Waterproof Pressure Sensor For Liquid/Gas, IP68

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$224.28

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Stock: In Stock
Model: RDDLZ-PRES-W31A
Weight: 1.00
SKU: RDDLZ-PRES-W31A

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Measuring Range

Thread of Pressure Connection

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Multi-functional high accuracy waterproof pressure sensors provide excellent solutions for harsh environments and industrial situations where high accuracy is required. With a range of 0.001 to 60MPa and an accuracy of 0.25%FS, they are suitable for a wide range of pressure measurement scenarios. The pressure sensor has built-in temperature compensation and a wide operating temperature range of -40°C to 85°C to ensure accurate readings. Supports standard M20, G1/4 and G1/2 connection interfaces to accommodate different pressure requirements. Extremely durable, supporting 1×10^8 pressure cycle operation to ensure long-term stability and reliability, ideal for industrial control and environmental monitoring.

Specification

Model	RDDLZ-CYZ31A
Measuring Medium	Liquid or gas (compatible with contact material)
Pressure Range	0.001~60MPa (Optional)
Output Power Supply	9~36VDC
Signal Output	4-20mA (2-wire)	RS485 (4-wire)
Pressure Method	Gauge pressure
Response Time	20ms
Protection Class	IP68
Maximum Power	≤0.02Us ((W))	≤0.015Us((W)
Temperature Compensation	-40°C~70°C
Accuracy Class	Range >100kPa: 0.25%FS
	Range <100kPa: 0.5%FS
Range	<10kPa (non-conductor, non-corrosive, non-explosive gas and humidity ≤90%RH, no condensation)
Ambient Temperature	-40°C~85°C
Ambient Humidity	0%~95%RH (no condensation and no dew)
Connection	M20*5; G1/4; G1/2 (optional)
	Note: Range ≥60MPa, thread only M201.5 is available, other specifications need to be customized.*
Diaphragm	316L stainless steel (contact with the measured medium)
Process Connection	304 stainless steel (in contact with the measured medium)
Housings	304 stainless steel
Core Seal	0
Cables	Range ≤1.6MPa*L03 φ7.2mm Polyurethane air-conducting shielded cable (UV protection)
	Range >1.6MPa*L01 φ5mm Polyurethane gas-conducting shielded cable (UV protection)
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
Dielectric Strength	500VAC
Stability	±0.1% FS/year
Temperature Drift	±0.01% FS/°C (within temperature compensation range), ±0.05% FS/°C (outside temperature compensation range)
Durability	1×10^8 cycles (number of cycles from lower range limit to upper range limit)
Net Weight	≈540g (with 4 meter connecting cable)

Features

The pressure sensor adopts diaphragm isolation technology and integrated chip design to ensure high accuracy and fast response, and improve overall stability and shock resistance.
Supports wide voltage power supply, adapts to a variety of application scenarios, convenient installation, and has good waterproof performance.
Interceptor design effectively enhances the anti-interference ability and prevents electromagnetic interference from affecting signal transmission.
Equipped with current limiting, voltage limiting and reverse connection protection functions to ensure safe operation and limit current output.
Excellent lightning protection design provides reliable protection in harsh environments.

Pressure Sensor Dimension Drawing (unit: mm)

Wiring Diagram

Applications

Tips: Waterproof pressure sensor working principle

Pressure sensor is in a single product on the silicon diffusion of a Wheatstone bridge, the measured medium (gas or liquid) pressure to make the bridge wall resistance changes (piezoresistive effect), resulting in a differential voltage signal, the signal by a special amplifier, the range corresponding to the signal is converted into a standard analog signal or digital signal.

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