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Features
Measurement
The RD-3X Analyzing Standard registers both forward and reverse energy flow and provides voltage, current, power and energy (Active, Reactive, Apparent) information.
Meter and Standard Testing
The RD-3X Analyzing Standard is the ultimate instrument for on-site accuracy testing of electricity meters, performing power quality analysis, testing current transformers (CT), and site wiring confirmation. The Analyzing Standard is designed to work with customer load or a stand-alone current source.
Overview
The  Radian Three-Phase Analyzing Standard is packaged in a robust case and features the performance of the Radian Research RD-3X family of reference standards. The Analyzing Standard provides unsurpassed accuracy, functionality, and ease of operation.
Radian’s Analyzing Standard is so versatile that the functionality is like having three instruments in one. The standard is the ultimate instrument for on-site accuracy testing of electricity meters, performing power quality analysis, testing current transformers (CT), and site wiring confirmation. The Analyzing Standard is designed to work with customer load or a stand-alone current source.
Highlights
• Selectable accuracy classes 0.01% -0.04%
• Four quadrant measuring instrument for Active, Reactive, and Apparent power measurements
• Optional built-in computer with touch screen and anti-glare color display
• Analysis up to the 100th Harmonic
• Data Storage and Transfer
• Wide measuring range with autoranging potential and current inputs
• Integrated MobileSuite analysis software
The RD-3X Analyzing Standard is shipped from the factory with Radian’s MobileSuite software pre-loaded. MobileSuite allows the user to easily select the configuration, testing or analysis routine to be implemented. The Analyzing Standard is versatile, accurate and user friendly this makes them the perfect choice for metering professionals.
Technical Data
Package Contents
- RD-3x Standard
- RD-2x and RD-3x Manual CD
- RD-2x and RD-3x Getting Started Guide
- Cables
RD-3X Specifications
Unless stated specifications apply to the Radian Model RD-30, RD-31 and RD33. All accuracy specifications are guaranteed and include traceable accuracy to calibration standards used, 95% confidence level. Specifications are for 365 day calibration interval.
General |
Operating Range: |
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Current: 0.02 to 120 Amp, (200 Amp optional) |
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Voltage: 30 to 630 Vac (60Hz), 30 to 525 Vac (50Hz) |
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Aux Power: 60 to 630 V (autoranging) |
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Frequency: 45 Hz to 65 Hz |
PF Accuracy |
Power Factor |
RD-30 |
RD-31 |
RD-33 |
> 0.5 |
0.04 % |
0.02 % |
0.01 % |
£ 0.5 |
0.04 %/2PF |
0.02 %/2PF |
0.01 %/2PF |
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Harmonic Analysis: < 64th (bandwidth 10000 Hz) |
Dimensions: |
5"(127 mm), 17.5" (444.5 mm), 6.25" (158.7 mm) |
Weight: |
16 lbs (7.2 kg), Shipping weight 28 lbs (12.6 kg) |
Environment: |
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Operating & Storage Temp.: -20°C to +70°C |
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Humidity: 0 % to 95 % non condensing |
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Vibration: All non destructive |
Safety: |
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Hi-Pot: 2.3 kVrms, 60 Hz for 60 seconds |
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Surge: IEEE 472 and ANSI 37.90 |
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Fused: Potential and Auxiliary Input |
Warm-up: |
15 seconds |
Interface |
Display: |
Touch screen, color back lit LCD |
Communications: |
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Serial Port: RS -232 |
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Sensor Port : Lemo type |
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CT Port: 3 CT Inputs (optional Clamps from Radian) |
Inputs 1,2 & 3: |
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BNC Display gate: 150 Ohm pull up to 5 V, clamped at 5.7 V |
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BNC Gate rate: 200 nS pulse width minimum, maximum 20 Hz repetition rate. |
Outputs 1, 2 & 3:
(default = 0.00001 Wh/pulse) |
Programmable KH value
Open collector, clamped at 27 V
Max 2.1 MHz (200nS pulse width minimum)
Selectable Watt Hours, VAR Hours, VA Hours |
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Current Inputs: 6 mm (<120 Amp), 8 mm (<200 Amp option) |
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Aux & Potential Inputs: 4 mm |
Specifications |
Function |
Reading |
Accuracy (ppm)3
TCAL1 ± 5°C |
Stability
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Cal Unc.
