FLIR DM6x USER MANUAL Document Identifier: DM6x-en-US_AA
27
Auto Voltage DCV (DM64/DM66)
RANGE
Accuracy
1)
600.0V
2.0% + 3d
1)
Not specified at <1VDC
Threshold: > +1.0VDC or < -1.0VDC nominal
Approximate input impedance (//164pF) for reference:
At direct input
50Vdc (typical) from quiescence:
>8M
@ < 8Vdc (Protection clamping threshold)
25k
@ 9Vdc
13k
@ 10Vdc
2.6k
@ 50Vdc
At direct input >>50V (typical) from quiescence:
Initial impedance is approximately 2.1k
. Impedance increases abruptly within a
fraction of a second as display voltage (hard signal) is much higher than 50V (typical).
Actual impedances vs display voltages typically are:
12k
@100V
100k
@300V
240k
@600V
Resistance (Ohms)
RANGE
1)
Accuracy
600.0
, 6.000k
0.3% + 3d
60.00k
, 600.0k
0.5% + 3d
6.000M
2)
, 60.00M
3)
0.9% + 2d
4)
1)
Open Circuit Voltage: 1.6VDC typical
2)
Constant Test Current: 0.2
A Typical
3)
Constant Test Current: 0.02
A Typical
4)
5%+20d @ >30M
Continuity Tester
Continuity Threshold: Between 30
and 480
Continuity ON Response Time: <15ms
Audible Indication: Beeper sound
Visible Indication: LCD Backlight
Capacitance (DM64/DM66)
RANGE
Accuracy
20.00nF, 200.0nF
1.5% + 8d
2000nF, 20.00
F, 200.0
F, 2000
F
1.5% + 2d
10.00mF
4.5% + 10d
Accuracies with film capacitor or better