Dummy Cell For Booster; Test Box 2 - Bio-Logic VMP-300-based Installation And Configuration Manual

7.5.2 Dummy cell for booster

The Dummy cell for booster is specifically dedicated to
periodically check a booster. The dummy cell for booster
is provided with each booster chassis.
Dummy cell for booster and DC2 can be bound together
as well.
Characteristics of the dummy cell are given in the
following table:
Resistance Tolerance
5 mΩ
1%

7.5.3 Test Box 2

The Test Box 2 is a tool specifically designed for
checking the calibration of the standard channel
boards of our instruments. This test box is made
of one electrical circuit with high precision resistors
for calibration check and two dummy cell circuits
for user training. The high precision resistor circuit
is made with 7 resistors, one to check each current
range of the board.
High precision resistor characteristics:
Fig. 99: Dummy Cell-2
Temp. Current
coeff. Max
+/- 50 20 A
ppm/°C
High precision resistor
10 Ohms +/- 0.04%
100 Ohms +/- 0.02%
1 kOhms +/- 0.02%
10 kOhms +/- 0.02%
100 kOhms +/- 0.02%
1 MOhms +/- 0.02%
10 MOhms +/- 0.04%
Manual for VMP300-based instruments
Power
Max
7 W Fig. 100: Dummy Cell for Booster.
Fig. 101: Test Box-2.
I range
1 A
100 mA
10 mA
1 mA
100 µA
10µA
1 µA
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