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Meter Test Systems
Transformer Test Sets
Power Quality Analyzers
Digital Substation Solutions
1
Meter Test Systems
MTS ME 3.1KM
Multipurpose Test System (stationary)
The MTS ME 3.1K is meant for conducting adjustment
and accuracy tests of service-class or referenceclass measuring instruments of electric quantities.
Supplied as typical equipment for test labs.
The implied use is testing and adjustment of referenceclass or service-class instruments involved in power
quality measurements. The new functions implemented
in this version, namely, generation and measurement
of 50 harmonics including interharmonics (0.5th, 1.5th,
2.5th...50.5th) make it possible to test instruments
measuring power quality (see p. 5 for details).
Basic delivery package:
Energomonitor 3.1KM reference-class meter;
Energoforma 3.1 Programmable waveform generator;
current amplifier (3 ps.);
voltage amplifier (1 p.);
switchgear unit;
meter test accessory kit;
Energoform software, Energomonitoring software;
USB to 4COM adapter.
MTS ME 3.1KM-S-05
is supplied with
Energomonitor
3.1KM-S-05,
accuracy class 0.05
MTS ME 3.1KM-S-02
is supplied with
Energomonitor
3.1KM-S-02,
accuracy class 0.02
Accessories:
CVFC
Current/Voltage-to-Frequency Converter,
accuracy class 0.02
SMCD
Shunt Meter Calibration Device
(up to 3 meters)
Suspension rack
for one three-phase meter
for three three-phase meters
2
Precision-turns coils
for testing clamp-on instruments:
100-turns coil
20-turns coil
10-turns coil
DCA
Amplifier of DC voltage and current
IDV-3.1
Inductive divider of voltage
Mars-Energo
Version 01.08.2015
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Meter Test Systems
MTS ME 3.3
Mobile Test System for electric energy meters
The MTS ME 3.3 is meant for testing serviceclass or reference-class measuring instruments
commercially used in the power industry. On-site or
in-lab tests of instruments (including electric energy
meters) can be conducted in automated mode.
“Energoform”
software
Energoforma 3.3
MTS ME 3.3Т1-P-10 MTS ME 3.1КМ-P-05 MTS ME 3.1КМ-P-02
(accuracy class 0.1) (accuracy class 0.05) (accuracy class 0.02)
Purpose
for testing the instruments of accuracy classes below
0.5S
or less accurate
0.2S
or less accurate
0.05
or less accurate
Device
under test
Delivery package
Energomonitor
3.3Т1
supplied as
“Special Plus” set
(described
on p. 12)
Energomonitor
3.1КM-P-05
Energomonitor
3.1КM-P-02
Supplied complete with power cord,
PC connection cable, meter test kit,
PC-oriented software
Energoforma 3.3 Programmable three-phase source of
current and voltage (portable design, 7.5А; 380V),
complete with Energoform software
or
Energomonitor 3.3T1,
accuracy class 0.1
Energomonitor 3.1KM
accuracy class 0.05; 0.02
Energoforma 3.3
Programmable three-phase source
of current and voltage
Designed to create three-phase or single-phase
system of currents and voltages, as specified by
programmable digital model of the signal.
Range of output voltage setting
per each phase of:
voltage................................................. 6 to 268 V
with 0.01 increments.
current............................................ 0.002 to 7.7А
with 0.0001 increments.
The new functions implemented in this version,
namely, generation and measurement of 50
harmonics including interharmonics (0.5th, 1.5th,
2.5th....50.5th) make it possible to test instruments
measuring power quality.
Energoforma 3.3-100
Programmable three-phase source
of current and voltage
The range of output current setting per each phase
is extended, now it is specified as 2 mA to 100 А.
Mars-Energo
3
Meter Test Systems
Energomonitor 3.1KM
Multifunctional reference standard
Introduced for testing/adjustment of referenceclass or service-class instruments that measure
electric quantities and power quality parameters.
Energomonitor 3.1K meets the needs of large-scale
enterprises offering metrological services, electricity
companies, and Centers for standardization, metrology
and certification.
Portable design
(IP51 dust-tight
enclosure)
Energomonitor
3.1KM-P-02,
accuracy class 0.02
Desktop design
Available as part of MTS ME
3.1KM test system
Energomonitor
3.1KM-P-05,
accuracy class 0.05
Energomonitor
3.1KM-S,
accuracy class 0.02; 0.05
Basic delivery package:
Energomonitor 3.1KM instrument;
meter test kit (three devices) including photoelectric
heads and fixtures for automatic scanning of disk
mark passages or LED flashes;
Energoform software, connection cables.
