Hioki ST5520 Insulation Tester

Reliable Insulation Testing for Professional Electrical Safety

Hioki ST5520 Insulation Tester
Brand: Hioki
Category: Insulation Resistance Tester
Availability: Ready Stock
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Hioki St5520 Insulation Tester Price in Bangladesh

Hioki ST5520 is a high performance insulation tester designed for electrical safety inspection, making Hioki St5520 Insulation Tester Price in Bangladesh a relevant search for engineers, technicians, manufacturers, and maintenance professionals. The instrument is designed to support efficient insulation resistance testing in production environments while providing reliable measurement performance for electrical and electronic equipment.

High Speed Insulation Measurement

The ST5520 is designed to perform insulation resistance testing efficiently, helping reduce inspection time in manufacturing and quality control environments. Its fast measurement capability supports repetitive testing while maintaining dependable results, making the instrument suitable for production lines where productivity and measurement consistency are important.

Stable and Reliable Measurement

Reliable insulation testing requires stable measurement conditions and effective control of electrical influences. The ST5520 is designed to provide consistent insulation resistance measurements, helping engineers evaluate insulation quality and identify potential leakage or deterioration. This supports dependable electrical safety verification during production and maintenance.

Contact Check Function

Proper contact between the test leads and the device under test is essential for reliable insulation measurement. The ST5520 provides contact checking functionality to help identify connection problems before they result in incorrect test judgments. This feature is particularly useful for automated inspection and repetitive production testing.

Suitable for Production Inspection

The ST5520 is well suited to manufacturing environments where insulation testing must be performed consistently across many products. It can support inspection of electrical components, wiring, assemblies, motors, transformers, and other equipment requiring insulation verification. Its production focused functions help quality control teams establish repeatable testing procedures.

Automatic Testing Capability

Automated testing can reduce operator workload and improve consistency during repetitive inspection. The ST5520 supports automated measurement workflows and can be integrated into production testing systems through its available communication functions. This allows engineers to incorporate insulation testing into broader automated quality control processes.

Reliable Electrical Safety Verification

Insulation resistance is an important indicator of electrical safety and equipment condition. The ST5520 helps engineers detect insulation weaknesses, leakage paths, and potential electrical faults before equipment is placed into service. Regular insulation testing can contribute to improved product reliability, preventive maintenance, and safer electrical operation.

Data Management and Communication

Professional testing environments often require measurement results to be recorded and transferred for analysis. The ST5520 provides communication capabilities that support connection with external equipment and automated inspection systems. This can help engineers organize measurement records, monitor production quality, and improve the traceability of electrical safety testing.

Practical Engineering Applications

The ST5520 can be used across a wide range of applications, including electrical component inspection, production quality control, equipment maintenance, motor testing, transformer inspection, wiring evaluation, and general insulation verification. Its professional measurement functions make it suitable for laboratories, factories, workshops, and engineering departments.

Durable Professional Design

Designed for demanding electrical testing environments, the ST5520 insulation resistance meter combines practical operation with dependable measurement performance. Its professional construction supports repeated use in production and maintenance applications, while appropriate test leads and correct operating procedures help maintain reliable measurement results throughout regular use.

Professional Insulation Testing Solution

With efficient insulation resistance measurement, contact checking, automated testing support, communication capabilities, and professional construction, the Hioki ST5520 provides a dependable solution for electrical safety inspection. It is suitable for engineers, technicians, production specialists, and quality control teams who require consistent insulation testing for electrical and electronic equipment.

Key Features: Hioki St5520 Insulation Tester

  • Rapidly assess in as fast as 50 ms
  • Quick discharge of residual voltage
  • Freely configurable test voltage (set from 25 V to 1000 V, 1 V resolution)
  • Contact check function (prevents errors due to poor contact)
  • Short-circuit check function (stops potential defects from reaching the market)

Specifications: Hioki St5520 Insulation Tester

Accuracy guaranteed: 1 year

Measurement items Insulation resistance (Applied DC voltage method)
Testing voltage (Measurement range: AUTO/MANUAL setting is possible)
25 V ≤ V < 100 V (2.000/20.00/200.0 MΩ),
100 V ≤ V < 500 V (2.000/20.00/200.0/2000 MΩ),
500 V ≤ V ≤ 1000 V (2.000/20.00/200.0/4000 MΩ)
Basic accuracy ±2 % rdg. ±5 dgt.
25 V ≤ V < 100 V [0 to 20 MΩ]
100 V ≤ V < 500 V [0 to 20 MΩ]
500 V ≤ V ≤ 1000 V [0 to 20 MΩ]
Measurement speed Fast: 30 ms/time, Slow: 500 ms/time (selectable)
Display LCD (service life: 100,000 hours), 4-level backlight
Internal memory Saved items: rated measurement voltage, comparator upper limit /lower limit values, test mode, beep sound to distinguish the result, test time, response time, resistance range, measurement speed
Memory capacity: up to 10 items (can be saved/loaded)
Comparator setting UPPER_FAIL: Measured value ≥ upper limit value
PASS: Upper limit value > measured value > lower limit value
LOWER_FAIL: Measured value ≤ lower limit value
Judgement process Beep sound, PASS / U.FAIL/L. FAIL: light up on LED display, When UL_FAIL, U.FAIL / L.FAIL light up simultaneously, EXT.I/O output, judgement result can be obtained via RS-232C
Test duration Definition of test duration: Test duration = Response time + Measurement time
Function: Set the time from voltage application until pass/fail assessment
Configuration range: 0.045 s to 999.999 s (0.001 s resolution)
Response time timer After the start of the test, comparator judgment operation can be prohibited until a set interval from 0.005 sec. to 999.999 sec. (at 0.001 sec. resolution) has passed.
Analog output DC +4 V f.s.
Interface RS-232C (standard), External I/O (External control input, Judgment result)
BCD output (ST5520-01 only)
Power supply 100 to 240 V AC, 50/60 Hz, 25 VA max.
Dimensions and mass 215 mm (8.46 in)W × 80 mm (3.15 in)H × 166 mm (6.54 in)D, 1.1 kg (38.8 oz)
Included accessories Instruction Manual ×1, Power cord ×1, EXT. I/O Connector ×1, Connector Cover ×1

Specifications: Hioki St5520 Insulation Tester

Included accessories Instruction Manual ×1, Power cord ×1, EXT. I/O Connector ×1, Connector Cover ×1

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