EA025 Headstage Module

Fit 1 to 8 modules inside the ER825 C4D multi-channel Detector
Allows connection of C4D headstage to ER825

Overview
Specifications
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The EA025 Headstage Module is required to connect a C4D headstage to an ER825 C4D multi-channel Detector.

It provides push-pull excitation frequencies from 10 kHz to 2 MHz, at amplitudes of 100 mV to 20 Vpp. Gain, filter settings and offset are all software controlled. In addition, it identifies the headstage type and settings.

Up to eight EA025 units can be fitted inside the one ER825 system.

Output Driver Single Ended: 20 Vpp sine wave (100% range) with 50 mA max
Output Driver Differential: (optional) 40 Vpp effective (100% range) with 50 mA max
Output Frequency: 10 kHz to 2 MHz
Amplitude stability: Better than 1:1000 (feedback control)
Input connector: 10 Pin Lemo equivalent
Headstage Amplifier: Programmable Gain Amplifier with x1, x10, x100 ranges
Input range: ±5 V
Offset range: ±5.5 V with ±10 V range from ER825 system
Drift RTI: [2 + 6/Gain] µV/°C
Selectable Filters: No filter (unfiltered bandwidth 1000 Hz), 10 Hz and 1 Hz Low pass 3 pole Bessel

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Ordering: EA025 Headstage Module

Also see:

ER825 Multi-Channel Contactless Conductivity Detector

EA010 GP Analog Input Module