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MIT480 Series
Telecommunications Insulation Tester - Specifications |
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Insulation Ranges (20°C) |
Nominal Test Voltage
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| 50V |
100V |
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for Model |
MIT480 |
| 50V, |
100V, |
250V |
500V, |
1000V |
for Models |
MIT481, MIT485 |
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Insulation Resistance Range
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| 10GΩ |
for Model |
MIT480 |
| 200GΩ |
for Models |
MIT481, MIT485 |
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Full Scale Accuracy
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| ±2% ±2 digits up to
100MΩ on all ranges on all Ranges |
| Then: |
| 50 |
volts |
±3% ±2 digits ±4.0% |
GΩ |
| 100 |
volts |
±3% ±2 digits ±2.0% |
GΩ |
| 250 |
volts |
±3% ±2 digits ±0.8% |
GΩ |
| 500 |
volts |
±3% ±2 digits ±0.4% |
GΩ |
| 1000 |
volts |
±3% ±2 digits ±0.2% |
GΩ |
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Test Current on Load
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1mA at minimum pass values of insulation as specified in
BS 7671, HD 384, IEC 364, 2mA maximum |
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Short Circuit Current |
2mA +0% -50% |
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Terminal Voltage |
-0% +20% ±1V |
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Leakage Current Ranges |
10µA, 2000µA
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Leakage Current Accuracy |
10% ±3 digits |
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Analog Range |
1GΩ full scale |
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Voltage Display Accuracy |
3% ±3 digits ±0.5% of rated voltage |
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Polarization Index (PI) |
10 min/1 minute ratio |
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Dielectric Absorption Ratio (DAR) |
60 sec/30 sec ratio |
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| Note: |
All ranges measure from 0,00MΩ upwards. |
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Above specifications only apply when high quality silicone
leads are being used. |
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Continuity Ranges |
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Measuring Range |
0.01Ω to 99.9Ω (0Ω to 100Ω on analog scale) |
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Accuracy (at 20°C) |
±2% ±2 digits (0Ω to 100Ω) |
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Open Circuit Voltage |
5V ±1V |
Test Current
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| 205mA |
(-0mA +20mA) |
(0.01Ω to 9.99Ω) |
| 20mA |
(±1mA) |
(10.0Ω to 99.9Ω) |
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Zero Offset at Probe Tips |
0.10Ω typical |
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Lead Resistance Zeroing |
Up to 9.99Ω |
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Buzzer |
Variable limit 1Ω, 2Ω, 5Ω, 10Ω, 20Ω |
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Resistance |
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Measuring Range |
0.01kΩ to 1000kΩ (0Ω to 1MΩ on analog scale) |
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Accuracy (at 20°C) |
±3% ±2 digits up to50kΩ then ±2 digits |
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Open Circuit Voltage |
5V ±1V |
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Short Circuit Current |
1.5mA ±0.2mA |
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Capacitance Measurement (Models
MIT481, MIT485) |
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Measuring Range |
100pF to 10µF |
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Accuracy |
±5% ±2 digits |
Distance by Capacitance
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Arithmetic conversion from capacitance measurement on
Default capacitance measurement: 50nF/km |
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Capacitance Range |
40nF/km to 60nF/km |
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Voltage Range |
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DC Volts |
0 to 600V (±2% ±2 digits) |
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AC True RMS |
10mV to 600V sinusoidal (40Hz to 400Hz) (±2% ±2
digits) |
Analog Scale
Unspecified Input Level |
0 to 1000V |
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0 to 10mV (40Hz to 400Hz) |
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For Non-Sinusoidal Waveforms additional Specifications Apply: |
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101mV to 600V True RMS |
±3% ±2 digits |
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10mV to 100mV |
±8% ±2 digits |
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Default Voltmeter |
Operates at > 25V AC or DC on any range except OFF |
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Frequency |
40Hz to 450Hz |
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Accuracy |
±0.5% ±1 digit |
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Storage Result |
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Capacity |
> 1000 test results for Model MIT481, MIT485 |
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Download |
Bluetooth wireless for Model MIT485 |
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Bluetooth Class |
Class II |
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Range |
up to 10 meters |
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Environmental |
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Operating Temperature |
-25°C to +55°C |
Humidity
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95% RH at -0°C to +35°C
70% RH at +35°C to +55°C |
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Storage Temperature |
-30°C to +80°C |
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Calibration Temperature |
+20°C |
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Maximum Altitude |
2000 meters |
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Dust and Water Protection |
IP54 |
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Safety |
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Safety Protection |
Meets IEC 61010-1 to 600V phase to earth. Category IV. Reference to
safety warning supplied |
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EMC |
In accordance with IEC 61326-1 |
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Fuse Protection |
Use only a 500mA (FF) 1000V 32mm x 6mm ceramic high breaking
capacity
HBC 50kA minimum. (GLASS FUSES MUST NOT BE USED) |
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General Specifications |
Power Supply
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5 x 1.5V cells type IEC LR6 (AA, MN1500, HP7, AM3, R6HP) Alkaline
NiMH rechargeable cells may be used |
Battery Life
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2200 insulation tests with duty cycle of 5 seconds ON, 55 seconds
OFF
@ 1000V into 1MΩ |
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Instrument Dimensions |
220mm (L) x 92mm (W) x 50mm (D) |
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Instrument + Case |
456mm (L) x 178mm (W) x 89mm (D) |
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Weight (Instrument only) |
590gms |
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Weight (Instrument + Case) |
1.75kg |
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