(ppm) |
Temperature Coefficient6 (ppm/°C) |
RD-30 |
RD-31 |
RD-33 |
RD-30 |
RD-31 |
RD-33 |
Voltage |
30 V to 630 V5 |
200 |
100 |
50 |
8 |
4 |
2 |
30 |
2.5 |
Current |
1 mA … 10 mA2 |
280 |
140 |
70 |
12 |
6 |
3 |
50 |
2.5 |
10 mA … 200 A |
Power/Energy 3,4 |
1 mA … 10 mA2 |
400 |
200 |
100 |
16 |
8 |
4 |
80 |
5 |
10 mA … 200 A |
Power Factor |
> 0.5 |
0.04 % |
0.02 % |
0.01 % |
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£ 0.5 |
0.04%/2PF |
0.02%/2PF |
0.01%/2PF |
Phase angle |
0° … 360° |
0.012° |
0.006° |
0.003° |
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RD-BR1 Burden & Ratio Analysis Specifications |
Input Power |
RD Standard connection (Allows 60-600V at Site) |
Measurement Inputs |
Primary CT Current: |
0.1 – 3000 Amperes, 50 or 60 Hz (using probes) |
Secondary CT Current: |
0.01 – 20 Amperes, 50 or 60 Hz |
CT Primary Probe Input Voltage: |
3V RMS Max (using RR-CTA1) |
Probe Scales: |
10mV/A |
Accuracy: |
Dependent on RD standard & clamp-on selected |
CT Burden Testing |
CT Burden Value: |
0.1, 0.2, 0.5, 1.0,4.0,8.0 Ohms |
Resistive Element Tolerance: |
+/- 1% |
Insertion Burden: |
+/- 0.04 Ohms |
Notes:
1TCAL = 23°C
2 20mA/Reading x Accuracy Specification (ppm)
3 Includes variables of Stability, Power Factor, and Traceability Uncertainty
4 (30 V … 630 V) For ≥ 1 second Test
5 Maximum 525 V at 50 Hz
6 Maximum -20 ºC … +70 ºC
Repeatability
RD-3X Analyzing Standard Measurement & Functionality Configurations
The second digit of the first two digits and the last three digits determine the full RD-3X model number. The second digit of the first two digits designates the accuracy class. The first digit of the last three digits determines the measurement functions; the second digit of the last three digits determines if the instrument has a built-in computer with touch screen display, power analysis, and analog sense capability; the third of the last three digits determines the current input configuration.
Specifying the second of the first two digits: RD-3X-xxx |
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ACCURACY |
| RD-30-xxx |
0.04% |
| RD-31-xxx |
0.02% |
| RD-33-xxx |
0.01% |
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| Specifying the first of the last three digits: RD-3x-Xxx |
| MODEL |
MEASUREMENT FUNCTIONS |
| RD-3x-2xx |
Whrs, Volts, Amps, VARhrs, VAhrs, Qhrs, Watts, VARs, VA, Phase Angle, Power Factor, Frequency |
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| RD-3x-3xx |
Whrs, VARhrs, VAhrs, Qhrs, Volts, Amps, Watts, VARs, VA,Vhr, Ahr, V2hr, A2hr, Phase Angle, Power Factor, Frequency
Min & Max measurements: All indicating functions |
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| RD-3x-4xx |
Whrs, Volts, Amps, VARhrs, Qhrs, Vahrs, Watts, VARs, VA,Vhr, Ahr, V2hr, A2hr, Phase Angle, PF, Frequency
Min & Max: All indicating functions
AVG response: VAhrs, VA, Volts, Vhrs, Amps, Ahrs |
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| Specifying the second of the last three digits: RD-3x-xXx |
| -x2x |
Power Analysis (Harmonics, Trending, Vector Analysis, and Power Quality Analysis) |
| -x3x |
Built-in Computer (with color, touch screen display and MobileSuite software) and Power Analysis |
| -x6x |
Power Analysis and Analog Sense Input |
| -x7x |
Built-in Computer, Power Analysis and Analog Sense Input |
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| Specifying the third of the last three digits: RD-3x-xxX |
| -xx3 |
120 Amp (6mm insert) current inputs, Portable |
| -xx4 |
200 Amp (bolt on) current inputs, Portable |
For Example, a RD-30-233 Analyzing Standard is a 0.04% accuracy class instrument with capability to measure Whrs, Volts, Amps, VARhrs, VAhrs, Qhrs, Watts, VARs, VA, Phase Angle, Power Factor, and Frequency, has the built-in computer and power analysis capability, has 120A current inputs, and is portable.
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