Siemens SITRANS T Series - Sitrans Th320;Th420;Tr320;Tr420;Tf320;Tf420; Operating Conditions; Construction

12.2 SITRANS TH320/TH420/TR320/TR420/TF320/TF420
12.2.1 Operating conditions
Operating conditions SITRANS TH SITRANS TR SITRANS TF
Ambient temperature -50 ... +85 °C (-58 ... +185 °F)
SITRANS TF dual chamber housing: -40 ... +85 °C (-40 ... +185 °F)
Ambient temperature for de‐
vices with local display
-40 ... +85 °C
(-40 ... +185 °F)
Ambient temperature for de‐
vices with functional security
-40 ... +80 °C (-40 ... +176 °F)
Storage temperature -50 ... +85 °C (-58 ... +185 °F)
SITRANS TF dual chamber housing and SITRANS TF dual chamber housing
with display: -40 ... +85 °C (-40 ... +185 °F)
SITRANS TF single chamber enclosure with display: -40 ... +85 °C
(-40 ... +185 °F)
Reference temperature for
sensor calibration
+24 °C (77 °F) ±1.0 °C (33.8 °F)
Relative humidity < 99% relative humidity (no condensation)
Degree of protection
• Transmitter enclosure
IP68 IP20 IP66/IP67/IP68
• Terminals
IP00 IP20 IP00
12.2.2 Construction
Mechanical speci󹪝ca‐
tions
SITRANS TH SITRANS TR SITRANS TF
Weight 50 g 122 g (0.27 lb) Single chamber hous‐
ing: 0.85 kg
Dual chamber housing:
Aluminum: 1.3 kg,
stainless steel: 3.3 kg
Maximum core cross-sec‐
tion
1 x 1.5 mm
2
(AWG 16) 2.5 mm
2
(AWG 14) Single chamber hous‐
ing: 1.5 mm
2
(AWG 16)
Dual chamber housing:
2.5 mm
2
(AWG 14)
Tightening torque for
screw terminals
0.4 Nm 0.5 ... 0.6 Nm
Vibration IEC 60068-2-6
2 Hz to 25 Hz 1.6 mm
25 Hz to 100 Hz 4 g
Technical data
12.2 SITRANS TH320/TH420/TR320/TR420/TF320/TF420
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
196 Operating Instructions, 05/2020, A5E41864807-AB