Technical support:

tel.: (+48 68) 45 75 143,

45 75 141, 45 75 144,

45 75 140

e-mail: export@lumel.com.pl

Export department:

tel.: (+48 68) 45 75 130,

45 75 131, 45 75 132

e-mail: export@lumel.com.pl

LUMEL S.A.

ul. Słubicka 4,

65-127 Zielona Góra, Poland

WWW.LUMEL.COM.PL

ND20LITE METER OF NETWORK PARAMETERS

Galvanic

isolation:

Input:

Outputs:

Example of Application

RS

485

software

eCon MOD

BUS

Password

protection

IP65

AC

RS

485

Supply

Features:

Outputs

Kind of output

Properties

Relay output

• programmable relay output, normally open voltageless contacts, load capacity 250 V~/0.5 A~

Pulse output of active or

reactive energy

• 1 OC type, passive

• Measurement of power network parameters in 2,3 or 4- wire

balanced and unbalanced systems.

• High accuracy class.

• Indications considering values of programmed ratios.

• THD.

• Backlit LCD 3.5” screen.

• Protection grade from the frontal side: IP65.

• Digital transmission to the master system through the

RS-485 interface (MODBUS).

• Configurable alarm and pulse outputs (energy).

• Configuration of displayed pages.

Measurements, monitoring,

recording of network

parameters and energy.

Current transformer LCT

Current transformer LCT

Current transformer LCT

L1

L2

L3

N

THD

Measured Quantities and Measuring Ranges

* Depending on the set tr_U ratio (ratio of the voltage transformer: 0.1...4000.0) and tr_I ratio (ratio of the current transformer: 1...10000)

** acc. EN 62053-22

r - of the range

mv - of the measured value

Measured value

Indication range*

Measuring range

L1 L2 L3

S

Basic error

Current In

1 A

5 A

0.00 ... 12 kA

0.00 ... 60 kA

0.001 ... 1.200 A~

0.005... 6.000 A~

l

l

l

±0.2% r

Voltage L-N

57.7 V

69.3 V

230 V

0.0 ... 280 kV

0.0 .. 333.0 kV

0.0 ... 1.104 MV

2.8 ... 70.0 V~

3.4 .. 84 V~

11.5 ... 276 V~

l

l

l

±0.2% r

Voltage L-L

100 V

400 V

0.0 ... 480 kV

0.0 ... 1.92 MV

5 ... 120 V~

20 ... 480 V~

l

l

l

±0.5% r

Frequency

47.0 .. 63.0 Hz

47.0...63.0 Hz

l

l

l

±0.2%mv

Active power

-9999 MW .. 0.00 W .. 9999 MW

-1.65 kW...1.4 W...1.65 kW

l

l

l

l

±0.2% r

Reactive power

-9999 Mvar .. 0.00 var ... 9999 Mvar

-1.65 kvar...1.4 var...1.65 kvar

l

l

l

l

±0.5% r

Apparent power

0.00VA..9999MVA

1.4VA...1.65kVA

l

l

l

l

±0.5% r

Power factor PF

-1 .. 0.. 1

-1...0...1

l

l

l

l

±1% r

Tangent j factor

-10.2...0...10.2

-1.2...0...1.2

l

l

l

l

±1% r

Cosinus j

-1... 1

-1... 1

l

l

l

l

±1% r

j

-180 ... 180

-180 ... 180

l

l

l

±0.5% r

Imported active energy

0 .. 99 999 999.9 kWh

l

cl 0.25**

Exported active energy

0 .. 99 999 999.9 kWh

l

cl 0.25**

Reactive inductive energy

0 .. 99 999 999.9 kvarh

l

±0.5% r

Reactive

capacitive energy

0 .. 99 999 999.9 kvarh

l

±0.5% r

Apparent energy

0 ..99 999 999.9 kVAh

l

±0.5% r

THD

0 .. 100%

0 .. 100%

l

l

l

±5% r