TR44衛(wèi)生型溫度變送器
- 品牌： E+H
- 型號： TR44
產(chǎn)品描述
一體化RTD熱電阻，衛(wèi)生型結(jié)構(gòu)設(shè)計(jì)
具有多種過程連接形式和延長頸類型
- 高靈活性：模塊化結(jié)構(gòu)設(shè)計(jì)、標(biāo)準(zhǔn)接線端子塊和用戶自定義熱電阻插入深度
- 提供絕大多數(shù)常見的EHEDG認(rèn)證衛(wèi)生型過程連接，儀表的結(jié)構(gòu)設(shè)計(jì)符合3A衛(wèi)生型標(biāo)準(zhǔn)
- 高精度測量：采用符合IEC 60751 (A級或更高等級)的Pt100溫度傳感器
-
可滿足防爆區(qū)中的測量要求：
- 本安型儀表(Ex ia)
- 無火花 (Ex nA)
一體化溫度變送器
相比于不經(jīng)過溫度變送器，而直接接線的測量方式，Endress+Hauser的一體式溫度變送器具有更高的測量精度和更高的測量可靠性。根據(jù)實(shí)際應(yīng)用工況，用戶可以自由選擇下列信號輸出模式和通信方式：
- 4...20 mA模擬輸出
- HART®
- PROFIBUS® PA
- FF基金會(huì)現(xiàn)場總線
應(yīng)用領(lǐng)域
-
可用于食品、制藥等衛(wèi)生領(lǐng)域和精細(xì)化工行業(yè)的測量
-
溫度測量范圍: -50...250 °C
-
承壓能力可達(dá) 40 bar
-
防護(hù)等級可達(dá) IP 68
技術(shù)參數(shù)
Thermometer
測量原理 Resistance Temperature Detector Characteristic / Application metric style
modular temperature assembly
hygienic design
hygienic process connection
with neck
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
Thermowell / protection tube without (not intended to use with thermowell)
Insert / probe mineral insulated (MI), flexible
Outer diameter protection tube 6,0 mm (0,24'')
8,0 mm (0,31'')
Max. immersion length on request up to 1.000,00 mm (39,37'')
Material protection tube/thermowell 1.4435 (316L)
Process connection hygienic:
conical sealing system G1/2" (metal)
conical sealing system M12x1,5 (metal)
clamp connections acc. to ISO 2852 / DIN 32676
clamp connections TRI-Clamp / Micro-Clamp
screwed pipe joint acc. to DIN 11851
screwed pipe joint acc. to DIN 11864-1
Varivent
SMS 1147/8
G1" Liquiphant type M
Ingold
welded (cylindircal)
welded (spherical)
Tip shape straight
reduced
Surface roughness Ra 0,4 μm (15,7 μin.)
0,8 μm (31,5 μin.)
Operating temperature range PT 100:
-50 °C ...200 °C
(-58 °F ...392 °F)
Max. process pressure (static) at 20 °C: 50 bar (725 psi)
Accuracy class A acc. to IEC 60751
1/3 DIN class B acc. to IEC 60751
Response time depending on configuration
t50 = 5 s
t90 = 13 s
Integration head transmitter yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
Ex - approvals ATEX
Certification Gost Metrology
FDA
EHEDG
3A
SIL (transmitter only)
