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PTSV 120 - TEMPERATURE AND HUMIDITY SENSORS FOR USAGE INTO AIR CONDITION DUCTS WITH 4 to 20 mA OUTPUTS

PTSV 120 - TEMPERATURE AND HUMIDITY SENSORS FOR USAGE INTO AIR CONDITION DUCTS WITH 4 to 20 mA OUTPUTS

PTSV 120 - TEMPERATURE AND HUMIDITY SENSORS FOR USAGE INTO AIR CONDITION DUCTS WITH 4 to 20 mA OUTPUTS

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The programmable sensors are intended for temperature measurements and measurements of relative humidity of air in air conditioning ducts. The plastic connection head is provided by the cable ending. Easy mounting of the temperature sensor is ensured by the unique " S head "  design invented by SENSIT s.r.o

Digital conception with microprocessor provides long-term stability of parameters, temperature compensation of the humidity sensing element and failure state signaling. The most up to date polymeric sensing element for humidity guarantees stability of indication and resistance to condensation water.

Two galvanically separated current signals 4 to 20 mA are available as output signals of the measured variables, the outputs are set by the producer as follows:

  • The value on the output 1: relative humidity, range 4 to 20 mA is related to 0 to 100 % RH
  • The value on the output 2: temperature, range 4 to 20 mA is related to -30 to 120 °C

A calibration sheet is included in the sensor price.

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

ACCESSORIES

DECLARATION, CERTIFICATION, CALIBRATION

  • EU 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, as amended) or in an Accredited laboratory.  

Technické parametry

Type of sensor

PTSV 120

Type of sensing element Pt 1000/3850
Analog outputs two galvanically separated signals 4 to 20 mA
Current output in the case of error < 3.8 mA or > 24 mA
Power supply (Vcc) 9 to 30 V DC, maximum ripple 0.5 %
Standard length of the stem 150 mm
Range of temperature measurement* -30 to 125 °C
Accuracy ± 0.4 °C in the range 0 to 100 °C, otherwise 0.4 % of the measuring value
Range of relative humidity measurement** 0 to 100 % RH (the reading is temperature compensated in all temperature range)
Accuracy ± 2.5 % RH in the range 5 to 95 % RH at 23 °C
Ingress protection electronics IP 65 in accordance with EN 60 529 as amended;
sensors are placed behind the cover with ingress protection IP 40 in accordance with EN 60 529, as amended
Dust filter of the sensors filtration efficciency 0.025 mm
Operating temperature range of the device -30 to 80 °C
Operating humidity range of the device 0 to 100 % RH
Working position the measure stem downwards
Elektromagnetic compatibility in according with EN 61326-1, as amended
Storage conditions temperature -30 to 80 °C, humidity 0 to 100 % RH without condensation
Material of the stem stainless steel DIN 1.4301
Weight 225 g
Material of the box POLYAMIDE

*) Maximum temperature is valid only for the measure ending with the sensing elements. At the temperatures above +85 °C the relative humidity in continuous operation must not go over the allowed limit according to the diagram for the range limitation of temperature and humidity measurements.

**) Any kind of value - temperature, relative humidity, temperature of a condensation point, absolute humidity specific humidity, proportion of mixture or specific enthalpy can be assigned to the each output of the 2-output-sensor. The same value can be assigned to the both of outputs, too. The outputs are set by the producer for the maximum range. The range of the outputs can be set by user by means of PC using the cable SP003 which is delivered as optional accessory at extra cost. Other than standard setting outputs (TH, T, Trb, ...) and their ranges is possible - it must be specified in the order.

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

Soubory ke stažení

125.06en.pdf 125.06en.pdf

CONTACT

SENSIT s.r.o.

Školní 2610, 756 61 Rožnov pod Radhoštěm


+420 571 625 571

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