0913457887Xuất xứ: EU
Model: RD-31
Cấp chính xác: +/- 0.02
Hãng Radian Research
Model: RD-31
Cấp chính xác: +/- 0.02
Hãng Radian Research
| 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 |
0.5|
|
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:. |
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: |
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: | Serial Port: RS -232 |
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Sensor Port: Lemo type |
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Clamp Probe Port: 3 CT Inputs (optional Clamps from Radian) |
| Inputs 1,2 & 3: | 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 |
Stability |
Cal Unc. |
Temperature Coefficient6 (ppm/°C) |
||||
|
RD-30 |
RD-31 |
RD-33 |
RD-30 |
RD-31 |
RD-33 |
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| 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 |
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| Power/Energy 3,4 |
1 mA … 10 mA2 |
400 |
200 |
100 |
16 |
8 |
4 |
80 |
5 |
|
10 mA … 200 A |
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| Power Factor |
> 0.5 |
0.04 % |
0.02 % |
0.01 % |
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|
|
0.04%/2PF |
0.02%/2PF |
0.01%/2PF |
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| 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 | |
