Russian manufacturer
of instrumentation and control equipment
EN

8 (800) 777 18 50

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  • Tuesday
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  • Wednesday
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  • Thursday
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  • Monday
    09:00-18:00
  • Tuesday
    09:00-18:00
  • Wednesday
    09:00-18:00
  • Thursday
    09:00-18:00
  • Friday
    09:00-18:00
  • Saturday
    Closed
  • Sunday
    Closed

8 (800) 777 18 50

EN
Request a quote

Temperature and humidity converter with relay outputs, Ethernet interface, discrete inputs, and an external probe designed for measurement in environments with pressure up to 2.5 MPa. — H3531P

Available on request
Delivery across Russia
Order phone: +7(800)777-18-50

0 RUB

Description

The converter is equipped with two relay outputs for signaling, indication, or control of external devices, and an external probe with a cable length of 1, 2, or 4 m, designed for measurement in environments with pressure up to 2.5 MPa. It also has three discrete inputs for connecting external devices such as smoke detectors, motion sensors, etc. Delay settings, hysteresis, and sound signal settings are included for each relay. Parameters are easily adjustable via computer or the keypad on the sensor's front panel. The converter is controlled by a microprocessor housed in a durable plastic case with terminal connections. A large two-line LCD display is designed to simultaneously show two parameters. The display can be turned off if necessary.

Recently, temperature and humidity levels have been considered among the most important parameters responsible for indoor climate quality. Especially in buildings and rooms with large gatherings of people, such as conference halls, hospitals, schools, cinemas, theaters, and wellness centers.

With the help of such sensors, engineers, environmental experts, and healthcare specialists can optimize ventilation to create a comfortable and "Healthy" indoor climate.

ATTENTION, the device is currently discontinued.

  • Specifications
  • Overall Drawing
  • Electrical diagram
  • Applications

Specifications

N3531R

Output signal

2x Relay + Ethernet

Temperature

Range

-30 to +105°C

Accuracy

±0.4°C

Relative humidity

(at RH 5-95% and at 23°C)

Range

0 to 100 %RH

Accuracy

±2.5 %RH

Discrete inputs

yes

Sensor power supply voltage

9 - 30 Vdc

Maximum switchable voltage, current and power by relay output

50V, 2A, 60VA

Accuracy and range of dew point temperature measurement

±1.5°C at ambient temp. T<25°C and RH >30%
range -60 to +80 °C

Accuracy and range of absolute humidity measurement

±1.5 g/m3 at ambient temp. <250C, range 0 to 400 g/m3

Accuracy and range of specific humidity measurement

±2.1 g/kg at ambient temp. T < 35°C
range from 0 to 550 g/kg

Accuracy and range of specific enthalpy measurement

±3 kJ/kg at ambient temp. T < 25°C
range from 0 to 995 kJ/kg

Accuracy and range of mixture component ratio measurement

±2 g/kg at ambient temp. T < 35°C
range from 0 to 995 g/kg

Sensor / external sensor protection class

IP40/IP40

Sensor operating temperature range

From -30 to +80°C

External sensor operating temperature range

From -30 to +105°C

Operating humidity range (without condensation)

0 to 100 %RH

Operating atmospheric pressure range

Up to 2.5 MPa

Storage temperature range

From -30 to +80°C

Recommended calibration interval

1 year

Dimensions / Weight

136 x 159 x 45 mm (W x H x D), probe length 150 mm, diameter 18 mm / 450 g

Warranty

3 years

 

Connection diagram with power adapter

Discrete inputs are not galvanically isolated, the +U terminals are internally connected to the power supply device (+U terminals provide the same voltage level as the power supply voltage).

Connection diagram with power supply via Ethernet cable using a PoE splitter

Connecting relay to sensor outputs

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