EM Test NX7 Multifunctional Test Generator

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The EM Test NX7 Multifunctional Test Generator simulates burst, surge, power fail, ring wave and several other types of transient waveforms at a rated power of up to 7kV. EM Test NX7 immunity test systems are multifunctional transient test generators, their modular nature allowing test engineers to generate waveforms to the specifications of standards like IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-9, EN/IEC 61000-4-12 and more. A built-in single-phase CDN can extend to test three-phase devices via an automatically-controlled external CDN with the ability to operate at up to 200A per phase. Ideal for pre-compliance and full-compliance conducted immunity testing, as well as CE Marking testing processes, the EM Test NX7 Multifunctional Test Generator is conveniently small in size and operable by means of an accessible, 7" touchscreen or remotely with its Ethernet, USB or optical interfaces.

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Features
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Features

Compact generator featuring 7" color touch screen
IEC 61000-4-4 | EFT/Burst testing, 5.5 kV
IEC 61000-4-5 | Surge wave/combination wave testing, 7.0 kV
IEC 61000-4-11 | Power failure/dips & interrupts
IEC 61000-4-12 | Ring wave testing, 7.0 kV
Built-in single phase 400V/32A CDN
Test library adapted to DUT settings
Monitor peak voltage and current outputs

General Specifications
16 A models	19"/6 HU, 500 mm deep, 19"/9 HU, with telecom module, approx. 30 kg
32 A models	19"/6 HU, 500 mm deep, 19"/9 HU, with telecom module, approx. 40 kg
Serial interface	2 x USB A for memory stick, 1 x USB B for service only, Opto - Link to USB for remote
Lan	Ethernet for remote
Analog output	0 - 10 VDC to control an external transformer
Sys.link	26 pin high density connector to control an external coupling network
Fail inputs	EUT monitoring via input (one each) EUT Monitor 1 EUT Monitor 2
Ext. Trigger	BNC Ext. Trigger IN pos slope 5 V
Ext. Sync Input	Differential input, 50 V - 690 VAC, 2 x 4 mm MC Safety connectors

Specifications

EFT/Burst Module
Standards	IEC/EN 61000-4-4, EN 61000-6-1, -6-2
Test voltage	200 V - 5,500 V ± 10%; 100 V - 2,750 V ± 10% into 50 ohm
Pulse shape	5/50 ns into 50 ohm and 1,000 ohm
Rise time tr	5 ns ± 30% into 50 ohm; 5 ns ± 30% into 1,000 ohm
Pulse width td	50 ns ± 30% into 50 ohm; 50 ns -15/+100 ns into 1,000 ohm
Source impedance	50 ohm
Polarity	Positive, negative
Combination Wave/Surge Wave Module
Standards	IEC/EN 61000-4-5, IEC/EN 61000-6-1, -6-2
Voltage (o.c.)	250 V - 7,000 V ± 10%
Pulse front time	1.2 µs ± 30%
Pulse duration	50 µs ± 20%
Current (s.c.)	Max. 3,500 A ± 10%
Pulse front time	8 µs ± 20%
Pulse duration	20 µs ± 20%
Polarity	Positive, negative, alternate
Dips & Interrupts (Power Fail) Module
Standards	IEC/EN 61000-4-11, IEC/EN 61000-4-29 IEC/EN 61000-6-1, -6-2
Channel PF1/PF2	AC voltage: max. 300 V / 400 V AC current: max. 16 A / 32 A DC voltage: max. 300 V / 400 V DC current: max. 16 A / 32 A
Frequency	16 Hz - 500 Hz and DC
Switching time	> 1 µs < 5 µs into a 100 ohm resistive load (SVP 100)
Inrush current	> 500 A
Protection	Both channels are protected against short-circuit conditions.
Ring Wave Module
Standards	ANSI/IEEE C62.41, EN/IEC 61000-4-12
Test voltage	250 V - 7,000 V ± 10%
Voltage	Wave shape (open circuit)
Rise time	0.5 µs ± 30% (first peak)
Oscillation frequency	100 kHz ± 10%
Decaying	Peak 2 to peak 1 = 40 - 110% Peak 3 to peak 2 = 40 - 80% Peak 4 to peak 3 = 40 - 80%
Current	Wave shape (short circuit)
Rise time	0.2 µs < tr <= 1.0 µs
Oscillation Frequency	100 kHz ± 10%
Source impedance	12 ohm, 30 ohm, 50 ohm
Peak current	As per selected source impedance
Polarity	Positive, negative, alternate
Telecom Surge Module
Test voltage (o.c.)	250 V - 7,000 V ± 10%
Energy storage capacitor	20 µF
Polarity	Positive, negative, alternating (As per ITU and ETSI recommendations)
Front time	10 µs ± 30%
Pulse duration	700 µs ± 20% (As per FCC part 68, Pulse B)
Front time	9 µs ± 30%
Pulse duration	720 µs ± 20%
Output current @25 ohm output	6 A - 189 A (short circuit)
Rise time	5 µs ± 30%
Pulse duration	320 µs ± 20% (As per IEC 61000-4-5)
Rise time	10 µs ± 30%
Pulse duration	700 µs ± 20%
Output current @25 ohm output	6 A - 189 A (short circuit)
Rise time	5 µs ± 20%
Pulse duration	320 µs ± 20%