Thermometrics ZTP-135L Thermopile Infrared (IR) Sensors consist of thermo-elements, flat infrared filter and a thermistor for temperature compensation, all in a hermetically-sealed TO-46 (18) package. There are also a variety of filters available to help maximize performance in specific applications. Thermopile IR Sensors are used for non-contact, infrared, surface temperature measurement.
Features
- Non-contact measurement
- Wider surface area measurement
- Small-size sensor package
- Included ambient temperature (thermistor) sensor for compensation
- High sensitivity
- Fast response time
- Low cost
Specifications
Thermopile Chip
| Parameter | Limit Min | Limit Typ | Limit Max | Units | Conditions |
|---|---|---|---|---|---|
| Chip Size | 1.8 x 1.8 | mm2 | |||
| Diaphragm Size | 1.4 x 1.4 | mm2 | |||
| Active Area | 0.7 x 0.7 | mm2 | |||
| Internal Resistance | 42 | 60 | 78 | kΩ | 25°C |
| Resistance T.C | 0.12 | %/°C | |||
| Responsivity | 42 | 58 | 78 | V/W | 500K, 1 Hz |
| Responsivity T.C | -0.10 | %/°C | |||
| Noise Voltage | 32 | nV rms | R.M.S., 25°C | ||
| NEP | 0.55 | nW/Hz½ | 500K, 1 Hz | ||
| Detectivity | 1.27 E08 | cmHz½/W | 500K, 1 Hz | ||
| Time Constant | 25 | ms |
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