測量原理 | 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) |