Fluke Biomedical 190M - Manual (Page 128)

190M Series Medical ScopeMeter
Users Manual
118
Meter Measurements for Model 190M-2
The accuracy of all measurements are within
±
(% of reading + number of counts) from 18
°
C to 28
°
C.
Add 0.1 x (specific accuracy) for each ° C below 18 ° C or
above 28
°
C.
Meter Input (Banana Jacks)
Input Coupling .............................................................. DC
Frequency Response ......................... DC to 3 kHz (-3 dB)
Input Impedance ................ 1 M Ω (±1 %)//14 pF (±1.5 pF)
Max. Input Voltage: ............................. 1000 V CAT III
600 V CAT IV
(For detailed specifications, see “Safety”)
Meter Functions
Ranging ........................................................ Auto, Manual
Modes ...................................................... Normal, Relative
General
DC Common Mode Rejection Ratio (CMRR)......... >100 dB
AC Common Mode Rejection at 50, 60, or 400 Hz ....... >60 dB
Ohms (
Ω
)
Ranges .................................. 500.0
Ω
, 5.000 k
Ω
, 50.00 k
Ω
,
500.0 k Ω , 5.000 M Ω , 30.00 M Ω
Full Scale Reading
500
Ω
to 5 M
Ω
............................................... 5000 counts
30 M
Ω
............................................................ 3000 counts
Accuracy .................................................
±
(0.6 % +5 counts)
Measurement Current .................... 0.5 mA to 50 nA,
±
20 %
decreases with increasing ranges
Open Circuit Voltage ..................................................... <4 V
Continuity (CONT)
Beep ............................................................. <50
Ω
(
±
30
Ω
)
Measurement Current .................................. 0.5 mA,
±
20 %
Detection of shorts of .................................................
≥
1 ms
Diode
Maximum Voltage Reading ....................................... 2.8 V
Open Circuit Voltage .................................................. <4 V
Accuracy .................................................
±
(2 % +5 counts)
Measurement Current ............................... 0.5 mA,
±
20 %