Kyoritsu 4118A Loop PFC-PSC Tester
The Kyoritsu 4118A Loop PFC-PSC Tester uses a low 15mA test current to measure loop impedance up to 2000 Ω without tripping RCDs as sensitive as 30mA, while reading prospective short circuit current directly.Overview
The Kyoritsu 4118A is a custom microprocessor-controlled Loop PFC-PSC Tester designed for accurate, RCD-safe testing on live installations. Its low 15mA test current allows loop impedance measurement on circuits protected by RCDs down to 30mA nominal differential current without nuisance tripping.
Key Features
- Custom microprocessor control for high accuracy and reliability
- Three LEDs indicate correct wiring status before testing
- 15mA loop test current avoids tripping RCDs rated as low as 30mA
- Direct reading of Prospective Short Circuit Current (PSC)
- Safe voltage measurement function and reversed phase/neutral indication
- Large custom digital display with resolution of 0.01 Ω on low loop resistances
- Automatic lock-out if the test resistor overheats
- IP54-rated housing, compliant with IEC 61557
Specifications
- Test Current: 15 mA
- Measurement Range: Up to 2000 Ω loop impedance
- Resolution: 0.01 Ω
- Display: Large custom digital display
- Safety Rating: IP54, IEC 61557
- Weight: 0.34 kg
- Color: Black
- Country of Origin: Japan
Why buy from Procure.ae
Procure.ae stocks genuine Kyoritsu electrical test instruments for contractors, facility managers and institutional buyers across the UAE and GCC, backed by responsive support and delivery for bulk orders. Request a quote for your project requirements.
FAQ
Q: Is the 4118A safe to use on circuits protected by RCDs?
A: Yes, its 15mA test current is low enough to avoid tripping RCDs with a nominal differential current as low as 30mA.
Q: Does the 4118A show prospective short circuit current directly?
A: Yes, PSC is read directly on the display alongside loop impedance measurements.
Description
Overview
The Kyoritsu 4118A is a custom microprocessor-controlled Loop PFC-PSC Tester designed for accurate, RCD-safe testing on live installations. Its low 15mA test current allows loop impedance measurement on circuits protected by RCDs down to 30mA nominal differential current without nuisance tripping.
Key Features
- Custom microprocessor control for high accuracy and reliability
- Three LEDs indicate correct wiring status before testing
- 15mA loop test current avoids tripping RCDs rated as low as 30mA
- Direct reading of Prospective Short Circuit Current (PSC)
- Safe voltage measurement function and reversed phase/neutral indication
- Large custom digital display with resolution of 0.01 Ω on low loop resistances
- Automatic lock-out if the test resistor overheats
- IP54-rated housing, compliant with IEC 61557
Specifications
- Test Current: 15 mA
- Measurement Range: Up to 2000 Ω loop impedance
- Resolution: 0.01 Ω
- Display: Large custom digital display
- Safety Rating: IP54, IEC 61557
- Weight: 0.34 kg
- Color: Black
- Country of Origin: Japan
Why buy from Procure.ae
Procure.ae stocks genuine Kyoritsu electrical test instruments for contractors, facility managers and institutional buyers across the UAE and GCC, backed by responsive support and delivery for bulk orders. Request a quote for your project requirements.
FAQ
Q: Is the 4118A safe to use on circuits protected by RCDs?
A: Yes, its 15mA test current is low enough to avoid tripping RCDs with a nominal differential current as low as 30mA.
Q: Does the 4118A show prospective short circuit current directly?
A: Yes, PSC is read directly on the display alongside loop impedance measurements.
Specifications
Brand
Kyoritsu
Product Type
Loop Impedance Tester
Storefront L1
industrial
Storefront L2
Advanced Test
Storefront L3
calibrators
Weight (Spec)
0.34
Color (Spec)
Black
Country of Origin
Japan
Frequently Asked Questions
Why is a low 15 mA test current critical for modern electrical systems?
The low current prevents nuisance tripping of sensitive 30 mA RCDs used in modern buildings, allowing technicians to measure loop impedance without cutting power during safety inspections.
What is loop impedance and why must it be tested?
Loop impedance measures the combined resistance and reactance of a fault loop circuit; testing confirms that protective breakers will trip fast enough to prevent dangerous touch voltage during faults.
How does direct prospective short circuit reading simplify site diagnostics?
Reading PSC directly eliminates manual calculations, reducing errors and saving time on-site when evaluating fault levels and breaker coordination for maintenance or modification work.
Which electrical systems need loop impedance verification?
All distribution circuits, especially those downstream of RCD protections, require loop impedance testing to confirm breaker trip time is sufficient to prevent shock hazards.
Can this tester measure loop impedance on distribution boards with multiple RCDs?
Yes, the 15 mA test current is designed to work with most modern RCD-protected circuits, allowing comprehensive loop testing across entire electrical systems.
Is the 4118A suitable for pre-startup commissioning on new buildings?
Absolutely, this tester is ideal for new building commissioning to verify that all protective circuits have adequate speed and capacity, meeting electrical code requirements.
What is the typical lead time for loop impedance testers in the GCC?
Availability depends on local stock; contact Procure.ae to request a quote and confirm delivery timelines.
Does Procure.ae provide guidance on loop testing compliance standards?
Procure.ae supplies the equipment; for detailed testing procedures and standards compliance, consult your local electrical code or a qualified electrical engineer.
What measurement range and resolution does the 4118A provide?
The 4118A measures loop impedance up to 2000 Ω and provides prospective short circuit readings, designed for modern low-current RCD-protected circuits.
Is a warranty included with the 4118A?
Kyoritsu products include manufacturer warranty; contact Procure.ae to confirm coverage terms for this model.
What cables and probes are provided with the tester?
Contact Procure.ae for a detailed list of included test leads and connection accessories.
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