Specifications
Voltage range
0.1 to 960 V (measurement ranges with Unom = 1, 2, 5, 10, 30, 60, 120, 240, 480 and 800 V)
Current range
0.005 to 120 A (measurement ranges with Inom = 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50 and 100 A)
Impedance of voltage measurement circuits
1 MOhm for Unom = 30, 60, 120, 240, 480 and 800 V;
176 kOhm for Unom = 1, 2, 5 and 10 V
Input current scaling converters
- Built-in AC Current Transformers Options:
- Built-in AC and DC Current Transformers (up to 100 A);
- Current clamps 10, 100, 1000, 30/300/3000A;
- CT Calibration Switch (provides correct and safe connections to CT under test)
Testing of meters
Built-in divider of input and out frequencies makes it possible to test reference-class meters
with meter constants varying over a wide range
Power quality measurements
IEC 61000-4-30:2008 and IEC 61000-4-7:2002 compliant
power quality parameters are measured and displayed, including:
a) RMS of 50 harmonics of current and voltage;
b) RMS of 51 interharmonics of current and voltage (0.5th, 1.5th, 2.5th...50.5th)
c) Overdeviation and underdeviation of voltage, frequency deviation
Optional functions
Testing of current and voltage instrument transformers
Peak/Amplitude voltmeter
Interfaces
RS-232 and USB
4
Mars-Energo
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Meter Test Systems
Energomonitor 3.3T1-C
Portable meter of reference-class
Supports calibration of:
electric energy meters of 0.5S accuracy class;
class 0.5 or less accurate measuring instruments;
class 0.2 or less accurate instrument transformers
of voltage or current;
peak voltmeters.
Additional measurements include three-phase unsymmetry, power factor and frequency parameters.
Complete set as per option*
Current Transformer Block
Current clamps (input converters), 3 ps.
(CTB)
10А
100А
100/1000А
5А
50А
PF**
More auxiliary
devices
Current
measurement
ranges
Energomonitor 3.3T1-C applicable for testing Class 0.5 or less accurate meters or other instruments***
50mА÷15А;
+
+
+
250mА÷75А
Energomonitor 3.3T1-C applicable for testing meters or other instruments without breaking into current circuits
+
+
+
+
+
+
500mА÷15А
5÷150А
5÷1500А
+
Energomonitor 3.3T1-C applicable for testing Class 0.5 or less accurate meters or other instruments***
and performance testing of meters without breaking into current circuits
50mА÷15А;
+
+
500mА÷15А
50mА÷15А;
+
+
+
5÷150А
50mА÷15А;
+
+
+
5÷1500А
Energomonitor 3.3T1-C applicable (as a comparator) for testing Class 0.2 or less accurate instrument
transformers of current or voltage
+
* Energomonitor 3.3T1-C delivery package can be tailored to include different types of current clamps or CTBs.
** PF facilitates meter testing by generating pulses either automatically (as a repeater of the pulses coming from the meter), or in respond to
operator’s stroke of a button.
*** Test system shall involve three-phase current/voltage waveform generator Energoforma 3.3. Optional meter test kit includes photoelectric heads
and fixtures attached to meters under test. They generate indicator pulses by scanning disk mark passages (SH-I) or LED flashes (SH-E).
Testing of current
instrument transformers
Testing of electric energy meters
Inspection
of secondary circuits
Calibration of 0.5S meters
(direct measurements
with 5 А or 50 А CTB)
CTCS
(Current Transformer
Calibration Switch)
SH-I, SH-E
(photoelectric
scanning heads
for testing electronic
and induction meters)
CTB
(Current
Transformer Block)
TBMD
(Transformer Burden
Measuring Device)
Performance testing (without
breaking into current circuits)
Clip-on CTs 10 A
Mars-Energo
5
Meter Test Systems
RS series Current shunts (reference-class,
reactance-free)
Specifications
TCR.......................................................2.0 · 10–6 K–1;
Permissible value
of basic resistance error..............................±0.005%;
Permissible value
of phase error (absolute)............................. ±10μrad;
Nominal AC frequency..................................... 50Hz.
The shunts are supplied calibrated, with Certificate
of calibration issued by D.I. Mendeleev Institute
for Metrology (VNIIM, Saint-Petersburg, Russia).
