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Digital Portable Eddy Current Flaw Detector Filter Coating Thickness Testing

Basic Information
Place of Origin: China
Brand Name: TMTeck
Model Number: TMD-302
Minimum Order Quantity: 1
Price: Negotiation
Packaging Details: Carton
Delivery Time: 3-6 work days
Payment Terms: T/T
Supply Ability: 10PCS/Two weeks
Detail Information
Scan: 0.001-9.999s Adjustable Operating Frequency: 100Hz-3MHz(Enhanced Model 100Hz-6MHz )
Operation Interface: Touch Size: 200mm*120mm*100mm
Screen Display: Eddy Current Signal Impedance Diagram Display Weight: 1.5Kg (battery Included)
Display Screen: 5.7" Semi-reflective
High Light:

digital portable eddy current flaw detector


portable eddy current flaw detector


digital eddy current flaw detector

Product Description

TMD-302 Portable Eddy-current Detector with Digital Filter

Technical Parameters


Basic Specification

Operation interface Touch Screen, Shuttle digital Knob panel
Frequency range

100Hz-3MHz(Enhanced model 100Hz-6MHz ).

The Minimum increment is 1% of indicated value.


0-100db. Minimum increment is 0.1db.

Horizontal and Vertical gain can be adjusted individually or together

Sensitivity 200V/Ω adjustable
Digital Rate 10-1500 times/sec
Phase Rotation 0-360°(step 1°)
Scan 0.001-9.999s adjustable. Minimum increment is 0.001s
Low-pass filtering 0-500 Hz. Minimum increment is 1Hz
High-pass filtering 2-499 Hz. Minimum increment is 1Hz
Zero setting Manual forced zeroing, minimum response time<0.1 s
Screen Display Eddy current signal impedance diagram display
Eddy current signal time base scanning curve display
Simulated 3D stereogram display
Screen Retention time: The retention time of impedance trace is optional from 0.1 to 20s, step 0.1s
Scan track retention time is equal to one screen cycle
The eddy current signal track is permanently retained and can be manually cleared
Signal analysis Automatic or manual phase measurement
Probe Driving It is divided into 12 levels, and the peak-to-peak voltage is adjustable from 1V to 12V
Probe Type: Bridge Type, Reflective, Absolute, Differential
Pen Type, Surrounding, Penetrating, saddle type, bolted type,sliding type, various point type, combined type
Optional probe adapter, compatible with domestic and foreign manufacturers of all kinds of probes
Alarm mode: Impedance flat display :1-4 size adjustable right Angle and polar alarm zone.
Scan shows: two high and low adjustable alarm fields
Program Storage:

It can store and invoke 100 units of instrument Settings, including detection parameters, display control, alarm mode and coordinate background. Each program can be named with up to 17 characters.

Without charging, device setting information can still be retained for more than 10 years

Data Storage: It can store and play back 20 units frozen and locked eddy-current signal impedance maps or all eddy-current signal impedance maps within 1 to 60s cycles. Each data can be named with up to 17 characters.
  Real-time date and time display
































































Input/output Interface


Charger Socket External AC charging adapter to charge the battery or provide power




General Specification


Dimension 200mm*120mm*100mm
Weight 1.5Kg (battery included)
Display Works in strong light (5.7" semi-reflective and semi-transparent LCD screen with backlight off )










Power supply


DC Lithium rechargeable battery, built-in intelligent charging protection circuit, fully charged can work for 8 hours without cut-off
AC Outsourced Power supply 100-240VAC, 50/60 Hz


The Difference Between TMTeck Portable Eddy-current Detector


  TMD-301 TMD-302 TMD-306
Wave Filter ×
3D scanning inspection × ×





Digital Portable Eddy Current Flaw Detector Filter Coating Thickness Testing 0



  • Surface inspection of aircraft components such as blade, wheel hub and landing gear
  • Rivet hole or bolt hole inner surface crack detection (fastener disassembly or not can be both easily detected)
  • Detection of inter-layer corrosion in composite materials, such as aircraft multi-layer structures, aluminum skin and fuselage wing joints
  • Detect the thickness changes of metal sheet due to wear and corrosion
  • Measurement of thickness of non-conductive coating on conductors or non-magnetic coating on ferromagnetic substrates
  • Conductivity testing of non-magnetic metals


Electric Power Industry


  • Detection of surface defects of metal components of turbine blades and pin holes
  • C scan (3D waterfall display) Flaw detection of the center hole of the large shaft of the steam turbine
  • Defect detection and thickness measurement of Condenser and other heat exchange tubes (such as brass, copper, titanium alloy, etc.)
  • Boiler tube defect inspection


Petrochemical Industry


  • Nondestructive testing and thickness measurement of Stainless steel tube of Heat exchanger
  • Nondestructive testing of Carbon steel tube of Heat exchanger
  • Nondestructive inspection of inner wall of furnace tube
  • Casing and sucker rod defect detection and material sorting
  • All kinds of metal pipeline, steel structure weld, crack inspection
  • Thickness measurement of Carbon steel container inner surface, stainless steel surfacing layer

Metallurgy and Machinery Industry


  • On-line eddy current inspection of carbon steel, stainless steel, titanium, copper, red copper, silver-copper, copper-coated aluminum and double-layer composite pipe and other metal tubes, rods and wires
  • On-line non-destructive inspection of Valve, bearing, pin, bolt, barrel, barrel and other mechanical parts
TMD-302/TMD-306 packing list
No. Commodity Description Qty
1 Eddy current detector 1
2 Eddy current point-type probe 1
3 Plate block 1
4 12.6V power adapter 1
5 Instrument Pack 1
6 Operation Manual 1
7 QuickStart Manual 1
8 Quality certificate 1
9 Warranty bill 1


















Contact Details

Phone Number : +8613716082163

WhatsApp : +8613911515082