Humidity & temperature transmitter-AQ 3485 AOSONG
10Pages

Your specialist in innovating humidity & temperature sensors Relative Humidity & Temperature Transmitter Transmitter without LED display AQ3485 Capacitive humidity & temperature transmitter for Wall or Outdoor 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 Sensitivity for humidity http://www.aosong.com Thomas Liu (Sales Manager) Email: thomasliu198518@aliyun.com , sales@aosong.com

_Your specialist in innovating humidity A temperature sensors 5. Electrical connection diagram Thomas Liu (Sales Manager)

_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 *Four-core shielded cable as outgoing line, the fours cores are red wire, yellow wire, white wire, black wire. Thomas Liu (Sales Manager)

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

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

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

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...

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...

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. 8. Cautions: Proper location of humidity sensor is important to ensure accurate measurement of representative air samples. Place the sensor in an area that has good air circulation. Avoid locating the sensor: * Near heat sources, such as radiant heat from...

Your specialist in innovating humidity & temperature sensors 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