SPT2040-MC 4 Channel RTD Acquisition Module

· Product Introduction

SPT Temperature Data Acquisition Module is precision-engineered based on a new-generation embedded system. The module features an isolated communication interface that supports direct communication with PCs or PLCs, as well as networking with multiple communication modules. Equipped with a transient suppression circuit, it effectively suppresses various surge pulses, ensuring reliable operation in harsh environments.

SPT2040-MC Series RTD Data Acquisition Module features 4-channel RTD signal acquisition. The module utilizes an advanced 24-bit Delta-Sigma high-precision ADC, achieving measurement accuracy better than 0.1% with temperature display resolution of 0.1°C. It provides triple isolation between power supply, input, and communication interfaces. Suitable for acquiring various temperature signals in industrial environments, it meets the requirements of demanding applications including industrial sites, medical electronics, security monitoring, smart buildings, smart homes, power monitoring, and process control scenarios.

This product requires independent power supply and adopts DIN 35mm standard rail mounting, enabling simple field installation and flexible deployment for various application environments.

· Basic Parameters

Power Supply DC12～36V(DC24V recommended)

Power Consumption ＜1.5W

Measurement Accuracy ±0.1%F.S（+25℃）

Temperature Drift ≤200ppm/℃

Sampling Rate ≤8Hz

ESD Protection ±15KV

Isolation Voltage 3000VDC

Power Protection Reverse connection voltage< -40V

Dielectric Strength 1500 VAC / 1 minute

(Power, Input, Output)

Insulation Resistance ≥100MΩ (Power, Input, Output)