General | ||||||
Operating Range: |
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PF Accuracy | Power Factor | RD-30 | RD-31 | RD-33 |
> 0.5 | 0.04 % | 0.02 % | 0.01 % | |
| 0.04 %/2PF | 0.02 %/2PF | 0.01 %/2PF |
| 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) |
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Environment:. | Operating & Storage Temp: -20°C to +70°C |
| Humidity: 0 % to 95 % non condensing |
| Vibration: All non destructive |
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Safety: | Hi-Pot: 2.3 kVrms, 60 Hz for 60 seconds |
| Surge: IEEE 472 and ANSI 37.90 |
| Fused: Potential and Auxiliary Input |
Warm-up: | 15 seconds |
Interface | |
Display: | Touch screen, color back lit LCD |
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Communications: | Serial Port: RS -232 |
| Sensor Port: Lemo type |
| Clamp Probe Port: 3 CT Inputs (optional Clamps from Radian) |
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Inputs 1,2 & 3: | BNC Display gate: 150 Ohm pull up to 5 V, clamped at 5.7 V |
| BNC Gate rate: 200 nS pulse width minimum, maximum 20 Hz repetition rate. |
Outputs 1, 2 & 3: | Programmable KH value |
| Current Inputs: 6 mm (<120 Amp), 8 mm (<200 Amp option) |
| Aux & Potential Inputs: 4 mm |
Specifications | |||||||||
Function | Reading | Accuracy (ppm)3 | Stability | Cal Unc. | 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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| 0.04%/2PF | 0.02%/2PF | 0.01%/2PF | ||||||
Phase angle | 0° … 360° | 0.012° | 0.006° | 0.003° |
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RD-BR1 CT 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 probe 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 |