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Level Meter

Omnigrad S TR66 Explosion-proof Pt100 Thermometer

Omnigrad S TR66 Explosion-proof Pt100 Thermometer

 

Safe monitoring of process temperatures in challenging applications e. g. in the Oil & Gas industry

 

Product Overview

 

The robust thermometer is designed for use in demanding and safety relevant applications e.g. in the Chemical, Oil & Gas and Energy industry. Harsh environments, corrosive substances and highest pressures can be handled by the use of robust protection tubes and special materials. An optional head transmitter with all common communication protocols makes the device ready to use with enhanced measurement accuracy and reliability compared to directly wired sensors.

Benefits

  • Types of protection for use in hazardous locations: Intrinsic safety (Ex ia), flameproof (Ex d), non-sparking (Ex nA)

  • High degree of insert compatibility and design as per DIN 43772

  • Extension neck to protect the head transmitter from overheating

  • Fast response time with reduced/tapered tip form

  • High degree of flexibility thanks to modular design with standard terminal heads as per DIN EN 50446 and customer-specific immersion lengths

Field of application

  • Heavy duty applications

  • Oil & Gas processing industry

  • Measuring range: -200 to +600 °C (-328 to 1112 °F)

  • Static pressure range up to 100 bar (1450 psi)

  • Protection class: IP66/67

Technical information

 

Measuring Principle Resistance Temperature Detector
Characteristic / Application US style
modular temperature assembly
for heavy duty applications
suitable for hazardous areas
suitable for high process pressures
threaded process connection
with neck
incl. thermowell / protection tube (metal)
Terminal head TA21H – aluminium – screw cover w. chain
TA21H – stainless steel – screw cover w. chain
TA30H – aluminium – w. or w/o. display
TA30H – aluminium – one or two cable entries NPT1/2", NPT3/4", M20x1.5
Thermowell / protection tube bar stock (drilled)
Insert / probe mineral insulated (MI), flexible
Max. immersion length on request up to 5.000,00 mm (196,85'') 
Material protection tube/thermowell 1.0460 (A105)
1.4401 (316)
1.4404 (316L) 
1.4571 (316Ti)
Optional coating Tantal
Process connection male thread:
NPT3/4"
NPT1"
flange:
ASME 1" 150 RF (B16.5)
ASME 1" 300 RF (B16.5)
ASME 1" 600 RF (B16.5)
ASME 1,5" 150 RF (B16.5)
ASME 1,5" 300 RF (B16.5)
ASME 1,5" 600 RF (B16.5)
ASME 2" 300 RF (B16.5)
ASME 2" 600 RF (B16.5)
Tip shape straight
tapered 
Surface roughness Ra 1,6 μm (63,0 μin.) 
Operating temperature range PT 100:
-200 °C ...600 °C
(-328 °F ...1.112 °F)
Max. process pressure (static) at 20 °C: 500 bar (7.252 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 II1/2D Ex ia IIIC,II1G Ex ia IIC T6
ATEX II 2 GD Ex d IIC
ATEX II 3 G Ex nA IIC T6, II3D
ATEX II 1/2 GD Ex d IIC
IECEx Ex d Ga/Gb IIC T6/T5/T4,Ex tD A20
IECEx Ex ia IIC T6 Ga/Gb
IECEx Ex d IIC T6/T5/T4
IECEx Ex d IIC T6/T5/T4, Ex tD A21
NEPSI Ex ia IIC T6
NEPSI Ex d IIC T6
NEPSI Ex nA IIC T6
Certification Gost Metrology
SIL (transmitter only)