Products

Smart Pressure Transmitter

Categories Pressure Transmitters, Smart Industrial Transmitters

Smart Pressure Transmitter

The ADDA-P Series smart pressure transmitter uses diffused silicon, ceramic piezoresistive, or ceramic capacitive sensing technology for pressure and level measurement. An embedded signal processing module provides static pressure and temperature compensation. Available measuring ranges, protection ratings, and output options depend on the selected configuration.

Authoritative Qualification Certifications

We hold ISO quality certification, national high-tech enterprise qualification, China measuring instrument type approval, and explosion-proof and safety certifications to support reliable product quality.

Custom Engineering

Configurable materials, connections, signals, displays, and installation solutions for different process environments.

Product Features

The ADDA-P Series uses diffused silicon, ceramic piezoresistive, or ceramic capacitive sensor technology. The sensor chips are manufactured using advanced processes to provide high accuracy, high overpressure resistance, and stable performance. An embedded signal processing module combines static pressure and temperature compensation to maintain measurement accuracy and long-term stability across a wide range of pressure and temperature conditions.

Stable performance with accuracy up to 0.1%F.S.
Turndown ratio up to 5 : 1.
A high-performance EMC protection circuit module reduces the influence of electromagnetic interference on the output.
High stability: ±0.1% Span/year.

Applications

Pressure and level measurement.

Measuring Medium

Media compatible with the wetted materials.

Performance Specifications

Accuracy	±0.1%, ±0.2%, 0.5% Upper Range Limit, see specifications for details
Range	10kPa~100MPa, see selection table for details
Annual Stability	±0.1% Span/year
Ambient Temperature Influence	see specifications for details
Voltage Influence	When the supply voltage varies within 10.5V/16.5V~36V DC, changes in zero point and span shall not exceed ±0.001%URL/V
Mounting Position Influence	Transmitter installation may cause zero error, this error can be corrected by zero adjustment, with no effect on accuracy
Vibration Influence	Tested according to GB/T18271.3/IEC61298-3 test, < 0.1%
Output Signal	4mA~20mADC+HART Modbus-RTU/RS485
Protection Grade	IP65/IP67/IP68

Range (ADDA-P-1J-K)

Pressure Type	Nominal Range	Minimum Range	Lower Range Limit (LRL)	Upper Range Limit (URL)	Overload
G/N	20kPa	5kPa	-20kPa	20kPa	1.5 times the nominal range
35kPa	10kPa	-35kPa	35kPa	1.5 times the nominal range
80kPa	16kPa	-80kPa	80 kPa	1.5 times the nominal range
150kPa	30kPa	-100kPa	150kPa	1.5 times the nominal range
300kPa	60kPa	-100kPa	300 kPa	1.5 times the nominal range
700kPa	140kPa	-100kPa	700 kPa	1.5 times the nominal range
1.3MPa	260kPa	-0.1MPa	1.3MPa	1.5 times the nominal range
2.5MPa	500kPa	-0.1MPa	2.5MPa	1.5 times the nominal range
4MPa	800kPa	-0.1MPa	4MPa	1.5 times the nominal range
10MPa	2MPa	-0.1MPa	10MPa	1.5 times the nominal range
25MPa	5MPa	-0.1MPa	25MPa	1.5 times the nominal range
40MPa	8MPa	-0.1MPa	40MPa	1.5 times the nominal range
60MPa	12MPa	-0.1MPa	60MPa	1.5 times the nominal range
100MPa	20MPa	-0.1MPa	10MPa	1.5 times the nominal range
A	35kPa	10kPa	0kPa	35kPa	105kPa
80kPa	16kPa	0kPa	80kPa	1.5 times the nominal range
150kPa	30kPa	0kPa	150kPa	1.5 times the nominal range
300kPa	60kPa	0kPa	300kPa	1.5 times the nominal range
700kPa	140kPa	0kPa	700kPa	1.5 times the nominal range
1.3MPa	260kPa	0kPa	1.3MPa	1.5 times the nominal range
2.5MPa	500kPa	0kPa	2.5MPa	1.5 times the nominal range
4MPa	800kPa	0kPa	4MPa	1.5 times the nominal range
10MPa	2MPa	0kPa	10MPa	1.5 times the nominal range
High and low limit setting requirements: lower range value (LRV) and upper range value (URV) must be set within the lower and upper range limits, ｜URV-LRV｜≥ Minimum Range

Range (ADDA-P-1J-B)

Pressure Type	Nominal Range	Minimum Range	Lower Range Limit (LRL)	Upper Range Limit (URL)	Overload
G/N	50kPa	10kPa	0kPa	50kPa	2 times the nominal range
100kPa	20kPa	-100kPa	100kPa	2 times the nominal range
200kPa	40kPa	-100kPa	200kPa	2 times the nominal range
500kPa	100kPa	-100kPa	500kPa	2 times the nominal range
1MPa	200kPa	-0.1MPa	1MPa	1.5 times the nominal range
2MPa	400kPa	-0.1MPa	2MPa	3.5MPa
5MPa	1MPa	-0.1MPa	5MPa	10MPa
10MPa	2MPa	-0.1MPa	10MPa	15MPa
20MPa	4MPa	-0.1MPa	20MPa	30MPa
40MPa	8MPa	-0.1MPa	40MPa	50MPa
60MPa	12MPa	-0.1MPa	60MPa	75MPa
A	100kPa	20kPa	0kPa	100kPa	2 times the nominal range
200kPa	40kPa	0kPa	200kPa	2 times the nominal range
500kPa	100kPa	0kPa	500kPa	2 times the nominal range
1MPa	200kPa	0kPa	1MPa	1.5 times the nominal range
2MPa	400kPa	0kPa	2MPa	3.5MPa
5MPa	1MPa	0kPa	5MPa	10MPa
High and low limit setting requirements: lower range value (LRV) and upper range value (URV) must be set within the lower and upper range limits, ｜URV-LRV｜≥ Minimum Range

