Megger MIT200 Series, User Manual

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CERTIFICATION ISO
Registered to ISO 9001:2000 Cert. no. Q 09290
MIT200_DS_en_V08
www.megger.com
Megger is a registered trademark
3
Terminal characteristics
ORDERING INFORMATION
Description Order Code
250 V/500 V Insulation and continuity tester MIT220-EN
250 V/500 V/1000 V Insulation and continuity tester MIT230-EN
Included accessories
Test lead set and crocodile clips 1002-001
Carry case 5410-419
Optional accessories
Test lead set and crocodile clips 1002-001
Fused test lead set (1 pair) 1002-015
Removable protective holster 5410-346
Carry pouch 6220-773
SPECIFICATIONS
Insulation range
Nominal test voltage:
1000 V, 500 V, 250 V (d.c.)
Measurement range
10 kΩ - 1000 MΩ on all ranges
Terminal voltage on open circuit (d.c.):
-0 % +25 % of rated voltage
Short circuit current:
205 mA +10 mA -5 mA
>18 mA (10 - 100 Ω)
Test current on load:
>1 mA at minimum pass values of insulation as specified in
BS 7671, HD 384, IEC 364 and VDE 0413 part 1
Chart/graphic
Continuity range
Measuring range:
0,01 Ω - 100,0 Ω
(0 -50 Ω on analogue scale)
Open circuit voltage: 5 V ±1 V
Accuracy (at 20° C)
MIT220, 230:
±0,01 Ω to 9,99 Ω ± 3 % ±2 digits
10,0 Ω to 99,9 Ω ± 5 % ±2 digits
Zero offset adjust:
MIT220, 230:
0 to 9,99 Ω
Continuity buzzer
MIT220, 230:
Operates at < 2 Ω
Default voltmeter
MIT220,230:
>25 V a.c. or d.c. is applied display will operate as a voltmeter.
Range:
25 V to 600 V @ 50/60 Hz & d.c.
Accuracy:
25 V to 450 V a.c./d.c. ± 1% ± 1 digit
450 V to 600 V a.c. ± 2% ± 1 digit
Test inhibit
If more than 50 V is detected, testing
will be inhibited.
Auto power down Auto power down operates after
10 minutes if left in standby mode.
Operating temperature
range and humidity
-10 °C to +55 °C
93 % R.H. at +40 °C max.
Storage temperature range
and humidity -25 °C to +65 °C
IP rating IP40
Fuse
500 mA (F) 600 V, 32 x 6 mm
Ceramic HBC 50 kA minimum.
Display shows if fuse is ruptured.
Over-voltage safety
category Meets the requirements of IEC61010-
1 Cat III 600 V phase to earth.
Automatic discharge
After an insulation test the item
under test will be discharged
automatically. Any voltage present
will be indicated on the display so
that the discharge can be monitored.
Power supply Battery 6 x 1,5 V cells IEC LR6 type
(AA alkaline).
Rechargeable NiMH cells may be
used.
Battery condition is constantly shown
on the display as a four section bar-
graph.
Battery life 3000 consecutive tests (5 seconds per
test) on any test using 2 Ah batteries.
Weight
All units: 530 gms ± 5 %
Dimensions All units: 195 x 98 x 40 mm
EMC In accordance with IEC61326-1