© 2005
WTC3293-14000 BO
ARD
WITH DISPLA
Y
PAGE 2
WTC3293-14400-A Rev E
The display is calibrated for a specifi c 10 kohm thermistor, the TCS610:
where T is in Kelvin; R is in ohms,
A = 1.1279E-3; B=2.3429E-4; C=8.7298E-8
Bias Current is also chosen for this thermistor:
100
µ
A
Fuse: For safety, a 3A fuse is included on the board. Replacement part number is Littelfuse 297 003
(ATO MINI 3A).
Power supply input jack accepts a 2.5mm diameter plug.
ORDERING INFORMATION:
The boards are confi gured for the power supply you intend to use.
+7V or +9V
+12V
Order WEI part number:
WTC3293-14001
WTC3293-14002
[WTC3243 & thermal
solution kit included]
Power Supply:
7V DC supply:
PWRPAK-7V
12VDC supply:
PWRPAK-12V
Order WEI part numbers: 9V DC supply:
PWRPAK-9V
Note: Control temperature range for the 10k
Ω
sensor is 10°C to 50°C.
Quick Reference: CONFIGURATION
1/T = A + B(ln R) + C(ln R)
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