GOSSEN METRAWATT FD PRO Fuse and Circuit Breaker Detector User Manual

GOSSEN METRAWATT FD PRO Fuse and Circuit Breaker Detector User Manual

Safety Instructions

Observe this documentation, in particular all included safety information, in order to protect yourself and others from injury, and to prevent damage to the instrument.

• Read and observe the operating instructions carefully and You can find the document at http://www.gossenmetrawatt.com. Keep the document for future reference.
• Tests may only be performed by a qualified electrician, or under the supervision and direction of a qualified The user must be instructed by a qualified electrician concerning performance and evaluation of the test.
• Adhere to the five safety rules as defined in DIN VDE 0105-100:2015-10; VDE 0105- 100:2015-10 Betrieb von elektrischen Anlagen – Teil 100: Allgemeine Festlegungen Operation of electrical installations – Part 100: General

(1. Disconnect completely. 2 Secure against reconnection. 3. Verify that the installation is dead. 4 Carry out earthing and short-circuiting. 5. Provide protection against adjacent live parts.)

• Wear suitable and appropriate personal protective equipment (PPE) whenever working with the
• If the instrument doesn’t function flawlessly, remove it from operation and secure it against inadvertent
• The instrument may only be used as long as it’s in good working

Inspect the housing before use. Pay particular attention to any possible cracks and the insulation.

• Use only the specified accessories with the
• Accessories and cables may only be used as long as they’re fully

Inspect all cables and accessories before use. Pay particular attention to damaged hous- ings, broken insulation or kinked cables.

• Only use the instrument and the specified accessories in compliance with the specified technical data and under the specified
• The instrument and the included accessories may only be used for the tests described in this
• Do not use the instrument after long periods of storage under unfavorable conditions (e.g. humidity, dust or extreme temperature).
• Do not use the instrument after extraordinary stressing due to
• Do not use the instrument in potentially explosive
• Use the instrument only in accordance with the specified protection class (IP code).
• The instrument must not be exposed to direct
• Observe and comply with all safety regulations which are applicable for your work envi-

1Gossen Metrawatt GmbH  METRAFUSE FD PRO

Applications

 Intended Use / Use for Intended Purpose

The METRAFUSE FD PRO is a test instrument used for the speedy identification of which fuse or circuit breaker is protecting a circuit.
The METRAFUSE FD PRO consists of two parts: a receiver and a transmitter. The transmit- ter is connected to the circuit under test and uses the AC circuit‘s power to generate and inject a modified high frequency signal into the live conductor. The receiver is used to detect the signal from the transmitter and when put in contact with the fuse or circuit breaker that is connected to the circuit under test will indicate the presence of the transmitter signal both by LED and beeping.
Safety of the operator, as well as that of the instrument, is only assured when it’s used for its intended purpose.

Use for Other than Intended Purpose

Using the instrument for any purposes other than those described in these operating instruc- tions is contrary to use for intended purpose.

Liability and Guarantee

Gossen Metrawatt GmbH assumes no liability for property damage, personal injury or con- sequential damage resulting from improper or incorrect use of the product, in particular due to failure to observe the product documentation. Furthermore, all guarantee claims are ren- dered null and void in such cases.
Nor does Gossen Metrawatt GmbH assume any liability for data loss.

Opening the Instrument / Repairs

The instrument may only be opened by authorized, trained personnel in order to ensure flaw- less, safe operation and to assure that the guarantee isn’t rendered null and void. Even orig- inal replacement parts may only be installed by authorized, trained personnel.
Unauthorized modifications to the instrument are prohibited.
If it can be ascertained that the instrument has been opened by unauthorized personnel, no guarantee claims can be honored by the manufacturer with regard to personal safety, mea- suring accuracy, compliance with applicable safety measures or any consequential dam- ages.

Instrument Overview

Symbols on the instrument and the included accessories:

****Warning concerning a point of danger (attention, observe documentation!)
Double insulation (protection category II)
European conformity marking
The device may not be disposed of with household trash. Return and Disposal ?215.

