Megger MIT485-EN MIT 485 EN Insulation Resistance CATV Telecom Tester

Megger MIT485 EN Features CATIV 600 Volt rating provides improved safety with high voltage testing  Adjustable insulation testing 50 - 1000 Volts  Capacitance measurements Test results storage Compatibility with Megger downloading software & Bluetooth downloading Dual-digital display of complimentary test data simultaneously 200 GigaOhm measurement range Analog arc & Digital display Choose 20 or 200 milliAmp continuity tests – allows you to select a lower range of continuity which increases battery life  Perform DAR and PI tests automatically – you can quickly perform 2 significant diagnostic tests of (PI) Polarization Index & (DAR) Dielectric Absorption Ratio Continuity auto test capability for real 2 hand operation - pressing the "test" button not required  Continuity limit adjustable alarm allows sending of fail / pass limits to speed up testing Voltage measurements (True RMS) allow accurate measurements for noisy lines Auto-ranging voltage measurements automatically adjusts the range from mV to 600 Volts DC or AC Warning for live circuits automatically alerts of a live circuit contact, voltage displayed & tests are inhibited Automatic fuse warning for fuse failures - manual fuse tests are unnecessary   Buzzer select disables or enables buzzer as needed w/ resistance displayed on-screen

MIT485 EN Specifications
Accuracies quoted are at 20 degrees C
Nominal testing Insulation voltages	MIT400 - 250, 500, & 1000 Volts MIT415 - 50, 100, 250, & 500 Volts MIT410, 420, & 430 - 50, 100, 250, 500, & 1000 Volts MIT480 - 50 & 100 Volts MIT481 & 485 - 50, 100, 250, 500, & 1000 Volts MIT40X - 10 - 100 Volts variable (1 Volt increments)
Resistance range for Insulation	MIT400 - 20 GigaOhms MIT410  -100 GigaOhms MIT415 - 50 GigaOhms MIT420 & 430 - 200 GigaOhms MIT480 - 100 GigaOhms MIT481 & 485 - 200 GigaOhms MIT40X - 20 GigaOhms
Range of Full Scale Accuracies	1000 volts +/-3 percent +/-2 dgts +/-0.2 percent per GOhms 500 volts +/-3 percent +/-2 dgts +/-0.4 percent per GOhms 250 volts +/-3 percent +/-2 dgts +/-0.8 percent per GOhms 100 volts +/-3 percent +/-2 dgts +/-2.0 percent per GOhms 50 volts +/-3 percent +/-2 dgts +/-4.0 percent per GOhms 10 volts +/-3 percent +/-2 dgts +/-2.0 percent per 100 MegaOhms
Analog range	1 GOhms full-scale
Short Circuit (Current)	2 milliAmps +0 percent -50 percent
Terminal V	-0 percent +20 percent +/-1 Volt
Load Test Current	1 milliAmp at minimum pass val. insulation specified per IEC364, HD384 & BS7671, 2 milliAmps maximum
Operating range EN61557	0.10 M 1/2 - 1 GOhms
Leakage Current	10 percent +/-3 dgts
Voltage display	3 percent +/-3 dgts +/-0.5 percent rated voltage
(PI) Polarization Index	10 min/1 minute ratio
(DAR) Dielectric Absorption Ratio	60 sec. / 30 sec. ratio
Notes	1 - Ranges measure from 0 M 1/2 upwards 2 - Above specs. only apply to high-quality silicone test leads being used
Continuity Testing
Measurements	.01 1/2 - 99.9 1/2 (0 - 100 1/2 analog scale)
Accuracy	+/-3 percent +/-2 dgts (0 - 100 Ohms)
Voltage for Open circuit	5 Volts +/-1 Volt
Testing current	200 milliAmps (–0 milliAmps +20 milliAmps) (.01 1/2 to 9.99 Ohms) 20 milliAmps (+/-1 milliAmps ) (10 1/2 - 99.9 Ohms)
0 offset @ probe tips	.10 Ohms typ.
Zeroing for Lead resistance	9.00 Ohms max.
Buzzer	Variable limits of 1, 2, 5,10, & 20 Ohms
Resistances
Measurement	0.01 kOhms to 1000 kOhms (0 - 1 MOhms analog scale)
Accuracy	+/-3 percent +/-2 dgts Open-circuit V - 5 Volts +/-1 Volts Short-circuit current 20 microAmps +/- 5 microAmps
Voltage range	0 - 600 Volts DC +/-2 percent +/-2 dgts 10 milliVolts - 600 Volts TRMS sinusoidal (40 - 400 Hertz) +/-2 percent +/-2 dgts 0 - 1000 Volts Analog scale input level Unspecified 0 to 10 milliVolts (40 - 400 Hertz) For non sinusoidal waveform, additional specifications apply - +/-3 percent +/-2 dgts 101 milliVolts to 600 Volts TRMS & +/-8 percent +/-2 dgts 10 milliVolts - 100 milliVolts TRMS
Voltmeter Default	Operates @ > 25 Volts AC or DC any range but OFF
Freq.  (MIT410 & 480 excluded)	40 to 450 Hertz (40 to 99.9 Hertz) +/-0.5 percent +/-1 digit (100 - 450 Hertz)
Capacitance measurements for the MIT420, 430, 430-TC2, 481 & 485
Range	100 pFarads - 10 µFarads
Accuracy	+/- 5 percent +/- 2 dgts
Distance using capacitance - MIT481 & 485 Arithmetic conversions from capacitance measurements for Default capacitance - 50 nanoFarads / meter
Range	40 - 60 nanoFarads / meter
Result storage (not included on the MIT400, 410, 420, 410-TC2, 480, or 40X)
Capacity	over 1000 testing results
Downloading	wireless Bluetooth for the MIT430, 430-TC2, & 485 only
Bluetooth Class Type	Class-II
Range	10 meters
Power
Supply	5 - 1.5 Volt cells type-IEC LR6(HP7, MN1500, AM3 R6HP, AA) NiMH Alkaline rechargeable batteries can be used Life of battery - 2200 tests (insulation) w/ 5 second duty cycle ON -55 seconds OFF at 1000 Volts into 1 MOhm
Size
Unit	220mm x 92mm x 50mm (8.66 x 3.63 x 1.97 inches)
Unit and case	456mm x 178mm x 89mm (18 x 7 x 3.5 inches)
Weight
Unit only	590 grams (20.73 ounces) 775 grams (27.22 ounces) w/ boot
Unit and case	1.75 kilograms (3.86 pounds)
Fuse	Use 500 milliAmps only (FF) 1000 Volts 32 x 6 millimeter ceramic fuse, HBC high-breaking capacity 50 kiloAmps min. Glass fuse MUST NOT be used
Safety	EN 61010-1 (1995) compliant to 600 Volts phase - earth, Cat IV. Refer to the safety warnings included
EMC	IEC 61326 compliant incl. amendment #1
Temp. effects
Temp. coefficient	< .1 & Omega / deg. C to 1 G & Omega max.
Environmental
Operation range	-10 to 55 deg. C
Humidity	90 percent RH @ 40 deg. C maximum
Storage temp. range	-25 to 70 deg. C
Calibration Temp.	+20 deg. C
Max. altitude	2000 meters
Water & Dust protection	IP54 Protection against dust & splashing water

   Megger MIT485-EN Datasheet
   Megger MIT485-EN Manual
   Megger MIT485-EN Testing Guide