Power network meter ND10
  • Power network meter ND10

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Manufacturer: LUMEL

ND10 network parameter meter

  • Meter supply from measurement circuit
  • Measurement of basic power quantities:: UL-L, UL-N, In, f, P, Q, S, PF, tφ ,cosφ,φ,Ep+, Ep-, EqL, EqC, THD
  • 2 alarm outputs
  • Pulse output for active energy
  • Interface RS485 Modbus Slave (option)
  • LCD display 3.5”
  • Protection grade from the frontal side IP65
 
Exapmle of application

Power network meter ND10 application

Measured Quantities and Measuring Ranges
Measured Quantities and Measuring Ranges
Measured value Indication range Measuring range L1 L2 L3 ∑ Basic error
Current In 1 A
5 A		 0,00...1,5 kA
0,00 ... 60 kA		 0,005...1,200 A~ 0,025...6,000 A~ ♦ ♦ ♦   ±0,2 % zak.
Voltage L-N 57,7 V
230 V
290 V		 0,0 ... 230,8 kV
0,0 ... 1,012 MV
0,0 ... 1,200 MV		 50...64 V~ 
195...253V~ 
246...300V~		 ♦ ♦ ♦   ±0,2% w.m.
Voltage L-L 100 V
400 V
500 V		 0,0 ... 440 kV
0,0 ... 1,752 MV
0,0 ... 2,000 MV		 85...110 V~
340 ... 440 V~
425 ... 520 V~		 ♦ ♦ ♦   ±0,5% w.m.
Frequency 47,0 .. 63,0 Hz 47,0...63,0 Hz ♦ ♦ ♦   ±0,2% w.m.
Active power -9999 MW .. 0,00 W .. 9999 MW -1,52 kW...1,0 W...1,52 kW ♦ ♦ ♦ ♦ ±0,5% w.m.
Reactive power -9999 Mvar .. 0,00 var ... 9999 Mvar -1,52 kvar...1,0 var...1,52 kvar ♦ ♦ ♦ ♦ ±0,5% zak.
Apparent power 0,00 VA .. 9999 MVA 1,0VA...1,52 kVA ♦ ♦ ♦ ♦ ±0,5% zak.
Power factor PF -1 .. 0.. 1 -1 .. 0.. 1 ♦ ♦ ♦ ♦ ±1% zak.
Tangent φ -1,2...0...1,2 -1,2...0...1,2 ♦ ♦ ♦ ♦ ±1% zak.
Cosine φ -1...1 -1...1 ♦ ♦ ♦ ♦ ±1% zak.
φ -180...180 -180...180 ♦ ♦ ♦   ±0,5% zak.
Imported active energy 0 .. 99 999 999,9 kWh         ♦ ±0,5% zak.
Imported active energy 0 .. 99 999 999,9 kWh         ♦ ±0,5% zak.
Inductive reactive energy 0 .. 99 999 999,9 kvarh         ♦ ±0,5% zak.
Reactive capacitive energy 0 .. 99 999 999,9 kvarh         ♦ ±0,5% zak.
THD 0 .. 100% 0 .. 100% ♦ ♦ ♦   ±5% zak.

Outputs
Output type Properties
Relay output • 2 relays, normally open voltageless contacts, load capacity 250 V~/0,5 A~
Pulse output of active energy • 1 OC type (NPN), passive class A acc. to EN 62053-31, supply voltage 18...27 V, current 10...27 mA

Digital interface
Interface type Transmission protocol Mode Baud rate
RS-485 MODBUS RTU 8N2, 8E1, 8O1, 8N1 4,8; 9,6; 19,2; 38,4  kbit/s

External features
Readout field LCD 3.5” screen, specialized, monochromatic with backlit  
Weight < 0,3 kg  
Overall dimensions 96 X 96 X 77 mm panel cut-out::92+06 X 92+06 mm
Protection grade (acc. to EN 60529) from frontal side: IP65 from terminal side: IP20

Rated operating conditions
Supply voltage /from measurement
circuit of phase L3/		 50...64 V a.c. , 195...253 V a.c.,
246...300 V a.c.; 47...63 Hz		 Power consumption:
- in voltage circuit L1,L2 ≤0,05 VA
- in voltage circuit L3 ≤3 VA
- in current circuits≤0,05 VA
Temperature oambient:-20...23...55oC storage:: -30 ...70oC
Relative humidity 25...95% inadmissible condensation
Operating position any  
External magnetic field 40...400 A/m  
hort duration overload (5 s) voltage input: 2 Un current input: 10 In

Safety and compatibility requirements
Electromagnetic compatibility noise immunity acc. to EN 61000-6-2
noise emissions acc. to EN 61000-6-4
Safety requirements   acc. to EN 61010-1

Example of Connection Diagram

Power network meter ND10 connection diagram

Ordering
Power network meter ND10 ordering

EXAMPLE OF ORDER:
the code: ND10 - 2 2 1 00 E 1 means:
ND10- meter of network parameters of ND10 type,
2- current input 5 A,
2- input voltage 3 x 230/400 V,
1- with RS485 interface
00- standard version,
E- all descriptions and user's manual in English,
1- with extra quality inspection certificate.