Relevant Standards

The instrument has been manufactured and tested in accordance with the following safety regulations:

DIN EN 61010-1: 2010

VDE 0411-1: 2010

| measurement, control and laboratory use. Part 1: General requirements
IEC 61010-2-030: 2010| Safety requirements for electrical equipment for
DIN EN 61010-2-030: 2010

VDE 0411-2-030: 2010

| measurement, control and laboratory use.

Part 2-030: Particular requirements for testing and measuring circuits

IEC 61326-2-2: 2013| Electrical equipment for measurement, control and
DIN EN 61326-2-2: 2013

VDE 0843-20-2-2: 2013

| laboratory use – EMC requirements.

Part 2-2: Particular requirements for portable test equipment used in low- voltage distribution systems.

METRAFUSE FD PRO   Gossen Metrawatt GmbH

The Instrument

 Scope of Delivery

Please check for completeness.

1 METRAFUSE FD PRO receiver
1 ALKALINE BATTERY, 9 V
1 METRAFUSE FD PRO transmitter
1 Mains lead cable for transmitter
1 Fused test probe set incl. alligator clips
1 Bag
1 Operating instructions (this document)

You will need a Philips screwdriver to open and close the battery compartment.

Technical Data

 | Receiver supply:| alkaline battery 9 V

type PP3/MN 1604/6F22 or equivalent

---|---|---
Power| Receiver auto power off:| after 6 minutes
 | Transmitter supply:| circuit under test

(100 V …250 V AC; 50 Hz … 60 Hz)

 | Transmitter current:| < 20 mA

Ambient Conditions

| Operating temperature: Storage temperature: Relative humidity:

Elevation:

| 0 … +40 °C

–20 … +60 °C

max. 75%, no condensation allowed max. 2000 m

Electrical Safety

| Measuring category: Pollution degree:

Protection category:

| CAT III, 250 V 2

II

Electromagnetic Compatibility (EMC)| Interference emission / immunity:| EN 61326-1: 2013 resp.

EN 61326-2-2: 2013

 | Protection:| IP20|
 | Dimensions (W × H × D):| Transmitter| 160 × 85 × 35 cm
Mechanical Design|  | Receiver| 210 × 50 × 35 cm
 | Weight:| Transmitter| 166 g
 |  | Receiver| 78 g (without battery)
Test probe set

Fuse| Super-Fast (FF) Safety Fuses, 10 A, 600 V, 6,3 × 32 mm
Measuring category:| CAT III 1000 V, CAT IV 600 V

Preparation

Before using the METRAFUSE FD PRO, prepare as follows:

1. Establish the power supply ?2
2. Turn the device on ?2
3. Conduct a pre-use-check ?2

After you have performed these steps, you can find fuses and circuit breakers ?29.

Electrical Power Supply

The receiver and transmitter are powered differently.

Receiver (M660B)

The METRAFUSE FD PRO receiver is powered by a 9 V Alkaline battery type PP3/MN 1604/ 6F22 or equivalent. One battery is included in delivery; replacements must be provided.
You have to install the battery before first use and replace it later if depleted. Required tools: Philips screwdriver.
? The receiver is switched off.

1. Place the receiver face down on a stable
2. Loosen and remove the screw from the battery compartment
3. Unlock and remove the battery compartment
4. Connect the 9 V battery to the battery
5. Only the battery specified in the technical data (?26) may be connected and
6. Insert the 9 V battery into the battery compartment, making sure that the wires are not damaged (e.g. squished).
7. Place the battery compartment cover onto the battery compartment and press it until it audibly clicks into
8. Secure the battery compartment cover with the

⮡ The receiver is provided with power.
The receiver LEDs provide status information on the battery power:

required soon
Receiver on LEDs and signal strength LEDs flashing:| battery almost discharged; replacing required

To maximize battery life, the receiver will automatically switch off after six minutes of inactiv- ity. To resume testing after this period, it can be turned on again ?28.

Transmitter (M660A)

The transmitter is powered by the circuit under test (100 V …250 V AC; 50 Hz … 60 Hz) it is connected to. The transmitter is connected to it either by the mains cable or the fused test probe set. Both are described in chapter Operation ?29.
he transmitter current is < 20 mA. Gossen Metrawatt GmbH   METRAFUSE FD PRO

Switching On (and Off) and Resetting the Receiver

The receiver has a button, the transmitter does not.

