DT-5301 LOOP/PSC TESTER
Professional Microprocessor-Controlled Loop Impedance and Short Circuit Current Tester
The DT-5301 LOOP/PSC Tester is custom microprocessor controlled for highest accuracy and reliability in electrical installation testing. Designed for professional electricians and electrical engineers, this instrument provides essential measurements for verifying electrical safety and compliance with wiring regulations.
Key Features:
Advanced Safety & Verification:
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3 LEDs for checking correct wiring status
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Visual indication of reversed phase and neutral wiring at socket
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Safe voltage measurement function
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Automatic lock-out if test resistor overheats
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Double molded plastic housing
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CAT III 600V safety rating
Precision Testing Capabilities:
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15mA LOOP measurement: LOOP impedance 2000Ω range measurement is carried out with low test current (15mA)
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Direct reading of Prospective Short Circuit Current (PSC)
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Measure low loop resistance with resolution of 0.01Ω
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Large custom digital display readout on all models
Technical Specifications:
Loop Impedance Measurement:
Test Current & Duration:
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200Ω range: 25A test current, 20ms test period
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2000Ω range: 2.3A test current, 40ms test period
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20000Ω range: 15mA test current, 280ms test period
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Accuracy: ±2%rdg ±5dgt
Prospective Short Circuit Current (PSC):
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200A (using 2.3A test current, 40ms duration)
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2000A (using 25A test current, 20ms duration)
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Accuracy based on impedance measurement
Additional Functions:
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Voltage Measurement: 50V – 250V AC, ±2%rdg ±5dgt accuracy
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Resistance Measurement: 0.1kΩ range, ±1.0%rdg ±2dgt accuracy
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Operating Voltage: 230V +10% -15% (195V – 253V) 50Hz
Safety & Compliance:
Professional Applications:
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Electrical installation testing and certification
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Loop impedance measurement for fault current calculation
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Prospective short circuit current assessment
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Wiring verification and fault finding
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Compliance testing with electrical safety standards
