RD-20 Dytronic Portable Single-Phase Standard


RD-20 Dytronic Portable Single-Phase Standard

Measurement

 

The RD-20 registers both forward and reverse energy flow and provides voltage, current, power and energy (Active, Reactive, Apparent) information. The Harmonic Analysis option makes the analysis of customer load through the 50th harmonic order while the built-in comparator option provides for automatic calculation of test results for meters and standards being tested.

Meter and Standard Testing

In the field, the RD-20 can perform single-phase meter accuracy test using existing service load. The RD-20 may be utilized to test reference standards of lesser accuracy.

Intuitive User Interface

The RD-20's LCD and five button keypad provides a direct interface to the end user while the RS-232 port, utilized with the applicable software, allows for remote PC control and configuration of the RD-20.

Product Highlights

The Radian RD-20 Single-phase Electricity Reference Standard is one of the most versatile reference instruments ever. The RD-20 has a guaranteed accuracy of 0.04%. This guaranteed accuracy specification includes the variables of stability, power factor, traceability uncertainty and test system errors.

The RD-20 utilizes Radian's new Dytronic measurement technology consisting of a Radian designed Integrating Analog to Digital Signal Converter. Unlike off-the-shelf A/D Converters used in other instruments, Radian's A/D Converter is specifically designed and optimized for power and energy measurement. This unique design makes the RD-20 absolutely unsurpassed in its ability to accurately measure "real world" waveforms. The RD-20's A/D Converter is combined with Radian's renowned electronically compensated voltage and current input transformers and a hermetically sealed reference set to provide the highest degree of accuracy, stability and versatility offered in a portable single-phase standard.

Measurements

The RD-20 is a four quadrant  single-phase, simultaneous measuring instrument that registers both forward and reverse energy flow and provides voltage, current, power and energy (Active, Reactive, Apparent) information. The Harmonic Analysis option makes available the analysis of customer load though the 50th harmonic order while the Built-in Comparator option provides for the automatic calculation of test results for the meters and standards being tested.

Meter and Standard Testing

The compact light weight design of the RD-20 makes it an ideal reference standard for field testing applications. The RD-20 may be used with a controlled current source to accurately test revenue meters. In field applications the RD-20 can perform a single-phase meter accuracy test using existing service load. Pickups to sense meter disk rotation or calibration pulses of infrared, visible light, or KYZ signal plug directly into the RD-20. The RD-20 may be utilized to test reference standards of lesser accuracy and is also an ideal standard to be intergraded within a meter test bench where lesser accuracy is acceptable.

Intuitive User Interface

The RD-20's LCD and five-button keypad provides a direct interface to the end user while the RD-20's RS-232 port, utilized with the RR-Kit software, allows for remote PC control and configuration of the RD-20. Utilizing the five-button keypad and observing the LCD, the user is able to scroll through the various measurement functions of the RD-20 and toggle between the different menu screens.  The amount of measurement information and the number of menu screens viewable is determined by the model number of the RD-20.

 

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