MMC850-EN Megger, MMC850-EN Datasheet
MMC850-EN
Manufacturer Part Number
MMC850-EN
Description
CLAMP METER, CURRENT
Manufacturer
Megger
Datasheet
1.MMC850-EN.pdf
(2 pages)
Specifications of MMC850-EN
Dmm Type
Handheld
Current Range Ac
100mA To 100A
Frequency Measuring Range
45Hz To 400Hz
Battery Lifetime
180h
Battery Size Code
PP3
External Depth
44.5mm
External Width
94mm
Lead
RoHS Compliant
Display Count
2000
No. Of Digits / Alpha
3.5
Dmm Functions
AC Current
Rohs Compliant
NA
MMC850
Multi-core AC digital clamp meter
DESCRIPTION
The NEW Megger MMC850 offers a unique solution to
current measurement in multi-core cables, without the need to
split cores. Simply clamp the MMC850 to a multicore cable and
read the current flowing.
Conventional current clamp meters have been available for many
years and are an accepted method of non-intrusive current
measurement. However these instruments can only measure
current in a single core cable, requiring multi-core cables to be
split before a core can be measured.
Unlike conventional clamp meters, the MMC850 has a complex
array of Planer magnetic sensor coils to calculate the current
flowing in the conductors of multicore cables with either 2 or 3
cores, and in either flat or round section cable, up to 100 A. The
convenience and potential time saving from using the multi-core
clamp is considerable.
A single button switches the clamp between multi-core and single
core operation, ensuring the MMC850 is the only clamp meter
you need to carry.
The MMC850 has a tough and lightweight clamp head, allow
good access to awkward locations and cables.
The inner jaw clamp centralises the cable to be measured ensuring
best accuracy.
The MMC850 is suitable for supply frequencies from 45Hz to
400Hz. Current measurement to 200 A on single core and 100 A
on multi-core cables is possible, with a resolution to 0.1 A, so
covering the majority of power applications including
Military/Aviation.
SAFETY
The tough case is manufactured in ABS and the contoured design
fits comfortably in the hand with a positive finger guard.
The MMC850 meets the requirements of IEC1010-2-032,
Cat III 600 V, and is rated as safe for connection and
disconnection to live conductors.
APPLICATIONS
Use it anywhere where you want to measure current without
breaking a circuit or splitting cables. The MMC850 can also be
used in place of traditional clamp meters, when commissioning,
or for general maintenance work in
electrical machinery and installations.
In many applications, the indication of voltage alone is
insufficient to verify that an appliance is working.
For instance, having fitted a new thermostat to a water heater, a
neon may indicate voltage, but the element may be open-circuit.
With the MMC850 you can verify and measure the current simply
by clamping round the outer cable sheath.
When fault-finding, a voltmeter may indicate a voltage at the
terminals of a single-phase motor, but not help diagnose the
problem any further. With the MMC850, the distinction may be
made between a high current potentially indicating a shorted
winding or locked rotor and an open-circuit fault, such as a
disconnected termination or burnt-out winding.
Single, two or three core cable
measurement
Flat or round section cables
No need to split wires
Cable centralising clamp
Backlit display
50Hz and 60Hz supplies
IEC 1010-2-032, CAT III 600 V safety
protection
Multi-core AC digital clamp meter
MMC850
MMC850-EN Summary of contents
Page 1
... Cat III 600 V, and is rated as safe for connection and disconnection to live conductors. APPLICATIONS Use it anywhere where you want to measure current without breaking a circuit or splitting cables. The MMC850 can also be used in place of traditional clamp meters, when commissioning, or for general maintenance work in electrical machinery and installations. ...
Page 2
... 400 Hz Frequency 45Hz to 400Hz Battery Single PP3 9V Alkaline ORDERING INFORMATION Order Code MMC850-EN OTHER TECHNICAL SALES OFFICES Norristown USA, Toronto CANADA, Mumbai INDIA, Trappes FRANCE, Sydney AUSTRALIA, Madrid SPAIN and the Kingdom of BAHRAIN. MMC850 Multi-core AC digital clamp meter Battery life 180hrs typical Main jaw capacity 13mm (0.51" ...