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AM8010 Precision Thermometer User's Guide
6 Sensor Parameters Input/Adjustment
AM8010 supports two types of sensors: IPRT and PRT。
IPPT ： high precision 100 ohm Platinum Resistance
Thermometer or Industrial 100 ohm Platinum Resistance
Thermometer with temperature coefficient of α=0.00385. The
temperature is calculated based on CVD formula. User can
input/adjust following parameters of an IPRT: R0, A, B and C.
PRT ： high
Thermometer or 100 ohm standard Platinum Resistance
Thermometer
(SPRT)
α=0.003925 (W
Ga
based ITS-90 formula. User can input/adjust the following
parameters:
Rtp：the sensor's triple points of water.
a4, b4：low temperature range parameters.
a, b, c：high temperature range parameters ( for some type
of sensors, b and c may equal to 0. Refer to ITS-90 for
details).
After users input/adjust the correct parameters the sensor type is
displayed on the LCD of AM8010 and the parameters are used
in the calculation.
Note: Users need to set the parameters corresponding to the
sensor to get the optimal measurement. These parameters can be
obtained from qualified calibration institutes.
The detailed procedure to set the sensor type and parameters are
as followings:
1. Power off AM8010. Install batteries to AM8010, or
connect AM8010 to a power adapter or a running
computer USB interface. Make sure each battery is with
precision
100
with
temperature
≥1.11807). The temperature is calculated
ohm Platinum
coefficient
Resistance
of
18/33
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