Pirani Vacuum Gauge Sensor, Analog Output

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$670.22

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Model: RDDLZ-CX-PRN10
Weight: 1.00
SKU: RDDLZ-CX-PRN10

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Precision Pirani gauge sensor is designed for measuring vacuum pressure, equipped with a 1.0x10^-1 ~ 1.0x10⁵ Pa (Air, Nitrogen) measurement range, KF16 standard flange and RJ45 electrical plug and analog voltage output, which can be used for analytical instruments, vacuum furnaces, vacuum packaging vacuum coating, and low vacuum pump testing.

Features

Micro Pirani gauge sensor features one-button smart calibration, automatically identifying atmosphere and high vacuum for simplified operation.
Pirani vacuum gauge sensor offers temperature compensation and high precision, monitoring temperature in real-time to ensure precision is not affected by ambient conditions.
RDDLZ Pirani vacuum pressure gauge has a compact and durable design, with stainless steel chambers that save space and ensure long-lasting, stable performance in ultra-high vacuum environments.

Specifications

Model	RDDLZ-CX-PRN10
Measuring Range	1.0x10^-1 ~ 1.0x10⁵ Pa (Air, Nitrogen)
Accuracy	1.0x10^-1 ~ 10⁴ Pa: +/-15%; 1.0x10⁴ ~ 1.0x10⁵ Pa: +/-50%
Repeatability	1.0x10^-1 ~ 1.0x10³ Pa : +/-2%; 1.0x10³ ~ 1.0x10⁵ Pa: +/-5%
Withstand Pressure (Absolute Pressure)	1.0x10⁵ Pa
Response Time	100ms
Filament Baking Temperature	Up to 150℃ (up to 250℃ for Metal Vacuum Flange)
Ambient Temperature (Operating Temperature)	0℃ ~ +45℃
Ambient Temperature (Storage Temperature)	-40℃ ~ +75℃
Ambient Humidity (Operating Humidity)	5... 85%, Non-condensing
Signal Output	(Default) Analog Output +2.286V ~ +10.0V, Minimum Impedance 10Ω
Signal Output	RS485 (Non-isolated), Baud Rate 9600 bps; Connected to Vacuum Controller WGC150 (RS485 output is not included. Please contact us if you need it or other outputs.)
Power Supply	+24VDC (±20%)/1.5A, via RJ45 Network Cable Plug
Maximum Power Consumption	1.5W Max.
Protection Level	IP40, IEC529
Vacuum System Connection	DN 16 ISO-KF (Default); Others (Contact Us)

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Applications

Tips: What is a Pirani sensor?

A Pirani sensor is a type of vacuum gauge used to measure pressure in the medium to low vacuum range, typically from around 1 torr to 10^-4 torr. It operates based on the principle of thermal conductivity.

The core of a Pirani sensor consists of a thin, electrically heated wire or filament, which is placed in the vacuum chamber. As the pressure decreases, the number of gas molecules in the chamber also decreases. This reduction in gas molecules results in less heat being conducted away from the heated filament.

In the presence of a gas, the filament loses heat through conduction and convection to the surrounding gas. The amount of heat lost depends on the pressure and thermal conductivity of the gas. The Pirani sensor measures the temperature of the filament, which is influenced by the pressure of the gas. The temperature of the filament is indirectly proportional to the pressure; as the pressure decreases, the filament's temperature rises due to reduced heat dissipation.

The sensor converts the temperature change into a corresponding electrical signal, usually a voltage output, which can then be calibrated and displayed as a pressure reading. Pirani sensors are valued for their simplicity, reliability, and suitability for a broad range of vacuum applications.

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