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  • Meter supply from measurement circuit
  • Measurement of basic power quantities:: UL-L, UL-N, In, f, P, Q, S, PF, tφ ,cosφ,φ,Ep+, Ep-, EqL, EqC, THD
  • 2 alarm outputs
  • Pulse output for active energy
  • Interface RS485 Modbus Slave (option)
  • LCD display 3.5”
  • Protection grade from the frontal side IP65
 
Exapmle of application

Power network meter ND10 application

Measured Quantities and Measuring Ranges
Measured Quantities and Measuring Ranges
Measured value Indication range Measuring range L1 L2 L3 ∑ Basic error
Current In 1 A
5 A		 0,00...1,5 kA
0,00 ... 60 kA		 0,005...1,200 A~ 0,025...6,000 A~ ♦ ♦ ♦   ±0,2 % zak.
Voltage L-N 57,7 V
230 V
290 V		 0,0 ... 230,8 kV
0,0 ... 1,012 MV
0,0 ... 1,200 MV		 50...64 V~ 
195...253V~ 
246...300V~		 ♦ ♦ ♦   ±0,2% w.m.
Voltage L-L 100 V
400 V
500 V		 0,0 ... 440 kV
0,0 ... 1,752 MV
0,0 ... 2,000 MV		 85...110 V~
340 ... 440 V~
425 ... 520 V~		 ♦ ♦ ♦   ±0,5% w.m.
Frequency 47,0 .. 63,0 Hz 47,0...63,0 Hz ♦ ♦ ♦   ±0,2% w.m.
Active power -9999 MW .. 0,00 W .. 9999 MW -1,52 kW...1,0 W...1,52 kW ♦ ♦ ♦ ♦ ±0,5% w.m.
Reactive power -9999 Mvar .. 0,00 var ... 9999 Mvar -1,52 kvar...1,0 var...1,52 kvar ♦ ♦ ♦ ♦ ±0,5% zak.
Apparent power 0,00 VA .. 9999 MVA 1,0VA...1,52 kVA ♦ ♦ ♦ ♦ ±0,5% zak.
Power factor PF -1 .. 0.. 1 -1 .. 0.. 1 ♦ ♦ ♦ ♦ ±1% zak.
Tangent φ -1,2...0...1,2 -1,2...0...1,2 ♦ ♦ ♦ ♦ ±1% zak.
Cosine φ -1...1 -1...1 ♦ ♦ ♦ ♦ ±1% zak.
φ -180...180 -180...180 ♦ ♦ ♦   ±0,5% zak.
Imported active energy 0 .. 99 999 999,9 kWh         ♦ ±0,5% zak.
Imported active energy 0 .. 99 999 999,9 kWh         ♦ ±0,5% zak.
Inductive reactive energy 0 .. 99 999 999,9 kvarh         ♦ ±0,5% zak.
Reactive capacitive energy 0 .. 99 999 999,9 kvarh         ♦ ±0,5% zak.
THD 0 .. 100% 0 .. 100% ♦ ♦ ♦   ±5% zak.

Outputs
Output type Properties
Relay output • 2 relays, normally open voltageless contacts, load capacity 250 V~/0,5 A~
Pulse output of active energy • 1 OC type (NPN), passive class A acc. to EN 62053-31, supply voltage 18...27 V, current 10...27 mA

Digital interface
Interface type Transmission protocol Mode Baud rate
RS-485 MODBUS RTU 8N2, 8E1, 8O1, 8N1 4,8; 9,6; 19,2; 38,4  kbit/s

External features
Readout field LCD 3.5” screen, specialized, monochromatic with backlit  
Weight < 0,3 kg  
Overall dimensions 96 X 96 X 77 mm panel cut-out::92+06 X 92+06 mm
Protection grade (acc. to EN 60529) from frontal side: IP65 from terminal side: IP20

Rated operating conditions
Supply voltage /from measurement
circuit of phase L3/		 50...64 V a.c. , 195...253 V a.c.,
246...300 V a.c.; 47...63 Hz		 Power consumption:
- in voltage circuit L1,L2 ≤0,05 VA
- in voltage circuit L3 ≤3 VA
- in current circuits≤0,05 VA
Temperature oambient:-20...23...55oC storage:: -30 ...70oC
Relative humidity 25...95% inadmissible condensation
Operating position any  
External magnetic field 40...400 A/m  
hort duration overload (5 s) voltage input: 2 Un current input: 10 In

Safety and compatibility requirements
Electromagnetic compatibility noise immunity acc. to EN 61000-6-2
noise emissions acc. to EN 61000-6-4
Safety requirements   acc. to EN 61010-1

Example of Connection Diagram

Power network meter ND10 connection diagram

Ordering
Power network meter ND10 ordering

EXAMPLE OF ORDER:
the code: ND10 - 2 2 1 00 E 1 means:
ND10- meter of network parameters of ND10 type,
2- current input 5 A,
2- input voltage 3 x 230/400 V,
1- with RS485 interface
00- standard version,
E- all descriptions and user's manual in English,
1- with extra quality inspection certificate.

Less
Read more