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              HRJBC Potable Relay Protection   Tester  | 
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              With easy-operation and stable performance features, it has every normal   tests for relays, and both alternating and direct current power adopt the newly   power technology. 
                The key technical indexes: 
                Alternating current:   0-100A/10V (regulable) 0-20A/35V (regulable) 0-5A/8V (regulable) 
                Alternating   voltage: 0-250V/4A (regulable) 
                DC current: 0-20A/25V (regulable) 
                DC   voltage: 0-250V/4A (regulable) 
                Rated output DC voltage:   24V¡¢48V¡¢110V¡¢220V 
                Millisecond counter time: 0-99.9999S 
                Resolution factor:   0.1ms 
                Power source£ºAC220V¡À10% 
                Weight: 30kg | 
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