WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection Camera User Manual

June 5, 2024
WOHLER

WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection Camera

WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection
Camera

General Information

Operation Manual Information
This operation manual allows you to safety work with the Wohler L 200 Locator. Please keep this manual for your information.
The Wohler L 200 Locator should be used by trained professionals for its intended use only.
Liability is void for any damages caused by not following this manual.

Notes in this ma-nual

ATTENTION!
Not following this note can cause permanent damage to the monitor.

NOTE!
Usefull information

Proper use
The Wöhler L 200 Locator is designed for the localization of the Wöhler camera heads VIS Ø 40 mm und Ø 26 mm.

Features

Transport

To prevent damage to the Locator use the original carrying case when transporting.
For the transport the battery can be locked by an accu blocking switch. The switch is located on the bottom of the locator, see fig. 1, part 7.

  • Deactivate the battery by pushing the switch carefully to the left with a small screw driver.
  • Activate the battery by pushing the switch carefully to the right with a small screw driver.

Information on disposal
Electronic equipment does not belong in domestic waste, but must be disposed in accordance with the applicable statutory provisions.
You may hand in any defective batteries taken out of the unit to our company as well as to recycling places of public disposal systems or to selling points of new batteries or storage batteries.

Manufacturer
Wöhler Technik GmbH
Wöhler-Platz 1
33181 Bad Wünnenberg
Tel.: +49 2953 73-100 Fax: +49 2953 73-250 www.woehler.com

Technical Data

WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection
Camera-4

Design and function

Locator components

WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection
Camera-5 Fig. 1: Locator components

Diagram key

  1. Displa
  2. On/Off key
  3. Increase volume key
  4. Reduce volume key
  5. Micro USB port for charger adapter
  6. Headphone socket
  7. Accu blocking switch
  8. Compartment for lithographic chalk (concealed)
  9. Slot to secure the telescopic pole (rear side)
  10. Telescopic pole

Display

WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection
Camera-6

  1. Locator icon to indicate position of user
  2. Cursor to indicate position of camera head
  3. Virtual plane
  4. Intensity indicator (number)
  5. Intensity indicator (bar graph)
  6. Battery status indicator
  7. Volume indicator
  8. Selected Frequency

Function

Wöhler VIS Ø 40 mm and Ø 26 mm camera heads are equipped with a transmitter coil that transmits signals at a frequency of 8.9 kHz or 9.2 kHz (depending on the region). Three coils inside of each handgrip of the Locator measure magnetic fields. When the user holding the Locator approaches the camera head the measured magnetic field gets stronger. By calculating the difference in intensity of the signals received from the different coils, the Locator is able to indicate in which direction the camera head is located as seen from the Locator. A cursor in the display and an acoustic signal enable the user to locate the exact position of the camera head in the pipe.

Activating the battery

Fig. 3: Sperrschalter auf der Unterseite des Wöhler L 200

  • Before using the Locator for the first time activate the battery by pushing the locking switch carefully to the right. Use a tapered object.

Charge level and charging the rechargeable battery

The charge level of the rechargeable battery is indicated in the top right of the display.

NOTE!
The Locator powers off automatically when the battery charge is too low. It is possible to power the Locator on again as soon as a charger is connected.

If the rechargeable battery symbol is not filled, proceed as follows to recharge the battery:

  • Plug the micro-USB connector of the USB cable – included in the scope of supply – into the USB port (Fig. 1, position 6), then connect the power pack to the mains power supply.

(The USB-cable is a standard micro-USB ca-ble)
The lower part of the light framing the ON/OFF key flashes red while the battery is being re-charged.
The rechargeable battery is fully recharged when the red LED lights up continuously.

During the charging process a dynamic battery icon is shown in the display (in the upper right corner when the locator is switched on, in the middle when switched off.)
The battery is fully charged, when the battery symbol appears filled with 3 bars.

Operating the Locator

CAUTION!
Protect the Locator against moisture.

NOTE!
If possible, power off any electronic/electrical devices in the immediate area where you intend to use the Locator as they can affect the magnetic field.

Powering the Locator on and off

  • To power on the Locator, briefly press the On/Off key (Fig. 1, position 2).
    When the Locator is powered on, the top part of the light framing the On/Off key lights up green.
    The display powers up after about two seconds.

