
10
4.7 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.
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 fi tness 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.
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11
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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Speci cation
MM84
True RMS Digital Multimeter
ELECTRICAL SPECIFICATIONS
All specifi ed accuracies are at 23°C ± 5°C, <75% RH
for 1 year
Temperature Coeffi cient: 0.1 x (specifi ed accuracy)
per °C. (0°C to 18°C, 28°C to 50°C)
DC Voltage
Range Resolution Accuracy
200mV 0.01mV
± (0.05 % of rdg + 3 dgts)
2V 0.0001V
20V 0.001V
200V 0.01V
1000V 0.1V
Input impedance: 10M:
Overload protection: 1000V DC or 750 AC rms
500V DC or 350 AC rms on the 200mV range
True RMS AC Voltage
Range Resolution Accuracy
200mV
0.01mV
50Hz to 500Hz ± (1.0 % of rdg + 10 dgts)
500Hz to 2kHz ± (2.0 % of rdg + 20 dgts)
2V
0.0001V
20V
0.001V
200V
0.01V
750V
0.1V 50Hz to 500Hz ± (2.0 % of rdg + 20 dgts)
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AC coupled true rms specifi ed from 5% to 100% of range
Crest factor: d 3
Input impedance: 10M:
Overload protection: 1000V DC or 750 AC rms
500V DC or 350 AC rms on 200mV range
DC Current
Range Resolution Accuracy Voltage
Burden
200μA 0.01μA ± (0.5 % of rdg + 5 dgts) 300mV
2mA 0.0001mA 300mV
20mA 0.001mA 300mV
200mA 0.01mA 600mV
20A * 0.001A ± (2.0 % of rdg + 10 dgts) 800mV
* Current on 10 A range applied for 30 seconds maximum
Overload protection:
0.5A/600V fast blow ceramic fuse on 200μA to 200mA ranges
20A/600V fast blow ceramic fuse on 20A range
True RMS AC Current (50Hz to 1kHz)
Range Resolution Accuracy Voltage
Burden
200μA 0.01μA ± (0.8 % of rdg + 10 dgts) 300mV
2mA 0.0001mA 300mV
20mA 0.001mA 300mV
200mA 0.01mA 600mV
20A * 0.001A ± (2.5 % of rdg + 10 dgts) 800mV
Speci cation
MM84
True RMS Digital Multimeter
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