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Th11S RS485 temperature and humidity transmitter

Product Details:

1、 Product overview

Th11s temperature and humidity transmitter uses the imported temperature and humidity sensor probe to measure the temperature and humidity in the air. It is widely used in machine rooms, medicine warehouses, ice warehouses, workshops, books and archives management, laboratories and other places that need temperature and humidity measurement and control.

2、 Product features

★ built in probe, LCD large screen display design, light and beautiful.

★ wall mounted ceiling structure design, easy to install

★ high accuracy and good consistency.

★ RS485 communication output, standard Modbus Protocol

★ adopt fast terminal, safe and reliable

★ the unique air duct design prevents the circuit temperature rise from affecting the real test of the sensor.

★ the product has good protection performance, and the 485 bus can withstand 4.3kv lightning strike without damage.

3、 Main technical parameters

Rated voltage


measuring range

Temperature: -40 ℃ ~80 ℃

Humidity: 0 ~ 100% RH

measurement accuracy

Temperature: ± 0.3 ℃ at 25 ℃

Humidity: ± 3% RH at 25 ℃


2-wire, maximum communication distance, 1200m, terminal direct connection


0-255, select by pressing the key



Baud rate

2400 bit/s, 4800 bit/s, 9600 bit/s, 19200 bit/s, which can be selected by pressing the key

Base terminal block

V+ (1) system power + line

V- (2) system power line

Rs485+ (3) system transmission + line

Rs485- (4) system transmission line

Effective working area

10-20m2/ piece

Installation method

Indoor wall installation, ceiling ceiling ceiling installation


Main body: About 200g, base: About 50g,

Material Science

Fireproof ABS resin

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