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USER GUIDE
Dual Input, 3-Display Thermometer/Datalogger
Model 421509
Accepts J, K, T, E, R, S, & N thermocouples
Internal Memory stores up to 16 data sets,
with 1024 maximum data capacity
Backlit LCD Display
T1 / T2 / T1 – T2 displays
MIN / MAX / AVG Record/Recall
Selectable temperature units (C/F)
Data Hold, Relative Mode, Elapsed Timer
PC
Interface
ESC -
0
ENTER
1
2
3
4
5
6
7
8
9
DISPLAY
¡C/¡F
[Limits]
LOG
READ
TYPE
T1/T2
REL
HOLD
SHIFT
[OFS]
CLR ?
SET[ ]
SAVE
READ
[TIME]
T1-T2
[APO]
MAX/MIN
[INVT]
TYPE
T1/T2
MAIN
SECOND
THIRD
421509
T1
¡F T1-T2
K
APO
¡F T1