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Measuring principle
Resistance Temperature Detector
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Characteristic / Application
metric style
imperial style
easy-to-use
suitable for hazardous areas
process connection: flanged
Storage applications
linear sensor distribution
modular design -
Thermowell / protection tube
without (not intended to use with thermowell)
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Insert / probe
mineral insulated (MI), flexible
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Outer diameter protection tube / Insert
25 mm
37 mm -
Max. immersion length on request
up to 60.000,00 mm (2.360”)
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Material protection tube/ thermowell
1.4401 (316)
1.4435 (316L) -
Process connection
flange:
1 1/2″ ASME/ANSI B16.5 150
…300
2″ ASME/ANSI B16.5 150
…300
3″ ASME/ANSI B16.5 150
..300
4″ASME/ANSI B16.5 150
..300
DN40 EN/DIN 1092.1 PN16
…PN40
DN50 EN/DIN 1092.1 PN16
…PN40
DN80 EN/DIN 1092.1 PN16
…PN40
DN100 EN/DIN 1092.1 PN16
…PN40 -
Tip shape
straight
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Operating temperature range
Type K:
max. 800 °C
(max. 1.472 °F)
Type J:
max. 520 °C
(max. 968 °F)
Pt100 WW:
-200…600 °C
(-328…1.112 °F)
Pt100 StrongSens:
-50…500 °C
(-58…932 °F)
Pt100 TF:
-50…400 °C
(-58…752 °F) -
Max. process pressure (static)
at 20 °C: 40 bar (580 psi)
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Accuracy
class 1 acc. to IEC 60584
class 2 acc. to IEC 60584
class Special ASTM E230 and ANSI MC 96.1
IEC60751 Class A
IEC60751 Class AA -
Response time
TC
t50 = 1 s
t90 = 2 s
RTD
t50 = 3 s
t90 = 6 s -
Integration head transmitter
yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
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Ex – approvals
ATEX
IECEX
UL
FM
CSA -
Certification
SIL (transmitter only)
Field of application
The iTHERM TMS31 is a versatile, modular multipoint temperature assembly designed for temperature average detection and profiling in grain, organic bulk material storage silos and in oil, fuel storage tanks.The device’s mechanical robustness and accurate temperature sensors offer the necessary characteristics for safe, reliable and economic product storage operations. In its standard configuration it is available with up to 20 thermocouple (TC) or RTD sensors fitted to a primary metal rope.
Oil storage tanksBulk material silos
Benefits
Easy installation and process integration thanks to a high degree of customization Flexible rope that adapts to different silos or tank operating conditions (filling, emptying, storage, …) Intrinsically safe device for use in Ex areas Highly robust design for a long product lifetime and continuous monitoring in all conditions