Sonic 1200M

Sonic 1200M

The Sonic 1200M ultrasonic flaw detector incorporates modular display design for simplicity of operation. It has various innovative design features such as an uncluttered keypad, rotating Smartknob, customer interchangeable displays, and PowerLink technology.

The Sonic 1200M is an advanced lightweight digital ultrasonic flaw detector incorporating our exclusive modular display design for simplicity of operation. It has various innovative design features such as an uncluttered keypad, rotating Smartknob™, customer interchangeable displays, and PowerLink™ technology making it extremely simple and intuitive to operate.
The Sonic 1200M (NSN: 6635-01-530-7826) incorporates all of the advanced features of the Sonic 1200HR+, including high resolution thickness gauging with readings down to 0.0050 inches, Distance Amplitude Correction (DAC), dual flaw gates, data logging of up to 5000 readings, narrow band receiver for enhanced signal to noise ratios, PowerLink™ transducer recognition, VGA output to heads-up display or monitor, and tunable square wave pulser.
Additionally, the Sonic 1200M includes a interface following gate for immersion and bubbler applications, selectable negative spike pulser/tunable square wave pulser for the ultimate in resolution and power, display average, display persist, 4 kHz pulser repetition rate, and new Foreign Object Debris (FOD) and anti-marring case.


  • New Foreign Object Debris (FOD) free and anti-marring case design
  • Lightweight, 3.8 lbs. (1.72 Kg)
  • Selectable Spike/Square Wave Pulser
  • Interface Sync (Sweep and Gate)
  • Rep rate increased to 4 kHz
  • 0.5 & 3.5 MHz Narrow Band Tuned Receiver
  • Display Persist
  • Display Average
  • Customer interchangeable displays:
    • Hi-Brite Electroluminescent
    • Monochrome Liquid Crystal
    • Color Liquid Crystal
  • VGA output for heads-up display or external monitors and projectors
  • Single Li-Ion operation or optional remote battery packaging
  • 10+ hour battery run time
  • PowerLink™ Technology – automatic transducer recognition and instrument set-up
  • 24 hour loaner guarantee

Sonic 1200M Specifications*


Type: Selectable, spike or square wave
Pulse Width: 15 to 1000 ns
Pulse Voltage: Selectable 300/150 volts
Damping: 25, 50, or 200 ohms
Modes: Selectable single (pulse echo), dual, or through transmission


Frequency Band: 0.3 to 20 MHz
Tuning: Selectable 0.5, 1, 2.25, 3.5, 5, 10, 15, Wideband (0.3 – 20 MHz), Highpass (3 – 20 MHz)
Gain Control: 0 to 110 dB
Control: Continuous adjustment in selectable 0.1, 0.2, 0.5, 1.0, 2.0, 6.0, 12 dB
Linear Reject: 0 to 80% full screen
Modes: RF, fullwave, half+, half-, fullwave filtered: 10, 5 and 2.25 MHz


Functions: Dual flaw gates. Gate 1 time of flight, or amplitude detection, flaw alarm. Gate 2 amplitude detection, flaw alarm or time of flight for echo-to-echo mode. Gate 1 selectable IP or IF sync
Indicator: Flashing LEDs and horn
Peak Amplitude: Peak amplitude of gated signal in percent of screen height
RF Gates: Positive logic requires that a signal cycle of either polarity cross a gate level; negative logic requires that no signal cross a gate level.


Time Base
Range: 0.048 to 296 inches (1.23 to 7511 mm) of steel (0.418 to 2560 μs)
Delay: -1.16 to 185 inches (-29 to 4.7 mm) of steel (-10 to 1600 μs)
Velocity: 0.025 to 0.600 in/μs (635 to 15240 m/s) horiz. linearity +/- 1% of full screen
Pulse Rate: Selectable maximum; 50 Hz steps, 50 to 4000 Hz, limited by range and pulser settings
Range: 0.005 inches (0.127 mm) up to the maximum display range setting
Modes: IP – Gate 1, IF to Gate 1, Gate 1 to Gate 2
Trigger Modes: Peak or edge
Trig. Functions: Angle beam calculations, curved surface correction
Angle: 0º – 90º in 0.1º increments display features
Signal: Hollow or filled
Screen Freeze: On command, currently displayed signal is frozen
Waveform Recall: Select and display stored waveform
Peak Hold: Displays peak amplitude with active signals under peak signal
A-scan Storage: Up to 100 A-scan waveforms may be stored for playback or printout
A-scan Security: Read-only selection prevents accidental erasure of A-scans
Update Rate: 60 Hz
Persistence: Adjustable from 0.1 to 10.0 seconds in 0.1 second steps
Display Average: Selectable 2,4,8 and 16 frames


Additional Features

VGA Output
RS-232: DB-9P connectors
Analog Output
PowerLink™: Automatic transducer recognition and application setups. Transducer identification on printouts
Program Storage: Up to 200 test setups (additional 100 setups with A-scan storage)
Clock, Calendar: Time and date information stored and printed with each waveform
Languages: Selectable – English, Spanish, French and German
Software: Windows-based FlawMaster™ general
Dimensions: 9.5″ L x 5.5″ W x 3.5″ D (241 mm x 140 mm x 89 mm)
Weight: 3.8 lbs (1.7 kg)
Display: Customer-Interchangeable QVGA (320 x 240 pixels) monochrome backlit liquid crystal display (LCD), color LCD, or Hi-Brite EL display
Operating Temperature: -4o to 140o F (-20o to 60o C)
Storage Temperature: -40o to 176o F (-40o to 80o C)


DC: One Li-Ion battery, optional external D-Cell battery pack
AC: 90 264 volt, 50-60 Hz mains
Battery Operating Time: 10+ hours
Humidity: Safe operation in exposure to Class 3 temperature/humidity environments (5 to 95%)
Classification: Based on Class 2 specifications from the MIL-PRF-28800F
Altitude: Maximum operating and non-operating altitude – 15,000 ft. (4600 m)
Hazardous Area Operation: Safe operation in explosive atmosphere as defined by Class I, Division 2, Group D, as found in the National Fire Association Code (NFPA 70), Section 500, and tested using MIL-STD-810E, Method 511.3, Procedure 1


Type: Segmented, 25 selected points
Gain: 40 dB, total of gain and DAC limited to 110 dB maximum
Display: Selection of multiple curves showing compensation: single curve at signal level (0 dB), three curves at +6 dB, 0 and -6 dB levels, four curves at +6 dB, 0, -6 dB and -14 dB levels, DAC compensated echoes only, single curve with DAC compensated echoes
Reference Memory: Recall waveform displayed simultaneously with active signal
Data Logging: 5000 readings
Sonic 1200M Ultrasonic Flaw Detectors
English – 0.3 MB