Introducing Standex Detect, a New Name in Precision Electronics

Standex Detect is part of the newly rebranded Standex Electronics family. Our focus remains on precision reed switches, sensors, and relays that deliver the right design, at the right time, at the optimal cost. Read our press release to learn more about how this change strengthens our global collaboration and innovation.

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BT/BTS Series Reed Relay

The BT/BTS Series is a precision-engineered low thermal reed relay designed for ultra-sensitive signal switching in high-accuracy measurement systems. Featuring epoxy encapsulation and optimized thermal balancing, these relays achieve offset voltages below 1 µV, making them ideal for applications where even the smallest thermal disturbance can affect signal integrity.

Available in DPST-NO (Form 2A) configurations, the BT/BTS Series supports switching voltages up to 1,000 VDC, rated power up to 100 W, and currents up to 1.0 A. With coil voltage options of 5 VDC, 12 VDC, and 24 VDC, and coil resistance ranging from 350 Ω to 5000 Ω, these relays offer versatile integration into precision instrumentation and automated test environments. Their low thermal characteristics make them a superior alternative to semiconductor switches in ultra-low voltage applications.

Standards and Certifications

REACH Compliant RoHS Compliant IEC Qualified
  • Ultra-low thermal offset (<1 µV) for high-precision signal switching
  • Epoxy encapsulated design for thermal stability and durability
  • DPST-NO (Form 2A) contact configuration for dual-channel switching
  • Rated for up to 100 W, 1000 VDC, and 1.0 A
  • Coil voltage options: 5 VDC, 12 VDC, 24 VDC
  • Magnetic shielding for reduced interference in dense assemblies
  • Through-hole mounting for secure PCB integration
  • Ideal for low-level signal switching in sensitive environments
Coil Voltage (VDC)5, 12, 24
Coil Resistance (Ω)350-5000
Contact Form2A (DPST) Normally Open (N.O.)
Rated Power Max.100W/1000VDC/1A
  • Data Acquisition Systems: Low-offset switching for sensor and transducer inputs
  • Precision Measurement Devices: Reliable signal control in metrology instruments
  • Automated Test Equipment (ATE): High-isolation switching in test matrices
  • Scanners & Recorder Inputs: Stable relay performance for analog signal paths
  • Medical Instrumentation: Low-leakage switching in diagnostic systems
  • Thermocouple Switching: Accurate signal routing in temperature measurement setups

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