Humidity & temperature transmitter-AW 3485 AOSONG
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Humidity & temperature transmitter-AW 3485 AOSONG - 1

Your specialist in innovating humidity & temperature sensors Relative Humidity & Temperature Transmitter Transmitter without LCD display AW3485 Transmitter with LCD display AW3485Y Capacitive humidity & temperature transmitter for Wall Mounting 1. Description: Aosong capacitive humidity element based humidity & temperature transmitters are ideal solution for detecting relative humidity and temperature in applications such as HVAC in residential & commercial buildings. The capacitance element based transmitter is one of the most stable transmitters available and no recalibration required, transmitters are temperature compensated and calibrated. Aosong transmitters are problem-free and accurate with long-term reliability by apply unique HydroProbe® digital technology, our transmitters are developed for high-precision measurement of relative humidity & temperature and transmitters are available for wall & duct & outdoor mounting. 2. Product highlights: Good-looking case, digital calibrated, long-term stability, standard industrial output, full range temperature compensated, wide detection range 3. Technical Specification: Power supply Humidity working range Humidity sensing element Output for humidity Accuracy of humidity Repeatability Hysteresis http://www.aosong.com Thomas Liu (Sales Manager) Email: thomasliu198518@aliyun.com , sales@aosong.com

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Humidity & temperature transmitter-AW 3485 AOSONG - 2

Your specialist in innovating humidity & temperature sensors Sensitivity for humidity Drift rate per year Temperature sensor Accuracy of temperature Output for temperature Temperature working range Storage temperature range Case Electrical connection RS485 signal -40~80 Celsius -40~80 Celsius ABS Screw connector( Max1.5mm2) 5. Wiring diagram 1) Open back cover before installation, connect wires through the hole on back cover. 2) Fix back cover to the location you need using 3 pieces of M4 screw ( screws are supplied together with transmitter already). See below pictures. 6. Electrical...

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Humidity & temperature transmitter-AW 3485 AOSONG - 3

_Your specialist in innovating humidity A temperature sensors (2): Connection diagram between humidity transmitter and computer(example diagram) RS-485 humidity & temp. RS485 to RS232 module Computer (1). Setup Baud rate Set up Baud rate via dial switch located on humidity sensor's PCB board Thomas Liu (Sales Manager)

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Humidity & temperature transmitter-AW 3485 AOSONG - 4

_Your specialist in innovating humidity A temperature sensors Thomas Liu (Sales Manager)

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Humidity & temperature transmitter-AW 3485 AOSONG - 5

_Your specialist in innovating humidity A temperature sensors Thomas Liu (Sales Manager)

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Humidity & temperature transmitter-AW 3485 AOSONG - 6

_Your specialist in innovating humidity A temperature sensors Thomas Liu (Sales Manager)

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Humidity & temperature transmitter-AW 3485 AOSONG - 7

Your specialist in innovating humidity & temperature sensors 253 (3). Data format from host First byte Function explaination Second byte Third byte Fourth byte Fifth byte Sixth byte Eighth byte Address code Function code High 8 bits of register's address Low 8 bits of register's address High 8 bits of register's quantity Low 8 bits of register's quantity High 8 bits of CRC code 0X01 Example of data from host (4). Data format from humidity & temp.sensor First byte Second byte Third byte Fourth byte Fifth byte Sixth byte Seventh byte Eighth byte Ninth byte Address Function explaination code...

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Humidity & temperature transmitter-AW 3485 AOSONG - 8

Your specialist in innovating humidity & temperature sensors unsigned short crc16(unsigned char *ptr, unsigned char len) { unsigned short crc=0xFFFF; unsigned char i; while(len--) { crc ^=*ptr++; for(i=0;i<8;i++) { if(crc & 0x01) { crc>>=1; crc^=0xA001; } else { crc>>=1; } } } return crc; } (7). Illustration of communication parameters Communication Baud rate Data bits Stop bits Parity bit parameters Value of communication Set up Baud rate 8 1 None meters via dial switch Regarding parity bit, our standard product's parity bit is None, but we offer OEM services to our customers. If customer...

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Humidity & temperature transmitter-AW 3485 AOSONG - 9

Your specialist in innovating humidity & temperature sensors Measure values maybe influenced by follow factors: Humidity errors Equilibration time too short, steam, water sprays, dripping water or condensation at the sensor, etc. Temperature errors Equilibration time too short, cold or hot outside wall, sunlights, heating elements, etc. 9. Cautions: Proper location of the room humidity sensor is important to ensure accurate measurement of representative air samples. Place the sensor in an area of room that has good air circulation. Install the sensor on a flat interior surface,...

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Humidity & temperature transmitter-AW 3485 AOSONG - 10

Your specialist in innovating humidity & temperature sensors modification or integration increases the time or difficulty of servicing the product. Special notes: quality problem caused by following reasons is not warranted: (1): Damaged by human factor (2): Application beyond the using range as stated in product's technical specification (3): Damaged by corrosive or acid or alkaline air http://www.aosong.com Thomas Liu (Sales Manager) Email: thomasliu198518@aliyun.com , sales@aosong.com

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