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The LP1420 is a compensated digital output surface-mountable pressure sensor series from Merit SensorTM suitable for ultra low-pressure sensing applications. This pressure sensor series offers a low-pressure range from 0.15psi to 1psi and is designed for clean, dry air and non-corrosive gases, with an operating temperature range of −40°C to +85°C and a pressure accuracy of ±1.5%FS. The LP1420 series Merit SensorTM products incorporate a proprietary Sentium® technology developed to provide a best-in-class operating temperature range and superior stability.
Typical applications for the Merit SensorTM LP1420 series include:
Please see below the specifications for the Merit LP1420 series:

Merit Sensor Systems, Inc. partners with Rhopoint and it’s customers to design, fabricate, assemble and package reliable, cost-effective piezoresistive pressure sensor solutions for automotive, medical, industrial, aviation, defense and consumer applications. Please visit https://meritsensor.com/ for more information.
| Weight | 0.00000 kg |
|---|---|
| Dimensions | 8.40 x 12.70 x 10.20mm |
| Series / Model | |
| Accuracy | ±1.5% FS |
| Output | Digital I2C |
| Package / Size | |
| Pressure Range | |
| Pressure Type | |
| I²C Address | Open, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78 |
| Update Rate | 25ms, 5msec |
| Voltage | |
| Version | Single horizontal port, Dual horizontal ports |
| Termination / Connection | J-Lead |
| Temperature Range (°C) | -40 to +85°C |
| Product Type |
1420
P04 250 Pa
P07 500 Pa
P15 0.15psi
P30 0.30psi
1P0 1.0psi
15P 15ps
D Differential
G Gage
A Absolute
1 1MHz
1 Update mode constant
| SKU | Pressure Range | Pressure Type | I²C Address | Update Rate | Voltage | Version |
|---|---|---|---|---|---|---|
| Merit Sensor LP1420 |
| Product name | SKU | Datasheet | ||
|---|---|---|---|---|
| Merit Sensor LP1400 Series | Merit Sensor LP1400 | View Product | |
| Merit Sensor LP1410 Series | Merit Sensor LP1410 | View Product | |
| Merit Sensor LP1420 Series | Merit Sensor LP1420 | View Product |
Below is an example of the part number break down for the LP1420 series:

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