Receiver

The receiver has a button “on/reset“ which has 3 functions:

1. On:

Push and immediately release the button. The receiver emits a steady bleeping and green receiver on LEDs indicate its battery status.

2. Off:

Push and hold button down for over 1 second. The receiver turns off.

3. Reset:

Push and immediately release the button when the receiver is already turned on. All scan- ning function memories are reset to zero. The fuse and circuit breaker finding process can be (re)started ?29.
Reset the receiver out of reach from distribution boards. The distribution board signal interferes with the reset.

Transmitter

There is no switch for the transmitter. It automatically turns on when it is connected to the circuit under test and also injects the test signal into the live conductor automatically.

Pre-Use-Check

Before each use of your METRAFUSE FD PRO, check that the receiver and transmitter are functioning correctly.

? The electrical power supply has been established ?27.

1. Switch the receiver on ?2
2. Check that the receiver on LEDs are GREEN and that a steady beeping tone is If either of these functions is not present, replace the battery in the receiver before pro- ceeding (?27).
3. Connect the transmitter to an electrical outlet?2
4. Move the receiver scanning head over the label of the

There will be “hotspots” on the transmitter label where the frequency of the beeping will become very rapid or change to a continuous tone and all of the signal strength LEDs will light up.
⮡ The instrument is ready for use.
(If the indication from step 4.cannot be obtained, remove it from operation and secure it against inadvertent use. Then return it to Repair and Replacement Parts Service for exam- ination ?214.)
Gossen Metrawatt GmbH

Operation

The METRAFUSE FD PRO is used for the speedy identification of which fuse or circuit breaker is protecting a circuit.

Principle of Use and Advice for Best Performance

The METRAFUSE FD PRO consists of two parts: a receiver and a transmitter.
The transmitter is connected to the circuit under test and uses the circuit‘s power supply to generate and inject a modified high frequency signal into the live conductor that can be detected by the receiver.

Note!

The signal will not adversely affect other equipment but is powerful enough to work over cable runs of several hundred meters.
The receiver uses a ferrite transducer to detect the signal from the transmitter at the distribu- tion board. When its scanning tip is put in contact with the fuse or circuit breaker that is con- nected to the circuit under test, it will indicate the presence of the transmitter signal both by LED and beeping. Varying the angle at which the scanning tip is held in relation to the breaker will affect the strength of the signal received. Therefore, for the duration of the test you must keep the scanning tip at the same angle relative to the fuses or circuit breakers and at a similar distance to them.

The signal strength indicator is comparative rather than absolute: Each press of the on/reset button resets the sensitivity to maximum and the receiver will respond when placed in close proximity to any fuse, circuit breaker or cable carrying the signal. During a test, the receiver will auto tune its sensitivity to the strongest signal encountered since the reset button was last pushed. It is therefore necessary to ensure that all of the breakers that could be protect- ing a circuit are scanned at least twice and that you do not stop as soon as a maximum strength signal is indicated.

Due to the differing designs of circuit breakers, it may sometimes be unclear which of two circuit breakers the strongest signal comes from. Particularly if the maximum strength signal appears to come from a boundary area between two adjacent circuit breakers. In this case, rotate the receiver (without resetting) through 360º to identify the orientation in which the strongest signal is found. Reset and re-scan the row of breakers. Alternatively, you can reset the receiver (?28) and test at the opposite (to the common boundary) edge of each circuit breaker. The strongest signal should come from the correct circuit breaker.

Finding Fuses or Circuit Breakers

? The receiver‘s battery is full ?27.
? The pre-use-check was positive ?28.

1. Connect the provided transmitter mains lead cable to the transmitter‘s mains cable and test probe
2. Plug the transmitter mains lead cable into an outlet of the circuit under

The transmitter is provided with power (the transmitter on LED is lit red). It automatically injects the test signal into the live conductor.
Gossen Metrawatt GmbH  METRAFUSE FD PRO

5. Press the receiver‘s on/reset button and immediately release
   The receiver is turned on. A steady beeping tone is emitted and the receiver on LED is lit green to indicate automatic scanning mode.

