Temperature Sensor
These temperature sensors are designed for aviation-grade applications, providing accurate measurement of fuel, oil, coolant, air, and other media within airborne systems. Supporting multiple output formats—including resistance, voltage, and current—they offer high precision, wide measurement range, fast response, and built-in redundancy. Their compact, integrated, and mature design architecture ensures reliable performance in demanding aerospace environments.
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| Type Number | DW8900B | DW8899 | DW8957 | DW8958 |
| Description |
Oil temperature monitoring Resistance output Screw mounting Completely enclosed construction |
Oil temperature monitoring Resistance output Screw mounting Completely enclosed construction Sling connection Miniaturization and lightweight |
Hydraulic oil temperature monitoring Resistance output Screw mounting Completely enclosed construction |
Hydraulic oil temperature monitoring Current output (4~20mA) Flange mounting Completely enclosed construction |
| Output Type | Resistance Signal | Resistance Signal | Resistance Signal | 4~200 mA |
| Graduation | Pt100 | Pt100 | Pt1000 | NA |
| Measurement Range | -55 ~ 300 ℃ | -60 ~ 150 ℃ | -55 ~ 200 ℃ | -55 ~ 150 ℃ |
| Accuracy |
-55℃~0℃: ±(0.30+3×10⁻³|t|) 0℃~300℃: ±(0.30+2.5×10⁻³|t|) |
≥±0.5℃ | ±(0.30+5×10⁻³|t|) | ±1℃ |
| Working Current | ≤ 5 mA | ≤ 5 mA | ≤ 1 mA | 4~20 mA |
| Working Pressure | ≥ 2.5 MPa | ≥ 10 MPa | ≥ 5 MPa | ≥ 5 MPa |
| Weight | 84 g | 19 g | 66 g | 232 g |
| Dimension | 101.5×20 mm | 36×14.5 mm | 87.5×26.2×26.2 mm | 80×79.6×39 mm |
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| Type Number | DW8831 | DW8821 | DW8979 | DW8974 |
| Description |
Engine intake temperature monitoring Resistance output Flange mounting Completely enclosed construction |
Oil temperature monitoring Voltage output Flange mounting Open architecture |
Gas turbine outlet temperature monitoring Voltage output Flange mounting Completely enclosed construction Sling connection High operating temperature |
Surface temperature measurement Carrier table mount Voltage output Completely enclosed construction Miniaturization and lightweight |
| Output Type | Resistance Signal | Voltage Signal | Voltage Signal | Voltage Signal |
| Graduation | Pt100 | Thermocouple (K) | Thermocouple (K) | Thermocouple (K) |
| Measurement Range | -55 ~ 150 ℃ | -60 ~ 700 ℃ | -55 ~ 1150 ℃ | -55 ~ 800 ℃ |
| Accuracy | ±(0.30 + 5×10⁻³|t|) | ±1% |
T<400℃: ±4.4℃ 400℃≤t≤930℃: ±4℃ 930℃≤t≤1150℃: ±7℃ |
-40℃≤t≤333℃: ±2.5℃ 333℃≤t≤1000℃: ±0.75%|t| |
| Working Current | ≤ 4 mA | ≤ 1 mA | NA | ≤ 1 mA |
| Weight | 49 g | 118 g | 90 g | 5 g |
| Dimension | 68.2 × 40 × 28.6 mm | 50 × 46 × 24.1 mm | 122 × 36 × 20 mm | 40.3 × 5 × 5 mm |