LOW THERMAL EMF REED RELAYS
The 3500 Series is ideally suited to the needs of Instrumentation, Data Acquisition and Process Control. The specification tables allow you to select the appropriate relay for your particular application. Recommended for use in high accuracy DVM’s, Multiplexers and Digital or Analog Multipoint Recorders. If your requirements differ from the selection options, please consult Coto’s Factory to discuss a custom reed relay. Refer to page 41 for Thermal EMF test methods.

3500 SERIES FEATURES
◆ Low Thermal EMF: < 10 µV through < 0.5 µV with 50 nV stability.
◆ Patented Low Thermal Design. Patent #4,084,142.
◆ Low power coils to ensure low thermal EMF.
◆ High Insulation Resistance - 1012 Ω
◆ Control/Signal isolation of 1500 VDC
◆ High reliability, hermetically sealed contacts.
◆ Form A, Dry or Hg Wet contacts. High Dielectric Strength.
◆ Epoxy coated steel shell provides magnetic shielding.