Insulation ranges Nominal Test Voltage MIT310, 320, 330: 1000 V, 500 V, 250 V (DC) MIT300: 500 V, 250 V (DC)
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
Insulation and Continuity Testers
Resistance range MIT320/330 (can be used for diode testing) Measuring Range: 10 Ω - 1 MΩ Open Circuit Voltage: 5 V Short Circuit Current: 1.5 mA Accuracy (at 20° C): ±5% ±2 digits up to 100 kΩ
Voltage range Measuring Range: 0 - 600 V AC (50/60 Hz) or DC
Accuracy (at 20 °C) MIT310, 320, 330: DC or AC (50/60 Hz): ±1%, ±2 digits Temperature coefficient: <0.1% per °C on all ranges.
Default voltmeter all modes except off MIT310, 320, 330: >25 V AC or DC is applied display will operate as a voltmeter. MIT300: Beeps and flash ‘V’ on the display Test inhibit: If more than 50 volts is detected, testing will be inhibited.
AutoPower Down (MIT310, 320, 330) Auto power down operates after 10 minutes if left in standby mode.
Temperature and humidity Operating Range: -10 °C to +60 °C Operating Humidity: 93% R.H. at +40 °C max. Storage Range: -25 °C to +70 °C
Test Result Storage (1000 results) Job Number: 255 locations Distribution Board no.: 99 locations Circuits: 99 locations Phases: P1, P2, P3
Communications USB interface Environmental Protection: IP54
Fuses Terminals: 500 mA (F) 600 V, 32 x 6 mm Ceramic HBC 10 kA minimum. Display shows if fuse is ruptured.
Safety 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: 8 x 1.5 V cells IEC LR6 type (AA alkaline). Rechargeable NiCd or NiMH cells may be used. Battery condition is constantly shown on the display as a four-section bargraph.
Battery Life 5000 consecutive tests (5 seconds per test) on any test using 2Ah batteries.
Weight All units: 980 gms
Dimensions All units: 203 x 148 x 78 mm (8 x 5.7 x 3.2 inches) E.M.C.: In accordance with IEC61326-1 |