Range (ADDA-P-1J-C)

Pressure Type	Nominal Range	Minimum Range	Lower Range Limit (LRL)	Upper Range Limit (URL)	Overload
G/N	10kPa	2kPa	-10kPa	10kPa	400kPa
20kPa	5kPa	-20kPa	20kPa	600kPa
50kPa	10kPa	-50kPa	50kPa	600kPa
100kPa	20kPa	-100kPa	100kPa	1MPa
200kPa	40kPa	-100kPa	200kPa	1.8MPa
400kPa	80kPa	-100kPa	400kPa	2.5MPa
1MPa	200kPa	-100kPa	1MPa	4MPa
2MPa	400kPa	-100kPa	2MPa	4MPa
4MPa	800kPa	-100kPa	4MPa	6MPa
7MPa	1.4 MPa	-100kPa	7MPa	10MPa
A	10kPa	2kPa	0kPa	10kPa	400kPa
20kPa	5kPa	0kPa	20kPa	600kPa
50kPa	10kPa	0kPa	50kPa	600kPa
100kPa	20kPa	0kPa	100kPa	1MPa
200kPa	40kPa	0kPa	200kPa	1.8MPa
400kPa	80kPa	0kPa	400kPa	2.5MPa
1MPa	200kPa	0kPa	1MPa	4MPa
High and low limit setting requirements: lower range value (LRV) and upper range value (URV) must be set within the lower and upper range limits, ｜URV-LRV｜≥ Minimum Range

Accuracy

Linear Output Accuracy	K	TD<=5	±0.2% Span
Based on standards and reference test conditions, including best fit straight line (BFSL), hysteresis, repeatability. Calibration temperature :20 degrees C ±5 degrees C.
±0.1% Span	≥800kPa
B	TD<=5	±0.2% Span	<=100kPa
±0.1% Span	≥200kPa
C	TD<=5	±0.2% Span	<=20kPa
±0.1% Span	≥50kPa
Note: TD (Turn down) means turndown ratio , TD= maximum range / current range

Ambient Temperature Influence

Sensor Type	Influencing Quantity	Range
K/C	± (0.1+0.035TD) % 20 degrees C of Span	≥35kPa
B	± (0.15+0.075TD) % 20 degrees C of Span	<=100kPa
± (0.15+0.055TD) % 20 degrees C of Span	≥200kPa

Environmental Conditions

Hazardous Area	PCEC	Certificate No.: CE20.2148X Ex ia IIC T6 Ga
Item	Condition
Operating Ambient Temperature Range	-40 degrees C ~ 85 degrees C
Storage Ambient Temperature Range	-40 degrees C ~ 100 degrees C
Measured Medium Temperature Range	-20 degrees C ~ 70 degrees C
Operating Ambient Humidity Range	5%RH~100%RH@40 degrees C

Time Specifications

Total damping time constant: equals the sum of the electronic circuit component damping time constant and sensor capsule damping time constant

Overall response time: <= 90ms

Power Supply and Load Conditions

Item	Operating Condition
Power Supply Voltage	HART communication protocol: 16.5V~36V DC
Modbus-RTU/RS485: 12V~36V DC
Load Resistance	0Ω~2119Ω during operation 250Ω~600Ω for HART communication
Transmission Distance	< 1000m
Power Consumption
4mA~20mA	<= 500mW@24V DC, 20.8mA
Modbus-RTU/RS485	<= 240mW@24V DC, 10mA

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Frequently Asked Questions

Find quick answers about product selection, customization, technical parameters, delivery, and support for ADDA industrial measurement instruments.

What information should I provide before selecting an instrument?

Please provide the measured medium, measuring range, process temperature, process pressure, connection type, output signal, power supply, installation environment, and communication method if remote monitoring is required.

Can ADDA customize instruments for specific applications?

Yes. ADDA can provide customized solutions based on measuring range, process connection, wetted material, display type, communication protocol, installation method, and working environment.

Are your instruments suitable for hazardous areas?

Many ADDA instruments are available with explosion-proof or intrinsically safe configurations. Please confirm the site classification and certification requirements before selection.

What industries are your products used in?

Yes. Our team can help recommend a suitable instrument configuration after reviewing your application conditions, including medium, range, connection, output signal, and installation requirements.

Do you provide technical support for product selection?

Lead time depends on product type, quantity, customization requirements, and certification needs. Standard products usually have a shorter delivery time, while customized models may require additional production time.

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Products

Smart Pressure Transmitter