  • To power off the Locator, press and hold the On/Off key for about one second.

Selecting the frequency
Before locating the camera head, the user must select which frequency the locator should search for.

  • Make sure you know the frequency of the transmitter of your camera head. (Operating Instructions of the camera, chapter “Specifications”)
    The locator offers the following options:
    8.9 kHz, 9.2 kHz and Auto
    If “Auto” is selected, the locator automatically de-termines the frequency of the transmitter of the camera head.

NOTE!
If the “Auto” function has been selected, the loca-tor can only locate the camera head; if it is within 1 m of it.

The selected frequency is shown in the upper right corner of the locator display, see Fig. 2, Part 8.

  • Proceed as follows to make your selection:
  • With the locator on, briefly press the On/Off button to enter the Frequency-Selection-Menu.
  • Use the -/+ buttons to select the frequency.
  • Briefly press the On/off button again to confirm your selection.

Adjusting the volume / using headphones

An acoustic signal provides a clear indication of the distance between the Locator and the camera head. The closer the Locator gets to the camera head, the more intensive the signal becomes.

  • Press the + key to increase the volume.
  • Press the – key to reduce the volume.
    The acoustic signal is only available through the headphones as soon as you connect headphones to the headphone socket of the Locator.

Localizing the camera head

NOTE!
It is possible to switch off the transmitter in the camera heads VIS 250 and VIS 350. When work-ing with this system, make sure that the transmit-ter is switched on before beginning the localizing procedure (please refer to the operating manual Wöhler VIS 200/250/300/350, chapter “Making settings via the menu”. The transmitter in the camera heads Wöhler VIS 200/300 is permanently switched on.

Localizing visually

The position of the transmitter is depicted on the virtual plane immediately after the Locator is pow-ered on.
The intensity indicator indicates the strength of the signal being received on a scale between 0 and 100.

The longitudinal axis of the virtual plane symboliz-es the distance to the transmitter from the Loca-tor.
The direction in which the Locator needs to be guided to reach the position of the camera head is also indicated on the virtual plane.
The position of the camera head has been located when the cursor is positioned directly above the Locator icon.

Localizing acoustically
At the same time, the intensity of the acoustic signal increases as the Locator gets closer to the transmitter. The pitch of the tones gets higher and they are repeated in increasingly rapid succes-sion.

Marking the posi-tion of the camera head
Once the camera head has been localized, it is possible to mark its position using the yellow lith-ographic chalk supplied.

  • Push open the cover of the compartment on the front of the housing (Fig. 1, position 7).
  • Take out the lithographic chalk.

Working with the telescopic pole

  • The telescopic pole is a useful assistant when localizing the camera head concealed in the ceiling or in pipes deep in the ground or high up.

Fig. 8: Rear of the Locator: the arrow points towards the slot used to secure the telescopic pole.

  • To be able to hold the Locator flat against the wall, slide the straight part of the holder (1) in-to the slot on the rear of the Locator or
  • To be able to view the display as you work, slide the angled part of the holder (2) into the slot.
  • Undo the clamp (3) on the telescopic pole. Pull out the telescopic pole to the desired length and then tighten the clamp (4).

Fig. 10: Locator secured to the angled part of the holder (2) of the telescopic pole – the display is clearly visible.

Faults

WOHLER L 200 Sonde Locator for VIS 350 and VIS 250 Inspection
Camera-16

Warranty and Service

Warranty
Each Wohler L 200 Locator will be tested in all functions and will leave our factory only after ex-tensive quality control testing. If used properly, the warranty period for the Wohler L 200 will be 12 month
This guarantee does not include the costs for transport and packing material in case of repair.
Service by non-authorized personnel or making modifications to the Analyser voids any warranty.

Service
We see SERVICE as a very important element in our business. That is why we are still available to you even after the guarantee period has expired.

  • An immediate repair will be carried out if you bring your instrument to us in Bad Wünnenberg.
  • If you send us the instrument, it will be returned to you by our delivery service after repair in just a few days..
  • You can obtain immediate help from our engi-neers by telephone.

