Device structure and Dimensions
a. Operation screen：fixed on operation platform，Dimensions（mm）：690×350×442
b. Freezing tank：Placed in operation platform，Dimensions（mm）：240×240×430
c. Boiling point of water tank：Placed in operation platform，Dimensions（mm）：ø 215×460
d. operation platform：computer operation platform，Dimensions（mm）：1300×800×800（
Device composition
a. electrical measuring instruments and precision grade of measuring system
QJ18aTemperature Double Bridge：Accuracy grade 0.02
AC15a/2 DC-radiation-type galvanometer：The same level of zero 0.5 grade
AC11Optical Amplifier：Symmetry of indicator deflection±10﹪
FC65 Saturation Regulator
YJ44A DC Regulator：potential regulators≤±0.05％
8822 multi-point switch
b. 0℃Temperature source system:
Blender
Freezing tank
AC24 Optical Zoom type galvanometer：drift ＜10div/min
c. 100℃Temperature source system：
Boiling point of water tank
Heating device
Temperature components：WZP-26SMicro-platinum resistance
XMZD Digital Display Instrument：Accuracy grade 0.5
d. Standard equipment：Second-class standard platinum resistance
100℃Temperature source specification
a. temperature error of 100 ℃ source temperature： 100℃ Temperature deviation<= 2℃
b. 100 ℃ source temperature stability：temperature change<=0.04℃ every minute
c. 100 ℃ source temperature field uniformity：the maximum level difference temperature between boiling point tank sockets <= 0.01℃
accuracy grade of complete Electrical Measurement equipment：0.02级
Working condition
a. ambient temperature：12～28℃
b. ensure the accuracy of temperature：18～22℃
c. RH：≤80﹪
d. power voltage：AC 220±1.0﹪V，50Hz
e. no corrosive gas in ambient
f. No vibration and impact devices around
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