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TR 011Ex serie
ATEX zone II

TR 011Ex serie
ATEX zone II

TR011Ex,TR 011 Ex

TR 011Ex serie
ATEX zone II
On request

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The temperature sensors TR011Ex are designed to meet the requirements of EN 60079-0:2013+A11:2014, EN 60079-7:2016 and EN 60079-31:2014, as amended. Sensors marked on the nameplate with II3G Ex ec IIC T6…T2 Gc and II3D Ex tc IIIC T60°C…230°C DC can be used in potentially explosive environments – Equipment Group II, Zone 2 and Zone 22.

The temperature sensors operate on the principle of defined dependency of the change of property of the sensor and the change of temperature. They are not capable of generating sparks, arcs or high surface temperatures. The temperature range for use in potentially explosive environments is limited by the insulation of the cable used and specifically specified in the operating instructions – the specified measuring range must not be exceeded, even for a brief period. The supply cable may have an outer PVC, silicone or PTFE (Teflon) insulation and may be either shielded or unshielded. According to EN 60 529, as amended, the sensors meet IP 65 in the case of PTFE (Teflon) cable insulation and IP 67 in the case of other supply cables.

The temperature sensors are designed to be operated in a chemically non-aggressive environment, the use must be chosen with regard to the temperature and chemical resistance of the case and the supply cable.

  • Temperature sensors serie TR 011 – The sensors can be used for temperature measurement of gaseous and liquid substances in piping or air conditioning ducts or separately for temperature measurement of solids. They consist of a metal measuring case with a diameter of 6 mm, 7 to 10 mm or 12 mm, which contains a temperature sensing element and supply cable. The metal sensor case can be made of stainless steel DIN 1.4301, DIN 1.4404, DIN 1.4571. The fixed part of the case is a mounting fitting with different thread sizes and OK hexagon, allowing direct installation in the measured location without the use of a thermowell. The wiring of the sensors can be 2-wire, 3-wire or 4-wire. In the case of shielded supply cables, the shielding is not connected to the case or to the temperature sensing element. The case length can be selected from the range of 40 to 400 mm, depending on the sensor case diameter.

 

DECLARATION, CERTIFICATION, CALIBRATION

The manufacturer issues an EU Declaration of Conformity

The declaration is issued on the basis of the following certificates issued by the Physical-Technical Testing Institute Ostrava – Radvanice:

  • TR011Ex Appendix No. 2 to Certificate No. FTZÚ 07 ATEX 0143X

Calibration – All temperature sensors pass through the final metrological inspection, which is carried out by comparing with standards or working gauges. Continuity of the standards and working gauges is ensured within the meaning of Section 5 of Act No. 505/1990 on metrology, as amended. The manufacturer offers the possibility to supply sensors calibrated in the laboratory of SENSIT s.r.o. (according to the requirements of EN ISO/IEC 17025, as amended) or in an accredited laboratory.

 

Technické parametry

Sensor type TR 011Ex
Standard types of sensing elements* all types
(Pt 100, Pt 1000, Ni 1000, Ni 10000,Ni 2226=T1, NTC, PTC, KTY, TSiC, DALLAS, TC K, TC J, TC T and so on)
Measuring range Y -- T6: - 20 ≤ Ta≤ 60 °C cable PVC
T5: -20 ≤ Ta ≤ 95 °C cable PVC up to 105 °C
T3: -30 ≤ Ta ≤ 180 °C cable SILICONE
Recommended/ maximum
DC measuring current

1 mA/ 3 mA for the sensors with sensing element Pt 100
0.5 mA/ 1.5 mA for the sensors with the sensing element Pt 500 0.3 mA/ 0.8 mA for sensor with the sensing element Pt 1000
0.3 mA/ 1 mA for other sensors

Recommended/maximum
DC power consumption of sensing element
0.05 mW/ 1 mW for the sensors with the sensing element NTC 20 kΩ
Accuracy class Ni sensing elements: B class, Δt = ± (0.4 + 0.007t), for t ≥ 0; Δt = ± (0.4 + 0.028|t|), for t ≤ 0 in °C;
Pt sensing elements: B class according EN 60 751, Δt = ± (0.3 + 0.005|t|) in °C
NTC 20 kΩ: ± 1 °C for the range 0 °C to 70 °C
Sensor connection 2-wire, 3-wire, 4-wire
Insulation resistance min. 200 MΩ at 500 V DC, at the temperature 15 °C to 35 °C, maximum rel. humidity 80 %
Dielectric strength (ATEX) 1 000 V DC during the period 1 s, at the temperature 15 °C to 35 °C, maximum rel. humidity 80 % according to the article 6.8.1. of the EN 60 079-15 ed. 2 standard
Ingress protection

IP 67 for cables with PVC and SILICONE insulation in accordance with EN 60529, as amended
IP 65 for cables with PTFE (teflon) insulation in accordance with EN 60529, as amended

Types of lead-in cables and their thermal resistivity

-30 °C to 200 °C MCBE-AFEP, 2 x 0,34 a 4 x 0,15 mm2, silicone insulation
-25 °C to 105 °C FLRYWYW, 2 x 035 a 4 x 0,35 mm2, PVC insulation up to 105 °C
-30 °C to 80 °C LiYCY 2 x 0,34 mm2, PVC insulation

Resistence of lead-in cables/ conductor cross section 0,11Ω/m 0,35 mm2; 0,16Ω/m / 0,22 mm2 (2-wire connection)
Weight according to the length of the cable, minimum 0.15 kg

*) Certain technical specifications of thermocouple sensors (lead wires, IP rating, etc.) may differ with different types.

SUPPLEMENTARY DATA

Serie TR 011 Ex
Stem diameter 6 mm, 7 to 10 mm, 12 mm
Stem length 40 to 400 mm
Material of the stem stainless steel DIN 1.4301
Time response τ0,5 < 9 s, τ0,9 ≤ 20 s for stem ⌀ 6 mm
τ0,5 < 14 s, τ0,9 ≤ 35 s for stem ⌀ 7 až 8 mm
τ0,5 < 25 s, τ0,9 ≤ 60 s for stem ⌀ 9 až 10 mm
τ0,5 < 35 s, τ0,9 ≤ 80 s for stem ⌀ 12 mm

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

  • length of the case of the sensor
  • possibility to encase two sensing elements
  • A class of accuracy(with the exception of sensors Ni 10000/5000, Ni 10000/6180, T1 = 2226, thermistor NTC 20 kΩ)

Soubory ke stažení

014.08en.pdf 014.08en.pdf

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CONTACT

SENSIT s.r.o.

Školní 2610, 756 61 Rožnov pod Radhoštěm


+420 571 625 571

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