Chauvin Arnoux C.A 6456 Manual De Instrucciones página 61

Parameters accessible in the 3P setting :
Initial display
Initial display
Pressing the or
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4.2.5 CHARACTERISTICS
4.2.5.1 MEASUREMENT RANGES AND ACCURACY
: resistance of auxiliary earths < 100 Ω
Particular reference
conditions : resistance of the cable connected to terminal E of the instrument compensated
The instrument automatically selects one of two ,measurement currents according to the sum of Re and
Rh as well as the set voltage limit.
Display range
Specified measurement
domain
Accuracy
Measuring current
Max. acceptable resistance
in the current loop
Display range
Specified measurement
domain
Accuracy
Measuring current
Max. acceptable resistance
in the current loop
Maximum acceptable resistance
in the voltage loop
No-load voltage
Accuracy of rod
resistance measurements
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(1 st press)
R
H
H
z
R
U
E
HE
R
H
S
z
R
U
E
SE
key once more causes a return to the initial display.
≥ 9 kΩ at 50V or R
R + R
H E
Measuring current = 5mA
40Ω
0.50 – 39.99 Ω 40.0 – 399.9 Ω
± 2% ± 5pt
≥ 9 k? at 50 V or R
R + R
H E
Measuring current = 500 µA
400 Ω
0.5 – 399.9 Ω 400 – 3999 Ω
± 2% ± 5pt
Common characteristics
Frequency
61
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nd
(2 press)
R
E ALARM
-------
R
E ALARM
-------
≥ 4.5kΩ at 25V
+ R
H E
400 Ω 4000 Ω
400 – 3999 Ω
± 2% ± 2pt
5 mA
8 kΩ (50 V) or 4 kΩ (25 V)
≥ 4,5 k? at 25 V
+ R
H E
4000 Ω
40.00 kΩ
4.00 – 39.99 kΩ
± 2% ± 2 pt
500 µA
45 k Ω
50 kΩ
128 Hz
25 V or 50 V
5% + 5pt
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(3 nd press)
R
∆E
U
L
R
∆E
U
L