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CONTACT TEMPERATURE SENSORS WITH A PLASTIC CONNECTION HEAD

CONTACT TEMPERATURE SENSORS WITH A PLASTIC CONNECTION HEAD

CONTACT TEMPERATURE SENSORS WITH A PLASTIC CONNECTION HEAD

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These resistance-type sensors are intended for contact surface temperature measurement. The sensors, which are available including the fastening strap and a closing device are suitable for temperature measurements on piping. The plastic connection head is provided with a cable outlet ending (the terminal board is placed in the connection head) or a connector. the standard operating temperature range is -50 to 130 °C. The proper sensing element is constructed to be isolated from the ambient influence. 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. Easy mounting of the temperature sensor is ensured by the unique “S head” design invented by SENSIT s.r.o.

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

ACCESSORIES For the version with connector:

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
(K - with connector)
NS 140
NS 140K
NS 141
NS 141K
NS 142
NS 142K
NS 340
NS 340K
NS 341
NS 341K
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


Sensor type
(K - with connector)
NS 143
NS 143K
PTS 140
PTS 140K
PTS 240
PTS 240K
PTS 340
PTS 340K
HS 140
HS 140K
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 *)

*) maximum power consumption

Sensor type
(K - with connector)
NS 540
NS 540K
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
0 to 35 °C
0 to 100 °C
0 to 150 °C
-30 to 60 °C
0 to 35 °C
0 to 100 °C
0 to 150 °C
ambient temperature around the connection head -30 to 70 °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
700 Ω for power supply 24 VDC
> 10 kΩ
Output signal
-sensing element break
> 24 mA > 10.5 V
Output signal
- sensing element short circuit
< 3.5 mA ~ 0 V

**)According to the customer‘s requirement, it is possible to provide a customized measuring 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)

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
-sensors with the grommet
0.35 to 1.5 mm2
Type of connector in the head
-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

*) The temperature sensor´s measurement error is dependent on the influence of ambient temperature, environmental variables and the characteristics of the measured surface (error of method).

**) It is recommended to apply heat-conducting paste or silicon grease to the measured surface, which will ensure faster response time and minimise the measurement error of the contact temperature sensor.

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

  • option of encasing two sensing elements  
  • option of encasing non-standard tempeature sensors (DALLAS, TSic, KTY, SMT, etc.)  
  • accuracy class A (with the exception of sensors Ni 10000/5000, Ni 10000/6180, T1 = Ni 2226, termistor NTC 20 kΩ)
  • option of three- or four- wire connection
  • various length og the fastening strap
  • possibility of providing custom temperature ranges for temperature sensors with converter

Soubory ke stažení

011.19en.pdf 011.19en.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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