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SD 162 - FAST RESPONSE TEMPERATURE SENSORS WITH A PLASTIC HEAD AND A DIGITAL OUTPUT

SD 162 - FAST RESPONSE TEMPERATURE SENSORS WITH A PLASTIC HEAD AND A DIGITAL OUTPUT

RS 485 (MODBUS)

SD 162 - FAST RESPONSE TEMPERATURE SENSORS WITH A PLASTIC HEAD AND A DIGITAL OUTPUT
On request

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This fast response temperature sensor with a plastic head and a digital output RS 485 / MODBUS RTU - SD 162 is designed for contact temperature measurement of liquid and gaseous substances. The stem design allows the sensor to be used for direct temperature measurement in pipelines and at the same time it provides a fast sensor response to changes in temperature. The temperature sensors are easy to install thanks to the unique “S-head” design of the SENSIT s.r.o. company.

The sensors consist of a plastic head and a metal case, where the sensing element for temperature measurement (sensor) is placed. Part of the metal case is a fitting with a standard G ½“ thread. In the head, there is a terminal block with a converter located, to which a supply cable for sensor supply and digital output signal according to the sensor type is connected through a cable grommet or a connector.

SD 162, SD 162K – MODBUS/RTU communication protocol, communication via the RS485 bus

The temperature range of sensor use is defined in the table of technical parameters for the individual versions of sensors. The sensors meet the ingress protection of IP 65 according to EN 60529, as amended.

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

ACCESSORIES

DECLARATION, CERTIFICATES, CALIBRATION

  • Manufacturer provides EU Declaration of Conformity.
  • Calibration – The entire production passes through a final metrological inspection, which is carried out by comparing with standards or working measuringm instruments. Continuity of the standards and working measuring instruments is ensured within the meaning of Section 5 of Act No. 505/1990 on Metrology. The manufacturer offers to supply the sensors calibrated in the SENSIT s.r.o. laboratory (according to requirements of the EN ISO/IEC 17025 standard, as amended) or in an accredited laboratory.

 

Technické parametry

Sensor type
(k - with connector)
SD 162
SD 162K
Output signal
RS 485 / MODBUS RTU
Measuring range *)
-50 to 130 °C
Accuracy of the electronics
± 0.2 °C
Type / Accuracy of the sensing element

Pt 1000 / ± (0.3 °C + 0.0005|t|)

Supply voltage (U) 15 to 30 V DC
Rated supply voltage (Un)
24 V DC
Consumption / Supply current
maximum: 500 mW
typical: 300 mW
Working conditions
ambient temperature: -30 to 100 °C
relative air humidity: max. 100%
atmospheric pressure: 70 to 107 kPa
Ingress protection IP 65 in accordance with EN 60529, as amended
Time response
τ0.5 < 4 s (0.2 m/s-1 in running water)
Standard lenght of the stem 50, 100, 160, 220 mm
Diameter of the stem
4 ± 0.1 mm
Material of the stem
stainless steel DIN 1.4301
Standard thread type
G 1/2"
Resistance to pressure
(impact on the stem with the medium)
PN 25
Insulation resistance > 200 MΩ at 500 V/DC, 25°C ± 3 °C; humidity < 85 %
Dimensions of the connection head 70 × 63 × 34 mm
Material of the connection head POLYAMIDE
Connector type in the head
(for sensors with a connector)
RSFM4 - M12- Lumberg
Recommended wire cross-section
(for sensors with a grommet)
0.14 to 1 mm2
Weight min. 200 g

*) By extending the stem length by 60 mm above the thread, the sensors can be used up to 200 °C.

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

 

Rozměrový náčrt

Schéma zapojení

Modifikace

  • accuracy class A for temperature sensing elements of SD 122A, SD 122AK, SD 124A, SD 124AK sensors
  • variable stem design in the area - L1 length, material, diameter
  • change of thread type
  • by increasing the diameter of stem to a minimum of 6 m, it is possible to realize also the following versions:  
    SD 165A, SD 165AK    DS 18B20 digital temperature sensor,
                                          communication via the 1 - Wire bus
    SD 166A, SD 166AK    TSiC 206, 506 and 716 digital temperature sensors,
                                         ZACWire communication protocol

Soubory ke stažení

108.01en.pdf 108.01en.pdf

CONTACT

SENSIT s.r.o.

Školní 2610, 756 61 Rožnov pod Radhoštěm


+420 571 625 571

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