IWATSU DM-8000 Fiber-Optic Isolated 24-Channel Extra-High-Voltage Long-Distance Floating Isolated Oscilloscope

Model：DM-8000 Country of Origin：Japan

Category：Optically Isolated Oscilloscope System

Overview：

Floating, wide-bandwidth, multi-channel, simultaneous testing — floating measurement for ultra-high voltages

●Fiber-optic isolation separates the high-voltage test section from the operator section to ensure operator safety

●Frequency bandwidth DC to 500 MHz

●Multi-channel simultaneous testing (2 ch to 24 ch)

●The isolated test unit is battery-powered (12 hours of continuous operation)

Features

Specifications

Application Notes

Functions & Configuration

Floating · Wideband · Multi-channel · Simultaneous Testing
Floating measurement for ultra-high voltages
● Fiber-optic isolation separates the high-voltage test section from the operator section, ensuring operator safety
● Frequency bandwidth DC to 500 MHz
● Simultaneous multi-channel testing (2 ch to 24 ch)
● Isolated test units are battery-powered (12 hours of continuous operation)

Key testing challenges mainly in the IGBT field for applications such as inverters:

Small-signal detection (Vge) under large common-mode noise,

Drive signal synchronization and voltage balancing issues in IGBT series mode, current balancing issues in IGBT parallel mode, safety testing issues under high-voltage background

and more — a floating test platform with up to 24 channels, fully battery-powered, and fiber-optic isolation.

DM-8000 high-voltage isolated multi-channel system'sFeatures

1. Fully fiber-optic isolated high-voltage test unit and operation unit to ensure operator safety.

2. Up to 24 channels, enabling simultaneous testing of multiple IGBT in-circuit parameters in inverters while ensuring all test data is synchronized.

3. 500MHz bandwidth provides a higher-frequency test environment for the fast rise times of pulse-type signals.

4. The test unit is battery-powered, and communication between the operator and the test unit is via fiber optic connection, ensuring the instrument is completely isolated from ground. This makes it ideal for observing critical small signals such as Vge on the upper arm of inverters, without the observation information distortion caused by the common-mode rejection ratio of ordinary oscilloscopes with differential probes.

5. Fully floating testing combined with 60kV high-voltage probes fully meets precise measurement needs in high-risk fields such as high-voltage and ultra-high-voltage inverters, power grid switchgear, and lightning strikes.

6. Long-distance connection of up to 200M and unlimited remote internet access control testing, suitable for long-distance access testing of railway EMUs and power grid substations.

7. Up to 3 battery power supplies can be used per test unit, enabling 12 hours of continuous operation to support maintenance work under special outdoor conditions.

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※When the DM-610 acquisition control card is installed.

Item	DM-8000	DM-8000H
Transceiver card connection
Number of slots	6 slots (up to 12 isolation units and acquisition units combined can be connected)
Time axis
Sweep range	1ns/div～20s/div
Clock accuracy	<=10ppm
Acquisition Mode	Normal/Peak
Trigger system
Trigger operation modes	Auto、Normal、Single、Stop
Trigger source	Up to 24CH, EXT trigger
Trigger type	Edge, pulse width
Trigger delay	Possible
Interface
Ethernet port	3 ports of 10BASE-T/100BASE-TX	3 ports of 1000BASE-T
Power supply unit
AC power supply	100～240V（50/60Hz）
Mechanical section
Dimensions (mm), Weight	132H x 351W x 420D, approx. 6.9kg
Operating ambient temperature	0～40℃
Guaranteed performance temperature	10～35℃
Accessories
LAN cable	1 pc
Power cable	1 pc
Instruction Manual/Software	IS Viewer Software DM-800+ Instruction Manual CD-R (1 disc)

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IWATSU DM-8000 Fiber-Optic Isolated 24-Channel Extra-High-Voltage Long-Distance Floating Isolated Oscilloscope

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