Select the right PI transmitter for your application

PI1 family at a glance
Article No. Aseptoflex Vario	Article No. G1 Sealing Cone	Measuring range		Accuracy		Repeatability
PI1703	PI1803	-1…25 bar	-14.5…362.6 psi	0.0520 bar	0.7540 psi	0.0260 bar	0.3770 psi
PI1704	PI1804	-1…10 bar	-14.5…145 psi	0.0220 bar	0.3190 psi	0.0110 bar	0.1595 psi
PI1705	PI1805	-1…4 bar	-14.5…58 psi	0.0100 bar	0.1450 psi	0.0050 bar	0.0725 psi
PI1706	PI1806	-0.124…2.5 bar	-1.82…36.3 psi	0.0052 bar	0.0762 psi	0.0026 bar	0.0381 psi
PI1707	PI1807	-50…1000 mbar	-20…401.5 inH₂O	2.1000 mbar	0.8430 inH₂O	1.0500 mbar	0.4215 inH₂O
PI1708	PI1808	-12.5…250 mbar	-5…100 inH₂O	0.5250 mbar	0.2100 inH₂O	0.2625 mbar	0.1050 inH₂O
PI1709	PI1809	-1000…1000 mbar	-14.5…14.5 psi	4.0000 mbar	0.0580 psi	2.0000 mbar	0.0290 psi
PI1714	PI1814	-1…16 bar	-14.5…232 psi	0.0340 bar	0.4930 psi	0.0170 bar	0.2465 psi
PI1715	PI1815	-1…6 bar	-14.5…87 psi	0.0140 bar	0.2030 psi	0.0070 bar	0.1015 psi
PI1717	PI1817	-100…1600 mbar	-40...642.5 inH₂O	3.4000 mbar	1.3650 inH₂O	1.7000 mbar	0.6825 inH₂O
PI1718	PI1818	-50…400 mbar	-20…160.6 inH2O	0.9000 mbar	0.3612 inH₂O	0.4500 mbar	0.1806 inH₂O
PI1789	PI1889	-5…100 mbar	-2…40 inH2O	0.2100 mbar	0.0840 inH₂O	0.1050 mbar	0.0420 inH₂O
-	PI1602	-1…100 bar	-14.5…1450 psi	0.510 bar	7.320 psi	0.100 bar	1.460 inH₂O

Comparison of sanitary pressure sensor families
Sensor family	Pressure range	Medium temperature	Signal	Visualization	Points to consider
PI17	-14.5…363 psi (1450 psi – PI1602)	-13…302 F -25…150 C	• Transmitter • Switch • IO-Link (pressure and temperature)	• Numeric LED • Status LED	• Common sanitary fittings available • 4…20 mA / 20…4 mA scalable • 20,000 step digital resolution • inH2O ranges available • For applications up to 1450 psi use PI1602
PI22 / PI23	-14.5…363 psi	-13…392 °F -25…200 °C	• Transmitter • Switch • IO-Link	• Numeric display • Status LED	• Integrated 1.5" and 2" triclamp • SS diaphragm with food grade fill fluid • Highest resistance to thermal shock • 4…20 mA / 20…4 mA scalable
PG27	-14.5…580 psi	-13…257 °F -25…125 °C	• Transmitter • Switch	• Gauge display • Numeric display	• 4…20 mA / 20…4 mA scalable • inH₂O range available
PM17	-14.5…363 psi (1450 psi - PM1602)	-13…257 °F -25…125 °C	• Transmitter • IO-Link	-	• 4…20 mA scalable analog • Rotatable vent for mounting flexability • Device temperature available via IO-Link • inH₂O range available • For pressure applications up to 1450 psi, use PM1602
PM15	-14.5…580 psi	-13...257 °F (< 1 hr: 300 °F) -25...125 °C (< 1 hr: 150 °C)	• Transmitter • IO-Link	-	• Best solution for small pipes • 4…20 mA scalable analog • Rotatable vent for mounting flexability • Device temperature available via IO-Link

Comparison of sanitary level sensor families
Sensor family	Insertion lengths	Technology	Signal	Points to consider
LW	Measuring range 0.01…10 m (up to 15 m with good conditions)	Radar (unguided)	• Transmitter • Switch • IO-Link	• Top-mounted non-contact solution • High accuracy • No impact in pressurized applications • CIP / SIP capable
LR	100…2000 mm	Guided wave radar	• Transmitter • Switch • IO-Link	• Easy top-down mounting • Cut-to-length measuring points • Clean out-of-place 3A authorized design
PI	Unlimited	Hydrostatic pressure	• Transmitter • Switch • IO-Link	• Mount at the tank bottom • Two-wire transmitter with display • Inches H₂O range available
PG	Unlimited	Hydrostatic pressure	• Transmitter • Switch	• Mount at the tank bottom •Gauge / digital display • Inches H₂O range available
PM	Unlimited	Hydrostatic pressure	• Transmitter • Switch	• Mount at the tank bottom • Two-wire transmitter • Inches H₂O range available

Comparison of level measurement technologies