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