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TEMPERATURE SENSORS FOR OUTDOOR USE WITH DISPLAY

Description and application

TEMPERATURE SENSORS FOR OUTDOOR USE WITH DISPLAY

 These resistance temperature sensors with display are designed for contact temperature measurement of gaseous substances in outdoor or industrial areas. The temperature sensing element is located in a metal stem of length of 25–50 mm. The plastic head of the temperature sensor with display is equipped with a cable grommet or a connector; the measured temperature is indicated on the 4-digit display located under the transparent cap of the head. The temperature sensors with display can be used for any control systems compatible with output signals listed in the table of technical parameters.

The maximum temperature range for current loop setting of the temperature sensors with display is -50 to 150 °C. Within this range, the required operating temperature ranges may be programmed, while the minimum difference between the lower and upper limit of the temperature range is 10 °C. The temperature range of measurement with the temperature sensor with display and, at the same time, the maximum temperature around the head is -30 to 70 °C and must not be exceeded even for a brief period. The temperature sensors with display meet ingress protection IP 65 according to EN 60 529. The temperature sensors with display are easy to be installed thanks to the unique design of "S-head" made by SENSIT s.r.o.

The sensors are designed to be operated in a chemically non-aggressive environment, the use must be chosen with regard to temperature resistance of the head and the metal cases.

ACCESSORIES

  • ELKA 4012 connector
  • Connection cables with the direct RKT connector or rectangular RKWT

DECLARATION, CERTIFICATION, CALIBRATION

  • EC Declaration of Conformity – in accordance with Act 22/1997 Coll. on technical requirements on products as amended.
  • 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
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Sensor type
(K - with a connector)
NSD 510A
NSD 510AK
NSD 710A
NSD 710AK
Output signal
4 to 20 mA 0 to 10 V
Type of sensing element Pt 1000/3850, accuracy class B (± 0.3 + 0.005 x | t | ) in °C
Measuring range adjustable
Max. temperature range -50 °C to 150 °C
Measurement error
0,8 % from the range, at least 0.5 °C
Display screen 4-digit, LED, character dimension 7.62 × 4.22 mm
Supply voltage U 15 to 30 VDC
Nominal voltage Un 24 V
Load resistance > 50(U - 14)Ω > 50 kΩ
Current/voltage when the sensor is interrupted > 24 mA > 12 V
Current/voltage when the sensor is
short-circuited
< 3 mA ~ 0 V
Material of the head
POLYAMID
Dimension of the head 70 x 63 x 34 mm
Wire cross-section 0.35 až 1.5 mm2
Ingress protection
IP 65 in accordance with EN 60 529
Cable connection Through the grommet M 16 × 1.5 / through the connector LUMBERG M12
Ambient temperature around the head -30 to 70 °C
Electric strength 500 V / 50 Hz in accordance with EN 60 730-1

Other parameters
Length of the stem
50 mm for NSD 510A and NSD 510AK
25 mm for NSD 710A and NSD 710AK
Diameter of the stem
6 +0,2 mm
Material of the stem
stainless steel DIN 1.4301
Insulation resistance min 200 MΩ at 500 VDC, at the temperature from 15 °C to 35 °C and at maximum relative humidity of 80%
Maximum measurement range -30 to 70 °C

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

Test report - EN 50 121-3-2
Test report - EN 50 121-3-2Test report - EN 50 121-3-2
Schéma zapojení
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