Ultrasonic Flaw Detectors

1. Field operation specials
Models available: FD 301 M, FD 301 MP, FD 401 MP
An ideal instrument for filed operation, it provides precise quantitative evaluations with the simplest of controls that anyone can handle. Both models are powered by rechargeable batteries housed inside the main units. A plug in battery charger permits the battery to be charges without removal from the main unit.

Technical specifications for FD 301 M, FD 301 MP, FD 401 MP

Frequency range	0.5 MHz to 12 MHz
Vertical Linearity	+ 2%
Gain	140 dB
Gain control	80 dB in Steps of 2 dB + 6 dB stepless
Depth range	Upto 5 mtrs in steel
Delay	3 mtrs of steel
Ranges provided	1,5,10,50,100 cms with a multiplying factor of 5
Time base linearity	Better than 1%
PRF	Variable from 1 KHz to 125 Hz interlinked with range
Display	70 x 55 mm
Operating temperature	40C to 60C

2. Vibronics rail tester
Model: FD 301 R
It is used for testing of rails during manufacture and after for fatigue cracks. The unit employs five double probes, two of 70° and 37° forward backward type and one special 70° double probe. Provision is made for a water tank to enable a constant water supply for probe coupling. The whole unit is made to RDSO'S specifications and has its approval.

3. Vibronics plate tester
The flaw detector is mounted on a trolley with universal movement. The trolley is housed with 4 MHz double crystal probe and built-in water tank to ensure continuous couplant for the probe. The equipment is totally battery operated. Additional angular probe and digital attachment are optional.

5. Vibronics accessories
Carrying case
Gives added protection to instruments at all times.

Calibration blocks
The instruments' performance can be checked and adjusted regularly and easily, using standard calibration blocks.

Batteries
Reliable long life cycle rechargeable batteries for use in all portable instruments. Available in 5 hrs or 8hrs chargeable time.

Probe cables
Standard BNC to BNC available ex-stock for length from 2 meters onwards. Special cables like BNC lemo etc. supplied on request.