U1241/42B Quick Start Guide
Annunciator Display
No. Descriptions No. Descriptions
1 21-segment analog bar graph
display
12 MINMAX Recording mode
2 Capacitor discharge indicator 13 Harmonic Ratio mode (for
U1242B)
3 Cold junction of ambient
temperature
14 Data logging mode (for
U1242B)
4 Audible continuity for
resistance and diode function
15 Data logging viewing mode (for
U1242B)
5 Primary display 16 Auto or manual data logging
mode and datalog viewing
mode
6 AC or DC measurement mode 17 Secondary display
(temperature display)
7 Auto range 18 Null math function
8 Diode / Audible continuity 19 Thermocouple type for
temperature measurement
9 T1, T2 and T1 – T2 temperature
measurements scan
(for U1242B)
20 Primary measurement units
21 Measurement range
10 Data hold 22 Low battery indicator
11 T1, T2* and T1 – T2*
temperature measurements
23 Auto power off indicator
*T2 temperature measurement and delta (T1 – T2) are only available for U1242B.
1
2
3
4
6
7
8
9
10
11 13
14
15
17
18
19
20
21
22
23
5
12
16