TKG250: Digital Ultrasonic Thickness Gauge/Datalogger with Color Waveform
Compact rugged meter for non-destructive thickness measurements. The TKG250 is a Digital Ultrasonic Thickness Gauge/Datalogger with Color Waveform function. Extech offers Thickness Gauges designed in compact, handheld, rugged housing ideal for field use. The ultrasonic technology allows for non-destructive thickness measurements for primarily steel structures. Datalogs up to 100K readings and can be exported to Excel® for further analysis. Complete with protective holster, 2oz bottle of coolant, 2 AA batteries, 5MHz Transducer, hard carrying case, USB cable and Exporter software.
Features.
- Wide measurement range:
- 5MHz probe: 0.040″ to 20″ of steel
- 10MHz probe: 0.030″ to 2″ of steel (optional)
- Color LCD display with red, yellow and green visual alarm indication
- 100K internal datalogger with export to Excel
- Echo to Echo option to reduce coating errors
- File compare feature as a real time corrosion monitor
- Live Waveform (A-scan for thickness verification)
- B-scan (visual cross section of test piece)
- Vibrates on alarm
- Multiple transducer options for high temperature and difficult to measure materials
- Complete with protective holster, 2oz bottle of couplant, 2 AA batteries, 5MHz Transducer, hard carrying case, USB cable and XPorter software
- Fast minimum feature to capture minimum thicknesses
| Specifications | Range |
|---|---|
| Steel Thickness Range | 5MHz probe: 0.040 to 20″ (1.0 to 508mm); 10MHz probe: 0.030″ to 2″ (0.76mm to 50.8mm) |
| Material velocity calibration range | 0.200 to 0.7362 in/μS (0.508 to 18.699mm/μS) |
| Languages | English, French, Spanish, Italian, Czech, German, Portuguese, Slovak, Finnish, and Hungarian |
| Hold Mode | Holds display to retain last thickness reading with reverse video display |
| Freeze Mode | Freezes display (ideal for high temperature readings) |
| Fast Min/Max Mode | Displays Min or Max and actual thickness value at 20 measurements/sec |
| Units | Inches/Millimeters/Microseconds |
| Alarms | Audible beeping; illuminae flashing display and keypad; and vibration feedback |
| Illuminating Keypad | F1 = Red, F2 = Yellow, F3 = Green for easy, go/no-go testing |
| Gain – Variable adjustment | In 1dB steps from 20-90dB or Automatic Gain Control (AGC) for waveform |
| B-Scan – Displays a cross section of the test piece | Displays a visual cross section of inspection area with no correlation to distance. B-Scan alarm colors consist of: Red = below minimum/above maximum; Yellow = Caution; and Green = Good. |
| Echo to Echo | Measure the metal thickness only (paint & coatings do not affect base material thickness value) |
| Differential Mode | Displays the difference from the actual thickness measurement and a user entered reference value |
| Velocity Mode | Displays acoustic sound speed to measure thickness of unknown materials |
| Datalogger | Stores 50k readings (expandable to 100k) and 5,000 waveforms; file names up to 20 characters long; and the included Extech XPorter software extracts .csv data files that can be opened for viewing in MS Excel, Notepad, or Wordpad. File compare & grid review |
| Range | Adjustment of manual range control or auto zoom tracking to center echoes independent of selected range |
| Rectification Modes | RF, Half Wave Positive, Half Wave Negative and Full Wave Rectification |
| Live Waveform (A-Scan) | Full adjustments for gain in 1dB step or AGC, main bang blank, blank after first received echo, range including zoom auto tracking to center echoes independent of material and rectification |
| Battery Life | 8 to 14hrs (depends on operating conditions) |
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