8613410535143
High-Precision JK49 Series Digital Display Pressure Sensor from China Suppliers and Factory - Enhanced Stability and Smart Features
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 (FAQ)
Q
What types of pressure can this pressure sensor measure?
This pressure sensor supports three types of pressure measurement: micro pressure (up to 20kPa withstand), positive pressure (up to 1.5MPa withstand), and compound pressure (up to 500kPa withstand). The rated pressure ranges are -10～10kPa for micro pressure, -0.100～1.000MPa for positive pressure, and -100～100kPa for compound pressure.
Q
What is the response time of this pressure sensor?
The default response time is ≤2.5ms. It can also be configured to longer response times including 25ms, 100ms, 250ms, 500ms, 1000ms, and 1500ms depending on the application requirements.
Q
What communication interfaces does this sensor support?
The sensor supports RS485 communication with a maximum connection distance of ≤1200m. It supports multiple baud rates: 9600bps, 19200bps, 38400bps, 57600bps, and 115200bps. The output type is open collector output (NPN or PNP, up to 1 channel output).
Q
What gases is this pressure sensor compatible with?
The sensor is compatible with air, non-corrosive, and non-flammable gases in its general type. The water-resistant type is suitable for air with condensed water that is also non-corrosive and non-flammable. It is not suitable for corrosive or flammable gases.
Q
What are the operating temperature and humidity requirements?
The ambient operating temperature range is 0～50℃, while the storage temperature range is -10℃～60℃ (without water condensation and freezing). The humidity requirement for both operation and storage is 35～85% with no water condensation.
Q
What are the main application industries for this pressure sensor?
This pressure sensor is widely used across multiple industrial applications, including pipeline pressure monitoring, air leak testing, F.R.L (Filter, Regulator, Lubricator) systems, gas storage cylinders, adsorption verification, and air compressor systems. Its compact design and high accuracy make it ideal for pneumatic control environments.