NPI ELC-03XS Operating Instructions And System Description page 18

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BRIDGE unit
The BRIDGE unit consist of (12) BRIDGE BALANCE M potentiometer, (43)
BRIDGE MODE LED and (44) BRIDGE MODE switch.
(12) BRIDGE BALANCE M potentiometer
Potentiometer for balancing the BRIDGE circuit; 10 M / turn, range: 0 to 100
M. The BRIDGE must be balanced correctly before using the series resistance
compensation in VC mode, because this measure is taken as value for the series
resistance compensation (see also 43 and 44).
(43) BRIDGE MODE LED
LED indicating that the BRIDGE circuit is active.
(44) BRIDGE MODE switch
Switch for activating the BRIDGE circuit. The active circuit is indicated by 43.
(45) CURRENT (nA) display
Display for the current at the electrode in XX.XX nA, i.e. 10.00 is 10 nA
(19.99 nA max.)
Note: If the ELC-03XS is equipped with the optional SEAL TEST circuit, the value of the
SEAL resistance is also shown at the CURRENT display in XX.XX G (19.99 G max.).
(46) CURRENT OUTPUT SENSITIVITY (V/nA) switch
7-position switch for selecting the amplification of the current output signal in
V/nA; range 0.1 V/nA to 10 V/nA.
(49) BIAS (CC) potentiometer
Ten-turn potentiometer for BIAS current cancellation of the headstage; (ten-turn
potentiometer, symmetrical, i.e. 0 pA = 5 on the dial), range: ±100 pA.
(50) OFFSET potentiometer
Ten-turn potentiometer for OFFSET cancellation of the electrode; (ten-turn
potentiometer, symmetrical, i.e. 0 mV = 5 on the dial), range: ±100 mV.
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version 2.2
ELC-03XS User Manual
page 18