| Measuring Principle |
Resistance Temperature Detector |
| Characteristic / Application |
metric style
modular temperature assembly
universal range of application
suitable for hazardous areas
threaded process connection
with neck
incl. thermowell / protection tube (metal) |
| Terminal head |
TA20A - aluminium - cover with screws
TA20B - plastics - screw cover
TA20D - aluminium - hinged cover high
TA20J - SS - deep-drawn w. or w/o. display
TA20R - SS - machined w. screw cover
TA20W - aluminium - cover w. snap fit
TA21E - aluminium - screw cover w. chain
TA30A - E+H, aluminium - cover low - w. or w/o. display
TA30D - E+H, aluminium - cover high |
| Thermowell / protection tube |
welded protection tube |
| Insert / probe |
mineral insulated (MI), flexible |
| Outer diameter protection tube |
9,0 mm (0,35'')
11,0 mm (0,43'')
12,0 mm (0,47'') |
| Max. immersion length on request |
up to 10.000,00 mm (393,70'') |
| Material protection tube/thermowell |
1.4404 (316L)
1.4571 (316Ti)
Alloy C276 (2.4819) |
| Optional coating |
Tantal |
| Process connection |
male thread:
G1/2"
G3/4"
G1"
NPT1/2"
NPT3/4"
M20x1.5 |
| Tip shape |
straight
reduced
tapered |
| Surface roughness Ra |
0,8 μm (31,5 μin.) |
| Operating temperature range |
PT 100:
-200 °C ...600 °C
(-328 °F ...1.112 °F) |
| Max. process pressure (static) |
at 20 °C: 75 bar (1088 psi) |
| Accuracy |
class A acc. to IEC 60751
1/3 DIN class B acc. to IEC 60751 |
| Response time |
depending on configuration |
| Integration head transmitter |
yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS) |
| Ex - approvals |
ATEX II1D Ex ia IIIC, II1G Ex ia IIC T6
ATEX II1/2D Ex ia IIIC,II1G Ex ia IIC T6
ATEX IECEx II1/2D Ex ta/tb IIIC Da/Db
ATEX II1G Ex ia IIC T6
ATEX II 3 G Ex nA IIC T6, II3D
NEPSI Ex ia IIC T6
IECEx Ex ia IIC T6 Ga/Gb
NEPSI Ex nA IIC T6 |
| Certification |
Gost Metrology
SIL (transmitter only) |