Xuất xứ: EU
Model: RD-33
Cấp chính xác: +/- 0.01
Hãng Radian Research
General | ||||||
Operating Range: |
|
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 |
|
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 |
|
Humidity: 0 % to 95 % non condensing |
|
Vibration: All non destructive |
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 |
Communications: | Serial Port: RS -232 |
|
Sensor Port: Lemo type |
|
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 |
|
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 |
|
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 |
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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 % |
|||||
0.5 |
0.04%/2PF |
0.02%/2PF |
0.01%/2PF |
||||||
Phase angle |
0° … 360° |
0.012° |
0.006° |
0.003° |
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 |