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low pressure sensor Amphenol 1 MBAR-D-4V with enhanced linearity and temperature stability features

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low pressure sensor Amphenol 1 MBAR-D-4V with enhanced linearity and temperature stability features

Pressure range : -1mbar~+100pa

Response time : 500us

Description : -1mbar~+100pa SIP-4 Pressure Sensors, Transducers RoHS

Mfr. Part # : 1 MBAR-D-4V

Model Number : 1 MBAR-D-4V

Package : SIP-4

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Product Overview

The All Sensors Amplified Low Pressure Sensors utilize a proprietary technology to significantly reduce output offset and common mode errors. These sensors provide a ratiometric 4-volt output with superior offset characteristics, minimizing errors due to temperature changes, warm-up, long-term stability, and position sensitivity compared to conventional methods. Featuring a silicon, micromachined, stress concentration enhanced structure, they deliver a very linear output to measured pressure. These calibrated and temperature-compensated sensors offer accurate and stable performance over a wide temperature range, making them ideal for use with non-corrosive, non-ionic working fluids like air and dry gases. The output is ratiometric to the supply voltage, which ranges from 4.5 to 5.5 volts. Applications include Medical Instrumentation, Environmental Controls, and HVAC systems.

Product Attributes

Brand: All Sensors
Technology: Proprietary technology for offset reduction
Output Type: Ratiometric 4-volt output
Working Fluids: Non-corrosive, non-ionic (e.g., air, dry gases)

Technical Specifications

Model	Operating Pressure Range	Nominal Span (V)	Proof Pressure (InH2O)	Burst Pressure (InH2O)	Supply Voltage (Vdc)	Common-mode Pressure (psig)	Lead Temperature Max (C)
1 MBAR-D-4V	±1 mbar	4 V	100	200	+4.5 to +5.5	-10 to +10	250
1 INCH-D-4V	±1 InH2O	4 V	100	200	+4.5 to +5.5	-10 to +10	250
1 INCH-G-4V	0 - 1 InH2O	4 V	100	200	+4.5 to +5.5	-10 to +10	250
2.5 INCH-D-4V	±2.5 InH2O	4 V	200	300	+4.5 to +5.5	-10 to +10	250
2.5 INCH-G-4V	0 - 2.5 InH2O	4 V	200	300	+4.5 to +5.5	-10 to +10	250
5 INCH-D-4V	±5 InH2O	4 V	200	300	+4.5 to +5.5	-10 to +10	250
5 INCH-G-4V	0 - 5 InH2O	4 V	200	300	+4.5 to +5.5	-10 to +10	250
10 INCH-D-4V	±10 InH2O	4 V	200	300	+4.5 to +5.5	-10 to +10	250
10 INCH-G-4V	0 - 10 InH2O	4 V	200	300	+4.5 to +5.5	-10 to +10	250
20 INCH-D-4V	±20 InH2O	4 V	300	500	+4.5 to +5.5	-10 to +10	250
20 INCH-G-4V	0 - 20 InH2O	4 V	300	500	+4.5 to +5.5	-10 to +10	250
30 INCH-D-4V	±30 InH2O	4 V	500	800	+4.5 to +5.5	-10 to +10	250
30 INCH-G-4V	0 - 30 InH2O	4 V	500	800	+4.5 to +5.5	-10 to +10	250
40 INCH-G-4V	0 - 40 InH2O	4 V	500	800	+4.5 to +5.5	-10 to +10	250
60 INCH-G-4V	0 - 60 InH2O	4 V	500	800	+4.5 to +5.5	-10 to +10	250

Environmental Specifications

Parameter	Compensated Temperature Range (C)	Operating Temperature Range (C)	Storage Temperature Range (C)	Humidity Limits (% RH)
	5 to 50	-25 to 85	-40 to 125	0 to 95 (non-condensing)

Performance Characteristics (Example for 1 MBAR-D-4V)

Parameter	Minimum	Nominal	Maximum	Units
Operating Range, differential pressure	±1.80	±1.0	±2.20	mbar
Output Span	2.00	2.00	2.50	V
Offset Voltage @ zero differential pressure		±20	±120	mV
Offset Temperature Shift (5C-50C)		±40	0.25	mV
Offset Warm-up Shift		±20		mV
Offset Position Sensitivity (1g)		0.05		mV
Offset Long Term Drift (one year)				mV
Linearity, hysteresis error			0.25	%FSS
Span Temperature Shift (5C-50C)			0.25	%FSS

Performance Characteristics (Example for 1 INCH-D-4V)

Parameter	Minimum	Nominal	Maximum	Units
Operating Range, differential pressure	±1.90	±1.0	±2.10	inH2O
Output Span	2.15	2.00	2.35	V
Offset Voltage @ zero differential pressure		±10	±60	mV
Offset Temperature Shift (5C-50C)		±5	0.25	mV
Offset Warm-up Shift		±5		mV
Offset Position Sensitivity (1g)		±10		mV
Offset Long Term Drift (one year)		0.05		mV
Linearity, hysteresis error			0.25	%FSS
Span Temperature Shift (5C-50C)			2	%FSS

Specification Notes

All parameters are measured at 5.0 volt excitation, for the nominal full scale pressure and room temperature unless otherwise specified.
Pressure measurements are with positive pressure applied to Port B.
Offset Temperature Shift is relative to 25C.
Offset Warm-up Shift is within the first hour of excitation applied to the device.
Linearity, hysteresis error is measured at one-half full scale rated pressure using best straight line curve fit.
The Span is the algebraic difference between full scale output voltage and the offset voltage.

Pressure Response

For any pressure applied, the response time to reach 90% of the applied pressure is typically less than 500 microseconds.

2411220617_Amphenol-1-MBAR-D-4V_C6355703.pdf

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