Siemens SITRANS T Series - Construction; General Specifications

Operating conditions SITRANS TH320/420 SITRANS TR SITRANS TF
Reference temperature for
sensor calibr
ation
+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
8.2.2 Construction
Mechanical speci󹪝ca‐
tions
SITRANS TH320/420 SITRANS TR SITRANS TF
Weight 50 g 122 g (0.27 lb) Single chamber hous‐
ing: 0.85 k
g
Dual chamber housing:
Aluminum: 1.3 kg,
stainless steel: 3.3 kg
Maximum core cross-sec‐
tion
1 x 1.5 mm
2
(A
WG 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
scr
ew 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
8.2.3 General speci󹪝cations
General speci󹪝cations SITRANS TH320/420/TR SITRANS TF
Supply voltage 7.5
1)
... 48
2)
V DC
7.5
1)
... 30
2)
V DC (Ex i)
Single chamber housing Dual chamber housing
Without display:
7.5 ... 48 V DC
7.5 ... 30 V DC (Ex i)
W
ith display:
10 ... 48 V DC
10 ... 30 V DC (Ex i)
Without display:
8.2 ... 48 V DC
8.2 ... 30 V DC (Ex i)
With display:
10.7 ... 48 V DC
10.7 ... 30 V DC (Ex i)
Maximum power loss ≤ 850 mW
Minimum load resistance at supply volt‐
ag
e > 37 V insulation voltage, test/opera‐
tion
(Supply voltage – 37 V) / 23 mA
Technical data
8.2 SITRANS TH320/TH420/TR320/TR420/TF320/TF420
SITRANS TH100/TH100Slim/TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 07/2021, A5E41865021-AE 81