From mineral-insulated Pt100 assemblies to head-mounted transmitters and cable thermocouples — six models cover pipelines, vessels, machinery and OEM monitoring. Every unit is factory-tested and supported by YOYI engineers for its entire life cycle.
Flexible mineral-insulated RTD and thermocouple assemblies for precise, high-temperature process duty.

Mineral-insulated Pt100 resistance thermometer for precise process temperature.
Pt100 (RTD) · A / B (IEC 60751)
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Mineral-insulated thermocouple for high temperature process duty.
K / E / J / T / N · From 0.25 mm Ø
View Details →Head-mounted transmitters that turn any sensor into a 4-20 mA or RS485 Modbus loop.
Hirschmann-head, integrated and cable-type sensors for retrofit, machinery and monitoring.

Hirschmann-head RTD / thermocouple assembly for industrial process duty.
Hirschmann (DIN form B) · Pt100 / thermocouple
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Integrated industrial temperature sensor with 4-20 mA / RS485 output.
-50 … +200 °C · 0.5%
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Cable-type thermocouple (B, E, J, K, N, R, S, T) with IP68 cable.
B / E / J / K / N / R / S / T · -50 … 200 °C (400 °C opt.)
View Details →Tell us the medium, range and installation — YOYI engineers will recommend the right instrument within one business day.