The following records are included in the Certificate:
nominal resistance, as measured in normal
conditions or at 0 ...100 kHz frequency;
TCR;
the effect of spontaneous heating at the currents
of 3.5A; 5A and 7A;
frequency responses, as compared against
standard shunt.
PCS-ME-1.0
High Accuracy Power Calibration System (conventional)
By introducing the PCS-ME-1.0, Mars-Energo have
made new step in development of multipurpose test
systems and reference standards. Just as MTS ME
3.1KM, new product is meant for testing/adjustment
of reference-class or service-class instruments
that measure electric quantities and power quality
parameters.
A feature of the PSC-ME-1.0 is the use of newgeneration products. As latest reference standards and
instruments, they provide for:
reducing by half the error intrinsic in measurement
of electric quantities;
extending the functionality of the equipment,
which makes it applicable to testing/adjustment
of up-to-date measuring instruments for AC and
DC determinations;
operating in extended frequency range (0 to 5kHz).
Basic specifications for PCS-ME-1.0:
Parameter
Measurement uncertainty
Current 0.01–50А
0.004%
Voltage
0.1–600V
0.003%
Active power (reactive power)
PF = 1
0.003% (0.005%)
PF = 0.5
0.006%
Angle between current and voltage 1st harmonics
–180º...+180° 0.0011° at 50Hz
6
Mars-Energo
RS-1.0
RS-2.5
1.0А
2.5А
1.0 Ohm
0.4 Ohm
RS-5.0
RS-10.0
Nominal current
5.0А
10.0А
Nominal resistance
0.2 Ohm
0.1 Ohm
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2
Transformer Test Sets
HML
High-voltage Mobile Lab operating within the ranges of 6 to 330kV; 5kA; 30kA
Applicable to tests of instrument transformers (VTs rated 6 to 330kV or CTs rated 5kA or 30kA), as well as
comprehensive tests of metering stations. HMLs for the range of 330 to 750kV can be supplied to order.
Subset
“Multipurpose”
6; 10; 15; 35kV; 5kA
Subset
“Broadband 110kV”
6; 10; 15; 35; 110kV; 5kA
Subset
“Broadband 220kV”
6; 10; 15; 35; 110; 220kV; 5kA
Subset
«Broadband 330kV»
6; 10; 15; 35; 110; 220; 330kV; 5kA
Delivery package
Subset for current transformer tests within the range of up to 5kA
Subset for voltage transformer tests based on the use of Energomonitor 3.3T1
VTs 6; 10; 15; 35kV
VTs 6; 10; 15; 35; 110kV
VTs 6; 10; 15; 35; 110; 220kV VTs 6; 10; 15; 35; 110; 220; 330kV
Subset for comprehensive tests of metering stations
Documents on operating techniques (tests, certificates, commissioning)
HML “Electrical Lab” – adaptation of light commercial vehicles from Ford, Volkswagen or other (at customer option)
HTCS-3-10,
HTCS-3-35
HSCS-1-220
Mars-Energo
7
Transformer Test Sets
HSCS-1
HTCS-3-10, HTCS-3-35
High-voltage Single-phase Calibration Set
High-voltage Three-phase Calibration Sets
Introduced for:
on-site test/adjustment of Class 0.2 (or less accurate)
single-phase instrument voltage transformers (VTs);
measurements of VT load power;
measurements of basic power quality parameters.
Provides for test/adjustment of Class 0.2 (or less
accurate) single-phase and three-phase instrument
voltage transformers (VTs).
Patent N 67285
Patent N 67285
Delivery package includes:
Energomonitor 3.3T1 supplied as comparator
complete with VTCS;
capacitive high-voltage transducer (CHVT series);
two burden boxes, each rated 100/√3V, 200VA;
one burden box rated 100/√3V, 80VA;
single-phase variable-ratio transformer unit
(220kV; 330kV);
console unit CU-110/220/330;
HTB-100 High-voltage Test Bench (not required
for 220kV or 330kV applications);
complete set of cables;
software.
Delivery package includes:
three-phase HTCS-3-10 or HTCS-3-35 console unit;
three-phase variable-ratio transformer unit;
loading voltage transformer unit (LVT-10 or LVT-35)
(3 ps.)
capacitive high-voltage transducers (CHVT-10-2
or CHVT-35-2), each complete with its instrument
amplifier of voltage (IAV);
Energomonitor 3.3T1 supplied as comparator
complete with VTCS;
four МР 3025 burden boxes for VT tests
software.
