HANNOVER MESSE 2018, 23 - 27 April


Logo Dotech
Exhibition stand
Hall 26, Stand E38
Topic: Korean Pavilion - KOTRA
Co-exhibitor with
Korea Trade-Investment

Company Data

Dotech Inc.

6f, Joongang Ilbo Bldg
Dongsan-ro 30
15434 Ansan-si
Korea, Republic of
Send E-mail
Fax: +82 31 4953917


Mr. Jimmy Lim
Deputy general managr
Send E-mail
Fax: +82 31 495 3917


Type of company

Year founded

Company profile

DOTECH INC. which is based in Korea is one of fast growing manufacturing companies in supplying a broad
range of products for HVAC&R applications to both domestic and overseas markets.
Controllers range is from the simplest one with single board to sophisticated and intelligent microprocessor based products capable of RS485 communication with upper systems such as HMI, personal computer, touch screen and displaying status of equipments, storing trip messages in non-volatile memory as well.
In addition to this, our product line includes various kinds of temperature & humidity transmitters (sensors) with 4 to 20mA output or RS485 (Modbus), thermostat & humidistat for general use purpose and refrigeration
applications such as showcase and cold room.
We aim to become one of the best, faithful and trustworthy worldwide manufacturers and suppliers who is dedicated and committed to provide goods to valued and potential customers at a very high quality, reliability and reasonable price.

Company website



-.Temperature, humidity and dew point temperature transmitter with an economic price · Compact probe type · Wide measurement range: 0 ~ 100%RH, -40 ~ 80°C · Easy connection through a detachable screw type probe cable · Different types of outputs such as voltage, current and digital · Easy maintenance more


Integral & flush type transmitter Application of high resolution graphic LCD Capacitive touch button Displays four measured values (Diff. press, temp. humidity and dew point temp.) at once Display function of trend data graph 2 digital alarm outputs 3 analog (4~20m A) outputs RS485 Modbus RTU communication Front more


High pressure protection, Low pressure protection, Oil pressure protection, an integrated high pressure fan control Automatic / Manual reset, Selection of various refrigerants Precise pressure control, Sensor offset, Sensor error detectionread more


DPX200 integrates the functions of high and low pressure switches and gauges. It measures the low pressure of suction and the high pressure of discharge of compressor and outputs the warning signals when the high or low pressure is out of more


DPX100 is a digital pressure switch with functions of several pressure switch and gauges. It measures the low pressure of suction or the high pressure of discharge of compressor and controls the pressure within predetermined more


HUMITRON® HTX73 series is an economical model for the general climate controlling environment and makes it possible to measure the exact temperature and humidity. Also, HTX73 series can maintain long-term durability in the circumstance where is dusty and occurs constant air flow by applying stainless more

FX3D Multi Digital Controller

The FX3D Multi Digital Controller has the following main functions: - Heating/cooling output, independent timer output, high/low alarm output - Defrost output, precise temperature control, sensor correction, sensor error detection - Data backup, min. on/off maintaining time setup, RS485 communication more

DX330 for air compressor

- Reducing the energy costs using VSD (Variable Speed Drive) Using inverter, the revolution of motor can be freely set up by either a microprocessor or users, so it is possible to start and stop flexibly. Also, it has users reduce energy cost by getting efficient and economic operation cost comparing more

Refrigeration/AHU (FX32K)

The FX32K for Defrost factor Controller has the following main functions: - Efficient defrosting in geothermy heat pump system - Defrosting execution by measuring of ambient humidity and temperature Input & Output: - Relay output : 2 point, - Digital input : 1 point - Temp. sensor input : 2(3) point, more

Sensors and Transmitters (HTD500 series)

HTD500 series is an ultra-precise temperature & humidity transmitter for environmental measuring which integrates micro processor with a digital sensor based on MEMS technology. It makes precise control and efficient observation possible by transmitting measured temperature and humidity information to more

Industrial htx temperature / humidity transmitter for modbus

rtu/ascii-based communication environment, differential interface Compact slim size - Error display - Differential power input (DC9V~DC24V) - RS485, Modbus protocol / - IP65 Housing - Precise control (temperature +/- 0.3°...humidity +/-1.8%RH ) - Digital correction / - Display / - Dew-point - 4 to 20 more

Fx-multipurpose temperature controller

Easy to use, reliable and reasonably priced - Compact electronic control based on microprocessor - Relay output (1 to 4) according to model (manually control each model) - Precise temperature control - Differential sensing function - AC100~240VAC (50/60Hz) free voltage - International standard protocols more


suitable for refrigeration, air handling units, air compressor and booster pumps - Screw compressor : DX200, DX220, DX240, DX270 - Multi rack: DX260 - Geothermy Heat pump: DX230H, DX200H, DX220H - Recipro / Scroll : DX230 - HVAC : DX100, DX120, DX140 - Air compressor : DX320, DX330, DX350, DX380 - Booster more

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