Adjustable Turbine Insertion Flow Meter TX115/215 Flowmeter FAQ

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Q. Should I use an IP (insertion paddlewheel) or a TX (insertion turbine) meter?

A.
Unless you are trying to measure down to fairly low flows, you can use the IP81 (paddlewheel), which is less expensive. The TX (turbine) is better near the bottom of the flow range, because a turbine drives with the entire rotor, not just half of it.

Q. What's the difference between a TX101 and a TX115? (Or, between a TX201 and a TX215?)

A. The TX115 and 215 are "hot tap" units, meaning that they incorporate an isolation valve which allows them to be inserted into or removed from the pipe while it is still under pressure. They are made with a longer tube to allow for the reach through the valve.

Q. Can the outside of a TX 100/200-Series meter be submerged, say in a flooded meter pit?

A.
Only with special modification, involving potting the tube and part of the housing. It is designated as option -40.

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Q.	Should I use an IP (insertion paddlewheel) or a TX (insertion turbine) meter?
A.	Unless you are trying to measure down to fairly low flows, you can use the IP81 (paddlewheel), which is less expensive. The TX (turbine) is better near the bottom of the flow range, because a turbine drives with the entire rotor, not just half of it.
Q.	What's the difference between a TX101 and a TX115? (Or, between a TX201 and a TX215?)
A.	The TX115 and 215 are "hot tap" units, meaning that they incorporate an isolation valve which allows them to be inserted into or removed from the pipe while it is still under pressure. They are made with a longer tube to allow for the reach through the valve.
Q.	Can the outside of a TX 100/200-Series meter be submerged, say in a flooded meter pit?
A.	Only with special modification, involving potting the tube and part of the housing. It is designated as option -40.