HSCS-1-110
test set for 110kV
voltage transformers
HSCS-1-220
test set for 110, 220kV
voltage transformers
HSCS-1-330
test set for 110,
220, 330kV voltage
transformers
HTCS-3-10
test set for 6; 10kV
voltage transformers
HTCS-3-35
test set for 15; 35kV
voltage transformers
Transformer of NAMI-35 series being calibrated with
EmCalibrTrans software (the procedure is completed by
producing test report)
EmCalibrTrans software
8
Mars-Energo
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Transformer Test Sets
Capacitive High-Voltage Transducers (CHVT series)
Voltage measurement error
Model
CHVT-10
CHVT-10-2*
CHVT-35
CHVT-35-2*
CHVT-110
CHVT-220
CHVT-330
(HIC stands for High-voltage
Insulating Cable)
*
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Differential circuitry supports testing of 3-phase VTs.
Instrument-class High-voltage
Capacitors (IHC series: 10, 35,
110, 220kV)
IHC-10
IHC-35
IHC-110
IHC-220
IHC-330
500 mm
1200 mm
Designed to fit various measurement equipment,
such as VT testers, voltage dividers, testers of highvoltage insulation (that can determine capacitance
and tangent of loss angle) and to calibrate VT test
systems of 0.2 accuracy class or less accurate.
IAV-35
IAV-110
IAV-220
Patent N 118069
IAV
±0.05%
250 mm
HIC
±0.1%
Optional
Instrument
Amplifier of
Voltage (IAV)
VA 3.1
AC/DC Peak voltmeter
Designed specifically for high voltage labs where
the ultimate accuracy of measurements is required.
Accuracy class 0.05 (0.02 – subject to special order).
VA 3.1 is meant for measurements of amplitude and
peak values, as applied to AC voltages of up to 500Hz
frequency, across its three channels including the
differential channel, for measurements of DC voltages,
for testing/adjustment of 0.02 accuracy class (or less
accurate) peak voltmeters and for recording pulse
voltage oscillograms.
Together with a high-range DC voltage source, VA
3.1 can be used as part of a reference system meant
for dissemination of DC voltage unit to working
measurement standards in the ranges of up to 100,
200 and 500 kV.
Mars-Energo
9
Transformer Test Sets
Current transformer test set (range 5A to 5000A)
Supports current transformer tests conducted in compliance with national regulations in force.
The test set includes:
Instrument current transformers
(reference-class, portable design,
PCTI series):
PCTI-100/5, rated at 5–100А;
PCTI-5000/5, rated at 100–5000А.
Accuracy class 0.05.
Energomonitor 3.3T1-C
supplied as comparator
complete with CTCS
(1A and 5А)
IT5000 Adjustable
current source
operating
within the range
of up to 6000A
МР 3027 Burden box (1A and 5А)
EmCalibrTrans software
(used to handle test logs
and generate test reports)
Supports current transformer tests conducted in
compliance with national regulations in force and
МI 3123–2008 procedure.
The test set includes:
Energomonitor 3.3T1-C
supplied as comparator
complete with CTCS
(1A and 5А) and Current
Transformer Block CTB 0.5A
Class 0.05 reference current
transformer PCTI-5000/5 rated
at 100–5000А
IT5000 Adjustable
current source operating
within the range
of up to 6000A
МР 3027 Burden box (1A and 5А)
10
Mars-Energo
Patent N 87539
Current transformer test set (range 6kA to 30kA, indirect method)
CT VCC Converter
(converts parameters of CT’s
voltage-current curve) and
dedicated software Delta-T
(automatic calculation of CT
error and analysing
of test results)
Generation of test reports with
EmCalibrTrans or Delta-T software
www.mars-energo.com
3
Digital Substation Solutions
Energomonitor 61850
Reference instrument for calibration of electronic current/voltage
analogue and digital instrument transformers and Merging Units
General
Measurement of ratio and angular errors of current
and voltage scaling converters (electronic instrument
voltage and current transformers) with analogue
outputs or digital outputs per IEC 61850-9-2LE;
Determining metrological parameters of Merging
Units;
Measurement of current- and voltage-related
quantities with further conversion into
IEC 61850-9-2 compliant digital data streams.
Components
4 multi-range input current converters;
4 multi-range input voltage converters;
8-channel ADC;
Control unit based on built-in
single-board computer;
Synchronization unit;
Power supply module;
External tablet PC.
