MIT480/2 Series
Insulation Testers
MIT480/2 Series
Insulation Testers
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Insulation testing up to 500 V and 100 GΩ
range in a handheld instrument
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3-wire connection for A, B and E (Tip, Ring
and Ground) connection (NEW)
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Gated access to 500 V to prevent accidental
damage (NEW)
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Rechargeable options for ac and car charging
(NEW)
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Single range, faster continuity testing from
0.01
W
to 1 M
W
(NEW)
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Differential measurement capability (NEW)
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Stabilized insulation test voltage (NEW)
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600 V Trms AC and DC voltage measurement
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Test result storage & Bluetooth
®
downloading
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CATIV 600V and IP54
DESCRIPTION
The MIT480/2 series insulation and continuity testers replace
the original MIT480 range and are designed specifically for the
Telecommunications and Cable testing markets.
The new units feature a redesigned case, back-stand, and 6 cell
battery compartment with separate fuse access.
All instruments are over-moulded for increased protection and
achieve an IP54 weatherproof rating.
THREE TERMINAL CONNECTION (NEW)
Three terminal measurement permits the connection of all three test
leads for A, B and E (or Tip, Ring and Ground). The measurement
pair is selected from the A-B-E (T-R-G) button on the front panel.
(New). Selection is confirmed in the display. No disconnection of
test leads to measure individual pairs are required.
Alternatively the units can be used as a conventional Two Terminal
instrument.section of this user guide.
THE MIT480/2 RANGE
(FOR TELECOMMUNICATIONS, REFER TO THE
MIT480 DATASHEET)
The range consists of two instruments:
MIT481/2 50 V, 100 V, 250 V, 500 V* + Storage
MIT485/2 50 V, 100 V, 250 V, 500 V* + Storage + Download +
recharge ready
* Gated access – prevents accidental selection
INSULATION RESISTANCE TESTING:
The feedback controlled insulation test voltage is now accurate
to +2% -0% compared to the original +20%, providing a more
accurate test voltage without the risk of over-voltage damage to
circuits.
A variable range allows the exact test voltage to be selected from
10 V up to 500 V.
FEATURES INCLUDE:
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Test voltages
(New)
- 50 V, 100 V, 250 V, and 500 V.
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Variable test voltage
(New)
- Adjustable test voltage from 10 V to 500 V.
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2% test voltage accuracy
- The output test voltage is maintained within the tolerance
or -0% +2% +2 V.
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PASS/FAIL (
✓
/
✖
) indication
(New)
- PASS or FAIL
(
✓
/
✖
)
displayed depending on threshold voltage.
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■
Stabilized test voltage
- The voltage is feedback controlled to ensure it remains within
specification throughout the full test range.
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Test voltage display
(New)
The actual test voltage is displayed on the smaller digital
readout, with the measurement on the larger digital display.
MIT480/2 Series
Insulation Testers
VOLTAGE MEASUREMENT
True RMS voltage measurement to 600 V ac or dc with resolution
from 0.1 mV.
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Digital voltage measurement up to 600 V ac/dc
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Analog arc measurement to 600 V ac/dc
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Automatic display of frequency during voltage measurement.
Input impedance is 10 MΩ to prevent loading the circuit and
reporting low voltages.
(New)
CURRENT MEASUREMENT
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■
ø - 400 mA AC/DC
DISPLAY
The display offers a combination of analog arc and a dual digital
readout:
Analog arc:
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Full display width analog arc.
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Analog arc display shows essential charge and discharge
characteristics not visible on a digital display.
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Single pointer “needle” response is similar to a moving coil meter.
Setup functions allow control of Buzzer limit alarms, Continuity test
currents, kΩ/MΩ/GΩ.
Dual digital display
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Large main digital readout for good visibility of all main
measurement results
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Second digital display for additional data such as:
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Insulation test voltage.
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Insulation leakage current.
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Supply frequency (when measuring volts).
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Differential measurement result display
OTHER FUNCTIONS AND FEATURES
Weatherproof
- Every tester is sealed to IP54, providing a
weatherproof case to reduce the chances of water ingress, including
the battery and fuse compartment.
Tough housing
- Rubber over moulding combines the tough
shock absorbing outer protection with excellent grip, on a strong
modified ABS housing, providing an almost indestructible case.
Batteries
- Battery requirements are 6 AA batteries of either
standard Alkaline or Nickel Metal Hydride (NiMH) rechargeable type,
providing a minimum of 3000 insulation tests at 500 V.
VARIABLE INSULATION VOLTAGE TESTER *
The variable mode provides a unique solution for awkward
insulation voltage measurement applications. The range option
allows an insulation test voltage from 10 V to 500 V in 1 V steps.
* Dependent on model
STORAGE AND DOWNLOADING RESULTS
Revised Bluetooth
®
and pairing procedures have made the
MIT480/2s far easier to pair and download data.* The test results
are downloaded to a CSV file which can then be opened as an
Excel
®
spreadsheet.*
* Dependent on model
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Test range
- Insulation testing up to 100 GΩ * @ 500 V.
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Measurement range displayed
(New)
- The test range is displayed during selection.
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Measurement voltage display
- The measurement voltage is displayed during the test.
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Analog arc
- The display also features an analogue arc to replicate the
response of a moving coil display.
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Timed testing
- Automatically test to a time limit.
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Silicone leads
- High quality flexible silicone test leads are comfortable to use
and prevent measurement errors on GΩ ranges above 5 GΩ.
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Test inhibit
- Prevents testing if voltages in excess of 25, 30, 50, 75 or 100
V (set by the user) are detected when making insulation tests.
Default is 50 V.
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Insulation buzzer
- The buzzer can be set to buzz if the insulation resistance is
above a user adjustable limit, set in the Setup menu.
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Test Lock
- Holds insulation test on continuously.
* Gated access – prevents accidental selection.
Test ranges extend from 10 GΩ to 100 GΩ depending on test
voltage as below:
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50 Volts up to 10 GΩ
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100 Volts up to 20 GΩ
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250 Volts up to 50 GΩ
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500 Volts up to 100 GΩ
CONTINUITY (RESISTANCE) TESTING
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Single resistance range
(New)
- One range fully automatic from 0.01 Ω to 1.0 MΩ.
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200 mA or 20 mA
- Either 200 mA or 20 mA continuity test currents are available.
20 mA test current will considerably increase battery life.
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Lead null
- Lead resistance compensation (NULL) operates up to 10 Ωs of
resistance.
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Buzzer
- ON/OFF selected by simple push button.
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Buzzer limit
- Continuity buzzer limit alarm provides adjustment of the
maximum resistance the continuity buzzer sounds. This is
adjustable from 1 Ω to 200 Ω in 12 steps.
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Differential measurement
(New)
- Allows the difference between two consecutive continuity tests
to be measured
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REN
(New)
- Displays the appropriate REN value for the circuit under test.
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Avaliable on 100 V ins or continuity range