• TTD2,3,4 Digital Temperature Transmitter/Controller

TTD2,3,4 Digital Temperature Transmitter/Controller

T2,3,4 and TT2,3,4 series temperature sensors and transmitters are designed for immersion or critical temperature monitoring in industrial and commercial HVAC systems. These sensors and transmitters can be used for temperature monitoring in duct air, water and vapor pipe and outside air in various industrial plant, clean room, lab, machine room, office, airport, station, library and stadium, etc.

Product Details

Quick Details


These sensors/transmitters can be used for temperature measurement in duct air(T2/TT2), water and steam pipe(T4/TT4) and outside air(T3/TT3)
 High performance thermistor & RTD, ensure accurate temperature measurement
 Multiple output optional, Light and state of art housing, easy installation
 Over voltage and reverse polarity protection, high reliability and anti-interference capability
 Wide temperature range and fast response
 High protection rate up to IP65
 T2,3, 4 series temperature sensor
Sensor:  High accuracy thermistor or RTD
Output:  Thermistor /RTD, 2 wires or 3 wires
Accuracy:  typical ±0.2~0.4°C@25°C, see models
Wiring:  2 wires or 3 wires (RTD) (3 wires connection could obtain better accuracy)
TT2, 3, 4 series temperature transmitter
Sensor:  thermistor or RTD, see models
Range:  see models
Output:  thermistor or RTD, see models
Output Load:  ≤500Ω (current), ≥2KΩ(voltage)
Total accuracy:  ≤±0.5°C@0~50°C, see accuracy curve
Power:  Current 18.5~35VDC (Rload=500Ω) 8.5~35VDC (Rload=0Ω)
Voltage 15~35VDC,15~28VAC
Work Temp.: -40~85°C, 0~95%RH (Non condensing)
Medium Temperature:  -40~100°C
Storage Temperature:  -40~85°C
Housing:  fireproof ABS, SS probe, SS Well
Protection:  IP65
Approval: CE
T/TT2,3,4 Series Temperature Sensor/Transmitter

Company Profile

Shenzhen CATIC Intelligent System Co., Ltd. is a high technology company engaged in the fields of automation system applications and instrument development & manufacture. We are based on the HVAC/R industry and supplying various instrument and control products and services. We have two business departments. One is for engineering services of automation systems and the other is for instrument distribution. We are partner of many well known foreign companies.

As a system integrator for Honeywell and Siemens, we are one of the key contractors in the fields of building automation and FMCS applications in various industries. We are an authorized distributor for Dwyer, Belimo, Autunes Controls, Autotran, SenseAir and Beck. Our products include pressure and differential pressure transmitters and gages, actuators, valves, temperature/humidity/dew point transmitters, level switches, flow meters and CO2 and CO transmitters. They are widely used in HVAC, semiconductor, food, pharmaceutical and biochemical, building automation, power plant, chemical, water treatment and environment monitor industries. Most of them are one of the most cost effective products in the world.

Meanwhile, we continue to develop and manufacture instruments in the fields of HVAC/R control and building automation. They are becoming substitutes of those of well known brands in the world. Along with the globalization of the world trade and economy, these products are going to the international market and will become one of the most competitive products in the world.

We have a very experienced technical development, support and sales team. With the goal of becoming a qualified supplier in the field, we will continue to try our best to satisfy customers all over the world.
Shenzhen CATIC Intelligent System Co., Ltd.


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