IWATSU SS-240 and SS-250 IWATSU High-Frequency AC/DC Hall Current Probe

Model：SS-240/SS-250 Country of Origin：Japan

Category：AC/DC Current Probe

Overview：

Wide bandwidth - DC to 100 MHz (SS-250)/DC to 50 MHz (SS-240A)

Features

Specifications

Application Notes

Functions & Configuration

SS-250/SS-240A

■Supports various applications

Displays its capabilities in full force in current waveform observation and wide-band applications such as switching power supplies, optical disc manufacturing lines, and semiconductor power devices.

■Features

Low noise characteristics for easy milliampere order observation

Wide bandwidth - DC to 100 MHz (SS-250)/DC to 50 MHz (SS-240A)

High sensitivity and wide bandwidth implemented through use of thin-film Hall element

Power can be provided directly from the oscilloscope
(DS-5600A/DS-5400A series of oscilloscopes with DS-579 : Probe power option)

Clamp type, enabling easy measurement without cutting the electrical circuit

Equipped with a function that provides simple protection for excessive input

Can also be used with measuring instruments that do not have a power supply for probes (power can be provided through the optional probe power supply PS-26)

■Specifications

Item		SS-250	SS-240A
Bandwidth		DC to 100 MHz (-3dB)	DC to 50 MHz (-3dB)
Maximum input current	Maximum input range	30 A rms	30 A rms
	Maximum peak current	50 A peak, non-continuous	50 A peak, non-continuous 50 A peak at pulse width <= 10 μs
Output sensitivity		0.1 V/A
Sensitivity accuracy		•±1.0% of reading ±10 mA for probes only (in the range from 0 to 30 A rms, DC, and AC 45 to 66 Hz) •±2.0% of reading for probes only (50 A peak or less and over 30 A rms, DC, and in the range of AC 45 to 66 Hz)
Noise		2.5 mA rms or less (observation using an oscilloscope with a 20 MHz band)
Power consumption		5.3 VA max.	5.6 VA max.
Power supply voltage		±12 V ±0.5 V
Operating temperature and humidity		0°C to +40°C, 80% RH or less (no condensation)
Storage temperature and humidity		-10°C to +50°C, 80% RH or less (no condensation)
Operating elevation		2000 m or less (air pressure approx. 79 kPa), indoor
Effects of external magnetic field		5 mA max. or equivalent (in DC, 60 Hz, 400 A/m AC magnetic field)	20 mA max. or equivalent (in DC, 60 Hz, 400 A/m AC magnetic field)
Maximum usable circuit voltage		300 V, CAT I (insulating conductor)
Conductor diameter that can be measured		ø 5 mm
Cable length	Sensor cable	Approx. 1.5 m
	Power cable	Approx. 1 m
Size	Sensor part	Approx. 175 (W) x 18 (H) x 40 (D) mm
	Termination part	Approx. 27 (W) x 55 (H) x 18 (D) mm
Weight		Approx. 240 g	Approx. 230 g
Complied with standards	Safety	EN61010-2-032:2002 Measurement category I (expected overvoltage: 1500 V), Pollution degree: 2
	EMC	EN61326:1997+A1:1988+A2:2001
Accessories		Instruction manual (1), hard case (1)	Instruction manual (1), soft case (1)

* Values for performance/accuracy items are at 23°C ±5°C and 30 minutes after power-on.

■ Characteristics figures

SS-250 Continuous maximum input range (frequency derating)

SS-240A Continuous maximum input range (frequency derating)

* These current probes can be used as-is with oscilloscopes that feature power supply connectors for active probes. Current probes can also be used with oscilloscopes without power supply connectors for active probe, when used in combination with the optional power supply (PS-26).

* With the power supply for current probe PS-26, if the current being measured is large, it may not be possible to use two SS-250/SS-240A units at the same time.

■Caution

1.Use this product in circuits that do not exceed the maximum usable circuit voltage, so as to avoid accidents such as short-circuits and physical injuries.

2.Do not use this product with bare conductors, so as to avoid accidents such as physical injuries and short-circuits when the leading end of the clamp core is opened.

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IWATSU SS-240 and SS-250 IWATSU High-Frequency AC/DC Hall Current Probe

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