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China JK43 Series Digital Display Pressure Sensor - Stable, Durable, with RS485 Communication, Suppliers & Factory Direct
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 | Micro pressure | 20kPa (micro pressure) |
| Positive pressure | 1.5MPa (positive pressure) | |
| Compound pressure | 500kPa (compound pressure) | |
| Rated Pressure Range | Micro pressure | -10～10kPa (micro pressure) |
| Positive pressure | -0.100～1.000MPa (positive pressure) | |
| Compound pressure | -100～100kPa (compound pressure) | |
| Protection Grade | - | IP40 |
| Set Pressure Range | Micro pressure | -10.3～10.3kPa (micro pressure) |
| Positive and negative pressure | -0.103～1.030MPa (positive and negative pressure) | |
| Compound pressure | -103～103kPa (compound pressure) | |
| Display Refresh Rate | - | 5 times/second |
| RS485 Communication Distance | - | Maximum connection distance ≤1200m |
| Ambient Temperature | - | 0～50℃ |
| Color | - | 3 colors (white, red, orange) |
| 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 | - | Orange OUT1 |
| Weight | Without cable | Approximately 28g |
| Applicable Gas | - | Air, non-corrosive, non-flammable (general type); Air with condensed water, non-corrosive, non-flammable (water-resistant type) |
| 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 1 channel output) |
| Interface Diameter | - | R1/8"*M5, NPT1/8", G1/8(BSPP)*M5 |
| Response Time | - | ≤2.5ms (can be set to 25, 100, 250, 500, 1000, 1500ms) |
Design Aesthetics
Frequently Asked Questions
Q
What pressure types does this pressure sensor support?
The sensor supports three pressure types: micro pressure (up to 20kPa withstand), positive pressure (up to 1.5MPa withstand), and compound pressure (up to 500kPa withstand), covering a wide range of industrial applications.
Q
What is the operating temperature range of this pressure sensor?
The ambient operating temperature range is 0～50℃. For storage, it can withstand temperatures from -10℃ to 60℃ without water condensation or freezing, ensuring reliable performance across various environments.
Q
Does this sensor support RS485 communication, and what is the maximum connection distance?
Yes, this sensor supports RS485 communication with a maximum connection distance of ≤1200m. It supports multiple baud rates including 9600bps, 19200bps, 38400bps, 57600bps, and 115200bps for flexible integration.
Q
What types of gases is this pressure sensor compatible with?
The sensor is compatible with air and non-corrosive, non-flammable gases in its general type. A water-resistant type is also available, suitable for air with condensed water while still being non-corrosive and non-flammable.
Q
What is the display accuracy and response time of this sensor?
The display accuracy is ±1%F.S ±1digit at 25±3℃, with a display refresh rate of 5 times per second. The response time is ≤2.5ms and can be configured to 25, 100, 250, 500, 1000, or 1500ms depending on application requirements.
Q
What are the main application industries for this pressure sensor?
This pressure sensor is widely used in pipeline pressure monitoring, air leak testing, F.R.L systems (Filter, Regulator, Lubricator), gas storage cylinders, adsorption verification, and air compressor systems, making it highly versatile for pneumatic and industrial automation applications.