TEMPERATURE SENSORS UP TO 600 °C WITH IP 68

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screw with collet or cutting ringsThese resistance-type sensors are intended for contact measurements of temperatures up to 600 °C. Temperature sensors, in combination with a central holder or thermowell, can be used to measure the temperature in various applications of an industrial environment. The sensor variant with welded thread is ideal for direct measuring of mediums in ducts. The sensors meet the level of protection IP 68 in accordance with EN 60529. The standard operating temperature range is -50 to 600 °C. The sensors can be utilised for any control systems that are compatible with sensing element output signals or output signals quoted in the table of sensing element types.

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

ACCESSORIES

metal central holder K 120
stainless steel thermowell JPTS 641
screw with collet or cutting rings – if different lengths of stem immersion of the temperature sensor are set

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) or in an Accredited laboratory.

Technické parametry

Sensor type with smooth stem Sensor type with welded thread	PTS 641 PTS 661	PTS 645 PTS 665
Type of sensing element	Pt 100	Pt 1000
Measuring range B class	-50 to 600 °C, in a short term to 650 °C
Maximum measuring DC current	3 mA	1 mA

Sensor type with smooth stem Sensor type with welded thread	PTS 651 PTS 671	Note
Type of sensing element	Pt 1000/3850
Output signal	4 to 20 mA
Measuring ranges	-50 to 50 °C 0 to 100 °C 0 to 150 °C 0 to 200 °C 0 to 400 °C 0 to 600 °C	ambient temperature around the connestion head -30 to 70 °C
Power supply (U)	11 to 30 V DC	recommeded value 24 V DC
Load resistance	150 Ω for power supply 12 VDC 700 Ω for power supply 24 VDC
Output signal - sensing element break	> 25 mA
Output signal - sensing element short circuit	< 3.5 mA

OTHER PARAMETERS
Accuracy class	B class according to EN 60751, Δt = ± (0.3 + 0.005\|t\|) in °C
Measuring error (PTS 651, PTS 671)	< 0.6 % of the measuring range, minimum 0.5 °C
Sensor connestion	4-wire
Standard lenght of the stem L1	50, 100, 160, 220, 280, 400 mm
Nominal pressure of the stem	PN 63 (with a thread)
Time response	τ0.5 < 9 s ( in flowing water 0.4 m.s^-1)
Recommended wire cross section	0.35 to 1.5 mm²
Thread types for PTS 661, PTS 663, PTS 665, PTS 671	G 1/2"; M 20 x 1.5; M 27 x 2
Insulation resistance	> 200 MΩ at 500 V DC, 25° ± 3 °C; humidity < 85 %
Ingress protection	IP 68 (1 bar) in accordance with EN 60529, 5 bar/30 min.
Material of the stem	stainless steel DIN 1.4571
Material of connection head	aluminium alloy, LIMATHERM B
Operating conditions	ambient temperature: -30 to 100 °C; -30 to 70 °C with a converter relativive humidity: max. 100% (at the ambient temperature 25 °C) atmospheric pressure: 70 to 107 kPa
Weight	approximately 0.25 kg

MAXIMUM FLOW SPEED OF THE MEASURED MEDIUM - AIR AND WATER VAPOUR / WATER [m.s^-1]
Length of the thermowell/ stem	>60 to 100 mm	>100 to 160 mm	> 160 to 220 mm	> 220 to 400 mm
Values for the version with thread	15 / 1.5	8.0 / 1.0	2.5 / 0.6	0.6 / 0.3

Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.