| 品牌 | 德国EH |
|---|---|
| 型号 | TR12 |
产品描述
RTD 热电阻
一体式温度变送器，带热保护套管和卡套
高灵活性，一体式结构设计、标准接线盒和用户自定义插入
深度
高兼容性，设计符合DIN 43772 标准
缩径型或锥管型的热保护套管响应时间短
防爆认证，可在危险区域中使用：
- 本安型(Ex ia)
- 防火花型(Ex nA)
模块化温度变送器
相比于不经过温度变送器而直接接线的测量方法，
Endress+Hauser 能为用户提供高测量精度、高测量
可靠性的温度变送器。根据实际工况条件，可以选
择下列信号输出和通信方式：
. 4...20 mA 模拟量输出
. HART?
. PROFIBUS? PA
.基金会现场总线(FF？)
应用领域
应用范围广泛
测量范围: -200...600 °C (-328...1112 °F)
承压能力可达 40 bar (580 psi)
防护等级可达 IP 68
| 测量原理 | Resistance Temperature Detector | |
| Characteristic / Application | metric style modular temperature assembly universal range of application suitable for hazardous areas process connection as compression fitting 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'') 15,0 mm (0,59'') | |
| Max. immersion length on request | up to 10.000,00 mm (393,70'') | |
| Material protection tube/thermowell | 1.4404 (316L) 1.4571 (316Ti) 1.4841 (310) | |
| Optional coating | Tantal | |
| Process connection | compression fitting: G1/2" | |
| Tip shape | straight reduced tapered | |
| Surface roughness Ra | 0,8 μm (31,5 μin.) | |
| Operating temperature range | PT 100: -200 °C ...500 °C (-328 °F ...932 °F) | |
| Max. process pressure (static) | at 20 °C: 40 bar (580 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) | |