CE-Declaration of conformity (Europe)

The manufacturer:
WÖHLER Technik GmbH
Wöhler-Platz 1, D-33181 Bad Wünnenberg
declares that the product:
Wöhler L 200 Locator
complies with the key safety requirements set down in the guidelines of the Council for the Harmonization of the Legal Requirements of the Member States in relation to the electromagnetic compatibility (2014/53/EU).
The following standards were availed of to evaluate the product in respect of the elec-tromagnetic compatibility:

  • EN 61326-1:2013 / IEC 61326-1:2012
  • ETSI EN 301 489-1 V2.1.1 (2017-02)
  • Draft ETSI EN 301 489-1 V2.2.0 (2017-03)
  • ETSI EN 301 489-17 V3.1.1 (2017-02)
  • Draft ETSI EN 301 489-17 V3.2.0 (2017-03)
  • ETSI EN 300 328 V2.1.1 (2016-11)
  • ETSI EN 300 330 V2.1.1 (2017-02)
  • EN 62368-1 :2014+ AC:2015
  • IEC 62368-1 :2014 (Ed. 2) + Cor.:2015

FCC-Declaration of conformity (USA)

The manufacturer:
Wöhler Technik GmbH
Wöhler-Platz 1, D-33181 Bad Wünnenberg
hereby declares that the following product:

Wöhler L 200 Locator
complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

This equipment has been tested and found to comply with the following standards:

  1. ANSI C63.4:2014 American National Standard for Methods of Measuring of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz.
  2. FCC 47 CFR Part 2: General Rules and Regulations
  3. FCC 47 CFR Part 15: Radio Frequency Devices (Subpart B)
  4. ICES-003 Issue 6: (January 2016) Spectrum Management and Telecommunications.
    Interference-Causing Equipment Standard. Information Technology Equipment
    (Including Digital Apparatus) —Limits and Methods of Measurement

Compliance Test Report Nr. F180489E1

UKCA Declaration of Conformity (United Kingdom)
The manufacturer:
Wöhler Technik GmbH
Wöhler-Platz 1, D-33181 Bad Wünnenberg
hereby declares that the following product:
Product: Locator
Model: Wöhler L 200
is in conformity with the requirements of the following legislation:
Radio equipment Regulations 2017
The following standards were used to access the products in terms of electromagnetic compatibility:

  • BS EN 61326-1:2013 / IEC 61326-1:2012
  • ETSI EN 301 489-1 V2.1.1 (2017-02)
  • Draft ETSI EN 301 489-1 V2.2.0 (2017-03)
  • ETSI EN 301 489-17 V3.1.1 (2017-02)
  • Draft ETSI EN 301 489-17 V3.2.0 (2017-03)
  • ETSI EN 300 328 V2.1.1 (2016-11)
  • ETSI EN 300 330 V2.1.1 (2017-02)
  • BS EN 62368-1 :2014+ AC:2015
  • IEC 62368-1 :2014 (Ed. 2) + Cor.:2015

Points of sale and service

Germany

Wöhler Technik GmbH
Wöhler-Platz 1 33181 Bad Wünnenberg Tel.: +49 2953 73-100 Fax: +49 2953 73-96100 [email protected] www.woehler.de

Wöhler West
Steiger-Stein-Str. 5 44805 Bochum Tel.: +49 234 516993-0 Fax: +49 234 516993-99 [email protected]

Wöhler Süd
Gneisenaustr.12 80992 München Tel.: +49 89 1589223-0 Fax: +49 89 1589223-99 [email protected]

USA
Wohler USA Inc.
208 S Main Street Middleton, MA 01949 Tel.: +1 978 750 9876 www.wohlerusa.com

Italy
Wöhler Italia srl
Via Coraine 21
37010 Costermano VR
Tel. +39 045 6200080
Fax. +39 045 6201508
[email protected]
www.woehler.it

Austria
Wöhler GmbH
Heinrich-Schneidmadl-Str. 15
3100 St. Pölten
Tel.: +43 2742 90855-11
Fax: +43 2742 90855-22
[email protected]

Czech Republic
Wöhler Bohemia s.r.o.
Za Naspern 1993 393 01 Pelhrimov Tel.: +420 565 323 076 Fax: +420 565 323 078 [email protected]

France
Wöhler France SARL
17 A impasse de Grousset
31590 LAVALETTE
Tel.: +33 5 61 52 40 39 Fax: +33 5 62 27 11 31 [email protected] www.woehler.fr

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