WIKA TF45 带有连接导线的OEM插入式温度计
OEM insertion thermometer with connecting lead
Model TF45
Insertion thermometers with connecting lead,
model TF45
Applications
■ Solar heat, renewable energies
■ Machine building
■ Compressors
■ Refrigeration technology, heating, air condition and ventilation
■ Furnace and equipment construction
Special features
■ Measuring ranges from -50 ... +260 °C
■ Connecting lead made of PVC, silicon, PTFE
■ In 2-, 3- or 4-wire connection
■ With single or dual measuring element
■ Thermowells made of stainless steel
Description
Measuring element, tolerance
WIKA uses the following standard elements in the TF45 series:
Single measuring element
■ NTC, R25 = 2.5 kΩ ±5 %
■ NTC, R25 = 10 kΩ ±5 %
■ Pt100, class B per DIN EN 60751
■ Pt1000, class B per DIN EN 60751
■ Ni1000, DIN 43760
■ KTY10-6
■ KTY11-6
■ KTY81-210
Others on request
Dual measuring element
■ 2 x Pt100, class B per DIN EN 60751
■ 2 x Pt1000, class B per DIN EN 60751
■ 2 x Ni1000, DIN 43760
Others on reques
Platinum elements offer the advantage of meeting international standards (IEC 751 / DIN EN 60751).Nickel elements are also standardised, but not international.
Due to material- and production-specific criteria, an standardisation of semiconductor elements, e.g. NTC's and KTY, is not possible. For this reason their interchange ability is limited.
Further advantages of platinum elements are: better long term stability and better behaviour over temperature cycles,a wider temperature range as well as a high accuracy and linearity.
High accuracy and linearity are also possible with NTC's, but only in a limited temperature range.
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