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日本IWATSU岩崎 电力电子霍尔电流探头SS-240 SS-250
所属类别:传感器探头
产品简介:Wide bandwidth - DC to 100 MHz (SS-250)/DC to 50 MHz (SS-240A)
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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
(Models with on-board power supplies for Iwatsu probes: TS-81000, TS-80600, SS-7840H, SS-7840, SS-7830
Models that are no longer available: TS-8500, SS-7825 and others with on-board power supply connectors)
Clamp type, enabling easy measurement without having to disconnect 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-250 Continuous maximum input range graph
SS-240A Continuous maximum input range (frequency derating)
SS-240A Continuous maximum input range graph
* 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 power supply (PS-26) that is sold separately.
* Use a jack plug conversion BNC plug adapter for oscilloscopes for which connection to the SS-250/SS-240A is obstructed due to the input BNC connector being built into the external case (Iwatsu product DS-8710/8706).
* When the SS-250/SS-240A is used with an oscilloscope with a power supply for a probe, if the current being measured is large, the power supply for current probe PS-26 may be required.
* 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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