Tektronix THM500 Series, Instruction Manual

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THM500 Series Specifications
4
Bench Test Instruments and Handheld Oscilloscopes Basic Service
Table 2: DMM specifications (cont.) 565 560 550
General
Additional Readouts MIN: Minimum voltage or resistance
MAX: Maximum voltage or resistance
MAX–MIN: Difference between MAX and MIN
HOLD:
Value of the main reading when the HOLD button is pressed
D HOLD: Difference between HOLD reading and active reading
D D D
DC voltage
Range and Resolution Range Resolution
400 mV 0.1 mV
4 V 1 mV
40 V 10 mV
400 V 100 mV
850 V 1 V
Autorange available; selects from all ranges except 400 mV.
D D D
Accuracy
±
(0.5% of r 5 counts)
D D D
Normal Mode Rejection >60 dB typical at user selectable 50 or 60 Hz
D D D
Common Mode Rejection >100 dB typical at user selectable 50 or 60 Hz
D D D
AC voltage
Range and Resolution (True RMS) Range Resolution
400 mV 0.1 mV
4 V 1 mV
40 V 10 mV
400 V 100 mV
600 V 1 V
Autorange not available on 400.0 mV range
D D D
Accuracy
±
(2% of r 5 counts) for 50 or 60 Hz sine wave. Add 2% of reading plus
5 counts for nonsinusoidal signal with crest factor <3.
D D D
W /resistance
Range and Resolution Range Resolution
400 W 0.1 W
4 k W 1 W
40 k W 10 W
400 k W 100 W
4 M W 1 k W
40 M W 10 k W
Autorange available
D D D
Accuracy
±
(0.5% of r 2 counts). 40 M W range is
±
(2% of r5 counts) at
≤
60% relative humidity.
Derate 4 M W range to
±
(1% of r 2 counts) from 60% to 90% relative
humidity.
D D D