DT-5554 RCD Tester | 1A Test Current | Trip Time Measurement | CAT III 1000V

DT-5554 RCD TESTER

Professional Microprocessor-Controlled Residual Current Device Tester

The DT-5554 RCD Tester is custom microprocessor controlled for highest accuracy and reliability in testing Residual Current Devices (RCDs). This professional instrument provides comprehensive testing of RCD trip times, ramp testing capabilities, and electrical safety verification for compliance with international electrical standards.

Key Features:

Advanced Testing Capabilities:

• Safe voltage measurement function before RCD testing

• Large custom digital display readout for clear measurement viewing

• Visual indication of reversed phase and neutral wiring at socket

• Double molded plastic housing for enhanced durability and insulation

• CAT III 1000V safety rating for distribution-level testing

Comprehensive RCD Testing:

• Multiple nominal test currents: 10mA, 30mA, 100mA, 500mA, 1A

• Current selection options: 0.5x, 1x, 2x, 5x nominal current

• Trip time measurement across different current multipliers

• Ramp test function: 0.4x to 1.4 times nominal rated current

• Mains voltage measurement: 230V (+10%/-10%) range

Technical Specifications:

Nominal Test Current:

• Ranges: 10mA / 30mA / 100mA / 500mA / 1A

• Accuracy: (-2% + 10%) + 6 Digits

Trip Time Measurement:

• 0.5x nominal current: 10-2000 ms range, 1 ms resolution

• 1x nominal current: 10-500 ms range, 1 ms resolution

• 2x nominal current: 10-150 ms range, 1 ms resolution

• 5x nominal current: 10-40 ms range, 1 ms resolution

• Accuracy: ±(2% reading + 2 Digits)

Ramp Test Function:

• Range: 0.4x to 1.4 times nominal rated current

• Resolution: 10%

Mains Voltage Measurement:

• Range: 230V (+10%/-10%)

• Resolution: 1V

• Accuracy: ±(2% reading + 2 Digits)

Physical Specifications:

• Size: 200mm x 92mm x 50mm (H x W x D)

• Weight: 582g

Safety & Compliance:

• Safety Standard: EN 61010-1 CAT III 1000V

• EMC & LVD Standards:

  • EN 61326

  • EN 61010-1

  • EN 61010-02-032

  • EN 61010-02-033

• CE Certified

Professional Applications:

• RCD trip time testing and verification

• Residual current device compliance testing

• Electrical installation safety inspections

• RCD ramp testing for performance evaluation

• Voltage measurement before RCD testing

• Wiring verification and fault diagnosis

Testing Functions:

1. Standard Trip Test:

• Tests RCD at 0.5x, 1x, 2x, and 5x nominal current

• Measures exact trip time in milliseconds

• Verifies compliance with required trip times

2. Ramp Test:

• Gradually increases current from 0.4x to 1.4x nominal rating

• Determines actual trip current level

• Identifies marginal RCD performance

3. Voltage Verification:

• Checks mains voltage before testing

• Ensures safe testing conditions

• Prevents testing on incorrect voltages