UT35A-001-11-00_YOKOGAWA_PRODUCT_吉林易择科技技术发展有限公司

The Yokogawa UT35A-001-11-00 is a Signal Conditioner / Isolator designed for use with RTD (Resistance Temperature Detector) sensors, specifically Pt100.<br /> Its primary function is to accept the weak and noise-sensitive resistance signal from an RTD, electrically isolate it from the source to prevent ground loops and noise interference, convert it into a robust, standardized analog output signal (such as 4-20 mA), and transmit this signal to a PLC, DCS, or other control/monitoring system.

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Technical Parameters
Category Parameter Specification
Input Signal Type 3-wire Pt100 RTD (Conforms to JIS C 1604-1981, IEC 60751)
Measuring Range -200 to +850 °C (Field selectable via DIP switches)
Lead Resistance Compensation Automatic compensation for up to 15 Ω per lead wire (3-wire connection).
Output Signal Type 4 to 20 mA DC, 2-wire system
Load Resistance Max. 550 Ω (at a power supply voltage of 24 VDC)
Isolation Output is isolated from the input and power supply.
Power Supply Rated Voltage 24 VDC (±10%)
Power Consumption Approx. 1.1 W
General Performance Accuracy ±0.1 % of span (includes linearity, hysteresis, and repeatability)
Response Time ≤ 0.5 sec (to reach 90% of final value)
Isolation Strength • Between Input/Output/Power: 1500 VAC for 1 minute
• Between Input/Ground: 500 VAC for 1 minute
Isolation Method Tri-port Isolation (Input, Output, and Power Supply are isolated from each other)
Ambient Temperature -20 to +70 °C
Mounting Standard DIN rail mounting (TS35 × 7.5 or 15 mm)
Certifications Typically CE, UL, cULus, ATEX, IECEx (Please refer to the product label and latest manual for specific models).

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