Medical Sensor Assemblies

Below are some examples of SEMITEC medical sensor solutions.

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No.13 Catheter (223Fμ-5183)

Features: Ultra small temperature sensor with fast response time.

Rated zero-power resistance (R37) B-value (0/50) Operating Temperature range
14.054kΩ±0.5% at 37℃ 3454kΩ±1% -10℃ ~ +70℃

Thermal Time Constant: approx. 0.07 sec. (in water)

No.14 Thermometer / Ear Thermometer (503ET-3H87U)

Features: Small and highly accurate sensor optimized for body temperature measurement.

Rated zero-power resistance (R37) Resistance tolerance / type (R37) B-value (32/41) Operating Temperature range
29.614~30.264kΩ at 37℃ ±0.05% / type 3943K±0.5% -40℃~+100℃


R37Type(A~U)

Type R37(kΩ)
Min/Center/Max
Type R37(kΩ)
Min/Center/Max
A 29.614/29.629/29.644 B 29.645/29.660/29.675
C 29.676/29.691/29.706 D 29.707/29.722/29.737
S 30.172/30.187/30.202 30.203/30.218/30.233
U 30.234/30.249/30.264

Thermal Time Constant: approx. 5 sec.

No.15 Thermometer FT-ZM

Features: Small temperature sensor with fast response time suitable for measuring surface temperatures.

Rated zero-power resistance (R25) B-value (25/85) Operating Temperature range
 50.00kΩ±5% at 25℃  3435K±1%  -10℃~+100℃

Thermal Time Constant: approx. 1.5 sec.

No.16 Thermometer / Ear Thermometer (Thermopile)

Features: Non contact IR temperature sensor.

Output Voltage Thermistor resistance (R25) Thermistor B-value (25/85) Operating Temperature range
 1.00±30mV  100kΩ±3% at 25℃  3435K±0.7%  -20℃~+100℃

Thermal Time Constant: approx. 15 ms
Field of View : ±50 deg.
Transparent wavelength band: Cutoff wavelength = 5µm