MARTINDALE CB12 Manuel utilisateur
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Check out what else you can get from Martindale:
Martindale Electric Company Limited
Metrohm House, Imperial Park, Imperial Way,
Watford, Hertfordshire, WD24 4PP, UK
Tel: +44(0)1923 441717 Fax: +44(0)1923 446900
E-mail:[email protected]
Website: www.martindale-electric.co.uk
© 2011 Martindale Electric Company Ltd.
Registered in England No. 3387451. E. & O.E. Rev1 LITCB12
CB12 CHECKBOX
INSTRUCTION
MANUAL
GENERAL SAFETY INFORMATION: Always read before proceeding.
Warning
These instructions contain both information and warnings that are
necessary for the safe operation and maintenance of this product. It is
recommended that you read the instructions carefully and ensure that the contents
are fully understood. Failure to understand and to comply with the warnings and
instructions can result in serious injury, damage or even death.
In order to avoid the danger of electrical shock, it is important that proper safety
measures are taken when working with voltages exceeding 30V AC RMS, 42V AC
peak or 60V DC.
This product must only be used by a competent person capable of interpreting the
results under the conditions and for the purposes for which it has been
constructed. Particular attention should be paid to the Warnings, Precautions and
Technical Specifications. Always check the unit is in good working order before
use and that there are no signs of damage to it. Do not use if damaged.
Where applicable other safety measures such as use of protective gloves, goggles
etc. should be employed.
Please keep these instructions for future reference. Updated instructions and
product information are available at: www.martindale-electric.co.uk/instruct
REMEMBER: SAFETY IS NO ACCIDENT
MEANING OF SYMBOLS:
Specification
CB12
Checkbox
Equipment complies with relevant EU Directives
Caution - refer to accompanying documents
Caution - risk of electric shock
End of life disposal of this equipment should be
in accordance with relevant Local Directives
Resistance Settings:
0.5Ω, 1Ω, 2Ω, 20Ω, 200Ω, 1kΩ, 10kΩ, 20kΩ, 100kΩ, 1MΩ, 2MΩ,
10MΩ
Accuracy:
0.5Ω - 2Ω± 0.025Ω
20Ω - 10MΩ± 2%
Maximum Voltage Input: 1000V DC
Case: Impact Resistant ABS
Thank you for buying one of our products. For safety and full
understanding of its benefits please read this manual before
use. Technical support is available from 01923 441717 and
support@martindale-electric.co.uk.
CONTENTS
1 Introduction 1
1.1 Inspection 1
1.2 Description 1
2 Product Specific Safety Information 2
2.1 Precautions 2
3 Operation 3
3.1 How it Works 3
4 Maintenance 4
4.1 Calibration 4
4.2 Cleaning 4
4.3 Repair & Service 4
4.4 Storage Conditions 4
5 Warranty 5
Specifications
USER NOTES
1. INTRODUCTION
1.1 Inspection
Examine the shipping carton for any sign of damage. Inspect the
unit and any accessories for damage. If there is any damage then
consult your distributor immediately.
1.2 Description
The CB12 calibration checkbox is designed to check the calibration
of the continuity and resistance ranges of insulation testers &
multimeters, providing a quick check to ensure the instrument
being used is giving an accurate reading.
By checking an instrument regularly the user can verify that
measurements taken are accurate, within the tolerances of the
instrument and the check box. It is not designed to check loop
testers, where the high test current will damage the CB12.
USER NOTES
1 6
5. WARRANTY AND LIMITATION OF LIABILITY
This Martindale product is warranted to be free from defects in
material and workmanship under normal use and service. The
warranty period is 2 years and begins on the date of receipt by the
end user. This warranty extends only to the original buyer or end-
user customer, and does not apply to fuses, disposable batteries,
test leads or to any product which, in Martindale’s opinion, has been
misused, altered, neglected, contaminated, or damaged by accident
or abnormal conditions of operation, handling or storage.
Martindale authorised resellers shall extend this warranty on new and
unused products to end-user customers only, but have no authority to
extend a greater or different warranty on behalf of Martindale.
Martindale's warranty obligation is limited, at Martindale's option, to refund
of the purchase price, free of charge repair, or replacement of a defective
product which is returned to Martindale within the warranty period.
This warranty is the buyer’s sole and exclusive remedy and is in lieu
of all other warranties, expressed or implied, including but not
limited to any implied warranty of merchantability or fitness for a
particular purpose. Martindale shall not be liable for any special,
indirect, incidental or consequential damages or losses, including
loss of data, arising from any cause or theory.
Since some jurisdictions do not allow limitation of the term of an
implied warranty, or exclusion or limitation of incidental or
consequential damages, the limitations and exclusions of this warranty
may not apply to every buyer. If any part of any provision of this
warranty is held invalid or unenforceable by a court or other decision-
maker of competent jurisdiction, such holding will not affect the validity
or enforceability of any other provision or other part of that provision.
Nothing in this statement reduces your statutory rights.
2. PRODUCT SPECIFIC SAFETY INFORMATION
2.1 Precautions
This product has been designed with your safety in mind, but
please pay attention to the following warnings and cautions before
use.
Warning
Before use check the unit for cracks or any other damage. Make
sure the unit is free from dust, grease and moisture. Do not use if
damaged.
5 2
3. OPERATION
3.1 How it Works
Connect the instrument under test to the checkbox via the 4mm
terminals on the front of the checkbox. Select a resistance value
via the dial on the front of the checkbox. Set the instrument under
test to the relevant test range and either check the values or run
an insulation test to check the values are within the appropriate
limits.
We suggest that you keep a record of these results so you can
compare your instruments’ performance over a period of time. This
helps to identify faults and can show if the accuracy is drifting over
time.
4. MAINTENANCE
4.1 Calibration
To maintain the integrity of the checkbox, Martindale Electric
recommends that it is returned at least once a year to an approved
Calibration Laboratory for recalibration and certification.
Martindale Electric is pleased to offer you this service. Please
contact our Service Department for details.
Email: service@martindale-electric.co.uk
Tel: 01923 650660
4.2 Cleaning
The unit may be cleaned using a soft dry cloth. Do not use moisture,
abrasives, solvents, or detergents, which can be conductive.
4.3 Repair & Service
There are no user serviceable parts in this unit. Return to Martindale
Electric if faulty. Our service department will quote promptly to repair
any fault that occurs outside the guarantee period.
4.4 Storage Conditions
The instrument should be kept in warm dry conditions away from
direct sources of heat or sunlight, and in such a manner as to
preserve the working life of the unit. It is strongly advised that the
unit is not kept in a tool box where other tools may damage it.
3 4
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