environmental control, preventing corrosion, and ensuring
Why do generic sensors keep failing in cold chain environments? Because they simply aren’t built for it. Cold chain logistics demand precision, durability, and rapid
In modern biomanufacturing, fermentation is a critical step that directly affects product yield, purity, and consistency—whether it’s for antibiotics, enzymes, amino acids, or biofuels. Behind
In the paper manufacturing industry, environmental control is not just a technical detail—it’s a critical quality factor. Paper, by nature, is a hygroscopic material. This
In air separation nitrogen generation systems, high-purity gas output depends on more than just core components like compressors, dryers, and PSA towers. One often-overlooked factor
Introduction Glove boxes, also known as inert atmosphere boxes or isolation chambers, play a vital role in laboratories and industrial environments where contamination control is
WhatsApp us