CONTACT TEMPERATURE SENSORS WITH A PLASTIC CONNECTION HEAD

These resistance temperature sensors are designed for contact measurement of surface temperature. The sensors are supplied with a mounting tape and a cap and are suitable for measuring temperature on pipes. The plastic head is equipped with a cable gland (the head has a terminal block) or a connector. The standard temperature range of the sensors is -50 to 130 °C. The sensor itself is isolated from the influence of the environment due to its design. The sensors can be used for all control systems that are compatible with the sensor types or output signals listed in the table of technical parameters. Easy installation of the temperature sensors is ensured thanks to the unique design of the ” S head “

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Sensor type*	NS 140(K)	NS 141(K)	NS 142(K)	NS 340(K)	NS 341(K)
Type of sensing element	Ni 1000/5000	Ni 1000/6180	Ni 891	Ni 10000/5000	Ni 10000/6180
Measuring range	-50 to 130 °C (connection head ambient temperature -30 to 100°C)
Maximum measuring DC current	1 mA	1 mA	1 mA	0,3 mA	0,3 mA

*K – with sensor

Sensor type*	NS 143(K)	PTS 140(K)	PTS 240(K)	PTS 340(K)	HS 140(K)
Type of sensing element	T1 = Ni 2226	Pt 100/3850	Pt 500/3850	Pt 1000/3850	thermistor NTC 20 kΩ
Measuring range	-50 to 130 °C (connection head ambient temperature -30 to 100°C)
Maximum measuring DC current	0.7 mA	3 mA	1,5 mA	1 mA	1 mW *)

*K – with sensor

Sensor type*	NS 540(K)		Note
Type of sensing element	Pt 1000/3850	Pt 1000/3850	–
Output signal	4 to 20 mA	0 to 10 V	–
Measuring ranges **)	-50 to 50 °C	-30 to 60 °C	ambient temperature around the connection head -30 to 70 °C
	-30 to 60 °C	0 to 35 °C
	0 to 35 °C	0 to 100 °C
	0 to 100 °C	0 to 150 °C
	0 to 150 °C
Power supply (U)	11 to 30 V DC	15 to 30 V DC	recommended value 24 V DC
Load resistance	150 Ω for power supply 12 VDC	> 10 kΩ	–
Load resistance	700 Ω for power supply 24 VDC	> 10 kΩ	–
Output signal	> 24 mA	> 10.5 V	–
-sensing element break	> 24 mA	> 10.5 V	–
Output signal	< 3.5 mA	~ 0 V	–
– sensing element short circuit	< 3.5 mA	~ 0 V	–

	OTHER PARAMETERS
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 60751, Δt = ± (0.3 + 0.005\|t\|) in °C
	NTC 20 kΩ: ± 1 °C for the range 0 to 70 °C
Measuring error for NS 540(K), NS 740(K) ), *)	< 0.6 % of the measuring range, minimum 0.5 °C
Sensor connection	according to the wiring diagram
Time response	τ0,5 < 13 s (on smooth surfaces without paste)
Recommended wire cross section	0.35 to 1.5 mm2
-sensors with the grommet	0.35 to 1.5 mm2
Type of connector in the head	RSFM4 – Lumberg
-sensors with connector	RSFM4 – Lumberg
Insulation resistance	> 200 MΩ at 500 V DC, 25° ± 3 °C; humidity < 85 %
Ingress protection	IP 65 in accordance with EN 60529
Material of the case	brass
Material of connection head	POLYAMIDE
Standard strap length	40 cm
Minimum pipe diameter	20 mm
Operating conditions	ambient temperature:
	-50 to 100 °C; -30 to 70 °C with a converter
	relative humidity: max. 100 % (at the ambient temperature 25 °C)
	atmospheric pressure: 70 to 107 kPa
Weight	approximately 0.15 kg