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TEMPERATURE TO CURRENT CONVERTERS STI AND STID (4–20 mA)

TEMPERATURE TO CURRENT CONVERTERS STI AND STID (4–20 mA)

TEMPERATURE TO CURRENT CONVERTERS STI AND STID (4–20 mA)

CONFIGURATOR

CONFIGURE AND REQUEST

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STI and STID converters are intended for converting the signal of Ni 1000/6180, Pt 100/3850 or Pt 1000/3850 resistance-type temperature sensing elements to the unified signal 4 to 20 mA. These converters can be utilised in any control system compatible with 4–20 mA current output. Standard measuring ranges of the converter are listed in the specifications table. Operating temperature range is -30 to 70 °C. These limits must not be exceeded even for a short time.

The sensors are designed to be operated in a chemically non-aggressive environment.

Two variants exist regarding to the design of the converter case:

1. STI Pt and STI Ni converters: the plastic case is made of POLYAMIDE material, and is identical to, for example, the connection head of s 120 sensors. It is provided with a wall bracket or with a clip for attaching to a DIN rail. the terminal board casing meets the IP 65 ingress protection requirements according to the EN 60 529 standard, as amended.

2. STID Pt: the plastic box is made of material TARFLON - IRY 2200, which meets requirements of UL 90 V-O standard. Itis intended for installation directly to a switchboard on a DIN rail. 

DECLARATION, CERTIFICATION, CALIBRATION

  • Manufacturer provides EU Declaration of Conformity.
  • Calibration – The final metrological inspection – comparison with standards or working instruments – is carried out for all the products. Continuity of the standards and working measuring instruments is ensured within the meaning of the Section 5 of Act no.505/1990 on metrology. The manufacturer offers a possibility to supply the sensors calibrated in SENSIT s.r.o.’s laboratory (according to requirements of the EN ISO/IEC 17025 standard, as amended) or in an Accredited laboratory.  

 

Technické parametry

Converter type STI Ni
STI Pt 100
STID Pt 100
STI Pt 1000
STID Pt 1000
Input signal Ni 1000/6180 Pt 100/3850 Pt 1000/3850
Output signal 4 to 20 mA
Power supply (Vcc) 11 to 30 V DC; (recommended value 24 V DC)
Maximum voltage ripple Vcc 0.5 %
Standard measuring range -30 to 60 °C
0 to 35 °C
0 to 100 °C
0 to 150 °C
0 to 250 °C
-30 to 60 °C
0 to 35 °C
0 to 100 °C
0 to 150 °C
0 to 200 °C
0 to 400 °C
-30 to 60 °C
0 to 35 °C
0 to 100 °C
0 to 150 °C
0 to 200 °C
0 to 400 °C
STI and STID ingress protection STI: IP 65 in accordance with EN 60529, as amended
STID: IP 20 (plastic case) / IP 00 (terminal board) in accordance with EN 60529, as amended
Ambient temperature -30 to 70 °C
Measurement error < 0.6 % of the measuring range, minimum 0.5 °C
Load resistance150 Ω for power supply 12 V DC
700 Ω for power supply 24 V DC
Output current for sensing element break > 24 mA
Output current for sensing element short < 3.5 mA
Sensor connection according to the wiring diagram
Recommended wire cross section STI: 0.35 to 1.5 mm2
STID: 0.35 to 2.5 mm2
Material of the case STI: POLYAMIDE
STID: TARFLON- IRY 2200 - meets requirements of UL 94 V-0, as amended
Operating conditions ambient temperature: -30 to 70 °C
relative humidity: max. 85 % (at the ambient temperature 25 °C)
atmospheric pressure: 87 to 107 kPa
Weight 0.15 kg

*) According to the customer's requirement, it is possible to provide a customized measurong range from -40 to 150 °C; the minimum span of the range must be 35 °C (e.g. -20 to 15 °C; -30 to 80 °C)
Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

Rozměrový náčrt

Schéma zapojení

Modifikace

Soubory ke stažení

020.17en.pdf 020.17en.pdf

CONTACT

SENSIT s.r.o.

Školní 2610, 756 61 Rožnov pod Radhoštěm


+420 571 625 571

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