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MI 3309 BT Delta PAT Tester

Metrels MI 3309 Delta PAT Tester is perfect for high volume PAT testing. Built-in memory storage holds 1500 test results. Pre-programmed / custom test sequences, optional barcoding, android keyboard application & RFID systems.

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  • Competitive quote
  • Expert technical advice/demos
  • Trusted aftercare support


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906.98 incl. VAT)
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  • Competitive quote
  • Expert technical advice/demos
  • Trusted aftercare support




Metrel MI 3309 BT Delta PAT Tester

Both battery and mains powered; designed to test the electrical safety of portable electrical equipment, complete with integrated unique PRCD testing technology to prevent tripping out of mains RCD during measurements. 

The dual power capability of the MI 3309 enables the user to perform differential leakage current tests, and the large graphical backlit LCD with two PASS / FAIL LEDs make each measurement clear and simple!

MI 3309 stores up to 1500 test results with parameters within its internal memory - download later for further data handling and test report generation. 

The MI 3309 lightweight design, pre-programmed and custom test sequences, optional barcoding, android keyboard application and RFID systems make it perfect for high volume testing including:

  • Professional PAT safety testing
  • General PAT safety testing
  • After repair PAT safety testing
  • Additional inputs and optional accessories enable testing of fixed installed appliances


Metrel MI 3309 Measuring Functions:

  • Functional and visual inspection
  • Earth bond resistance
  • Insulation resistance
  • Insulation resistance of isolated accessible conductive parts
  • Substitute leakage current
  • Substitute leakage current of isolated accessible conductive parts
  • Differential leakage current test
  • Touch leakage test
  • RCD and portable RCD testing, type (K, S)
  • Power test
  • IEC cord polarity test
  • Leakage and load currents with current clamp
  • TRMS voltage meter
  • Enhanced TRMS test


Metrel MI 3309 Key Features:

  • Pre-programmable VDE compatible auto-sequences
    • Up to 50 custom prepared auto-sequences and barcode auto-tests speed up testing / ensure no tests are missed
  • Dual powered
  • PASS / FAIL indicated with large green / red LEDs, make it clear and simple!
  • Scan and test with optional QR or barcoding system
    • PASS / FAIL QR or barcode label printing make retesting quick and simple
  • Support for advanced RFID identification system
  • RCD testing (test parameters of RCDs and portable RCDs)
  • Store up to 1500 test results and parameters for further downloading to PC
  • Built-in charger and rechargeable batteries
  • Bluetooth enables communication with PC, printers, and android devices.
  • Android Apps enable advanced data management (see Data Sheet Download Section)
    • Use a smart phone camera to scan QRs and barcodes


Metrel MI 3309 Software:

  • PATLink PRO (included) enables downloading, viewing, printing of test results and exporting of data to spreadsheet applications
  • PATLink PRO Plus (optional) enables advanced analysis of test results, upload of pre-programmed custom auto-sequences and creation of professional test reports



What comes with the Metrel MI 3309?

  • MI 3309 Delta PAT PAT Tester
  • IEC cable 2 m (2 pcs)
  • Test lead black (1.5 m)
  • Test lead with crocodile black (1.5 m)
  • Test lead green (1.5 m)
  • Test lead brown (1.5 m)
  • Crocodile clip green
  • Crocodile clip brown
  • Test probe green
  • Test probe brown
  • RS232 cable
  • USB cable
  • Instruction manuals
  • Calibration certificate
  • NiMH rechargeable batteries AA (6 pcs)
  • Small soft carrying bag
  • PC software PATLink PRO


Comparison Chart for: Metrel MI 3309 BT Delta PAT Tester

MI 3360MI 3309MI 3311
Continuity 200 mA
Continuity 10 A
Continuity 25 AMI 3360 25A only
Insulation resistance 250 VDC
Insulation resistance 500 VDC
Differential leakage current
PE Leakage
Touch leakage current
Substitute leakage current
Leakage current measurements with optional clamp
Flash testMI 3360 F only
RCD testingAC / A / BAC / A (RCD t only)
PRCD testing
Extended PRCD testing
Polarity test (IEC lead test)
Active polarity
Functional (load) test
Voltage TRMS
PASS / FAIL evaluation
Mains supply check
Built-in Checkbox (available in UK model only)
Graphical LCD
Touch screan
Graphical on-line help
Real time clock
QWERTY keyboard
Auto testing (organiser, custom autotests)
QR-code shortcut auto testing / Barcode
Communication ports
“Test and tag” (barcode scanner + label printer)
Data download to PC
Project upload from PC
PC Software
Number of memory locationsSD 8GB (up to 32GB)15001500
QR-code custom testingOptionOptionOption
Barcode scannerOptionOptionOption
Barcode label printerOptionOptionOption
QR label printerOptionOptionOption
Basic PC SWOption
Advanced PC SWOptionOptionOption
Android appOptionOptionOption
3PH active adapterOption


Accessory Code Description Price (Ex VAT)
A1006 Soft Carrying Bag £51.94 ADD
A1013 Crocodile Clip Black £7.95 ADD
A1016 Test Probe Red £6.89 ADD
A1062 Test Probe Green £6.89 ADD
A1064 Crocodile Clip Red £7.95 ADD
A1105 Barcode scanner £102.82 ADD
A1153 20 m Test Lead Black £49.82 ADD
A1154 4 m Test Lead Black £26.50 ADD
A1171 USB / RS232 converter £12.72 ADD
A1305 PC SW PAT link PRO with USB and RS232-PS/2 cable £150.52 ADD