Chroma System Solutions, Inc.

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8802 Leakage Test System

Chroma is the industry's leading supplier of automatic power supply test systems for production, engineering and quality verifications of power supplies. User's may choose from a library of pre-written tests or create their own. Software includes powerful report, statistics and management functions. Systems are factory configured to match customer's test requirements from a large selection of available test instruments, with many thousands currently in use in production and engineering characterization testing. Chroma’s Electrical Double Layer Capacitor Leakage Current Monitoring System model 8802 is the ultimate solution for EDLC (electrical double layer capacitor) leakage current testing.

• State-of-the-art automatic test systems for production or design verification of power supplies and related devices
• Custom configured to meet almost any set of tests
• Powerpro Test Software is an easy to use, library oriented software package which include all standard power supply tests, wide range of report formats & options and built-in statistic process capability.

Key Features

• 2.5V-6.0V programmable, 1A maximum charge/discharge per channel
• 1uA-100mA, 0 ohm input resistance leakage current meter
• Up to 200 channels per tank
• Sequence timing control
• Windows base control soft-panel
• Multi-tank control capability
• Leakage Current, charge and discharge current limit value programmable
• Leakage current GO/NG indication on fixtures
• For EDLC leakage current test of standard EIAJ-RC-2337

1. SMR: Model 67300 Series

2. EDLC 20CH LC Monitoring Box

3. Leakage current GO/NG indication

4. Fans

5. 3U board

6. Breaker 30A

7. EMI Filter: 30A

8. System Power Inlet: 1Ǿ 3W/ 30A

The System includes modular monitoring boxes. The monitoring box offers various range of leakage current meter from 1uA-100mA. Each channel has individual 0 ohm input resistance leakage current meter. It suits the EDLC's low internal resistance characteristic and avoid that the meter existent effect inaccuracy leakage current measured. The box offers three circuits, charge, discharge and leakage current measurement circuit. Operators can finish the whole process in one system. Charge and leakage current circuit have design for reducing the charge voltage alterable affection and increasing charge full voltage time. It offers 1A maximum charge / discharge per channel. The box offers leakage current GO/NG indications in front panel for each channel. The leakage current GO/NG indications will be automatic latched before enter discharge mode. Operators are easy to see every DUT test result for picking up pass or fail.
 

The System includes Windows® base control soft-panel. The soft-panel has multi-tank control capability. It offers sequence timing control base on one tank with setup time for charge, measurement leakage current, and discharge. The process bar is easy for operators to see the test process. Operators can set current limit values of leakage current, charge current, and discharge current through the soft-panel. The system has 2.5V-6.0V charge voltage programmable capability.
 

The system includes a high power switching-mode rectifier (SMR) power supply. It offers a static state charge voltage to reduce the tiny voltage variation to speed up the leakage current result arrive and increate the leakage