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UD1BG3-030N-1KC-2SA-N/CN

Yokogawa Temperature Transmitter (YTA Series), Model: UD1BG3-030N-1KC-2SA-N/CN
This is a head-mounted, two-wire temperature transmitter from Yokogawa's YTA series. It is designed to accept a RTD (Pt100) sensor input and convert it into a standardized 4-20 mA analog output signal proportional to the measured temperature. This particular model is configured for general-purpose industrial applications with a standard (N) accuracy grade and features intrinsic safety (Ex ia) and non-incendive (Ex n) certifications for use in hazardous areas. The terminal cover and nameplate are supplied in Chinese (CN).

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Key Parameters
Input: RTD Pt100 (100Ω at 0°C, α=0.00385)

Range: -200 to 300 °C (can be limited and adjusted within this span)

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

Accuracy: Standard (±0.15% of URL)

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

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

Safety Approvals:

ATEX/IECEx/UKCA: Ex ia IIC T6 Ga (Intrinsic Safety) / Ex nA IIC T6 Gc (Non-Incendive)

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

Housing: Plastic (ABS)

Display: None

Electrical Connection: Two 1/2 NPT female conduit entries

Typical Applications
This transmitter is widely used in various process industries requiring reliable temperature measurement, including:

Oil & Gas

Chemical & Petrochemical

Pharmaceuticals

Power Generation

Water & Wastewater Treatment