PLUGSYS Electrometer Module (EMM)

Electrometer Module

Use to measure CO2 concentration or ion concentrations in biological fluids such as perfusate for isolated perfused organs, using appropriate electrodes

Item# Description
73-0212 Electrometer Module (EMM)
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The Electrometer Module (EMM) is a high-impedance electrometer plug-in amplifier for the PLUGSYS measuring system. It is used to measure continuously concentrations with potentiometric electrochemical sensing electrodes.

The main application is recording of pCO2 or Na+, K+ and Ca++ concentrations in biological fluids such as perfusate for isolated perfused organs, using the corresponding electrodes.

The input circuit of the module includes an isolation amplifier (potential separation between sensing electrode and circuit ground of the PLUGSYS measuring system) to avoid measurement errors due to ground loops and leakage currents.

Specifications
Item # 73-0212
Connector DIN 41612, 96-pin VG
Display 3-1/2 -digit LED display
Gain x10, x20, x50, x100 set internally using jumper
Input Floating single-ended input, isolated barrier internally clamped to 300 V
Input Bias Current ± 300 fA
Input Connector Isolated BNC connector
Input Impedance 1015 Ω
Millivolt Range ±1200 mV
Output On BNC connector on front panel (± 10 V output, impedance 100 Ω)
PLUGSYS Width 2 slot units
Power Supply +5 V/450 mA
Resolution ± one least significant digit
Simulation Physiological measuring range for calibrating recording output can be simulated using 2 corresponding push buttons; for each simulated value can be adjusted in range of ±150 mV
Suppression Only active on output, adjustable with 10 turn trimmer (max. ±10 V; suppression can be switched on and off
DOCUMENT DESCRIPTION
73-0212_G_EMM_EN.pdfPLUGSYS Electrometer Module (EMM) User's Manual, Version 1.0