• In schools and training facilities and hobby and self-help workshops, the use of
measuring devices must be monitored by trained and responsible personnel.
• Never use the product immediately after it has been brought from a cold room
into a warm one. The condensation generated could destroy the product. Allow
the device to reach room temperature before connecting and using it. This may
take several hours.
•
Do not overload the product. Observe all specifications.
• The red and the black alligator clip or eyelet may not come into contact.
• Do not operate the product with wet hands.
• Do not cover the product during use.
• Never touch a bare metal part of the alligator clips or eyelets during operation.
•
Keep the product away from ignition sources or open flames; do not smoke when
handling the product. There is a risk of explosion!
• The product is not suitable for use in explosive environments.
•
Do not operate the product near inflammable materials or gases. There is a risk
of explosion!
• Use protective gloves to shield your skin from battery acid and oxidized alligator
clips or eyelets.
• Never touch any moving/rotating vehicle parts.
• Never touch any hot vehicle parts. Risk of burning!
• Make sure that the alligator clips or eyelets are connected correctly (negative/
positive pole) to the vehicle battery and do not come into contact with any other
objects.
• When using car batteries that are not maintenance-free, make sure the caps are
closed while connecting/disconnecting the battery tester.
• Lead acid batteries generate explosive gases during normal use that could
ignite by sparks. Avoid sparks/short circuits at any costs. Never short-circuit any
contacts.
• Caution: Sparks may occur when connecting the alligator clips or eyelets to the
battery terminals.
•
It is essential that you ensure sufficient ventilation. Carbon monoxide leaking while
the engine is running is highly toxic. Never inhale exhaust fumes.
• Always wear protective goggles when working with lead acid batteries, in order to
protect your eyes from contact with lead acid.
• Consult an expert when in doubt about operation, safety or connection of the
device.
•
Maintenance, modifications and repairs are to be performed exclusively by an
expert or at a qualified shop.
• If you have questions which remain unanswered by these operating instructions,
contact our technical support service or other technical personnel.
Operating elements
1
2
3
4
5
1 Display
2 Voltage selector
3 Power connection
4 Button for backlight
5 Warning LED
Operating instructions
Battery tester 12/24 V MW 336
Item no. 1499554
Intended use
The product is intended for checking the voltage of vehicle batteries (12/24 V). Power is
supplied to the product via the vehicle battery undergoing testing.
Operate in dry environments only.
For safety and approval purposes, you must not rebuild and/or modify this product. If you use
the product for purposes other than those described above, the product may be damaged.
In addition, improper use can cause hazards such as short circuiting, fire, electric shock etc.
Read the instructions carefully and keep them. Make this product available to third parties only
together with its operating instructions.
This product complies with the statutory national and European requirements. All company
names and product names are trademarks of their respective owners. All rights reserved.
Delivery content
• Battery tester
• Connection cable with alligator clips (approx. 29 cm)
• Connection cable with cigarette lighter plug (approx. 34 cm)
• Connection cable with ring eyelets (approx. 27 cm)
• Operating instructions
Up-to-date operating instructions
Download the latest operating instructions from our website www.conrad.com/downloads or
scan the printed QR code. Follow the instructions on the website.
Description of symbols
The symbol with a flash in a triangle indicates health risks e.g. due to electric shock.
The symbol with an exclamation mark in a triangle indicates important instructions
contained in these operating instructions that must be followed.
The arrow symbol alerts the user to the presence of important tips and notes on
using the device.
Safety instructions
Read the operating instructions carefully and especially observe the safety
information. If you do not follow the safety instructions and information on
proper handling in this manual, we assume no liability for any resulting
personal injury or damage to property. Such cases will invalidate the warranty/
guarantee.
• The device is not a toy. Keep it out of the reach of children and pets.
• Do not leave packaging material lying around carelessly. These may become
dangerous playing material for children.
• Protect the product from extreme temperatures, direct sunlight, strong jolts, high
humidity, moisture, flammable gases, vapours and solvents.
• Do not place the product under any mechanical stress.
• If it is no longer possible to operate the product safely, take it out of operation and
protect it from any accidental use. Safe operation can no longer be guaranteed
if the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in poor ambient conditions or
- has been subjected to any serious transport-related stresses.
• Please handle the product carefully. Jolts, impacts or a fall even from a low height
can damage the product.
• Also refer to the safety and operating instructions of the vehicles connected to
the product.
• For installations in industrial facilities, follow the accident prevention regulations
for electrical systems and equipment of the government safety organization or the
corresponding authority for your country.
