absolute:
- MPRL 01.6BA 1.6bar
- MPRL 0160KA 160kPa
- MPRL 0025PA 15PSI, I2C, $14
gage:
- MPRL 0400MG 0.4 bar
- MPRL 0040KG, 40kPa
- MPRL 0005PG, 5PSI
- MPRL 0300YG, 300mHg, +/-2.5% error $20 (error measured was 3.5% at 1-1.5m water)
- gage: MS5547-02BG, 29PSI, I2C or SPI, $14
- absolute: LPS28DFW, I2C, 260 - 4060 hPa +/- 0.5 hPa (0.4mmHg), (1.58mm ID tubing) $7
This might be more cost effective and might be more precise.
- absolute: BMP585, I2C, 18.13PSI, $6, can not measure 200mmHg at see level