In the standard version, 5 or 10 charge-discharge circuits are combined in one cabinet with a common power supply. Each circuit is provided with its own control unit and the respective power unit. Three-phase AC ensures the mains supply. GUBT25/50A12V can resolve the main power failure problem and continue with testing automatically after that.
The programmable control unit is the core of each charge-discharge circuit. It is a standalone microcomputer system for a data logging and precise control of analogue measured values. It also assumes the processing of stored test programs.
In the manual operating mode, it is possible to select one of the stored programs No 1-8, interrupt and terminate the program by pressing the respective button. Digital instruments for battery voltage and current are fitted on the front panel.
Automatic operating mode is made via host computer with GBTS106 party line host computer software.
Testing:
C-20 twenty hours capacity
Rc spare capacity (reserve)
Cycling
Life time period testing
Charge acceptance
Charge retention
Water consumption.
Examples: Figure 2, figure 3, figure 4, figure 5.
Figure2. Testing on capacity C-20
Figure 3. Spare capacity Rc
Figure 4. Life time testing in cycles
Figure 5. Charge acceptance
Etc…
The Programs
All tests programs can be split into steps, where certain operations must be executed under well-defined conditions. Each step is fixed in a program line.
Each program step is divided into columns and each column has a headline describing its function.
Column explanations:
Column: Label
Each program step can be labeled which is used for controlling of program executing.
Column: Operation
Each program step starts with an operator determining the function of the test circuit. The operator names are simple abbreviations of the respective functions (charge, discharge, ramp, cycle, pause, stop).
Column: Set value
As nominal values for this step may be entered current, voltage or resistance of power values.
Column: Term. condition
The termination values current, voltage, time, capacity, energy and temperature determine the end of a program step and thus the beginning of the next program step. In building of condition can be used logical operators AND, OR, NOT.
Column: Term. action
Possibilities for The Term. Action columns are:
GOTO label -transfers program control to the specified program step
NEXT -goes to the next program step
STOP -terminates program
Column: Abort condition
The values entered under this column may be the same as for the termination values. However, in this case, the program run will be terminated if one of these limit values is reached.
Column: Registration
The conditions for the registration are entered into the last column. These may be time intervals or changes in current, voltage, capacity, energy or temperature.
Technical Data
GUBT25/50A12V (5 units 25A/12V and 5 units 50A/12V)
Charge/discharge current:
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25A/50A
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Nominal battery voltage:
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12V
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Charge voltage range:
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10V-18V
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Discharge voltage range:
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5V-16V
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Accuracy:
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0,5% of set value
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Power circuits:
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Transistors
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Controlled characteristics:
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constant current, voltage, power, resistance
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Control elements:
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main switch, program selector switch, party line connection, start and stop buttons
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Displays:
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LED’s for power, active, charge, discharge, digital instruments for current and voltage with additional test sockets
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Controlled variables:
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current, voltage, power and resistance
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Termination values:
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charge time, charge voltage, charge current, Ah charged, Wh charged, discharge time, final discharge voltage, discharge current, Ah discharged, Wh discharged
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Programmable functions:
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charge, discharge, pause, cycles, cycles in cycles, “go to” steps
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Display of measuring values:
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during operation permanently on the monitor of the host computer
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Displayed and printed measuring values for each program step:
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voltage, current, time
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Power requirements: 3x380V/50Hz
Ambient temperature: 10 to 40C.
Price:
Gaus Universal Battery Tester GUBT25/50A12V (5x25A/12V+5x50A/12V) 29850 US$
Delivery Time: three months
Warranty Period: 1 (one) year
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