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DT-321 ( Digital Temperature Control Relay )

DT-321 ( Digital Temperature Control Relay )

DT-321 ( Digital Temperature Control Relay ) – Intelligent PID-based controller for wide-range and precise temperature regulation.

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Description

The DT-321 ( Digital Temperature Control Relay ) is a high-performance, microprocessor-based PID controller designed to maintain stable temperature in environments requiring precise thermal management. With a measuring and control range of -30°C to +150°C, and support for NTC sensors, it is suitable for a wide variety of heating and cooling applications.
This relay features ON-OFF control, OUT and ALARM outputs, and configurable upper and lower limits for both setpoint and alarm, with individually adjustable hysteresis. Advanced functionality includes relative, absolute, or band alarms, ON-delay for cooling, sensor failure timers, and an input offset feature.
With excellent linearity, high accuracy, password protection, EEPROM memory to retain settings, and plug-in connectors for easy installation, the DT-321 is a reliable and versatile solution for industrial systems, HVAC setups, and environmental control panels.

Trusted. Verified. Authorized.

Our Certifications

Proudly certified and verified by Samwha DSP as an
official distributor of premium electrical accessories.

WhatsApp Image 2025 02 08 at 17.06.04_cb9cdb8f e1739035373198
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Issued by Samwha DSP, this official document certifies the holder as an authorized distributor of genuine solar and electrical accessories. It confirms a trusted partnership, allowing the distributor to sell, promote, and support original Samwha DSP products within designated regions.

This certificate ensures supply chain transparency, reduces counterfeit risks, and builds customer confidence. Recognized distributors meet Samwha DSP’s standards in product knowledge, ethical sales, and customer service. Whether displayed online or in-store, it serves as a seal of authenticity and trust.

WhatsApp Image 2025 02 08 at 17.06.04_cb9cdb8f e1739035373198
5

Issued by Samwha DSP, this official document certifies the holder as an authorized distributor of genuine solar and electrical accessories. It confirms a trusted partnership, allowing the distributor to sell, promote, and support original Samwha DSP products within designated regions.

This certificate ensures supply chain transparency, reduces counterfeit risks, and builds customer confidence. Recognized distributors meet SamwhaDSP’s standards in product knowledge, ethical sales, and customer service. Whether displayed online or in-store, it serves as a seal of authenticity and trust.

Trusted. Verified. Authorized.

Our Certifications

Proudly certified and verified by Samwha DSP as an official distributor of premium electrical accessories.

Certificate of Letter of Authority

Issued by Samwha DSP, this official document certifies the holder as an authorized distributor of genuine solar and electrical accessories. It confirms a trusted partnership, allowing the distributor to sell, promote, and support original Samwha DSP products within designated regions.

This certificate ensures supply chain transparency, reduces counterfeit risks, and builds customer confidence. Recognized distributors meet Samwha DSP’s standards in product knowledge, ethical sales, and customer service. Whether displayed online or in-store, it serves as a seal of authenticity and trust.