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功能特點(diǎn)

PK系列溫度在-200 到 +800°C之間
標(biāo)準(zhǔn)標(biāo)稱值和公差
作為單或雙溫度傳感器
擴(kuò)展溫度測(cè)量范圍
耐高溫抗沖擊
優(yōu)異的溫度波動(dòng)穩(wěn)定性

JUMO介紹：德國(guó)JUMO GmbH & KG公司成立于1948年，位于德國(guó)中部城市Fulda。公司經(jīng)過六十多年的發(fā)展，已經(jīng)成為歐洲著名的儀表制造廠商，公司主要致力于生產(chǎn)高質(zhì)量的傳感器、變送器及控制器，可提供工業(yè)溫度、壓力、濕度、液位、流量、pH值、電導(dǎo)率、氧化還原值的測(cè)量、控制及記錄產(chǎn)品。除了在德國(guó)Fulda的主要工廠外，JUMO在全球范圍內(nèi)擁有二十三家子公司、四十多家代理商及銷售分支結(jié)構(gòu)。JUMO憑借多年的經(jīng)驗(yàn)及優(yōu)秀的品質(zhì)一直為自動(dòng)化測(cè)量及控制工程領(lǐng)域的客戶提供著專業(yè)水準(zhǔn)的產(chǎn)品和服務(wù)。

技術(shù)參數(shù)

Standard	EN 60 751
Temperature coefficient	α = 3.850 x 10-3°C-1 (between 0 and 100°C)
Temperature range	-200 to +600°C
Tolerance	Temperature validity range Class 1/3 DIN B: - 70 to +250°C Temperature validity range Class A: -200 to +600°C Temperature validity range Class B: -200 to +600°C
Measuring current	recommended: 1.0mA
Maximum current	20mA
Operating conditions	Platinum-ceramic temperature sensors may not be used unprotected in humid ambient conditions (condensation) or corrosive atmospheres. Because of their special internal construction, the temperature sensors only have a limited resistance to shock and vibration. However, they exhibit excellent temperature stability and are free from hysteresis. The user may have to carry out some checks before operation.
Connecting wires	The connecting wires are made of a palladium-gold alloy, 0.27mm thick. On the versions H 2 x Pt100, the connecting wires of the first measurement winding are longer (L1 +1mm), to mark the individual winding more clearly. Any unnecessary bending of the connecting wires must be avoided, as this may result in material fatigue and a wire break.
Measurement point	The nominal value specified refers to the standard connecting wire length L1. The measurement is acquired 2mm from the open end of the wire. If the wire length is altered, changes in resistance will occur, which may result in the tolerance class not being met.
Long-term stability	max. R0 drift 0.03%/year (see Data Sheet 90.6000 for definitions)
Insulation resistance	>10MΩ at room temperature
Vibration strength	see EN 60 751, Section 4.4.2
Shock resistance	see EN 60 751, Section 4.4.1
Self-heating	Δt = I 2 x R x E (see Data Sheet 90.6000 for definitions)
Packaging	Blister pack
Storage	In the standard packaging, JUMO temperature sensors, PK/H style, can be stored for at least 12 months under normal ambient conditions. It is not permissible to store the sensors in aggressive atmospheres, corrosive media, or in high humidity.

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