62
U
PGRADING
YOUR
C
OVERMETER
R
25 UPGRADING YOUR COVERMETER
Users of the Elcometer 331 model SH can upgrade their instrument to a model TH.
Upgrading your Covermeter will provide you with the following additional features:
•
Memory of over 240 000 readings in multiple linear and grid batches
•
Grid batches as well as linear batches
•
Date and time stamping of measurements
•
Plot on the display of the Covermeter a ‘map’ of the readings in a batch for quick and easy
identification of potential trouble spots in a survey
Upgrading of your Covermeter must be carried out by Elcometer or your local Elcometer supplier.
For more information or to arrange to have your Covermeter upgraded, contact Elcometer, your
Elcometer supplier or visit www.elcometer.com
26 TECHNICAL DATA
26.1 Performance
am
Standard search head
Range:
40 mm (1.6") bar:
17 mm to 100 mm (0.65" to 4")
8 mm (0.3") bar:
9 mm to 75 mm (0.35" to 3")
Accuracy:
up to 65 mm (2.6") depth:
±2 mm (0.1")
over 70 mm (2.8") depth:
±3%
Pitch resolution:
16 mm (#5) diameter bar at 50 mm (2") depth of cover;
pitch
≥
75 mm (3")
Narrow Pitch search head
Range:
40 mm (1.6") bar:
9 mm to 75 mm (0.35" to 3")
8 mm (0.3") bar:
5 mm to 55 mm (0.2" to 2.2")
Accuracy:
up to 45 mm (1.75") depth:
±1 mm (0.05")
over 50 mm (2") depth:
±2 mm (0.1")
Pitch resolution:
10 mm (#3) diameter bar at 30 mm (1.2") depth of cover;
pitch
≥
55 mm (2.15")
Deep cover search head
Range:
40 mm (1.6") bar:
50 mm to 200 mm (2" to 8")
8 mm (0.3") bar:
25 mm to 150 mm (1" to 6")
Accuracy
an
:
up to 65 mm (2.6") depth:
±2 mm (0.1")
over 70 mm (2.8") depth:
±3%
Pitch resolution:
16 mm (#5) diameter bar at 100 mm (4") depth of cover;
pitch
≥
125 mm (5")
am. All performance figures have been obtained when using Elcometer reference rebars of standard diameter at
room temperature.
an. Accuracy figures for the deep cover search head are obtained once the operating temperature has
stabilised (after 10 minutes continuous use of the search head).
331.book Page 62 Thursday, March 12, 2009 9:46 PM