Metrological data
Measurement
error
Measurement range
Limits of permissible measurement error
Notes
VT ratio error
±19.99 %
absolute
±0.02 %
0.2Unom ≤ U ≤ 1.2Unom;
VT angle error
±180°
absolute
±1.0'
CT ratio error
±19.99 %
absolute
±0.02 %
CT angle error
±180°
absolute
±1.0'
f = (fnom ± 1) Hz
0.01Inom ≤ I ≤ 1.2Inom;
f = (fnom ± 1) Hz
Unom – nominal secondary voltage of the VT under test (100/√3 or 100 V);
Inom – nominal secondary current of the CT under test (1 or 5 A);
fnom – nominal frequency of the CT or VT under test (50 or 60 Hz).
Mars-Energo
11
Digital Substation Solutions
KSP-61850
Test Set for testing of electronic voltage and current
transformers
Purpose
KSP-61850 is meant for testing and calibration of
electronic transformers designed in conformity with
IEC 60044-7-2010 and IEC 60044-8-2010 standards.
The purpose of KSP-61850 is to convert (considering
scaling factors), measure and compare signals
(including IEC 61850-9-2LE signals) from analogue
or digital outputs of electronic current (up to 5 kA)
and voltage (up to 220, 330 kV) transformers.
Components
1. Equipment for testing voltage and current
transformers - High-Voltage module
High Voltage Source
Reference Voltage Transducer CHVT-220 (accuracy
0.05) or Reference Voltage Transformer from EPRO
(accuracy 0.01)
2. Equipment for testing voltage and current
transformers - Low-Voltage module
For laboratory use: single-phase Digital Calibration
System DCS ME 61850 (vectorized quantities,
comparison principle); accuracy class 0.02, or
For on-site use: portable Energomonitor 61850
(8-channel; multi-functional); accuracy class 0.05.
3. Equipment for testing current transformers High-Voltage module
Source of test current
Reference current transformer PCTI (accuracy
0.05) or reference current transformer from EPRO
(accuracy 0.01)
12
Mars-Energo
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Power Quality Analyzers
4
Instrument Converter Marsen-PQP
Marsen-PQP Instrument Converter is a power quality recorder and analyzer.
Purpose:
Measurement and monitoring of power quality parameters specified in IEC 61000-4-30 and IEC 61000-4-7
standards with further transfer of measurement results to a PC (power quality test reports according to
EN 50160);
Measurement and monitoring of basic power quality parameters (PQP);
Measurement and monitoring of basic electrical network parameters.
Field of application:
In power quality monitoring and control systems: permanent recording of power quality parameters and
events on every cycle (can be installed at electrical substations of any voltage rating);
Monitoring of power consumption characteristics and power related parameter sat “power-to-consumer”
distribution points.
Basic characteristics:
Input:
Three-phase AC voltage (50 Hz); Un = 57 (100) V or Un = 220 (380) V;
AC current (50 Hz); In = 1 A or In = 5 A (4 channels).
Interface - Ethernet 100 Mb/s.
Data exchange protocols:
РТР – (synchronization to UTC);
WEB Interface – (configuring;
dataprocessing and analysis;
generating test reports);
IEC 60870-5-104;
Modbus TCP.
Power supply (at customer's option):
100..240 V (50 Hz);
DC 18...36 V;
Ethernet (PoE).
Mars-Energo
13
Power Quality Analyzers
PQP-A Energotester
Instrument for electric and PQ (class A) measurements
Purpose
Designed to measure and log power quality
parameters as defined by IEC 61000-4-30 (class A)
Measured parameters
Frequency
Frequency deviation
AC frequency
Voltage
Steady-state voltage deviation (underdeviation and overdeviation)
Negative sequence and zero sequence voltage components
Harmonic composition - THD and nth harmonic ratios (up to 50)
Interharmonics
Flicker long-term and short-term perceptibility
DC voltage
Events
Duration and residual voltage of a voltage dip
Duration and maximum swell voltage magnitude of a voltage swell
Duration of a voltage interruption
Current
RMS of AC current and RMS of 1st current harmonic
Positive, zero and negative sequence current
Angles
Phase angle between 1st harmonics of phase voltages and currents
Power and Energy
Active, reactive and apparent power
Power factor
Active and reactive energy
Active power (positive, negative and zero sequence components)
Basic delivery package*
(no current or power measurement capabilities):
Instrument complete with Power supply unit
Rechargeable batteries
Test probes
PC connection cable, USB interface
Portable containers: one bag, one case
PC-oriented software of Energomonitoring family
GPS-antenna
*
Version for class S measurements is available.
