SIU-91A Isolator

The SIU-91A is an improved version of the SIU-90 constant current isolator. While functionally identical to the SIU-90, the SIU-91A offers significantly faster rise times and lower noise. The SIU-91A features a new ultrahigh isolation DC to DC converter operating at 125 KHz eliminating the need for expensive battery replacements.

Features:

• Gated constant current source
• High compliance voltage (>100VDC)
• Leakage current less than 1 microamp
• Current set by precision 10 turn dial
• Up to 10 mA pulsed current output
• External power supply included
• Internal rechargeable battery for even lower noise operation
• 10 microsecond pulse rise time
• Output short circuited when pulse off
• DC to DC converter operates at 125Khz,
• residual noise is outside of the range of most biological signals