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UD1AG3-200N-1KD-2TA-N

Yokogawa Temperature Transmitter (YTA Series), Model: UD1AG3-200N-1KD-2TA-N
This is a head-mounted, two-wire temperature transmitter from Yokogawa's YTA series. It is designed to accept a Thermocouple (Type K) sensor input and convert it into a standardized 4-20 mA analog output signal proportional to the measured temperature, incorporating HART® 7 protocol for digital communication and configuration.

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Key Technical Parameters Summary
Input: Thermocouple Type K (Chromel-Alumel)

Range: 200 to 1200 °C (can be limited and adjusted within this span)

Output: 4-20 mA DC, 2-wire system, with HART® 7 protocol

Power Supply: 12 to 42 V DC (standard loop power for 2-wire instruments)

Ambient Temperature: -50 to 85 °C (-58 to 185 °F)

Housing: Aluminum Die-Cast (suitable for harsh conditions)

Display: Integrated LCD Indicator

Safety Approvals (Primary):

ATEX/IECEx/UKCA: Ex db IIC T6 Gb (Flameproof/Explosion-proof)

Mounting: Head-mounted (field-mounted on sensor connection head)

Electrical Connection: Two 1/2 NPT female conduit entries

Typical Applications
This transmitter with Flameproof certification is specifically designed for high-risk hazardous areas where the Flameproof method is preferred or required, such as:

Zone 1 and Zone 2 hazardous areas (ATEX/IECEx)

Class I, Division 1 areas (North American equivalent, though FM/CSA codes differ slightly)

Applications surrounding large motors, pumps, and in petrochemical plants where the installation philosophy is based on Explosion-proof protection.