Chauvin Arnoux C.A 6410 Notice De Fonctionnement page 45

Ω Ω Ω Ω Ω function (resistance measurement) for reference conditions
Measurement 0.1
ranges in Ω Ω Ω Ω Ω
to 1.00
0.01 Ω
Resolution
Accuracy ±1.5%
±0.02 Ω
Indication of measurements up to approximately 0.07 Ω , but accuracy is not guaranteed below
(1)
0.1 Ω
Hysteresis
of the display
Switching of
automatic
ranges
Loop voltage
generated (1)
Alarm
(1)
The voltage generated in the loop is "pulsed " in such a way as to save on the battery.
The loop is excited for approximately 60 ms, 4 times a second, i.e. 24% of the time.
"A" function (AC current measurement) for the reference conditions
Measurement range 0 ... 299 mA RMS
Resolution
Accuracy in %
of the reading
Switching of
automatic range
1.0 50.0
(1)
to 50.0 to 100.0
0.1 Ω 0.5 Ω
±1.5% ±2%
±0.1 Ω ±0.5 Ω
± 20 to 30% of the resolution
Switching at 100 Ω for increasing value
and at 91Ω for decreasing value
Approx. 60 mV rms at 2 403 Hz (C.A 6415)
Shape : sinusoidal
(For R loop of 1 Ω to infinity)
- Threshold range: 1 Ω to 199 Ω
- Hysteresis: 3 times the resolution
0.300 ... 2.999 A RMS
1 mA
± 2.5 % ± 2 mA ± 2.5 % ± 2 mA
Switching at 3000 counts for increasing
value and at 270 counts for decreasing value
45
100 200 400
to 200 to 400 to 600
1 Ω 5 Ω 10 Ω
± 3% ± 6% ±10%
± 1 Ω ± 5 Ω ±10 Ω
3.00 ... 29.99 A RMS
1 mA 10 mA
± 2.5 % ± 20 mA
600
to 1200
50 Ω
approx. 25 %
±50 Ω