Application notes
Measured parameters
14
Can be applied for
Power quality parameters (underand overdeviation of voltage,
frequency deviation as defined by
IEC 61000-4-30, class A
«AC power certification»; measurement results can be used in arbitration as
a proof of compliance/non-compliance of AC power to the quality declared by a
distributor
Accidental events:
•voltage interruptions
•dips,
•swells
Detection and analysis of emergency situations
Short circuits, power cutoffs, distorting loads, overloads etc.
Active power of:
•harmonics
•negative sequence
•zero sequence
Detecting sources of distortion and calculation of respective energy losses
Used to pinpoint power quality problems - track down root causes of distortion
(particular circuit components, devices etc.). This helps to work out protection
techniques, e.g. to determine a new place for the distorting component in the
circuit or calculate parameters for protection filters
•Voltage (0.1–600V),
•Current (0.01–3500A),
•Active, reactive and apparent
power
•Power factor
Energy savings
Logging of these values make it possible to build detailed graphs of consumer
demand (consumer load graphs) and achieve energy savings by discovering
energy wastes and, e.g., deciding on measures for reactive load compensation
Energy efficiency classification
Logging of power consumption data makes it possible to classify appliances with
respect to power consumed in various operation modes
Active (kWh) and reactive (kVarh)
energy (export and import), phase
and phase-to-phase angles for
currents and voltages, vector
diagram
Inspection of meter reading and billing systems
Check of meter’s connectivity and performance; testing of AMR systems
Active energy (kWh)
(measured synchronously by two
class A instruments)
Determining energy losses in power transmission lines
Makes it possible to localize points with limits-exceeding energy losses (focusing
on either technical or commecial aspect)
Mars-Energo
www.mars-energo.com
Power Quality Analyzers
EmWorkNet software
is used to display data collected by
PQP-A Energotester, view graphs and
generate reports as per national and
IEC standards in force.
Specifications
Measuring category: IEC 61010-1, 600V, cat. III
Operating temperature: –20 to +55 °С
Time of continuous operation when powered from
internal batteries: at least 2 hours
Protection provided by the enclosure: IP 51
Capacity of internal memory: 512 MB
ADC sampling rate: 40 kHz
Max. error of synchronization against UTC: ±5 ms
Dimensions (L × W × H): 250 × 120 × 80 mm
Weight: no more than 1.0 kg
Power supply voltage: 80 to 240V
Complete set as per option
«10А» set
«10А+1000А» set
«10А+3000А» set
Current measurement ranges:
10mA÷15A, In = 10А
Current measurement ranges:
10mA÷15A, In = 10А;
10÷1500A, In = 1000A
Current measurement ranges:
10mA÷15A, In = 10A; 0.3÷45A, In = 30A;
3÷450A, In = 300A; 30÷4500A, In = 3000A
Basic set
Instrument
GPS antenna
Leather bag
Test
leads
Power supply unit
(Uout = 12.6V,
Iout = 0.8A)
PC-oriented software
of Energomonitoring
family
Current
clamps 10A,
accuracy class 1.0
Current
clamps 10A,
accuracy class 1.0
Optional current
sensors:
Current
clamps 10A,
accuracy class 0.2
Current
clamps 10A,
accuracy class 1.0
Current
clamps 1000A,
accuracy class 0.5
Flexible
current sensors
30 / 300 / 3000 A
ME FLEX 3003,
accuracy class 2.0
Block of current
transformers,
accuracy class 0.1
Mars-Energo
15
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Russia
Mars-Energo
Established in 1991 Mars-Energo specializes in
design, manufacturing and service of high accuracy
metrological equipment and meter test systems for
power industry applications.
The company takes an active part in developing
and maintaining of the aggregate of measurement
standards on national and CIS scales.
Mars-Energo’s reference instruments provide calibration of the wide range of measuring instruments
for quality control and electricity metering: instrument-class transformers, power quality analyzers,
electric energy meters including measuring instruments for digital substations and Smart Grids.
V.O. 13 Line, 6-8
Saint-Petersburg, Russia, 199034
E-mail: mail@mars-energo.ru
www.mars-energo.com
Sales
E-mail:
mars@mars-energo.com
korneeva@mars-energo.ru
Tel./Fax:
+7 812 331-87-36
+7 812 327-21-11
Estonia
OU “ESME”
Kalda tu 9, Narva,
Estonia, 20103
E-mail: mail@esme.ee
Tel.: +372 568-099-99
www.esme.ee
Quality management system
complies with ISO 9001:2008