Features

Manufactured by Jandel to fit known mountings and systems
* Aluminium alloy upper AND lower guides are both jewelled
* Solid Tungsten Carbide needles offer superior durability
* PTFE Insulation gives minimum leakage
* Loads checked by electronic force gauge
* Spacing and tip radii optically checked for accuracy by interferometer


Specification

Probe Spacing 0.5, 0.635, 1.0, 1.59 mm(20, 25, 40, 62.6 mils)
Tolerance ۪.01 mm
Arrangements
linear or square array
square array not available on compact, miniature cartridge
versions and 0.500mm (20mils) spacing
Needles
Solid tungsten carbide Φ0.40 mm
(Φ0.30mm for spacing less than 1.0mm)
45'included angle, phosphor-bronze connecting ligament.
Other Material 50% osmium alloy tips available.
Radii 0.5 mil to 20 mils (12.5-500µ) (polished above 25µ-1mil)
Planarity Better than 1 mil (0.025).
Loads
1)Catridge
-preset 10g min. to 250g max. per needle (not user adjustable).
2)Cylindrical and Compoact
-user adjustable within three ranges
-Low:10-30g
-Medium:30-60g
-High:60-150g
Leads 4-way cable Teflon insulated (screened on cylindrical)
Leakage 10¹³ohms resistance between needles at 100volts