Industry Leaders
PCB Assembly and Wire Processing Equipments

NT 637

Modular Wiring Tester

NT 637

■ The NT 637 is the ideal tester for clear defined applications with up to 512 test points.
■ Low start-up costs
■ Easy expandable*:
   ▪ Additional measurement electronics
   ▪ LCR measurement bridge
   ▪ Four-wire measurement from 1 mOhm
   ▪ Insulation tests up to 10 GOhm
■ Test table support
■ The demands of the following test standards are complied with:
   IPC/WHMA-A-620, MIL-STD-202G,
   NASA-STD 8739.4A, MIL-HDBK-83575,
   MIL-STD-1344A, MIL-C-45224D
■ Easy operation via PC with control software NT Control
■ Comfortable test program editors
■ Extensive display possibilities and tools for fault location in the unit under test
■ Extensive result reporting to file, to printer or via database connection*
■ Up to 512 test points
■ Continuity test, short circuit test and component test
■ High current test up to 2 ADC
■ High voltage test up to 1500 VDC
■ Dielectric strength test up to 1060 VAC / 1500 VDC*
■ Remote maintenance

Technical features NT 637

Test points

max. 512

Low voltage test DC

Test voltage

max. 25 V

Test current

max. 25 mA

Threshold continuity test

1 Ohm – 1 kOhm

Threshold short-circuit test

20 kOhm – 1 MOhm (optional up to 5 MOhm)

Component test

Resistors: 1 Ohm – 1 MOhm (optional up to 5 MOhm)

Capacitors: 10 nF – 20 mF (optional from 100 pF)

Diodes, Zener diodes, LEDs, optional: inductances, impedances, varistors (max. 1300 VDC)

High current test DC

Test voltage

max. 22 V

Test current

max. 2 A

Threshold continuity test

0.5 Ohm – 1 kOhm

Options

Four-wire measurement from 1 mOhm / Recognition of short time interruptions ≥ 1 μs

High voltage test DC

Test voltage

40 – 1500 V

Insulation test

500 kOhm – 2 GOhm (optional up to 10 GOhm)

Breakdown test

Fast recognition of voltage breakdowns (arc detection)

Dielectric strength test AC/DC (optional)

Test voltage / test current AC

100 – 1060 V / max. 3 mA, safety current limited according to EN 50191 (optional max. 6 mA)

Test voltage / test current DC

40 – 1500 V / max. 3 mA, safety current limited according to EN 50191 (optional max. 6 mA)

Function test (optional)

The NT 637 can be expanded, so that the test of relays, time relays, contactors, indication lamps, function procedures etc. can be carried out automatically. Therefore stimulus cards and stimulus sources are available beside powerful software tools and editors in NT Control.

General

Interfaces

Extern interface with 3 opto-coupled inputs and 3 potential free outputs (expandable)

Serial interfaces RS232 / USB 2.0

Network

Pin number probe

Dimensions (W x H x D, approx.)

345 mm x 275 mm x 395 mm

Scope of delivery base unit

NT 637, main cable, pin number probe, USB flash drive with NT Control and documentation in PDF format, mating connector and service connector for safety loop

 

Need more Information?
Call (91) 9595525010 or e-mail contact@emstonline.com

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