Platinum-chip temperature sensors may not be used unprotected in humid ambient conditions or corrosive atmospheres. The user may have to carry out some checks before operation. Please also refer to the Installation Instructions B 90.6121.4 “Notes on the application of platinum-chip temperature sensors."
Connecting wires
The connecting wires are made from sheathed platinum wire, 0.20mm thick, with a nickel core. The maximum tensile strength is 10N/wire. Any tension on the sensor must not be at an angle of more than 30° to the axis of the sensor. Any unnecessary bending must be avoided as this may result in material fatigue and a break of the connecting wires.
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. drift ≤ 0.05%/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 belt
Storage
In the standard packaging, JUMO temperature sensors, PCR 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.