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HIOKI HIGH VOLTAGE MULTIPLEXER SW2001

HIOKI HIGH VOLTAGE MULTIPLEXER SW2001

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The SW2001 High Voltage Multiplexer is an advanced tool for comprehensive motor testing, capable of connecting multiple testers for six different tests including resistance, inductance, surge, hipot, and partial discharge. Its design minimizes damage risk to low-voltage equipment, ensuring accurate measurements with features like high-voltage reed relays and advanced insulation. This durable solution supports simultaneous testing of three motors, enhancing efficiency and safety with built-in thermistor sensors and a protective discharge function.

HIGH VOLTAGE MULTIPLEXER

Model:

SW2001

Maker:

HIOKI

Key Features

・A single multiplexer that lets you consolidate six different tests
・Safe switching between high-voltage testing and 4-terminal low-voltage measurement
・Reliable multiplexing design with extended operational lifespan
・Guaranteed measurement performance and high durability
・Up to 24 channels significantly reduce connection man-hours and test time

Features

Boost efficiency with one multiplexer handling six tests
 
-Select the number of channels based on your testing needs: 4, 8, 16, or 24 channels
 
Streamline your motor inspections by connecting multiple instruments for six different tests: resistance, inductance, surge, hipot, insulation resistance, and partial discharge (AC PD and surge PD). The multiplexer eliminates the need for frequent reconnections, in both serial motor test lines (conventional test lines) and parallel motor test lines. The SW2001 supports simultaneous testing of up to 3 three phase motors with two built-in thermistor temperature sensors.
 

 
 
Enhance reliability with reduced production line stops, test accuracy, and reproducible results
 
-Highly reliable multiplexing design with extended operational lifespan
 
The SW2001 employs highly durable high-voltage reed relays to reduce maintenance frequency. These relays operate by generating a magnetic field through current flow in an adjacent excitation coil, which switches the contacts inside a glass tube. The multiplexer’s high-voltage reed relays with this operating mechanism enable safe switching in high-voltage circuits (with a maximum peak voltage of 8 kV) and help reduce the impact of leakage current on measurements. In addition to adopting such reed relays, the SW2001 multiplexer utilizes advanced insulation design to Electrical contact point Excitation coil ensure more accurate measurements. This includes optimizing the spatial insulation distance between relays, selecting appropriate insulation materials, and using high-voltage printed circuit boards to enhance insulation between relays and grounding. Furthermore, to minimize the risk of damage to the measuring instrument caused by energy accumulated in the measured winding, a protective discharge function is incorporated.
 


Guaranteed measurement performance and high durability
Effect of on accuracy
– Insulation resistance measurement accuracy: 2% (1 MΩ to 1 GΩ)
– Magnitude of effect on AC PD measurement: 40 pC or less (during 3 kV application)

Durability
– Maximum allowable impulse current: 100 A peak
– Main circuit relay service life: 5 million or more cycles (reference value, not guaranteed)
 


Reliable switching
The SW2001 facilitates safe and precise measurement for the diverse set of motor tests that demand a wide range of specs from high sensitivity for low voltages (motor winding resistance tests and inductance tests) to high-voltage resistance (max. 5 kV RMS for AC/ DC hipot tests and max. 8 kV peak for surge tests).

Specifications

Basic specifications

Input channels 2 channels of high-voltage, 2-terminal input: insulation and withstanding voltage tester input, impulse winding tester input
2 channels of low-voltage, 4-terminal input: LCR meter input, resistance meter input
Output channels CH1 to CH4 (SW2001-04), CH1 to CH8 (SW2001-08), CH1 to CH16 (SW2001-16), CH1 to CH24 (SW2001-24)
SOURCE terminal (or 2-terminal output terminals) and SENSE terminal for each channel
Partial discharge sensor output AC voltage monitoring, AC partial discharge current, impulse partial discharge current
(Current output is available only when equipped with current sensor ST9200 or ST9201 which are options that must be specified when ordering.)
(Each is output through a BNC terminal.)
Maximum input voltage Between high-voltage 2-terminal input and withstand voltage tester input terminal: 5 kV AC, 5 kV DC, 7.07 kV peak
Between high-voltage 2-terminal input and impulse input terminal: 8 kV peak (impulse)
Between low-voltage 4-terminal input and LCR meter input terminal or resistance meter input terminal: 30 V AC rms, 60 V DC, 42.4 V peak
Rated output voltage 5 kV AC rms, 5 kV DC, 8 kV peak (impulse)
Maximum rated
terminal-to-ground voltage
• Between high-voltage 2-terminal input and withstand voltage tester input terminal: 5 kV AC, 5 kV DC, 7.07 kV peak
• Between high-voltage 2-terminal input and impulse input terminal: 8 kV peak (impulse)
• Between low-voltage 4-terminal input and LCR meter input terminal or resistance meter input terminal: 30 V AC RMS , 60 V DC, 42.4 V peak
Maximum allowable impulse current 100 A peak
Primary circuit relay service life Open/close cycles: 5 million or more (reference value, not guaranteed)

General specifications

Functions Channel switching, interlock, channel delay, settings backup, panel function, communications settings mode switching, protective discharge function, accelerated discharge function
Interfaces LAN, USB, EXT. I/O
Power supply Rated supply voltage: 100 to 240 V AC
Rated power: 120 VA
External dimensions Approx. 439.2 mm (17.29 in.) W × 265.9 mm (10.47 in.) H × 770 mm (30.31 in.) D (excluding protruding parts)
Weight SW2001-04: approx. 20.5 kg (723.1 oz.); SW2001-08: approx. 22.5 kg (793.7 oz.); SW2001-16: approx. 27.0 kg (952.4 oz.); SW2001-24: approx. 31.5 kg (1111.1 oz.)
(All figures do not include weight from factory options ST9200/ST9201.)
Add 1.2 kg (42.3 oz.) for each ST9200 and add 139 g (4.9 oz.) for each ST9201.
Included accessories Power cord × 1, operating precautions × 1, startup guide × 1, support feet for installation × 4, EXT I/O connector × 1, connector for disengaging EXT I/O interlock × 1

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