QTB251
Piezoresistive Pressure Sensor
Mechanical Structure Type
Strain Gauge Pressure Transmitter
Analog Type
Normal Wirewound
Metal
G
Four-Wire
Liquid
IP20
RoHS
Customized
6-250MPa
±0.2%F.S,±0.5%F.S
chntek
9.5*5*5
China
9026209000
Product Description
| Items | MIN. | Typ. | MAX. | Units |
| Nonlinearity | ±0.15 | ±0.25 | %FS | |
| Repeatability | ±0.1 | ±0.2 | %FS | |
| Hysteresis | ±0.1 | ±0.2 | %FS | |
| Zero output | ±3 | mV DC | ||
| Full scale output with constant voltage | 1.3~2.2 | mV/V | ||
| Zero temp. drift | ±0.01% | FS/ºC | ||
| Full scale temp. drift | ±0.02% | FS/ºC | ||
| Working temp. range | -40~125 | ºC | ||
| Storage temp. range | -40~125 | ºC | ||
| Long-term stability | ±0.1 | ±0.2 | %FS | |
| Models | QTB251 | QTB351 or QTB352 or SFA351 (without step) | ||
| Measuring range(MPa) | 6MPa~250MPa | 0.5MPa~250MPa | ||
| Measuring medium | Gases, liquids compatible with stainless steel | Gases, liquids compatible with stainless steel | ||
| Pressure type | Gauge pressure, absolute pressure | Gauge pressure, absolute pressure | ||
| Accuracy | ±0.2%F.S,±0.5%F.S ,±1%F.S | ±0.03%F.S,±0.05%F.S,±0.1%F.S,±0.2%F.S,±0.5%F.S,±1%F.S | ||
| Working temp. | -40~+105ºC or by customized | -40~+105ºC or by customized | ||
| Long-term stability | ±0.1%F.S/year,±0.2%F.S/year | ±0.2%F.S/year | ||
| Non-linearity | ±0.1%F.S/year, ±0.15%F.S/year | ±0.1%F.S,±0.15%F.S,±0.2%F.S,±0.3%F.S,±0.4%F.S,±0.5%F.S,±0.6%F.S | ||
| Hysteresis | ±0.1%FS | ±0.1%FS | ||
| Repeatability | 0.1%FS | 0.1%FS | ||
| Sensitivity | 1.5±0.20mV/V,1.7±0.20mV/V | 1.3±0.10mV/V,1.4±0.2mV/V,1.5±0.10mV/V,1.7±0.20mV/V | ||
| Burst pressure | 1000%~2000%F.S (the max is ≤400MPa) | 1000%~4000%F.S (the max is ≤400MPa) | ||
| Allowable overload | 200%~300%F.S or by customized | 200%~300%F.S or by customized | ||
| Zero point temp. drift | ±0.01%F.S/ºC | ±0.01%F.S/ºC | ||
| Full range temp. drift | ±0.03%F.S/ºC | ±0.03%F.S/ºC | ||
| Response time | ≤0.1ms | ≤0.1ms | ||
| High reliability | Resistant to 10 million shocks, can be continuously pressurized | Resistant to 10 million shocks, can be continuously pressurized | ||
| Insulation resistance | ≥1000MΩ/500VAC | ≥1000MΩ/500VAC | ||
| Material | 17-4PH | 17-4PH | ||
| Dimensions | Top Part Diameter | Φ5mm | Top Part Diameter | Φ7mm |
| Outer Ring Diameter | Φ7.5mm | Outer Ring Diameter | Φ9.5mm | |
| Base Diameter | Φ5mm | Base Diameter | Φ7mm | |
| Height | 5mm | Height | 5mm | |
| Weight | 1g | 1g | ||
