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Johnson & Allen Ltd.    Neocol Works, Smithfield, Sheffield, S3 7AR
Tel: Head Office:   +44 (0) 114 273 8066 | Fax: +44 (0) 114 272 9842
Tel: Scotland Office:   +44 (0) 1506 882371 | Fax: +44 (0) 1506 882371
Email:     sales@johnsonandallen.co.uk

TRI-MAG AND TRI-AD
PORTABLE CRACK DETECTORS

 

Designed for ease of operation, portability and flexability.
These units supply AC and DC outputs for techniques such
as encircling coil, pistol prod and current flow.

Demagnetisation can be achieved with the infintely variable
current supply.

TRI-MAG

Output:  AC 4 Turn 300mm Dia Coil  -  up to 800 amps
4 metre loop cable  -  up to 1300 amps
175mm prod spacing   -  up to 1200 amps
Input: 110/230V Protection Interlock
Ammeter: 0 - 1500 Amps R.M.S.
Control: Infinitely Variable - Foot or Pistol Switch
Size/Weight: 360  x 170 x 260 mm  - 17 kg
Accessories.: 2 Metre Cables + Hand Prods & Hand Grip
+ Pistol Prods with trigger switch +
'G' Clamps - footswitch operated +
4 inch Split Coil - footswitch operated.

TRI-AD

As Tri-Mag except:
Output:  AC & DC 4 Metre Loop Cable up to 1800 amps AC
4 Metre Loop Cable up to 1400 amps DC
175mm prod spacing   -  up to 1500 amps AC
175mm prod spacing   -  up to 1200 amps DC
Input: 110/320V Protection Interlock
Ammeter: 0 - 2000 Amps Peak
Size/Weight: 430  x 190 x 330 mm  - 18 kg