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 specifica‐
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