Omnigrad - Model S TC65 -Explosion-Proof Thermocouple Thermometer

FromEndress+Hauser Group Services AG

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Safe monitoring of process temperatures in challenging applications e. g. in the Oil & Gas industry. The robust thermometer is designed for use in demanding and safety relevant applications e.g. in the Chemical, Oil & Gas and Energy industry. 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. The sensor may be used direct contact without thermowell or where the application requires it, spring load inside of a separate thermowell. Flexible configuration possible.

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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
High degree of flexibility thanks to modular design with standard terminal heads as per DIN EN 50446 and customer-specific immersion lengths
For plug-in/screw-in with sliding compression fitting

Fine Chemicals
Petrochemical industry
Power stations
Environmental engineering
Measuring range: –40 to 1 100 °C (–40 to 2 012 °F)
Static pressure range up to 75 bar dependent on the used process connection
Protection class: IP68

Measuring principle

Thermocouple
Characteristic / Application

metric style

modular temperature assembly

for heavy duty applications

suitable for hazardous areas

threaded process connection

without neck
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

without (not intended to use with thermowell)
Insert / probe

mineral insulated (MI), flexible
Outer diameter protection tube / Insert

3,0 mm (0,12``)

6,0 mm (0,24``)
Max. immersion length on request

up to 30.000,00 mm (1.181,10``)
Material protection tube/ thermowell

1.4404 (316L)

Alloy 600 (2.4816)
Process connection

male thread:

NPT1/2"

NPT3/4"

compression fitting:

NPT1/2"

NPT3/4"
Tip shape

straight

tapered
Operating temperature range

Type K:

-40 °C ...1.100 °C

(-40 °F ...2.012 °F)

Type J:

-200 °C ...750 °C

(-328 °F ...1.382 °F)
Max. process pressure (static)

at 20 °C: 80 bar (1,160 psi)
Accuracy

class 1 acc. to IEC 60584
Response time

depending on configuration

t50 = 3 s

t90 = 7 s
Integration head transmitter

yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
Ex - approvals

ATEX II

IECEx

NEPSI

EAC Ex

Explosion proof
Certification

Gost Metrology

SIL (transmitter only)