Elcometer 266 - Probe Accessory Selection

11 STATIC ELECTRICITY (continued)
The wearing of rubber gloves and insulating footwear is not necessary,
although in certain unusual circumstances there may be a benefit.
For further guidance on minimising the effect of static, contact
Elcometer or your Elcometer supplier.
www.elcometer.com
en-22
R
12 PROBE ACCESSORY SELECTION
Table 3 below shows the most suitable probe accessory to use
depending on the characteristics of the surface to be tested, e.g.
internal and external pipe surfaces, large surfaces and complex
shapes.
In addition, long reach applications can be carried out using extension
pieces that are suitable for use with all probe types.
All these probe accessories are available from Elcometer or your local
Elcometer supplier, see Section 16 ‘Spares & Accessories’ on page
en-27 for details.
TABLE 3
Type of Surface
Recommended
Probe
Notes
Small area, complex
surface, general
application
Band brush probe
Provides low contact pressure
Large surface areas
Wire brush
probe/Rubber
probe
Available in different widths.
Use rubber probe for light
contact and wire brush probe
for medium contact
Insides of pipes 40mm to
300mm (1.5” to 12")
diameter
Circular brush probe
Includes 250mm (9.8")
extension rod
Outside of pipes, 50mm
to 1000mm (2” to 36")
diameter
Rolling spring probe
Phosphor bronze and stainless
steel springs are available