Martindale FD500 Standard Fuse Finder
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Martindale FD500 Analogue Fuse Finder

Martindale FD500 Analogue Fuse Finder
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Martindale FD500 Analogue Fuse Finder
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Martindale Part No: MARFD500

The analogue Martindale Fuse Finder Kit (FD500) finds which fuse or breaker controls a circuit. It also enables tracing from socket to socket on a circuit. The transmitter (FD500/T) takes its power from the mains and emits a signal which the adjustable sensitivity receiver (FD500/R) can pick up. This combination can easily distinguish the appropriate circuit, even on a crowded fuse board. Sensitive analogue adjustment by thumb wheel finds the right breaker rapidly.

The FD500 fuse finder kit is supplied with a transmitter, receiver, batteries and instruction manual.


Transmitter

Transmit Signal

  • approx 5Hz; 20A (max) pulse of 1.7S width

General Specifications

  • Temperature Range: -10C to 40C at max 60% RH
  • Earth Leakage: Nil
  • Mains Supply: 230V, 30 - 70Hz
  • Power Consumption: 1W approx
  • Overvoltage: CAT III 300V
  • Protection Class: IP20
  • Dimensions: 65 x 65 x 46mm approx
  • Weight: 60g
Receiver

Tracing Depth

  • 0 - 10cm, for fuse assignment (depending on local conditions)

Sensitivity Control

  • Rotary thumbwheel on the housing

General Specifications

  • Temperature Range: -10C to 40C at max 60% RH
  • Protection Class: IP20
  • Power Supply: 9V Battery (PP3 / MN1604) alkaline only
  • Dimensions: 160 x 55 x 30mm
  • Weight: 135g approx
  • Units are EMC compliant

Can the Fuse Finder be used to troubleshoot dead circuits?
No, the transmitter is powered by the circuit under investigation.

What is the range of the Fuse Finder?
Depending on the type of cable in use, the range could be up to 200 metres.

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