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The LED Digital Pressure Sensor is a precision instrument designed for accurate monitoring of vacuum pressure in industrial environments. It provides clear visual feedback through an LED display that shows both the set-up pressure and working pressure, enabling operators to quickly verify system conditions during setup and operation. This makes it ideal for applications requiring real-time pressure oversight in vacuum systems such as packaging, material handling, or pneumatic control processes.
The sensor features a diffused semiconductor pressure transducer for reliable pressure detection and is constructed with durable materials suitable for continuous industrial use. The housing includes standard metric female thread (M5x0.8) for secure mounting, and the overall design supports robustness under typical operating conditions. The LED display ensures good visibility even in low-light environments, aiding accurate readings during routine checks or maintenance.
The sensor offers flexible configuration options with two primary output types: a 2-point signal output (switch output) and a 1-point signal output with an analog output. A connector wiring design enables easy integration into existing systems, simplifying cable management and layout in complex machinery setups. Users can select the appropriate output type based on their specific application requirements.
The sensor operates within a pressure range of -100 to 0 kPa, with a pressure setting range from -99 to 0 kPa. It has a factory default setting of -50 kPa (SW1) or -10 kPa (SW2), with the option for one or two pressure settings depending on application needs. The device operates reliably between 0°C and 50°C, with no freezing risk, and within a humidity range of 35% to 85% RH without dew condensation. Response time is approximately 2 milliseconds, ensuring fast reaction to pressure changes.
Available in three sizes—φ4 mm, φ6 mm, and φ8 mm—the sensor can be selected based on available mounting space or system design constraints. The standard metric female thread (M5x0.8) ensures compatibility with a wide range of industrial fittings and housings, allowing for straightforward installation without custom adaptations.
The sensor integrates directly into control systems via its switch output (NPN or PNP open collector, up to 30V and 80mA with residual voltage ≤0.8V) or through an analog output of either 1–5 V DC (with zero-point at 1 ±0.1 V and span at 4 ±0.1 V) or a maximum current output of 1 mA (requiring a minimum load resistance of 5 kΩ). The analog output maintains accuracy within ±0.5% F.S. under standard temperature conditions (Ta=25°C), ensuring consistent performance in stable environments.
| Specification | Details |
|---|---|
| Current consumption | 40mA or less |
| Pressure detection | Diffused semiconductor pressure transducer |
| Operating pressure range | -100 to 0kPa |
| Pressure setting range | -99 to 0kPa |
| Proof pressure | 0.2MPa |
| Operating temperature range | 0 to 50°C (No freezing) |
| Operating humidity range | 35 to 85% RH (No dew condensation) |
| Response | About 2msec |
| Factory default pressure | -50kPa(SW1), -10kPa(SW2) | -50kPa |
| No. of pressure setting | 2 | 1 |
| Switch output | NPN open collector/30V 80mA or less (Residual voltage:0.8V or less)/PNP open collector/30V 80mA or less (Residual voltage:0.8V or less) | NPN open collector/30V 80mA or less (Residual voltage: 0.8V or less)/PNP open collector/30V 80mA or less (Residual voltage: 0.8V or less) |
| Analog output voltage | 1
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