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High-Precision JK49 Digital Display Pressure Sensor - Top Choice from China Suppliers and Factory
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 pressure ranges does this pressure sensor support?
The sensor supports three pressure types: micro pressure (-10～10kPa), positive pressure (-0.100～1.000MPa), and compound pressure (-100～100kPa). The withstand pressure for each type is 20kPa, 1.5MPa, and 500kPa respectively, making it suitable for a wide range of industrial applications.
Q
What types of 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 also suitable for air with condensed water, as long as the gas remains non-corrosive and non-flammable.
Q
What communication interfaces and baud rates does this sensor support?
The sensor features RS485 communication with a maximum connection distance of ≤1200m. It supports multiple baud rates including 9600bps, 19200bps, 38400bps, 57600bps, and 115200bps, offering flexible integration into various industrial control systems.
Q
What are the operating and storage temperature ranges for this sensor?
The ambient operating temperature range is 0～50℃. For storage, the sensor can withstand temperatures from -10℃ to 60℃ without water condensation or freezing. The temperature characteristic is ±3%F.S with a reference temperature of 25℃.
Q
What industries and applications is this pressure sensor designed for?
This 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, making it a highly versatile solution for pneumatic and process control environments.
Q
What is the output type and response time of this pressure sensor?
The sensor provides an open collector output supporting both NPN and PNP configurations with up to 1 channel output. 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.