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specification of pt thermal sensor
pt热传感器规格书
1.Electrical Characteristics of SA
SA的电子特性
1-1Resistance value(at0℃) :100.00±0.12 ohm
电阻值;在0℃: 100±0.12欧姆
1-2 maximum applied current :1mA
使用电流:1毫安
1-3 insulation resistance :exceed 100M ohm at 500V DC
(@room temp)
绝缘电阻 在500 v直流 时超过100M欧姆(室温情况下)
1-4 thermal response time(90%) :30sec.max.(inair,lm/sec.)
热响应时间(90%):30秒(久)(空气中1米/秒)
1-5 self heating :5mW/℃(in air,1m/sec.)
自热:5米瓦/度(空气中1米/秒)
1-6 operation temperature range :--50℃ to 500℃
使用温度范围:-50度到500度
2 outline Drawings 外形图,轮廓图
please see attached figure请见附图
3 reliability test 可靠性测试
3-1 high temperature test高温试验
keep the pt sensor in 500℃ for 1000 hours
保持pt传感器在1000小时内温度都在500度
3-2 low temperature test低温实验
keep the pt sensor in -50℃ for 1000 hours
保持pt传感器1000小时内温度都在—50度
3-3 humidity test湿度试验
keep the pt sensor in 60℃ and 90 to 95% RH for 1000 hours
保持pt传感器1000小时内温度都在60度,90至95%相对湿度
3-4 thermal shock test热冲击试验
keep the pt sensor in 0℃ ice water for at least 15 sec.,
Then within 10 sec. directly put into 100℃ hot water for at least 15 sec..
保持pt传感器在0度的冰水中至少15秒,然后在10秒内,将其投至100度的热水中至少15秒
the above process should be proceeded for
上述操作应至少进行10遍
after each item test valuation of item 1-1 should be within 0.12% and item 1-3 should exceed 100m ohm at 500vdc
每项测试完成后,估值的项目1-1的公差应该在0 .12%之内,项目1-3 应该超过100欧姆在500伏直流电的情况下。
unless otherwise specified tolerances on除非另有指定公差
angles 角度 hole dia:直径
drawn by:由XX绘图 designed by:由XX设计
checked by:由xx核对 approved by经xx批准
scale:比例 unit:单位
TITLE: Engineering spec .of SA
标题:工程规范的sa
this drawings and specifications are the property of cyntec这个图纸和规格的所有权归乾坤科技股份所有。
(1)Reiationship of temperature with resistance
温度与电阻的关系
When t≧℃ When t℃<0℃
当温度小于0℃时
Rt = Ro(1+At+Bt 2) Rt = RO [1+At+Bt2+C(t-100)t3]
A=3.9083E-03 A = 3.9083E-03
B=-5.7750E-07 B=-5.7750E-07
C=-4.1830E-12
R o =1.000E+02
(2)Temperature deviation 温度偏差
±(a+b ltl)℃
a= 0.300
b= 0.005
(3)specifications are subject to change without notice
规格如有更改,恕不另行通知
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