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High-Quality JK43 Series Digital Display Pressure Sensor from China Suppliers and Factory with RS485 Communication
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?
This pressure sensor supports three pressure types: micro pressure (rated range -10～10kPa, withstand up to 20kPa), positive pressure (rated range -0.100～1.000MPa, withstand up to 1.5MPa), and compound pressure (rated range -100～100kPa, withstand up to 500kPa). This versatility makes it suitable for a wide range of industrial applications.
Q
What types of gas are compatible with this sensor?
The sensor is compatible with air and other non-corrosive, non-flammable gases (general type). A water-resistant type is also available, which supports air with condensed water while still being non-corrosive and non-flammable. It is not suitable for corrosive or flammable gas environments.
Q
What communication interfaces and baud rates does the sensor support?
The sensor features RS485 communication with a maximum connection distance of up to 1200m. It supports multiple baud rates: 9600bps, 19200bps, 38400bps, 57600bps, and 115200bps, offering flexible integration into various industrial communication systems.
Q
What are the operating and storage temperature ranges?
The ambient operating temperature range is 0℃ to 50℃, with a humidity requirement of 35～85% (no water condensation). For storage, the sensor can withstand temperatures from -10℃ to 60℃ without water condensation or freezing, ensuring reliability across a broad range of environmental conditions.
Q
What is the display accuracy and response time of the sensor?
The sensor offers a display accuracy of ±1%F.S ±1digit at 25±3℃ and a repeatability accuracy of ±0.3%F.S ±1digit. The display refreshes 5 times per second. The response time is ≤2.5ms by default, and can be configured to 25, 100, 250, 500, 1000, or 1500ms depending on application requirements.
Q
What industries and applications is this pressure sensor suitable for?
This pressure sensor is designed for a broad range of industrial applications including pipeline pressure monitoring, air leak testing, F.R.L (Filter, Regulator, Lubricator) systems, gas storage cylinders, adsorption verification, and air compressors. Its compact design, multiple output options, and wide pressure range make it ideal for pneumatic and process control environments.