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MARTINDALE CM57, Instruction Manual, Page: 5 / 6

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MARTINDALE CM57 Instruction Manual Download Page 5

15

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 reasonable 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.

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Specification
CM57
AC Smart Clamp Multimeter

ELECTRICAL

All specified accuracies are at 23°C ± 5°C, <80% RH for 1 year.

Temperature coefficient:

 Add 0.1 x (specified accuracy) per °C. (0°C to 18°C,    

 

28°C to 40°C).

All accuracies below are expressed as ± (percentage of r digits)

DC Voltage

Range

Resolution

Input 

impedance

Accuracy

6V

0.001V

10M

:

1.0% + 3

60V

0.01V

600V

0.1V

Overload protection: 660V DC or AC rms

AC Voltage 

Range

Resolution

Input 

impedance

Accuracy

(50 to 400Hz)

6V

0.001V

10 M

:

1.2% + 5

60V

0.01V

600V

0.1V

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Minimum AC voltage measurement: 0.3V rms

Crest factor: <1.8

Overload protection: 660V DC or AC rms

AC Current

Range

Resolution

Accuracy

(50 to 60Hz)

(60 to 400Hz)

60A

0.01A

1.9% + 5

3.0% + 5

600A

0.1A

Crest factor: <1.8 

Overload protection: 660A DC or AC rms

Resistance

Range

Resolution

Open circuit 

voltage

Accuracy

600

:

0.1

:

-1.5V DC

1.2% + 3

6k

:

0.001k

:

60k

:

0.01k

:

600k

:

0.1k

:

6M

Ÿ

0.001M

Ÿ

Overload protection: 450V DC or AC rms

Continuity

Open circuit voltage

Audible indication

-1.5V DC

d

30

:

Overload protection: 450V DC or AC rms

Specification
CM57
AC Smart Clamp Multimeter

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Summary of Contents for CM57

Page 1: ...e Updated instructions and product information are available at www martindale electric co uk 1 1 Meaning of Symbols and Markings Caution risk of danger refer to instructions Caution risk of electric shock Equipment protected by double or reinforced insulation Class II Application around and removal from hazardous live conductors is permitted CAT II Measurement Category II is applicable to test an...

Page 2: ...s Cautions Avoid severe mechanical shock or vibration and extreme temperature When using test leads avoid excessive stresses to the cable entry points at the probe and 4mm plug connector To avoid possible corrosion from leaking batteries remove the batteries when the unit is not in use for an extended period 2 INTRODUCTION 2 1 Inspection Examine the shipping carton for any sign of damage Inspect t...

Page 3: ...nd release the trigger to close the jaws Position the clamp meter so the conductor is central within the clamp jaws Read the measured ac current from the display Note Clamping around more than one conductor will result in an incorrect measurement 3 11 Voltage Measurements Connect the black test lead to the COM terminal and the red test lead to the terminal Set the rotary switch to the V position T...

Page 4: ...can be accessed by removing the screw and lifting off the cover 12 Figure 2 13 Fit 2 new 1 5V AAA alkaline batteries IEC LR03 NEDA 24A observing correct polarity Replace the battery compartment cover and screw Note Do not mix old and new batteries 4 2 Test Lead Replacement If the test leads become damaged they should be replaced The replacement test leads must have the same or better overvoltage c...

Page 5: ... 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...

Page 6: ... up to 2000m Pollution degree 2 SAFETY Conforms to BS EN 61010 1 BS EN 61010 2 032 CAT III 600V Class II double insulation Specification CM57 AC Smart Clamp Multimeter EMC Conforms to BS EN 61326 1 SPECIFICATION FOR TL16 TEST LEADS Maximum voltage 1000V AC DC Maximum current 10A continuous Connector 4mm banana plug with fixed shroud Environmental Temperature Operating Storage 0 C to 40 C Altitude ...

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