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1 × $2,078.00
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1 × $5,305.00
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1 × $15,671.00
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1 × $9,133.00
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1 × $3,652.00
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1 × $211.00
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1 × $9,041.00
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1 × $691.00
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2 × $3,050.00
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1 × $322.00
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1 × $1,055.00
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1 × $8,797.00
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1 × $5,663.00
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1 × $5,641.00
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1 × $322.00
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1 × $148.00
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1 × $1,453.00
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1 × $2,078.00
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1 × $100.00
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2 × $322.00
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1 × $1,449.00
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2 × $3,343.00
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1 × $1,692.00
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1 × $5,663.00
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1 × $23,996.00
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1 × $6,234.00
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1 × $1,634.00
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1 × $272.00
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1 × $1,893.00
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1 × $129.00
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2 × $574.00
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1 × $1,357.00
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1 × $507.00
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1 × $645.00
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1 × $805.00
Featuring the latest in pulse width modulation technology, the Model 4120 employs a high frequency power source and voltage/current feedback circuits to product a stable, high voltage output with low ripple. A front panel feature, unique to the Model 4120 allows the operator to test Metal Oxide Arresters quickly and accurately. Another feature that is as unique as it is useful is a high-voltage dc micro-ammeter use to test leakage currents on the high-voltage side of the insulation testing circuit.
Features
- Pulse width Modulation (PWM) technology
- Stable, high-precision voltage adjustment
- Comprehensive nanosecond threshold protection
- Unique Metal oxide test function
- Adjustable overvoltage protection feature
- Current limiting resistor for capacitive load testing
- Shielded HV micro-ammeter accessory
- Shorting rod for grounding output after testing
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Specifications
- Rated voltage: 120 kVDC
- Rated current: 5 mADC
- Rated power: 360 W
- Weight: 22 lbs.
- Power supply: 120 VAC ±10%, 60 Hz
- Dimensions (Control Unit): 16.25 x 15.5 x 7.5
- Output voltage accuracy: ±(1.0% reading, ±2 digits)
- Output current accuracy: ±(1.0% reading, ±2 digits)
- Ripple factor: ?0.5%
- Working mode: Intermittent use, 30 minutes under rated load
- Overload Voltage: The no-load voltage can exceed the rated voltage 10% for 10 minutes.
- Overload Current: The maximum charge current is 1.25 times of the rated current.
- Operating environment: Temperature 14°F to 104°F
- Humidity: To ?85%RH for temperatures under 77°F, non-condensing
- Altitude: Under 4,900
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Each Unit Includes
Manual, power cord, and NIST Traceable Certificate of Calibration.











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