辦公設備（OA)用感測器

Below are some examples of SEMITEC OA sensor solutions.

No.1 Printer / Copier Sensor (NC Sensor)

Parameters	Value	Conditions
Measurement center	180℃±3℃	Blackbody temp.: 180℃; sensor body temp.: 100℃
Measurement center	180℃±3℃	Roller diameter: 40 mm; distance: 5 mm
Responsivity	1.3s±0.5s	Time required to reach 63.2% of temperature difference between blackbody and sensor body.
Operating temp. range	-10℃〜-150℃	―
Measuring temp. range	-20℃〜260℃	―
Thermistor resistance value	7kΩ±3%	Rated zero-power resistance at 180℃
Thermistor B-value	3370K±1%	B-value determined by rated zero-power resistance at 25℃ and 85℃

No.2 Printer / Copier Sensor (Thermopile Module)

Features: A non contact IR sensor module capable of accurate and easy temperature measurement.

Power supply voltage Output voltage Operating Temperature range Temperature measurement range

3.2V～6V 0.2V～2.8V -25℃～100℃ -20℃～250℃

Connector pinout

1	Sensor output VTobj (V)
2	GND
3	Power supply voltage: Vdd
4	Thermistor output: Vtamb (V)

Thermal time constant: approx. 46 ms

No.3 Printer / Copier Sensor (HF-N Sensor)

Features: A sensor capable of non contact measurement with conventional thermistor-based method.

Rated zero-power resistance (R180)	B-value (B25/85)	Operating Temperature range
7kΩ±5% at 180℃	3370K±3%	-20℃～230℃(sensor head)

No.4 Printer / Copier Sensor (FS Sensor)

Features: A low friction type sensor capable of minimizing damage to the fuser roller.

Rated zero-power resistance (R180) B-value (B25/85) Operating Temperature range

7kΩ±5% at 180℃ 3370K±3% -20℃～230℃

Thermal Time Constant: approx. 1.0 sec. (roller)
Breakdown Voltage: AC　600V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.5 printer / Copier Sensor (HF-H Sensor)

Features: A high speed type temperature sensor that can instantly respond to temperature changes of the fuser roller.

Rated zero-power resistance (R180)	B-value (B25/85)	Operating Temperature range
7kΩ±5% at 180℃	3370K±3%	-20℃～230℃

Thermal Time Constant: approx. 1.0 sec. (roller)
Breakdown Voltage: AC 600V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.6 Printer / Copier Sensor (HF-L Sensor)

Features: A space saving type of temperature sensor with lead wires parallel to the fuser roller.

Rated zero-power resistance (R180)	B-value (B25/85)	Operating Temperature range
7kΩ±5% at 180℃	3370K±3%	-20℃～230℃