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Corrosion-resistant JK80 Series Pressure Sensor with RS485 Communication - China Suppliers & Factory Quality
Application Industry
Pipeline pressure monitoring
Air leak testing
F.R.L (Filter, Regulator, Lubricator)
Gas storage cylinders
Adsorption verification
Air compressors
Product Parameters
| Parameter Category | Specific Parameter | Specification |
| Withstand Pressure | High pressure | 3.0MPa (high pressure) |
| Positive pressure | 1.5MPa (positive pressure) | |
| Compound pressure | 500kPa (compound pressure) | |
| Rated Pressure Range | High pressure | 0.000～1.999MPa (high pressure) |
| Positive pressure | -0.100～1.000MPa (positive pressure) | |
| Compound pressure | -100～100kPa (compound pressure) | |
| Protection Grade | - | IP65 |
| Set Pressure Range | High pressure | -0.103～1.999MPa (high pressure) |
| Positive and negative pressure | -0.103～1.030MPa (positive and negative pressure) | |
| Compound pressure | -103.0～103.0KPa (positive pressure) | |
| Display Refresh Rate | - | 5 times/second |
| RS485 Communication Distance | - | Maximum connection distance ≤1200m |
| Ambient Temperature | - | 0～50℃ |
| Color | - | Red |
| Load Current | - | ≤200mA |
| Humidity | Action and storage | 35～85% (no water condensation) |
| Internal Pressure Drop | - | ≤1.0V |
| Wire Specification | - | Oil-resistant PVC cable (0.15mm²) |
| Current Consumption | No load | ≤40mA |
| Repeatability Accuracy | - | ±0.3%F.S ±1digit |
| Linearity | - | ±1%F.S |
| Action Indication | - | OUT1 |
| Weight | Approximately 148g | |
| Applicable Gas | - | Non-corrosive fluid for SUS316 and FKM |
| Minimum Unit Scale Value | Positive pressure type kPa | kPa(0.001), kgf/cm²(0.01), bar(0.01), psi(0.1) |
| Micro and positive-negative pressure type kPa | kPa(0.1), mmHg(1), kgf/cm²(0.001), bar(0.001), psi(0.01), inHg(0.1) | |
| Vibration Resistance | Amplitude, frequency, time | Amplitude 1.5mm, 10Hz～55Hz～10Hz per minute, 2 hours for each of X, Y, Z directions |
| Storage Temperature | Storage | -10℃～60℃ (without water condensation and freezing) |
| Temperature Characteristic | - | ±3%F.S, reference temperature 25℃ (0～50℃ temperature range) |
| Baud Rate | - | 9600bps, 19200bps, 38400bps, 57600bps, 115200bps |
| Insulation Resistance | Between lead and plastic shell | ≥50MΩ (DC 500V) |
| Output Voltage | Rated voltage | 0.6V～5V ±2.5%F.S (rated voltage) |
| Display Accuracy | - | ±1%F.S ±1digit (temperature 25±3℃) |
| Withstand Voltage | Between lead and plastic shell | AC 1000V for 1 minute |
| Impact Resistance | - | 100m/s²(10G), 3 times for each of X, Y, Z directions |
| Output Type | - | Open collector output (NPN or PNP, up to 2 outputs) |
| Interface Diameter | - | RC1/8" VCR1/4" R1/4" 1/4" |
| Response Time | - | ≤2.5ms (can be set to 25, 100, 250, 500, 1000, 1500ms) |
Design Aesthetics
Frequently Asked Questions (FAQ)
Q
What is the maximum withstand pressure of this pressure sensor?
The sensor supports up to 3.0MPa for high pressure, 1.5MPa for positive pressure, and 500kPa for compound pressure. These ratings ensure reliable performance across a wide range of industrial applications including pipeline monitoring and gas storage systems.
Q
What protection grade does this pressure sensor carry?
This sensor is rated IP65, meaning it is fully dust-tight and protected against low-pressure water jets from any direction. This makes it suitable for use in demanding industrial environments such as air compressors and air leak testing setups.
Q
What communication interface does the sensor support, and what is the maximum communication distance?
The sensor supports RS485 communication with a maximum connection distance of up to 1200 meters. It supports multiple baud rates including 9600bps, 19200bps, 38400bps, 57600bps, and 115200bps, offering flexible integration into industrial automation systems.
Q
What types of gases or fluids is this sensor compatible with?
The sensor is designed for use with non-corrosive fluids compatible with SUS316 stainless steel and FKM (Viton) materials. It is widely used in applications such as F.R.L systems (Filter, Regulator, Lubricator), adsorption verification, and pipeline pressure monitoring.
Q
What is the display refresh rate and response time of this sensor?
The display refreshes at 5 times per second, providing near real-time pressure readings. The response time is ≤2.5ms by default, and can be configured to 25, 100, 250, 500, 1000, or 1500ms depending on the application requirements.
Q
What is the operating and storage temperature range for this sensor?
The sensor operates within an ambient temperature range of 0℃ to 50℃, with a storage temperature range of -10℃ to 60℃ (without water condensation or freezing). The humidity tolerance is 35～85% with no water condensation, ensuring stable performance across various environmental conditions.