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Daniel 3410 Series Ultrasonic Gas Flow Meter Installation Manual Section 1: Introduction
3-9000-759 Rev D June 2014
Meter specifications 15
Electronic specifications (Continued)
Transducer, mounts and holders
Note: The process temperature must not exceed the operating temperature range of the transducers.
Note: T-11 and T-21 transducers are designed for 12 inch and larger meters. T-12 and T-22 transducers are designed for 4"
through 10 meters.
Note: T-11 and T-21 transducers are used for all meter sizes for Models 3411 and 3412.
Note: The ultrasonic transducers are not intended for use across boundary walls of different hazardous area classifications. The
transmitter electronics cannot be remote mounted from Division 1 classification to a Division 2 area to meet an area
classification.
Table 1-2 Meter specifications
Table 1-4 Transducer specifications
Transducer type Temperature range Mount and holder type
T-11 -20 °C to +100 °C (-4 °F to 212 °F) Standard mounts/Holders, NBR O-ring
Inconel mounts/316L Holders, NBR O-ring
Inconel Mounts/Inconel Holders/FKM O-ring
T-12 -20 °C to +100 °C (-4 °F to 212 °F) Standard mounts/Holders, NBR O-ring
Inconel mounts/316L Holders, NBR O-ring
Inconel Mounts/Inconel Holders/FKM O-ring
T-21
1
-20 °C to +100 °C (-4 °F to 212 °F) Standard mounts/Holders, NBR O-ring
Inconel mounts/316L Holders, NBR O-ring
Inconel Mounts/Inconel Holders/FKM O-ring
T-22
2
-50 °C to +100 °C (-58°F to 212 °F) Standard mounts/Holders, NBR O-ring
Inconel mounts/316L Holders, NBR O-ring
Inconel Mounts/Inconel Holders/FKM O-ring
1. T-21 transducers use W-01 transformers
2. T-22 transducers use W-02 transformers