Manual
Press T1.T2/T1-T2 button to display the 
temperature for T1 input. (Fig.8) Press 
T1.T2/T1-T2 button again to display the 
temperature for T2 input. (Fig.7) 
Press T1.T2/T1-T2 button one more time 
to display the differential temperature 
between the two thermocouples.(Fig.9) 
The display will show T1,T2 or  T1-T2 in 
turns by pressing the same button.
Note:
Model 8801 can only display one 
temperature. Only make sure the 
thermocouple is plugged at the left side 
on the top . No reading but 4 dashes (---
-) (Fig.6) will be appeared until you plug 
in a K type thermocouple.
o
C 
T1-T2
o
C 
T1
o
C 
T1
o
C 
T2
Fig.6
Fig.7
Fig.8 Fig.9
MAX HOLD FUNCTION
Select the desired input, then press the 
MAX HLD button. 
The meter will record and update the 
maximum values. "MAX" "HOLD"
appears on the display.(Fig.10)
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