Emerson Rosemount 0065 Quick Start Manual page 7

August 2017
2.3 Barstock thermowell sensor assembly
Rosemount 644 with
LCD display meter
Head or field
mount transmitters
Rosemount IP 68
or IP 65
connection heads
Sensor with flying leads,
terminal block, or
spring-loaded adapter
Stand-alone
extensions
Weld-in,
threaded or
flanged
barstock
thermowells
★★
N dimension measures from
thread engagement point.
★★★
This dimension is 80 mm for
Class 1500 and Class 2500
flanges.
1. The Rosemount 644 is available with or without a LCD display.
40 mm
60
mm
T
U
U
Rosemount
Rosemount
644
248
L
L
16 mm
★★
N
60
40 mm
mm
U
U
Quick Start Guide
(1)
Rosemount
25 mm
11 mm
11 mm
★★
N
★★
N
11 mm 11 mm
3144
L
★★★
60 mm
U
7