6. Reset the receiver by pressing and immediately releasing the on/reset button The receiver is reset.
   The distribution board signal interferes with the reset. Reset the receiver out of reach from the distribution board.

7. With the receiver, go to the distribution board that contains the fuses or circuit breakers that may protect the circuit under

8. Place the receiver‘s scanning tip in contact with the face of the fuses or circuit breakers at a right angle to the direction of the body and run the scanning head steadily along the row(s) of fuses or circuit Ensure that you place the scanning tip on the circuit side rather than the supply side of the fuse or circuit breaker.When the receiver detects a stronger transmitter signal, the frequency of the beeping will increase to a very rapid or continuous tone, the pitch of the beeper will increase and the signal strength LEDs will light up, climbing the bar graph.

9. Continue scanning back and forth across all rows of fuses or circuit breakers until the signal strength LED is lit only when the scanning tip is over one single fuse or circuit (With each sweep the receiver will automatically adjust its sensitivity and disre- gard weaker signals.)Scan all of the fuses and circuit breakers that may protect the circuit under test sev- eral times.

The signal strength indicator used is comparative. Therefore, on the first scan of the fuses or circuit breakers, the signal strength LED will often light for several different fuses or circuit breakers. This indicates that the signal detected is the strongest found so far. Do not stop scanning at this point as it may not be the strongest signal there is!

⮡ You have found the fuse or circuit breaker protecting the circuit under test. Switch off the test instruments and unplug the transmitter from the outlet.

Finding Fuses or Circuit Breakers of Bare Wires

Use the fused test probe set (included in delivery ?23) for finding fuses or circuit breakers of bare wires, e.g. light fittings.
Risk of electric shock!
Do not touch bare wires or bare components.
Wear suitable and appropriate personal protective equipment (PPE). Adhere to the five safety rules as defined in DIN VDE 0105-100:2015-10; VDE 0105-100:2015-10.
? The receiver‘s battery is full ?27.
? The pre-use-check was positive ?28.

1. Switch off the power to all components under As you do not know which fuse or circuit breaker is applicable, switch off the entire distribution board.
2. Remove the test probe

The removable part begins directly below the 3 probe-colored rings.

12. Clip the alligator clips onto the test probes (blue to blue and black to black).

13. Connect the fused test probe set to the transmitter mains cable and test probe connec-

14. Connect the blue test probe to the neutral

15. Connect the black test probe to the live

16. Switch the power bache transmitter is provided with power (the transmitter on LED is lit red). It automatically injects the test signal into the live conductor.

17. Press the receiver‘s on/reset button and immediately release
    The receiver is turned on. A steady beeping tone is emitted and the receiver on LED is lit green to indicate automatic scanning mode.

18. Reset the receiver by pressing and immediately releasing the on/reset button The receiver is reset.
    The distribution board signal interferes with the reset. Reset the receiver out of reach from the distribution board.

19. With the receiver, go to the distribution board with the fuses or circuit breakers that may protect the circuit under

20. Place the receiver‘s scanning tip in contact with the face of the fuses or circuit breakers at a right angle to the direction of the body and run the scanning head steadily along the row(s) of fuses or circuit Ensure that you place the scanning tip on the circuit side rather than the supply side of the circuit breaker or switch.When the receiver detects a stronger transmitter signal the frequency of the beeping will increase to a very rapid or continuous tone, the pitch of the beeper will increase and the signal strength LEDs will light up, climbing the bar graph.

21. Continue scanning back and forth across all the rows of fuses or circuit breakers until the signal strength LED is lit only when the scanning head is over one single fuse or circuit (With each sweep the receiver will automatically adjust its sensitivity and disre- gard weaker signals.)Scan all of the fuses and circuit breakers that may protect the circuit under test sev- eral times.

The signal strength indicator used is comparative. Therefore, on the first scan of the fuses or circuit breakers, the signal strength LED will often light for several different fuses or circuit breakers. This is indicating that the signal detected is the strongest found so far. Do not stop scanning at this point as it may not be the strongest signal there is!
⮡ You have found the fuse or circuit breaker protecting the circuit under test.
Switch off the test instruments. Switch off the power and disconnect the test probes from the wires. Switch the fuse or circuit breaker and then the power back on.

