Vanguard RFD-200 S3 - Manual (Page 6)

RFD-200 S3 USER’S MANUAL REV 1
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Ampere Meters
The test current is displayed on the unit’s backlit LCD screen that is viewable in both bright
sunlight and low-light levels. The current measuring range is from 0.00 to 250 A. A second
ampere meter is also available and can be used to read an external current input. The external
current input is rated at 6 A max and is protected by a circuit-breaker.
Auxiliary AC/DC Power Supplies
The RFD-200 S3 provides three power supplies (24 Vdc, 48 Vdc and 124 Vdc) for powering solid-
state or microprocessor-based relays.
Built-in Power Resistor
The RFD-200 S3 features built-in power resistors for fine current adjustment.