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Megger PAT320 PAT Tester

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Megger PAT320 Dual Voltage Pat Tester

This mid-range PAT tester is best suited to those with a larger amount of appliances to test and is an ideal tester for bed and breakfasts, hotels, professional PAT organisations, electrical contractors and maintenance/facilities companies.

With the PAT320, users can take full control over their testing with built-in manual testing modes. For those wanting to speed up testing, the PAT320 also includes a set of automatic procedures which will automatically cycle through appropriate tests depending on what type of appliance is connected.

This demonstation from Megger shows how the PAT320 works!

Megger PAT320 & PAT350 Demo Part 1

The PAT320 is suitable for testing 230V and 110V appliances (both class I and II) and can also test IEC power leads, extension leads and can also test portable RCDs. It can perform earth bond testing, continuity testing, insulation testing, substitute leakage testing and can also perform touch current, operational, extension lead, portable RCD and fuse testing procedures.

This PAT tester even has a full colour graphical display!

Megger PAT320 PAT Tester Key Features

  • Automatic or manual modes - take complete control over your PAT testing
  • 230V and 110V operation - suitable for use on both types of appliance
  • Earth bond test at 25A, 10A and 200mA (IT equipment safe)
  • Full colour display
  • Can test portable RCDs
  • Extension lead and IEC lead testing
  • Differential, touch and substitute leakage testing

What's Included?

  • Megger PAT320 PAT Tester
  • Carrying Case
  • Earth Bond Test Lead
  • Probe and Crocodile Clip
  • IEC Lead
  • Operating Instructions
  • Manual on CD-ROM

Megger PAT320 Bundle Packs

If you're buying a PAT tester, you're going to need labels and other essential accessories. Why not get everything you need for a massively reduced price in one of our exclusive PAT bundle offers?

This table outlines the difference between each of our available PAT320 kits.

  MEGGER PAT320  Standard Tester  Bundle 1  Bundle 2 
Manufacturer Supplied      
Carrying Case
Earth Bond Test Lead
Probe/Croc Clip
IEC Lead
Operating Instructions
Manual on CD-ROM
PASS Exclusive      
Failed Labels - 50 50
Cable Wrap Labels - - -
Passed Labels - 500 500
PAT Testing Logbook -
Microwave Leakage Detector
+ 3 Labels
-
2 x 13A Plugs -
Fuse Pack (10 x 13A, 5 x 5A, 5 x 3A) -
 3 x Adapters (for testing IT/AV equipment)  -
  PAT Testing Training DVD with Online Exam  -
Socket Tester -
SimplyPATS Manual Software - -

Accessories 

There are a number of accessories available for the Megger PAT320 Dual Voltage Manual/ Automatic PAT Tester; please see the table below for further details. For further information please contact our sales team. 

Our SKU Megger's Part Number  Product
1000-766 1000-766 110V Mains Lead Adaptor BS1363 - BS4343
1000-767 1000-767 415V Adaptor Lead (4 Pin) TO BS (16A)
1000-770 1000-770 415V Adaptor Lead (5 Pin) TO BS (16A)
1000-971 1000-971 Pass Test Labels (1000) Green UK
1001-227 1001-227 Fail Test Labels (1000) Red
1001-299 1001-299 PATR210 PAT Report Book
2000-551 1001-232 Plug Adaptor IEC C6-C13 
2000-870 1001-233 Continuity/Bond Lead Set 32A 
1001-234 1001-234 Extension Lead Adaptor 230V UK 13A
MEGPTA8 6220-639 Extension Lead Adapter - 110V 
2001-044 2001-044 PAT Accessory Case
2001-372 2001-372 PAT Testing Guide Book
1004-610 1004-610 Lead USB Type A to Type B 1.8m 
2000-962 1006-225 Carry Case PAT300/400/500
MEGPTA12 1007-165 Flash Test Lead 3.0KV 3.5mA (Red)
Please note that the accessories listed above and the attached datasheets are subject to change. Both were correct at the time of publication. 

