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Megger MIT320 Insulation and Continuity Tester

£580.80
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Megger MIT320 Insulation & Continuity Meter
Insulation ranges
Nominal Test Voltage 1000 V, 500 V, 250 V (d.c.)
Measuring Range
All instruments 10 k½ - 999 M½ 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) ±3%, ±2 digits
Continuity ranges
Measuring Range 0,01 ½ - 99,9 ½ (0 -50 ½ on analogue scale)
Open Circuit Voltage 5 V ±1 V
Short Circuit Current 200 - 215 mA
Terminal Characteristics
 
Accuracy (at 20° C) ±3% ±2 digits
Zero Offset Adjust 0 - 9 ½
Continuity Buzzer Adjustable 1 ½ to 20 ½Response time <20 ms
Resistance range MIT320/330
(can be used for diode testing)
Measuring Range 10 ½ - 1 M½
Open Circuit Voltage 5 V
Short Circuit Current 1.5 mA
Accuracy (at 20° C) ±5% ±2 digits up to 100 k½
Voltage range
Measuring Range 0 - 600 V a.c. (50/60 Hz) or d.c.
Accuracy (at 20° C) d.c. or a.c. (50/60 Hz) ±1%, ±2 digits
Temperature coefficient <0,1% per °C on all ranges.
Default voltmeter
(all modes except off) >25 V a.c. or d.c. is applied display will operate as a voltmeter.
Test inhibit If more than 50 volts is detected, testing will be inhibited.
AutoPower Down 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
Last recorded result may be recalled to the display.
All data can be downloaded to a PC using Download Manager (supplied) or Megger Powersuite Professional of Windows software
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 including amendment No.1
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Description

Megger MIT300 Insulation and Continuity Meter


The MIT300 series has applications in all aspects of domestic, commercial and industrial electrical contracting, building maintenance, testing, inspection 
and servicing. Combining both Insulation testing and continuity testing, each instrument caters for all aspects of fixed wiring installations.
Further applications can be found in panel building, testing of motors, generators, switchgear and power tools, street lighting and low volume 
manufacturing environments etc.

All the MIT300 (except MIT310A) range is supplied with a warranty upgradable free to a full 3 years.


Key Features:

  •   Extremely easy to use
  •   Tough rubber armoured case
  •   Self contained protective cover
  •   Live circuit warning
  •   Weatherproof to IP54
  •   Intelligent Safety System for protection.
 

Megger MIT300 Series Selection Chart


 

Features & Specification

More Information
Key Features AC DC Voltage, Resistance Measurement, Continuity Measurement, Test Probe Included
Product Stock Status Next Day Delivery (subject to availability)
Manufacturer Megger
Short Description
Megger MIT320 Insulation & Continuity Meter
Insulation ranges
Nominal Test Voltage 1000 V, 500 V, 250 V (d.c.)
Measuring Range
All instruments 10 k½ - 999 M½ 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) ±3%, ±2 digits
Continuity ranges
Measuring Range 0,01 ½ - 99,9 ½ (0 -50 ½ on analogue scale)
Open Circuit Voltage 5 V ±1 V
Short Circuit Current 200 - 215 mA
Terminal Characteristics
 
Accuracy (at 20° C) ±3% ±2 digits
Zero Offset Adjust 0 - 9 ½
Continuity Buzzer Adjustable 1 ½ to 20 ½Response time <20 ms
Resistance range MIT320/330
(can be used for diode testing)
Measuring Range 10 ½ - 1 M½
Open Circuit Voltage 5 V
Short Circuit Current 1.5 mA
Accuracy (at 20° C) ±5% ±2 digits up to 100 k½
Voltage range
Measuring Range 0 - 600 V a.c. (50/60 Hz) or d.c.
Accuracy (at 20° C) d.c. or a.c. (50/60 Hz) ±1%, ±2 digits
Temperature coefficient <0,1% per °C on all ranges.
Default voltmeter
(all modes except off) >25 V a.c. or d.c. is applied display will operate as a voltmeter.
Test inhibit If more than 50 volts is detected, testing will be inhibited.
AutoPower Down 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
Last recorded result may be recalled to the display.
All data can be downloaded to a PC using Download Manager (supplied) or Megger Powersuite Professional of Windows software
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 including amendment No.1

Delivery

Updated January 2024

Please note, our cut-off time is 2:00pm

Orders requiring calibration 

Whilst we take the greatest care to get all orders dispatched and delivered to you in the stated time frame, orders received PM and requiring calibration may on occasion miss dispatch that day, according to the complexity of the calibration.
Be assured they will ship on the next dispatch this in most cases should not add more than 24 hours to your delivery.

Bank/Public Holidays

Predicted delivery times are based on regular trading days Monday to Friday. Public holidays, bank holidays and weekends are outside the usual scope
of our dispatch and subject to activities/holidays of our carriers and therefore may incur additional days lead time to your order.

*UK Mainland (Revised March 2021)

Service Price
Standard FREE 2-3 Day Courier Delivery – UK Mainland only - Zones A & B - Order value OVER £75.00 ex VAT FREE
Standard FREE 2-3 Day Courier Delivery – UK Mainland only - Zones A & B - Order value UNDER £75.00 ex VAT £4.95
Next WORKING Day (excludes Saturdays, Sundays and public holidays)  – UK Mainland only - Zones A & B  - ANY order value - Order by 2:00pm £7.75
Saturday ANYTIME Delivery - Order by 2:00pm £9.95
 

 

 

 

 

Delivery Surcharges

Because of the high cost of carriage, we regretfully need to apply a surcharge on all deliveries made in the following regions:

  • Zones A & B  - Mainland delivery rates apply. 
  • Zone C - Scottish Highlands (Charges are calculated at the checkout).
  • Zone D - Outer Hebrides, Orkney Isles, Shetland Isles, Isle of Man, Scilly Isles, and Channel Islands (Charges are calculated at the checkout).
  • Zone E - Northern Ireland (Charges are calculated at the checkout).
  • Zone F - Republic of Ireland (Charges are calculated at the checkout).

Offshore Services

All offshore deliveries are a 3-4 day service as standard. This includes Channel Islands, Northern & Southern Ireland, Scottish Islands, Isle of Man and the Scilly Isles.

International delivery

International delivery charges are automatically added to your order at the checkout. For any questions regarding international deliveries please contact us at sales@isswww.co.uk

Export 

All export inquiries should be directed to the export division before placement of order.

If no shipping option is available to your selected country please call us FREE on 0800 0224 060 to discuss your requirements.
All stated prices are subject to VAT at the current rate where applicable.
E&OA