Atmospheric Pressure Sensor for Air, 70~110KPa

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$162.59

Atmospheric pressure sensors designed for air measurement are suitable for absolute pressure detection in the pressure range of 70 to 110kPa. With an accuracy of ±0.05kPa or ±0.25kPa (at a reference temperature of 25°C), the atmospheric pressure transmitter utilizes an RS485 signal output for fast response and a frequency of up to 5Hz for efficient data transmission.

Pressure Accuracy *

SKU: ATO-PRES-Z27

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Delivery date: 6-12 days

Overview

ATO online shop offers atmospheric pressure sensors that are known for high performance and reliability, featuring a 304 stainless steel housing and neoprene seals to ensure durability in harsh environments. It is IP67 rated for protection against dust and water ingress. The device supports a wide voltage range of 5 to 32VDC and has extremely low power consumption (0.015W maximum), making it ideal for energy-efficient systems.

Specification

Model	ATO-CYZ27
Measuring Medium	Air
Pressure Range	70～110kPa (A)
Temperature Range	-40～60℃
Output Signal	RS485
Pressure Accuracy	±0.05kPa/±0.25kPa (reference temperature 25℃) optional
Pressure Type	Absolute pressure
Temperature Accuracy	±2℃
Turn-on Time	400ms
Supply Voltage	5～32VDC
Maximum Power	≤0.015W (Us=supply voltage)
Response Frequency	5Hz
Stability	±0.1% FS/year
Temperature Compensation	-10 to 70°C
Temperature Drift	±0.01%FS/°C (within temperature compensation range)
Temperature Drift	±0.05% FS/°C (outside temperature compensation range)
Protection Class	IP67
Ambient Temperature	-40~85℃
Housing Material	304 stainless steel (contact with measured medium)
Core Seal	Nitrile rubber (contact with measured medium)
Cable	XL01 φ5 polyurethane shielded cable (contact with measured medium)
Vibration Resistance	10g (20-2000Hz)
Shock Resistance	500g/ms
Short Circuit Protection	Permanent
Reverse Polarity Protection	No damage, but not working
Insulation Resistance	≥100MΩ, 500VDC
Insulation Strength	500VAC
Net Weight	≈110g

Features

Smaller size of the pressure sensor, easy to install and dismantle.
Overall stainless steel shell, good long-term stability.
Intercept frequency design, anti-interference ability.
Current limit, voltage limit, reverse connection protection.
Wide voltage power supply, non-linear correction, high precision.

Pressure Sensor Dimension Drawing (unit: mm)

Atmospheric pressure sensor size

Wiring Diagram

Atmospheric pressure sensor wiring drawing

Note: Circles represent shielded wires, and all marked grounding points must be effectively grounded. Shielded twisted pair signal cable is recommended. In order to avoid ground loops, the shield is grounded at one end, insulated and floating at the transmitter end, and grounded at the control cabinet end.

Applications

Atmospheric pressure sensor application Tips: What is an atmospheric pressure sensor and its main function?

An atmospheric pressure sensor is a device used to measure the air pressure in the surrounding environment, usually displaying the measurement in Pascals (Pa) or millibars (hPa). It is widely used in meteorological observations, altitude measurements, and gas flow control by monitoring changes in air pressure. In addition, many pressure sensors can provide temperature compensation to improve the accuracy and stability of the measurement.

Atmospheric pressure transmitters are usually designed as maintenance-free or low-maintenance devices, but in order to ensure long-term stable operation, the external cleanliness of the sensor should be checked regularly to avoid dust, moisture or corrosive substances affecting the measuring element. If the sensor is exposed to harsh environments, calibration and performance tests should be performed periodically. In addition, care should be taken to avoid pressure shocks outside the sensor's range, which could damage the internal structure.

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