Technicaldata - Elcometer 331 Operating Instructions Manual

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17
TECHNICAL DATA
17.1
Performancer
Standard search
head
Range:
40 mm (1 6")
bar:
17 mm
to
100
mm (0.65"
1o
4")
8 mm
(0-3")
bar: I
mm
to 75 mm (0 35" to
3")
Accuracy:
up
to 65 mm (2 6")
depth:
t2
mm (0
1")
over 70 mm (2 8")
depth:
t3o/o
Pitch
resolution:
16
mm (#5) diameter
bar
at 50 mm
(2")
depth of cover;
pitch
>
7s
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
('l
6")
bar:
50 mm
to 200 mm (2" to
8")
8 mm (0 3")
bar:
25
mm
to
150
mm (1" to
6")
Accuracys:
up
to 65 mm (2.6")
depth:
i2
mm
(0.1")
over 70 mm
(2
8")
depth:
t3o/o
Pitch
resolution:
16
mm (#5) diameter
bar
at
100 mm
(4")
depth of cover;
pitch
> 125 mm
(5")
Half-cell modet
Range:
-999
mvto +999 mV
Accuracy:
15 mV
Half-cell probes
Stability:
10 mV
with 3
liA
load
17.2
Physical
Weight (including Deep head search
head):
1.6
kg (3.5
lb)
r
All performance figures have been obtained when using Elcometer reference rebaG of standard diameter at
room temoerature
s
Accuracy figures
for
the deep
cover search
head are
obtained once
the
operating temperature has
stabilised (after
1
0 minutes conlinuous use of the search head).
t
Half-cell mode is not included on the Elcometer 331 Model B
31