The Nicolet HB-3 v32/v44 is a passive headbox designed for EEG signal acquisition in legacy Nicolet neurodiagnostic systems. This interface component connects to either the v32 or v44 amplifier, enabling electrode-to-amplifier signal coupling for the Nicolet Monitor, NicoletOne EEG/PSG systems, and related platforms. The headbox derives operating power directly from the connected amplifier and features a glow-in-the-dark overlay for clinical environments.
Technical Specifications
Amplifier Channels & Performance
• v32 Amplifier: 32 channels
• v44 Amplifier: 44 channels
• Sample Rate: Up to 2 kHz
• Bandwidth: 0.053 – 500 Hz
• A/D Converter: 16 bits
• ADC Resolution: 153 µV
• Noise: 100 MΩ common mode (v44 amplifier)
• CMRR: > 115 dB @ 50 – 60 Hz (v44 amplifier)
Physical
• Dimensions: 6″ × 4.25″ × 0.5″ (15 cm × 10.5 cm × 1.5 cm)
• Weight: 0.4 lbs (0.18 kg)
– Key Features
• Passive headbox topology—no active electronics in the probe itself
• Glow-in-the-dark overlay for enhanced visibility in low-light conditions
• Support for integrated SpO₂ (pulse oximetry) via OEM modules such as NONIN XPOD
• Compatible with Nicolet v32 and v44 amplifier DC inputs (e.g., Ch32 for v32/v44)
– Typical Applications
• Routine EEG monitoring
• Epilepsy monitoring
• Critical care neurodiagnostics
• Sleep disorder evaluation
• Historical system maintenance and legacy system operation
• Research and clinical archival applications
– Compatibility & Integration
The HB-3 interfaces with Nicolet v32 and v44 amplifiers via dedicated DC inputs. Associated amplifiers feature auxiliary input pairs (AC or DC) and high-level DC inputs—v32 provides one high-level DC input; v44 provides twelve. The v32 amplifier communicates with NicoletOne System computers via Ethernet. NicoletOne software supports spike and seizure detection, trend analysis, topographic brain mapping, and optional sleep analysis packages.
