| 测量原理 | Resistance Temperature Detector |
| Characteristic / Application | metric style
modular temperature assembly
universal range of application
suitable for hazardous areas
threaded process connection
without 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) |
| Optional coating | Tantal |
| Process connection | male thread:
G3/8"
G1/2"
G3/4"
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
TIIS Ex ia IIC T4
TIIS Ex ia IIC T6
IECEx Ex ia IIC T6 Ga/Gb |
| Certification | Gost Metrology
SIL (transmitter only) |
