P1A Pressure Sensor

Pressure Sensors & Switches

P1A family features a highly modular compact geometry. This modularity and extensive range of options offered by the P1A family make the advantages of Ceramic Capacitive technology in low-pressure sensing now available to the broadest spectrum of industrial applications. Besides the multiple standard configurations available, customized adaptations can also be considered.

Kavlico’s P1A Ceramic Capacitive Pressure Sensor incorporates the latest generation sensing elements with state-of-the-art ASICs. Designed to withstand harsh environments, it features superior EMI protection, outstanding shock and vibration performance, impressive longevity and lifetime performance and high quality. It is tested to parameters that match or exceed those of competing products on the market.

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Features

Small Compact Size
Highly Modular Product Configurations
Kavlico Ceramic Capacitive Technology
Outstanding Long Term Stability and Performance
Vacuum to 16 Bar Gage and Absolute
Media Resistant CCAP Technology

Applications

Vacuum Machinery / Plant
Medical and Laboratory Sterilizers / Autoclaves
HVAC Systems
Water Pump Booster Sets
Pneumatic Systems
Waste and Water Management
Industrial OEM Applications

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P1A Datasheet

Specifications

Physical Performance Electrical

Operating Life Cycle	min. 10 million full pressure cycles over the full range
Vibration Resistance	IEC 60068-2-64 (RANDOM) 20 PSD
Shock Resistance	100 g minimum according to DIN EN 60068-2-27
Drop Test	1 meter drop on concrete as per SAE J1455 / DIN EN 60068-2-3-1
Weight	≤ 50 grams
Ingress Protection	IP 65 or IP67 - depending on electrical connector
Medium Temperature	-30°C to + 120°C (others on request)
Environmental Temperature	-30°C to + 100°C (depending on internal and external seal ring capability)
Storage Temperature	-30°C to + 100°C (depending on internal and external seal ring capability)
Media	All class II fluids and gases compatible with stainless steel 304 (1.4301) and the internal and external (optional) seal ring material

Accuracy	≤ 1 % of span 4
Non-linearity	0.2 % of span 4
Non-repeatability	0.1 % of span 4
1-year stability	0.2 % of span 4
Temp. Coefficients - Zero	0.2 % of span / 10 K within temperature range 0°C to + 80°C.2 %
Temp. Coefficients - Span	0.2 % of span / 10 K within temperature range 0°C to + 80°C.2 %

Output Signal	4…20 mA	0.5…4.5 VDC ratiometric	0…5 VDC	0…10 VDC
Operating Supply Signal	9-30 VDC	5 VDC ± 5%	8-30 VDC	14-30 VDC
Power Consumption	≤ 600 mW	≤ 25 mW	≤ 600 mW	≤ 600 mW
Overvoltage Protection	min. 33 VDC	min. 33 VDC	min. 33 VDC	min. 33 VDC
Short-circuit Proofness	not applicable	Yes	Yes	Yes
Insulation Voltage	500 VDC	500 VDC	500 VDC	500 VDC
Reverse Polarity Protection	Yes	Yes	Yes	Yes
Load	≤ (Vsup-8 VDC)/(0.02 A) [Ω]	≥ 4.7 kΩ	≥ 4.7 kΩ	≥ 4.7 kΩ
Response Time	≤ 5 ms max. to 63% of full scale pressure with step change on input

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