RTD Elements
Aircom can supply elements of several different materials,
base resistances, temperature coefficients, accuracies and
configurations for installation into RTD assemblies that
meet customer supplied requirements.
The most common element we use is Platinum with a base
resistance of 100 ohms @ 0°C, accuracy of ± 0.5%
and temperature coefficient of 0.00385 ohms/ohm/°C.
The second most common element is a 392 curve (0.00392
ohms/ohm/°C) element found in most Japanese and a few
American made assemblies. Our most common construction of
these elements is a Platinum wound element enclosed in a
ceramic housing. Process conditions may dictate use of other
types of element construction such as Thin-Film, Glass Bulb,
or Kapton insulated. The following standards dictate the
specifications to which our elements are manufactured to:
.....
For 0.00385 ohms/ohm/°C elements
- International Electromechanical Commission
Standard IEC 751, 1995
- British Standards Institution BS 1904,
1984
- Deutsches Institut fur Normung (Germany)
DIN 43760, 1987
.....
For 0.00392 ohms/ohm/°C elements
- Scientific Apparatus Manufacturers
Association SAMA RC21-4-196
- Japanese Standards Association JIS
C 1604-1989
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