Products Categories

Water-Resistant JK45 Series Digital Display Pressure Sensor

◆ High-definition display with high brightness and no ghosting

◆ Imported chips for enhanced stability

◆ Ultra-thin design for easy installation

◆ Three-color digital LCD smart display for easy identification

◆ Parameter copy function for more convenient operation

◆ Built-in 4 units for clearer display

◆ Picture-in-picture display for more intuitive viewing

◆ Configurable power-saving mode

◆ Key lock to prevent unauthorized operation

◆ Multiple outputs for independent control of multiple devices

◆ Single output current up to 200mA for controlling large loads

◆ Built-in overcurrent and short-circuit protection

◆ Built-in automatic fault diagnosis with fault code alarm

product Information

Application industry

Pipeline pressure monitoring

Air leak testing

F.R.L (Filter, Regulator, Lubricator)

Gas storage cylinders

Adsorption verification

Air compressors

Product Parameters

Wide temperature adaptability: The working temperature range covers 0 to 50℃, capable of handling common temperature changes such as day-night temperature differences in workshops and equipment heat dissipation. No additional temperature control devices are required, making it suitable for most industrial scenarios.

Strong anti-interference ability: Insulation resistance ≥50MΩ. When away from interference sources such as frequency converters, it can stably read pressure data, avoiding reading fluctuations caused by electromagnetic interference and ensuring its use in precision scenarios (such as semiconductor manufacturing).

Protection and durability: IP40 protection rating, effectively preventing dust from entering and reducing component wear and tear; The shock-resistant and vibration-resistant design makes it less likely to malfunction even when installed in vibrating environments such as beside machine tools, reducing maintenance frequency.

Multi-scenario compatibility: Supports vacuum (0 to -101.0kPa), mixed pressure (-100 to 100kPa) and other ranges, suitable for vacuum adsorption, air source monitoring and other scenarios; With flexible installation methods (M5/1/8 thread, quick-change couplings), it can meet the needs of narrow Spaces or different installation requirements.

Safety and Compliance: Complies with CE, UL/CSA, and RoHS certifications. It can be used with confidence in industries with high compliance requirements such as electronics and automobiles, without worrying about compliance risks.

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)
Minimum Unit Scale Value	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)

High quality products “Go Out to Sea”

Was founded in 2014 and specializes in the research, development, production, and sales of pressure and flow sensors. With a global customer base of approximately 100,000, our operations span both domestic and international markets.

We boast robust software and hardware development capabilities, having successfully created over 70 types of sensors. Our products are renowned for their exceptional stability and safety, earning high praise from users. They find extensive applications in automation, robotics, photovoltaics, new energy, adhesive bonding, wastewater and gas detection, and pressure monitoring. As we enter a new era of comprehensive growth, our market share continues to expand. Our core values—quality first, innovation-driven, customer-centric, and sustainable development—guide our commitment to delivering top-notch pressure and flow sensing and control solutions. We believe that superior product quality fosters customer trust and market recognition; continuous innovation propels industry advancement; a customer-focused approach meets client needs and expectations; and sustainable growth is essential for achieving long-term corporate goals. With a dedicated and professional mindset, we strive for excellence and aim to contribute significantly to the industrial automation sector.

frequently asked questions

Core FAQs for Jingkong Water-Resistant JK45 Pressure Sensor

Q1: How should I interpret the "water resistance" claim versus the IP40 rating?

A: These two specifications address different parts of the device. The "water resistance" refers specifically to the internal air-tube path, which is engineered to tolerate minor condensation or light moisture within the pneumatic line without disrupting pressure transmission. Conversely, the IP40 rating applies to the external housing. An IP40 rating signifies protection against solid objects larger than $1\text{mm}$ (such as tools or thick wires), but it offers no protection against liquids. The enclosure is not sealed against splashing, spraying, or immersion.
Q2: What protection-related requirements should be noted during installation?

A: The air tube connector must be tightened and sealed to prevent water vapor from seeping into the interior through the interface; the sensor should be installed in a dry environment without direct water spraying, away from vibration sources such as pumps and motors, and strong electromagnetic fields; route wires away from humid areas, and additional dustproof and sealing treatment can be done for the wiring terminals.
Q3: How to handle sensor abnormalities caused by humid environments?

A: First, cut off the power and move the sensor to a dry environment, wipe the shell and interface with a dry soft cloth, and check if the sealing rubber ring is aging or deformed (replace it in time if damaged); if the interior is damp, place it in a drying oven to dry before powering on for testing; in humid environments, it is recommended to calibrate the zero point once a month to avoid drift affecting accuracy.
Q4: What may cause distorted display or unstable signals of the sensor?

A: In addition to conventional calibration issues, focus on troubleshooting: ① Whether the air tube has abnormal pressure transmission due to water accumulation, drain and clean it in a timely manner; ② Whether dust or foreign objects adhere to the shell or probe, affecting detection; ③ Whether the wiring terminals are oxidized due to humidity, which can be treated by applying anti-rust agent.
Q5: Is this product suitable for outdoor use or high-moisture environments?

A: This product is primarily designed for controlled indoor environments. Direct outdoor installation or exposure to water-rich areas (such as washdown zones) is not recommended. If your application requires use in such conditions, the sensor must be housed in a dedicated waterproof cabinet or protective enclosure. It is critical to prevent moisture from reaching the sensor body and to ensure that all cabling is properly sealed and protected against water ingress.

Make an free consultant

Your Name*

E-mail*

Phone Number

Country

Remarks*

reset

Water-Resistant JK45 Series Digital Display Pressure Sensor

Application industry

Product Parameters

Product Parameters

High quality products “Go Out to Sea”

frequently asked questions

Core FAQs for Jingkong Water-Resistant JK45 Pressure Sensor

Q1: How should I interpret the "water resistance" claim versus the IP40 rating?

Q2: What protection-related requirements should be noted during installation?

Q3: How to handle sensor abnormalities caused by humid environments?

Q4: What may cause distorted display or unstable signals of the sensor?

Q5: Is this product suitable for outdoor use or high-moisture environments?

Make an free consultant

JK80 Series Corrosion-resistant pressure sensor Stable with RS485 Communication

JK92 Series Compact Digital Pressure Sensor Stable and Durable Digital Display

JK50 Series Waterproof Series Pressure sensor Stable with IP65

JK43 Series Digital Display Pressure Sensor Stable and Durable Digital Display with RS485 Communication

Description of Core Features of Jingkong Flow Sensor

JK20 Series Corrosion-resistant pressure sensor Equipment for the Semiconductor Industries