News: PT1000 4CH Modbus Wide Range Temperature Sensor Collector PT100 RTD Platinum Thermal Resistance RS485 Remote Analog Quantity PTDNC04

Product link: https://eletechsups.com/index.php?main_page=advanced_search_result&search_in_description=1&keyword=PTDNC04

PTDNC04 is a PT100/PT1000 RS485 collector developed and produced by eletechsup. It uses low-cost components and reasonable and ingenious design to achieve cost-effective PT100/PT1000 sensor temperature and resistance value collection.









PTDNC04 PT100/PT1000 RS485 Acquisition module Description:





Power supply voltage: DC 6~25V

Working current: 20MA

MODBUS RTU protocol, 03 read command, 06 or 16 write command.

Serial port baud rate: 1200-115200,9600 (default), N, 8, 1

By modifying the 485 address, up to 247 modules can be cascaded (please use RS485 repeater for more than 16)

Can read temperature and PT100/PT1000 resistance value

Applicable sensor: PT100/PT1000 3-wire or 2-wire sensor

Temperature measurement range: A version -40℃ to +220℃; B version -40℃ to +500℃. It is recommended to choose a version with a smaller range within the measurement range.

Temperature measurement accuracy: 1%, if the temperature deviation is too large, please recalibrate

Dimensions: 72 X 46 X18MM (board only), 79 X 49 X40MM (with shell)

Weight: 32g (board only), 78g (with shell)



MODBUS RTU protocol please refer to : ''PTDNC04 Modbus Rtu Command ''









PT100 sensor specifications:



Type: PT100

Probe Diameter: 6.5mm

Probe Length: 30mm

Probe Material : Stainless steel

Cable Length: 0.5M

PTFE sheath 3-Wire type

Temperature -200~550°C degree

Nominal accuracy : 0.1%





PT1000 sensor specifications:



Wire: PVC

Wire temperature resistance: -20~+108℃

Probe temperature range: -60~260℃

Measurement accuracy: 0.1%

Probe diameter: 5MM

Probe length: 45MM

Probe material: stainless steel shell

Total cable length: 1.5 meters

Weight: 32 grams











The PT100/PT1000 sensor probe is a variable resistor, regardless of positive or negative poles.

3-wire probe wiring method: red wire connected to P+, the other two wires of the same color connected to P- and GND (without distinguishing between ports).

2-wire probe wiring method: red wire connected to P+, blue wire connected to P-, P- and GND are connected with wires.