Megger PAT320 Technical Specifications

Electrical Supply Range  
230V AC 230V AC ±10%
110V AC 110V AC ±10%
Supply Measurement  
Voltage ±2% ± 1V
Frequency ±1% ± 0.1Hz
Bond Test  
Open Circuit Voltage 9V AC ±10% ±0.1V (Supply: 230V 50Hz)
10A Bond Test Current 10A rms ±20% ±0.5A into 0.1Ω
25A Bond Test Current 25A rms ± 5% ± 0.5A into 0.1Ω
Earth Bond Resistance Accuracy ±5% ± 3 digits (0 to 0.49Ω)
±5% ± 5 digits (0.5 to .99Ω)
Earth Bond Resistance Resolution 10mΩ (0 to 1.99Ω)
Display Range 0 to 1.99Ω
Bond Test Nulling Up to 1.00Ω
Adjustable Test Duration User selectable from 1 sec to 20 sec
Continuity Test  
Note The continuity test is a DC test performed automatically
in both positive and negative directions. The average of
the two results is shown
Continuity Test Voltage 4.0V DC -0% +10% (open circuit)
Continuity Test Current 200mA -0% + 10% ± 5mA (into 2Ω load)
Continuity Resistance Accuracy ±5% ±3 digits (0 to 0.49Ω)
±5% ±5 digits (0.5 to .99Ω)
Continuity Resistance Resolution 10mΩ (1 to 19.99Ω)
Display Range 0 to 19.99Ω
Continuity Test Nulling Up to 9.99Ω
Test Duration User selectable from 1 sec to 20 sec
Insulation Test  
Insulation Test Voltage 250V DC -0%/+25% open circuit
500V DC -0%/+25% open circuit
(500V DC across 0.5MΩ)
Insulation Resistance Accuracy (230V) ±2% ±5 digits (0 to 19.99MΩ)
±5% ± 10 digits (20 to 99.99MΩ)
Insulation Resistance Accuracy (110V) ±5 ±5 digits (0 to 10MΩ)
Insulation Resistance Resolution 0.01MΩ (0.10 to 99.99MΩ)
Display Range 0 to 99.99MΩ
Test Duration User selectable from 1 sec to 1 minutes
Substitute Leakage Test  
Test Voltage 40V AC ±10%
Test Frequency Nominal mains 50/60Hz
Leakage Current Accuracy ±5% ± 5 digits
Leakage Current Resolution 0.01mA
Display Range 0 to 19.99mA
Test Duration User selectable from 1 sec to 1 minute
Reading corrected to 230V + 10% or 110V +10% AC
Differential Leakage Current  
Test Voltage Nominal mains 110V/230V AC
Test Frequency Nominal mains 50/60Hz
Differential Leakage Current Accuracy ±5% ± 5 digits
Differential Leakage Current Resolution 0.01mA
Display Range 0 to 19.99mA
Reading corrected to 230V +10 % or 110V + 10% AC
Touch Current Test  
Test Voltage Nominal mains 1150/230V AC
Test Frequency Nominal mains 50/60Hz
Touch Current Accuracy ±5% ±5 digits
Touch Current Resolution 0.01mA
Display Range 0 to 10mA
Test Duration User selectable from 1 sec to 5 sec
Reading corrected to 230V + 10% or 110V + 10% AC
Operational Test  
Test Voltage Nominal mains 110V/230V AC
Accuracy ±5% ±10 digits (0 to 99VA)
±5% ±50 digits (100 to 999VA)
±5% ±100 digits (1000 to 3700VA)
Resolution 1VA (0 to 3700VA)
Display Range 0 to 3.99KVA
Reading corrected to 230V or 110V AC
Results show load VA
Extension Lead Test  
Polartity Test Voltage 12V
Polarity Leak OK
Live neutral S/C
Live neutral reversed
Live/neutral O/C
Portable RCD Test  
RCD Test Voltage Nominal mains 110/230V
RCD Test Frequency 50Hz
Test Current Accuracy -8% to -2% (1/2 x I)
±2% to +8^ (1 x 1,5 x I)
Trip Time Accuracy ±1% ±5 digits
Trip Time Resolution 0.1ms
Display Range 0 to 1999ms (1/2 x I)
0 to 300ms (1 x I)
0 to 40ms (5 x I)
Fuse Test  
Test Voltage 3.3V
Warning Audible Beep if fuse is ok
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Additional Information
SKU MEGPT7
Manufacturer Part Code 1000-740
Model No PAT320
Country of Origin United Kingdom
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