Transcript Document
CheckMeter 2.3
Portable Working Standard
Page 1
March 2009
Applications
CheckMeter 2.3 integrates today’s requirements of a
Portable Working Standard for testing electricity meters
and meter installations:
Size & Dimensions
rigid design
light in weight
Accuracy
Class 0.2%
Functions
Meter testing
3-phase measurement
Current measurement
Voltage measurement
Energy measurement
Documentation
Data memory
Transfer to Windows©
Software CALSOFT I
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March 2009
Advantages
Precision test equipment for AC values in the 45 Hz to 66 Hz
frequency range
LCD display ¼ VGA (240 x 320 Pixels) with graphical user
interface
Wide measuring range with auto ranging
Display of vector diagram for analysis of mains conditions and
meter connections
Measurements of wave forms and harmonics with display
Easy detection of circuit connection faults
Data memory for test results and customer data
Small dimensions and light in weight
Serial interface (RS 232) for data transfer
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March 2009
Functions
Active, reactive and apparent energy measurement for singlephase and three-phase, 3- or 4-wire, circuits with integrated
error calculator
Impulse output for energy (galvanic isolation)
Registration of active, reactive and apparent energy for
register testing
Active, reactive and apparent power measurements
Current and voltage measurements
Phase angle measurements
Power factor measurements
Frequency measurements
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March 2009
Technical data
Basic Characteristics
10 ... 300 V
Auxiliary supply from
measurement circuit
Clamp-on CTs 10 mA ... 100 A
Measurements of:
voltage, current, active,
reactive and apparent power,
energy, frequency, power
factor, error measurement
Accuracy 0.2 %
Options:
CALSOFT I Software
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March 2009
Connections
Top and bottom view CheckMeter 2.3 without printer
[1] Phase connection
U1, U2, U3
[2] Neutral connection N
[3] Connection for CTs
[4] Pulse input / output
[5] Supply voltage connection
[6] RS 232 serial line interface
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March 2009
Connections
Front view CheckMeter 2.3 without printer
[7]
[8]
[9]
[10]
[11]
[12]
LCD display
Menu card keys
Cursor keys
Enter key
Start/Stop Impulses
Alphanumeric keypad
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March 2009
Connections
Top view CheckMeter 2.3 with integrated printer
[1] Supply voltage connection
[2] Phase connection
U1, U2, U3
[3] Neutral connection N
[4] Connection for CTs
[5] Pulse input / output
[6] RS 232 serial line interface
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March 2009
Connections
Front view CheckMeter 2.3 with integrated printer
[7]
[8]
[9]
[10]
[11]
[12]
LCD display
Start/Stop Impulses
Cursor keys
Alphanumeric keypad
Menu card keys
Integrated printer
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March 2009
Current clamps to
the CheckMeter 2.3
Error compensated clamp-on CTs
for measurements in the range
10 mA … 120 A, cable diameter
max. 10 mm
Clamp-on CTs for measurements
in the range 10 mA … 120 A,
cable diameter max. 52 mm
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March 2009
Operation Concept
Symbols
Display
Control Keys
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March 2009
Operation Concept
Status Indication
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March 2009
Operation Concept
Main Menu
Meter Testing
Measurement of load values
Vector diagram
Energy measurement
Basic settings
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March 2009
Operation Concept
Meter Testing
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March 2009
Operation Concept
Measurement of Load Values
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March 2009
Operation Concept
Harmonics Analysis, Waveform Display, Vector Diagram
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March 2009
Operation Concept
Energy Measurement
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March 2009
Operation Concept
Administrative data set (ADS)
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March 2009
Operation Concept
Examples of test results
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March 2009
Windows©-Software
CALSOFT
Selection of real
time readout
or
readout of sets of
data from memory
of CheckMeter 2.3
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March 2009