STEX15 Head-Mounted Temperature Transmitter

Explosion-Proof Certified • ECM Approved

MODEL STEX15

Smart Head-Mounted Temperature Transmitter

The latest model of REGAMOUNT™ head-mounted temperature transmitter in an explosion-proof enclosure. Universal input supports RTD (PT50/100/500/1000), Thermocouples (T/E/J/K/N/R/S/B), mV, and Ω sensors. True full galvanic isolation up to 1000VDC.

Ex d IIC T6 Ga Ex ia IIC T6 Ga IP67 HART Fieldbus PROFIBUS PA Universal Input

0.1°C

RTD Accuracy

1000V

Isolation

IP67

Protection

250g

Weight

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Accuracy (RTD)±0.1°C

Power Supply10.5~32 VDC

Stability (RTD)0.01°C

Damping0.1s~32s

ConduitsM20×1.5

Dimensions≈7×7×10 cm

Supported Sensor Types

Sensor Type	Model	Range	Min. Range	Accuracy
Thermocouple	T	-200~400°C	25°C	±0.4°C
Thermocouple	E	-200~1000°C	25°C	±0.4°C
Thermocouple	J	-210~1200°C	25°C	±0.4°C
Thermocouple	K	-200~1372°C	25°C	±0.4°C
Thermocouple	N	-200~1300°C	25°C	±0.4°C
Thermocouple	R	0~1768°C	100°C	±0.8°C
Thermocouple	S	0~1768°C	100°C	±0.8°C
Thermocouple	B	150~1820°C	100°C	±1.0°C
RTD	PT50	-200~850°C	10°C	±0.15°C
RTD	PT100	-200~850°C	10°C	±0.15°C
RTD	PT500	-200~850°C	10°C	±0.1°C
RTD	PT1000	-200~850°C	10°C	±0.1°C
mV Input	—	-120~120mV	10mV	±10µV
mV Input	—	-1000~1000mV	50mV	±100µV
Ω Input	—	0~500Ω	100Ω	±0.2Ω
Ω Input	—	0~4500Ω	100Ω	±1.0Ω

Technical Specifications

PERFORMANCE

Accuracy (RTD)	±0.1°C
Accuracy (TC E/J/K/N/T)	±0.4°C
Accuracy (TC R/S)	±0.8°C
Accuracy (TC B)	±1.0°C
Stability (RTD)	0.01°C
Stability (TC E/J/K/N/T)	0.1°C
Stability (TC B/R/S)	0.2°C
Galvanic Isolation	1000VDC
Damping Time	0.1s ~ 32s

ELECTRICAL & ENVIRONMENTAL

Power Supply	10.5 ~ 32 VDC
Output Signal	4~20 mA DC
Communication	HART / FF / PA
Ambient Temp.	-30°C ~ +85°C
Ingress Protection	IP67
Explosion Proof	II 1G Ex d IIC T6 Ga
Intrinsic Safety	II 1G Ex ia IIC T6 Ga
Electrical Conduits	M20×1.5
Enclosure Material	Aluminum (SS316/NiAlBz opt.)
Weight	≈ 250g
Dimensions	≈ 7×7×10 cm

Ordering Codes

OUTPUT SIGNAL

-H	4~20 mA + HART
-F	FOUNDATION Fieldbus H1
-P	PROFIBUS PA

SENSOR INPUT

0	Universal Input (no sensor)
1	Universal Input + Integrated Sensor

INDICATOR

N	Without LCD (Head-Mount)

Example Order Code

STEX15-H0N/P5/B4

HART output • Universal input without sensor • No LCD • IP65 safe area • SS304 bracket

Available Options

PROTECTION & CERTIFICATES

/P5	IP65 (Non-Ex safe area)
/P8	Water-proof IP68
/Q4	Calibration cert (3rd party)
/Q5	Material test; enclosure

MECHANICAL & ACCESSORIES

/E1	Conduit 2" NPTF
/E6	Enclosure SS316 (C8FM)
/E7	Enclosure NiAlBz
/B2	Bracket 2" pipe (Galvanized)
/B4	Bracket 2" pipe (SS304)
/N4	Wired tag SS316 plate

⚠ Notice:

When sensor order code is "0" (without integrated sensor), the user must prepare suitable sealing for assembling the remote sensor in its conduit to achieve the desired IP rating and explosion-proof protection.

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