3-phase power network analyzer with Ethernet and recording
$887.16
Power network analyzer with Ethernet and recording
Manufacturer: LUMEL
Product Code: ND40
- Description
- Size Guide
Description
PRODUCT DESCRIPTION
easurement and recording of over 500 parameters, class A for 3-sec. aggregation, harmonics up to 51st, fully configurable graphical screen and user-friendly www server interface – these are just some advantages of our new power network analyzer ND40.

- Measurement and recording of over 500 electric energy quality parameters acc. to EN 50160, EN 61000-4-30, EN 6100-4-7 standards.
- Measuring class A – for 3 second aggregation. 10 minute and 2 hour aggregation – class S.
- Operation in 3 or 4-wire, 3-phase, balanced or unbalanced power networks.
- Analysis of current and voltage harmonics up to the 51st for class I (acc. to EN 61000-4-7).
- Configurable archives of actual values and event recording.
- Data archiving on an SD card – memory up to 32 GB.
- Binary inputs (option).
- Outputs: relays, binary, analog (option).
- E-mail messages in case of alarm occurs,
- WEB Server, FTP Server.
- Interfaces:
- RS-485 Modbus Slave,
- Ethernet 100 Base-t (Modbus TCP Server),
- USB device & host.
- Colour touch screen: LCD tFt 5.6”, 640 x 480 pixels, fully configurable by a user
- Many ways of data presentation (e.g. digital display, analog view, bargraph, vector diagrams)
- IP65 protection grade from the frontal side.
- Synchronization of RTC clock with the NTP time server.
- Overall dimensions: 144 x 144 x 104mm.
SPECIFICATIONS
Inputs |
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Input type |
Measuring range |
Parameters |
Basic error |
Voltage input |
230/400 V |
0.05…1.2 Un |
± 0.1% |
Current input |
1A or 5A |
0.005…1.2 In |
± 0.1% |
Logic input |
6 logic inputs: 0/5…24 V d.c. |
switching frequency up to 50 Hz |
|
Input for temp measurement |
Pt100: -200….850°C Pt1000: -200….850°C, resistance: 0….5000 Ω |
± 0.2% |
Outputs |
|
Output type |
Properties |
Analog output |
3 programmable current outputs 0/4….20 mA, load resistance < 500 Ω |
Relay output |
8 programmable electromagnetic relays, voltageless NO contacts, load capacity 250 V a.c./1 A a.c. |
Rated operating conditions |
||
Supply voltage |
85 V…240 V a.c., 40….400Hz|90 V…320 V d.c. |
power consumption: 15 VA, 35 VA (when loading) |
Ambient temperature |
work: 0 up to 50°C |
storage: – 20….50°C |
Relative humidity |
< 75% |
Condensation inadmissible |
Reaction against |
supply decays |
Data and device state preservation |
supply recovery |
Continuation of device work |
|
Short term load (5s) |
2 Un (max. 1000 V) |
10 In |
Casing protection grade |
IP 65 |
|
Safety requirements |
Installation category III |
EN 61010-1 |
Pollution grade 2 |
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Maximum phase-to-earth |
RS485, |
EN 61010-1 |
measuring circuit, relays, supply: 300 V |
Measuring ranges and admissible basic conversion errors |
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Measuring quantity |
Measurement method |
Range |
Basic error |
Voltage U RMS |
U RMS averaged values: 3 s class: A 10 min class: S |
U RMS L-N (150% Un) …480.0 kV (Ku≠1) U RMS L-L (150% Un): Un = 400 V – 40.0…80… 600.0 V (Ku=1) |
Class A acc. to EN 61000-4-30:2008 |
Current I RMS |
I RMS: averaged values: 1 s class: B 3 s class: A 10 min class: S |
I RMS (150% In): In = 5 A – 0.050…0.5…7.5 A (Ki=1) …480.0 kA (Ki≠1) |
I RMS (10% In – 150% In): ±0.1% of measurement |
Frequency |
Class S |
42.5 up to 57.5 Hz for 50 Hz a.c. of supply |
Class S acc. to EN 61000-4-30:2008 |
Class A |
|
Class A acc. to EN 61000-4-30:2008 |
|
Active, reactive and apparent power
|
Active power: Measured every 10 cycles (50 Hz) or 12 cycles (60 Hz) |
Depends on voltage and actual ratio value. |
acc. to EN 61557-12: Active power: ± 0.5% Pn Reactive power: ± 1% Qn Apparent power: ± 0.5% Sn
|
Reactive power: appointed from apparent and active power. |
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Apparent power: |
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Active imported/exported energy, reactive imported/exported energy, apparent energy |
Measured every 10 cycles (50 Hz) or 12 cycles (60 Hz).
Separate measurement for exporten, imported active and reactive energy. |
Depends on voltage and actual ratio value. |
acc. to EN 61557-12: Active power: ± 0,5% Reactive power: ± 1% Apparent power: ± 2% |
Active power factor |
Active power factor : depends on U RMS, I RMS and active power Power distortion factor depends on THD I… |
-1,000… 0… 1,000 |
Power factor PF ± 0.01% Power distortion factor PFdist ± 0.05% |
Harmonics of voltages and current |
acc. to EN 61000-4-7:2007, up to 51st harmonic Window: 10 cycles (for 50 Hz), 12 cycles (for 60 Hz). FFT: 4096 points |
Voltage harmonics: 0.00… 100.00 % Current harmonics: 0.00… 100.00 % |
Voltage harmonics – class II ± 5% Urdg if Urdg > 1% ± 0.05% Un if Urdg < 1%
Current harmonics – class II ± 5% Urdg if Urdg > 3% ± 0.5% Un if Urdg < 3% |
THD U, THD I, THDG U, THDG I, |
acc. to EN 61000-4-7:2007, up to 51st harmonic Window: 10 cycles (for 50 Hz), 12 cycles (for 60 Hz). FFT: 4096 points |
THD U: 0.00… 100.00 % THD I: 0.00… 100.00 % THDG U: 0.00… 100.00 % THDG I: 0.00… 100.00 % THDS U: 0.00… 100.00 % THDS I: 0.00… 100.00 % PWHD U: 0.00… 100.00 % PWHD I: 0.00… 100.00 % |
THD U: ±5% (50/60Hz) THD I: ±5% (50/60Hz) THDG U: ±5% (50/60Hz) THDG I: ±5% (50/60Hz) THDS U: ±5% (50/60Hz) THDS I: ±5% (50/60Hz) PWHD U: ±5% (50/60Hz) PWHD I: ±5% (50/60Hz) |