20 U1241A/U1242A User’s and Service Guide
2 Features and Functions
Data Logging (U1242A)
The data logging function stores the data in non- volatile memory. Thereby,
the data remains saved when the meter is turned off. Data logging records
only the value on primary display. Two options of data logging are offered
— Hand (manual) logging and Interval (automatic) logging functions.
Table 2 - 8 Functions available for data logging
• In resistance measurement, the meter reads a non-zero value due to the presence of
test leads resistance. Use the Null function to zero-adjust the effect of test lead
resistance.
• In DC voltage measurement, the thermal effect will influence the accuracy. Short the
test leads and press once the displayed value is stable in order to zero out the
offset.
Function Mode Range
Voltage DC, AC 1000 mV to 1000 V
Current DC, AC, % of mA 1000 μA to 10 A
Hz AC Auto
Harmonic Ratio AC Auto
W Continuity 1000 W to 100 MW
Diode
1.1 V
Switch Counter 10, 100, HAn
Capacitance 1000 nF to 10 mF
Temperature T1, T2, T1 – T2,
Relative
Recording mode MAX, MIN, AVG, MAXMINAVG
HOLD
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