Maintenance

Housing

No special maintenance is required for the housing. Keep outside surfaces clean. Use a cloth for cleaning, which has been slightly dampened with water.
Do not use cleansers, abrasives or solvents!
Never touch or clean the conductive ends of the test probes or any other electrical contact!

Test Probes: Fuse Replacement

The test probes feature fuses for extra security. If the fuses are blown, you must replace them. Always check the fuses in both test probe heads and replace if blown. You will need Super-Fast (FF) Safety Fuses, 10 A, 600 V, 6,3 × 32 mm.
? The test probes are disconnected from the device.
? The replacement fuses are on hand.

Do no touch the conductive ends of the test probes!

1. Pull off the test probe head to remove

The removable part begins directly below the 3 probe-colored rings.

2. Unscrew the part above the black ring and remove The fuse is located in the bottom of the removed part.
3. Remove the
4. The fuse may be tucked in Be careful when using force to remove it!
5. Replace the
6. You may encounter resistance when inserting the replacement Be careful when using force to insert it!
7. Screw the part with the fuse back into the test
8. Clip the test probe head back
9. Repeat the previous steps with the other test

⮡ The fuses in the test probes have been replaced.

Product Support

If required please contact:

Gossen Metrawatt GmbH Product Support Hotline Phone:           +49 911 8602-0
Fax:           +49 911 8602-709
E-Mail:      support@gossenmetrawatt.com

 Repair and Replacement Parts Service / Calibration Center* and Rental

Instrument Service

If required please contact:
GMC-I Service GmbH Service Center Beuthener Straße 41
90471 Nürnberg • Germany
Phone:      +49 911 817718-0
Fax:           +49 911 817718-253
E-mail:      service@gossenmetrawatt.com Web:                  www.gmci-service.com

This address is only valid in Germany. Please contact our representatives or subsidiaries for service in other countries.

 CE Declaration

This instrument fulfills the requirements of the applicable EU guidelines and national regula- tions. We confirm this with the CE marking. The CE Declaration of Conformity is available upon request.

Return and Disposal

This instrument is subject to directive 2012/19/EC on Waste Electrical and Electronic Equip- ment (WEEE) and its German national equivalent implemented as the Waste Electrical and Electronic Equipment Act (ElektroG) on the marketing, return and environmentally sound dis- posal of electrical and electronic equipment. The instrument is a category 9 product (moni- toring and control instrument) in accordance with ElektroG (German Waste Electrical and Electronic Equipment Act).

The symbol at the left indicates that this device and its electronic accessories must be disposed of in accordance with applicable legal regulations, and not together with household waste. In order to dispose of the device, bring it to a designated col- lection point or contact our product support department (?214).
This instrument is also subject to directive 2006/66/EC on batteries and accumulators and waste batteries and accumulators and its German national equivalent implemented as the Battery Act (BattG) on the marketing, return and environmentally sound disposal of batteries and accumulators.

The symbol at the left indicates that batteries and rechargeable batteries must be disposed of in accordance with applicable legal regulations. Batteries and recharge- able batteries may not be disposed of with household waste. In order to dispose of the batteries or rechargeable batteries, remove them from the instrument and bring them to a designated collection point.
Separate disposal and recycling conserves resources and protects our health and the envi- ronment.Current and further information is available on our website at http://www.gossenmetrawatt.com under the search terms “WEEE” and “environmental protection”.

© Gossen Metrawatt GmbH
Edited in Germany · Subject to change without notice / Errors excepted · A PDF version is available on the Internet
All trademarks, registered trademarks, logos, product names, and company names are the property of their respective owners.

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References

• Servicepartner für Kalibrierungen, Reparaturen, Ersatzteile, Mietgeräte | GOSSEN METRAWATT GMC-I Service GmbH
• GOSSEN METRAWATT, GMC-Instruments
• Measuring and Test Technology | GOSSEN METRAWATT | CAMILLE BAUER

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