Chroma 19035 Hybrid Wound Component EST Scanner
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Application
- The Chroma 19035 Hybrid Wound Component EST Scanner performs AC/DC Hipot tests, Insulation Resistance tests, and other safety tests for motors, transformers, and heater related wound devices.
Key features
- Output voltage: 5 kV AC and 6 kV DC
- Insulation Resistance test range: 1 MΩ to 50 GΩ
- Maximum Output Current is up to 30 mA
- Flashover detection and Open/Short Check (OSC)
- Programmable voltage and time parameters
| Testing & Programming capabilities | |
|---|---|
| Testing modes available (in all 8 channels) |
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| Programming modes |
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| Dielectric Withstand Test Mode | |
| Output voltage | AC: 0.05 ∼ 5 kV DC: 0.05 ∼ 6 kV |
| Load regulation | ≤ (1% of setting + 0.1% of full scale) |
| Voltage resolution | 2 V |
| Voltage accuracy | ±(1% of setting + 0.1% of full scale) |
| Cutoff current | AC: 30 mA DC: 10 mA |
| Current resolution | AC: 1 μA DC: 0.1 μA |
| Current accuracy | ±(1% of reading + 0.5% of range) |
| Output frequency | 50 Hz / 60 Hz |
| Test time | 0.3 ∼ 999 sec, continuous |
| Ramp time | 0.1 ∼ 999 sec, Off |
| Fall time | 0.1 ∼ 999 sec, Off |
| Dwell time | 0.1 ∼ 999 sec, Off |
| Waveform | Sine wave |
| Insulation Resistance Test Mode | |
| Output voltage | DC: 0.05 ∼ 5 kV |
| Voltage resolution | 2 V |
| Voltage accuracy | 1% of setting + 0.1% of full range |
| Insulation resistance range | 0.1 MΩ ∼ 50 GΩ |
| Resistance Resolution | 0.1 MΩ |
| Resistance accuracy ≥ 1000V | 1 MΩ ∼ 1 GΩ: ± (3% of reading + 0.1% of full range) 1 GΩ ∼ 10 GΩ: ± (7% of reading + 2% of full range) 10 GΩ ∼ 50 GΩ: ± (10% of reading + 1% of full range) |
| Resistance accuracy 500V ∼ 1000V | 0.1 MΩ ∼ 1 GΩ: ± (3% of reading + 0.1% of full range) 1 GΩ ∼ 10 GΩ: ± (7% of reading + 2% of full range) 10 GΩ ∼ 50 GΩ: ± (10% of reading + 1% of full range) |
| Resistance accuracy < 500V | 0.1 MΩ ∼ 1 GΩ: ± (3% of reading + (0.2*500/Vs)% of full scale) |
| Scanner unit | 8 ports, ± phase(4W DCR only 4 ports) |
| DC Resistance Measurement | |
| Test signal (DC) | 10V, 140 mA |
| Measurement mode | 2 terminals (2W) / 4 terminals (4W) measurement selectable Range: 50 mΩ ∼ 500 kΩ |
| Measurement accuracy (2W / 4W) |
1 Ω (4W only): -- / ± (0.5% of reading + 0.5% of range) 10 Ω: ± (2% of reading + 0.5% of range) / ± (0.5% of reading + 0.05% of range) 100 Ω: ± (2% of reading + 0.5% of range) / ± (0.5% of reading + 0.05% of range) 1 kΩ: ± (2% of reading + 0.5% of range) / ± (0.5% of reading + 0.05% of range) 10 kΩ: ± (2% of reading + 0.5% of range) / ± (0.5% of reading + 0.05% of range) 100 kΩ: ± (2% of reading + 0.5% of range) / ± (0.5% of reading + 0.05% of range) |
| Flashover detection | |
| Setting mode | Programmable setting |
| Detection current | AC: 1 ∼ 15 mA DC: 1 ∼ 10 mA |
| Secure Protection Function | |
| Fast Output Cut-off | 0.4ms after NG occurs |
| Ground Fault Interrupt | 0.5mA ± 0.25 mA AC, ON/OFF |
| Panel Operation Lock | Present password |
| Interlock | YES |
| GO/NG Judgment Window | |
| Indication, Alarm | GO: Short sound, Green LED NG: Long sound, Red LED |
| Data Hold | Least tests data memories |
| Memory storage | 50 instrument setups with up to 20 test steps |
| General specifications | |
| Interface | RS-232*1 (Standard), RS-232*1 or GPIB & Handler & Temperature interface (Optional) |
| Operation | Temperature: 0 °C ∼ 45 °C Humidity: 15% ∼ 95% RH at ≤ 40°C |
| Power consumption | 500 VA |
| Power requirements | 90 ∼ 132 Vac or 180 ∼ 264 Vac, 47 Hz ∼ 63 Hz |
| Dimensions (H x W x D) | 5.24 x 16.93 x 18.66 in./(133 x 430 x 470)mm |
| Weight | 44 lbs, 20 kg |
| For detailed specifications please see: Chroma 19035 Data Sheet | |