Megger Serie MIT300 Bruksanvisning
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MIT300 Series
Insulation and Continuity Testers
www.megger.com 1
DESCRIPTION
The Megger MIT300 series features:
Digital or Analogue: The Megger MIT300, MIT310 and
MIT320 all feature the popular Megger digital/analogue
display. Large 20mm high characters provide very clear
readout, combined with an analogue arc for the feel of
an analogue instrument, with a true analogue response.
Tough:-
Designed to take the bashing that testers receive
on site, the Megger MIT insulation testers are
rubber armoured.
The rigid display cover folds right out of the way
during testing and locks down to protect the
display when it is finished.
Simple to use:-
No buried functions mean it is obvious how to use
the Megger MIT.
Colour coded ranges help test selection, reducing
testing time and help with fault location.
A user guide in the lid provides all the basic
information.
Hands free use:–
It hangs comfortably around the neck for
hands-free use because the instrument is
carefully balanced.
Continuity and buzzer testing starts automatically
on connection to the circuit.
Insulation tests being activated from the instrument
or the switch probe, supplied with MIT320 and
MIT330 (not suitable for the use with the MIT300 or
MIT310).
Backlighting:-
Both the display and the range selected can be read
in the dark because the MIT 320/330 has a backlit
display and range selection.
Safety features:- To protect the user and the tester from
incorrect use the MIT series all have an extensive range of
features known as the Megger Intelligent Safety System
including:
Safety Interlock – prevents unsafe connection of
test leads
Safe contact detectors – Even if the MIT is
connected to a live circuit whilst on continuity
setting the tester will remain safe and not be
damaged.
Live voltage warning – alerts the operator when a
circuit voltage over 25 V exists.
Safety lockout – Prevents the test from operating
when the circuit voltage is >50 V.
Continuity check – prevents a continuity test or
buzzer test on a live circuit.
The MIT300, 310, 320 and 330 meet or exceed the
UK and International Wiring Regulations, including
requirements of BS7671 and VDE 0413 parts 1 and 4, HD
384, IEC 364, NFC15-100, NEN3140, ES59009 and EN
61557.
Extremely easy to use
Tough rubber armoured case
Self contained protective cover
Live circuit warning
Weatherproof to IP54
Intelligent Safety System for protection.
Result storage and downloading
Download software included
USB interface
Compatible with CertSuite.app
MIT300 Series
Insulation and Continuity Testers
www.megger.com 2
In addition the range meets the requirements of
IEC 61010-1 for safe connection to a 440 V Installation
Category III supply (600 V Phase to Earth).
The MIT330 additionally offers the facility to save test
results to internal memory. Over 1000 result can be
saved on site, and downloaded to a computer when
convenient. Data is stored in non-volatile memory, being
retained when the instrument is switched off or batteries
are exhausted.
A Job reference number can be selected for a range of
results, allowing separate locations to be tested with the
same tester and easily separated when downloaded.
A memory bar graph acts as a ‘Fuel Gauge’ showing how
much memory has been used
Test results are downloaded to CSV (Coma Separated
Variable) spreadsheets, and can be imported into
Microsoft Excel. If certificates or reports are required,
the results can be downloaded via Megger Download
Manager (supplied) for simple form filling of test results
using optional certification software such as CertSuite
from Megger.
CertSuite electrical certification software works online
and offline, with PC, Mac, tablets and phones. It allows
you to send your certificate straight from the job to
Cloud based secure storage, seamlessly auto-syncing to
allow multiple engineers to work on the same certificate
simultaneously. An office-based supervisor can manage
on-site data entry and add company logos, photographs,
etc. Visit for more information. CertSuite.app
APPLICATIONS
The MIT300 series has applications in all aspects of
domestic, commercial and industrial electrical
contracting, building maintenance, testing, inspection
and servicing.
Combining both Insulation testing and continuity testing,
each instrument caters for all aspects of fixed wiring
installations.
Further applications can be found in panel building,
testing of motors, generators, switchgear and power
tools, street lighting and low volume manufacturing
environments etc.
All the MIT300 range is supplied with a full 3 years
warranty.
SPECIFICATIONS
Insulation ranges
Nominal Test Voltage
MIT310, 320, 330 1000 V, 500 V, 250 V (DC)
MIT300 500 V, 250 V (DC)
Terminal Characteristics
Measuring Range
All instruments 10 kΩ - 999 MΩ on all ranges
Short Circuit Current 1.5 mA nominal
Test Current on Load 1 mA at min. pass values of
insulation (as specified in BS7671,
HD 384 and IEC 364)
Accuracy (at 20 °C)
MIT300, 310, 320, 330 ±3%, ±2 digits up to 10 MΩ, ±5%
up to 100 MΩ, ±30% up to full scale
Continuity ranges
Measuring Range: 0,01 Ω - 99,9 Ω (0 -50 Ω on
analogue scale)
Open Circuit Voltage: 5 V ±1 V
Short Circuit Current
MIT300, 310, 320, 330 205 mA +10 mA –5 mA
Accuracy (at 20 °C)
MIT300, 310, 320,330 ±3% ±2 digits
Measuring range 0 - 2/20/200/2 kΩ
Open circuit voltage 1.5 V +/-0.5 V
Zero Offset Adjust:
MIT300, 310,320, 330 0 - 9 Ω
Continuity Buzzer
MIT300, 310 Operates at <5 Ω
MIT320, 330 Adjustable 1 Ω to 20 Ω
MIT300, 310, 320, 330 Response time <20 ms
MIT300 SERIES BENEFITS: MIT300 MIT310 MIT320 MIT330
Insulation testing
250 V
nnnn
500 V
nnnn
1000 V
nnn
Test range 999 MΩ 999 MΩ 999 MΩ 999 MΩ
Insulation limit alarm (0.01 MΩ to 999 MΩ)
n n
Continuity testing
Continuity to 100 Ω
nnnn
Continuity buzzer
nnnn
Lead null to 9ohms
nnnn
Adjustable buzzer 1 to 20 Ω
n n
Audible buzzer disable
n n
Voltage measurement
Volts AC/DC 600 V 600 V 600 V
Resistance measurement
10 Ω to 1 MΩ range
n n
Features
Voltage warning
n
Default voltmeter
nnn
Backlit display
n n
Backlight selector ranges
n n
Locking test button
nnnn
Auto powerdown
nnnn
Switched test probe
n n
IP54 weatherproof
nnnn
Accepts rechargeable batteries
nnnn
1000 Test result storage
n
Downloading
n
Calibration certificate
nnnn
3 years warranty
nnnn
MIT300 Series
Insulation and Continuity Testers
www.megger.com 3
Produktspecifikationer
| Varumärke: | Megger |
| Kategori: | mätning |
| Modell: | Serie MIT300 |
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