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FAST RESPONSE TEMPERATURE SENSORS WITH A METAL CONNECTION HEAD

Description and application

FAST RESPONSE TEMPERATURE SENSORS WITH A METAL CONNECTION HEAD

These resistance-type sensors are intended for contact temperature measurements of liquid or gaseous substances. The structure of the sensor’s stem enables the sensor to be used for direct measuring of the temperature in ducts and also ensures quick response of the sensor to changes in temperature. The standard operating temperature range is -30 to 130 °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.

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.  

 


  • Specifications
  • Wiring diagram
  • Dimensional draft
  • Přiložené soubory
Sensor type NK 160 NK 161 NK 162
Type of sensing element Ni 1000/5000 Ni 1000/6180 Ni 891
Measuring range -30 to 130 °C (connection head ambient temperature -30 to 100 °C)
Maximum measuring DC current 1 mA 1 mA 1 mA

Sensor type PTK 160 PTK 260 PTK 360 HS 160
Type of sensing element 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) -30 to 130 °C
Maximum measuring DC current 3 mA 1,5 mA 1 mA 10 mW *)

*) maximum power consumption

Sensor type NK 560 Note
Type of sensing element Pt 1000/3850
Output signal 4 to 20 mA
Measuring ranges -50 to 50 °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 recommended 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
> 24 mA
Output signal
- sensing element short circuit
< 3.5 mA

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 560 < 0.6 % of the measuring range, minimum 0.5 °C
Sensor connection according to the wiring diagram
Standard lenght of stem L1 50, 100, 160, 220 mm
Diameter of the stem 4 ± 0.1 mm
Standard thread G 1/2"
Nominal pressure of the stem PN 25
Time response τ0,5 < 4 s (in flowing water at 0.4 m.s-1)
Recommended wire cross section
0.35 to 1.5 mm2
Insulation resistance > 200 MΩ at 500 V DC, 25° ± 3 °C; humidity < 85 %
Ingress protection IP 54 in accordance with EN 60529
Material of the sensor stem stainless steel DIN 1.4301
Material and type of connection head aluminium alloy, LIMATHERM MA
operating conditions ambient temperature:-30 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

MAXIMUM FLOW VELOCITY OF THE MEASURED MEDIUM - AIR AND WATER VAPOUR / WATER [m.s-1]
Length of the stem up to 60 mm > 60 to 100 mm >100 to 160 mm > 160 to 220 mm
Values for diameter of the stem 4 mm 8 / 0.8 6 / 0.6 3.2 / 0.4 1.0 / 0.25

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

Datasheet - FAST RESPONSE TEMPERATURE SENSORS
Datasheet - FAST RESPONSE TEMPERATURE SENSORSDatasheet - FAST RESPONSE TEMPERATURE SENSORS
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