CEM DT-5301 LOOP/PSC Tester

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CEM DT-5301 LOOP/PSC Tester

The CEM DT-5301 Loop/PSC Tester is a specialized device designed for testing electrical loop impedance and prospective short circuit (PSC) currents in electrical circuits. This type of tester is crucial for electricians and technicians who need to ensure that electrical installations have adequate fault protection and are safe to use.

The LOOP testing function of the DT-5301 helps measure the total impedance of a live-to-earth loop path, which is key to verifying that circuit breakers or fuses will operate correctly under fault conditions. PSC testing, on the other hand, measures the maximum current that can flow in the event of a short circuit, assessing the capacity of the installation to handle such extreme conditions safely.

CEM DT-5301 Key Features

  • 3 LEDs for checking the correct wiring status
  • 15mA LOOP measurement: LOOP impedance 2000Ω range measurement is carried out with low test current(15mA)
  • Direct reading of Prospective Short Circuit Current(PSC)
  • Safe voltage measurement function
  • Large custom digital display readout on all models
  • Measure low loop resistance(resolution of 0.01Ω)
  • Automatic lock-out if test resister overheats
  • Visual indication of reversed-phase and neutral wiring at the socket

CEM DT-5301 Specifications

FunctionMax ResolutionAccuracy
Loop Impedance20/200/2000Ω±2.5% rdg ±4dgts
AC Test Current20Ω 25A; 200Ω 2.3A;2000Ω 15mA±2%rdg ±5dgts
AC Test Period20Ω 20ms; 200Ω 40ms;2000Ω 280ms±2%rdg ±5dgts
PSC200A (2.3A 40ms); 2000A(25A 20ms); 20KA (25A 20ms)Consider accuracy impedance
Voltage50V ~ 250V±2%rdg ±5dgts
Resistance0.1kΩ±1.0%rdg ±2dgts
Operating Voltage230V + 10% – 15% (195V ~ 253V) 50Hz
Safety StandardIEC61010-1 CATIII 600V
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CEM Corporation Overview

CEM Corporation, founded in 1978, is renowned for its pioneering contributions to scientific instrumentation with a focus on microwave-based technology for laboratory and research applications. The founders—Dr. Michael J. Collins (Chemist), Ronald Goetchius (Electrical Engineer), and Bill Cruse Jr. (Mechanical Engineer)—launched the company with a novel concept for microwave drying that significantly expedited moisture and solids analysis processes from hours down to minutes, which was a groundbreaking improvement at the time.

Product Innovation and Evolution

Over the years, CEM Corporation has expanded its product offerings beyond its original microwave moisture/solids analysis systems. Their portfolio now includes systems for:
  • Acid digestion for elemental analysis
  • Compositional testing of food products
  • Peptide and chemical synthesis
The company's dedication to innovation is reflected in their development of a diverse range of instruments suited for various applications from academic research to industrial quality control.
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