JK21 Series 3-Screen Display High-Precision Digital Pressure Sensor

Parameter Category

Specific Parameter

Specification

Withstand Pressure

High pressure

3.0MPa (high pressure)

Positive pressure

2.0MPa (positive pressure)

Compound pressure

500kPa (compound pressure)

Rated Pressure Range

High pressure

0.000～2.000MPa (high pressure)

Positive pressure

-0.100～1.000MPa (positive pressure)

Compound pressure

-100～100kPa (compound pressure)

Protection Grade

-

IP65

Set Pressure Range

High pressure

-0.103～2.030MPa (high pressure)

Positive and negative pressure

-0.103～1.030MPa (positive and negative pressure)

Compound pressure

-103.0～103.0KPa (positive 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

-

OUT1

Weight

Approximately108g

Applicable Gas

-

Air, non-corrosive, non-flammable corrosion-resisant

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 2 outputs

Interface Diameter

-

M5 or plus adapter

Response Time

-

≤2.5ms (can be set to 25, 100, 250, 500, 1000, 1500ms)