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dataloggers, thermometers, hygrometers...
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Compressed-air thermometer hygrometer with Ethernet interface and relays

Compressed-air ambient humidity, temperature Ethernet sensor with two relay outputs. T+RH probe from hard anodized duralumin for compressed air up to 25 bars with cable. Humidex reading.

Sensor H3531P is designed for online monitoring of temperature, relative humidity of air without aggressive substances. Three binary inputs to detection of two-states signals are the advantage. Other devices are controlled by two relay outputs.

High precision capacitive polymer sensor ensures excellent long term calibration stability and ultimate accuracy. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio and specific enthalpy.

The device is supplied with T+RH probe with 1m cable. Cable lengths 2m or 4m available optionally.

Processing and analysis of measured data:

 

  • code
    H3531P
  • Warranty
    3 years
  • $951

Technical data

Measured value

Temperature
Relative humidity
Counted values (dew point…)
Two-state signal

TEMPERATURE SENSOR

Measuring range -30 to +105 °C
Accuracy ±0.4 °C
Resolution 0.1 °C

HUMIDITY SENSOR

Measuring range 0 to 100 % RH
Accuracy ±2.5 % RH from 5 to 95 % at 23 °C
Resolution 0.1% RH

DEW POINT

Measuring range -60 to +80 °C
Accuracy ±1.5°C for dew point temperature +10°C and higher at ambient temperature +25°C
±2.0°C for dew point temperature 0°C at ambient temperature +25°C
±3.0°C for dew point temperature -10°C at ambient temperature +25°C
±6.0°C for dew point temperature -20°C at ambient temperature +25°C
Resolution 0.1 °C

MEASURING THE MOISTURE OF COMPRESSED AIR

Measuring range up to 25 bars
Air flow velocity up to 25 m/s at a pressure of 1 bar (1m/s at a pressure of 25 bar)

RELAY OUTPUTS

Quantity 2
Maximal voltage 50 V
Maximal current 2 A
Maximal power 60 VA

BINARY INPUTS

Quantity 3
Signal for binary inputy dry contact, open collector or two-state voltage signal.
Inputs are not galvanically isolated.
Minimum pulse duration on binary input 500 ms
Voltage across open contact < 3,3 V
Low voltage level 0 to +0,5 V
High voltage level +3,0 to +30 V

GENERAL TECHNICAL DATA

Operating temperature -30 to +80 °C
Channels 1x connectable temperature+humidity probe
Acoustic alarm from built-in beeper - switchable
Counted values humidex, dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy
Output Ethernet
Measuring interval 2 s
Range of humidity sensor temperature compensation all temperature range
Available temperature units degrees Celsius, degrees Fahrenheit
Communication protocol WWW, ModbusTCP, SNMPv1, SOAP, XML
Alarm protocols E-mail (SMTP authentication is supported), SNMP Trap, Syslog
Power 9-30 Vdc
Protection class IP40
Dimensions 136 x 159 x 45 mm; length/diameter of external probe 150/18 mm
External probe cable length 1 meter
Weight approx. 410 g
Warranty 3 years

Features

Applications:

Aplikace - Sklady

Production facilities and warehouses - Monitoring of storage conditions and production processes in the temperature range -200 ° C to + 600 ° C. Sending data to COMET Database or SCADA third-party systems.

Aplikace - Serverovny a datová centra

Data centers, server rooms - Temperature and humidity monitoring, data center monitoring, RACK stands, including flood status reports, opening / closing of doors (windows), motion, smoke. SNMP monitoring, remote alarms by email and Syslog.

Aplikace - Zdravotnictví a laboratoře

Healtcare and laboratories - -200 °C.

Aplikace - Průmysl

Industry and production - monitoring temperature and humidity in food, pharmaceutical, aerospace etc.

Aplikace - Sklady

Food industry - Monitoring of critical processes according to the HACCP standard with the possibility of prompt notification of unforeseen events that could lead to the degradation of the goods.

 

Features description:

* the features may vary depending on the device type
● accurate measurement of Temperature, Relative humidity, Dew point, Atmospheric pressure, CO2, Two-state events
● communication protocols SNMP, Modbus TCP, SOAP, XML
● webserver to display current and recorded values
● alarm indication via email
● selected models with PoE
● data analysis in COMET Database software
 
Záruka 3 roky Kalibrační listCOMET Database Teplotní čidlo Teplotní čidlo Teplotní čidlo Tlakové čidlo Rosný bod Humidex Reléové výstupy
 
Dvouřádkový LCD displej Akustická signalizace Ethernetové rozhraní Power over Ethernet - PoE WWW server WWW server Historie uložených hodnot Historické grafy E-mail Export historických dat do CSV
 
Modbus TCP protokol Aktuální hodnoty pomocí XML SNMP protokol SNMP Trap SOAP Protokol Syslog protokol SNTP protokol - časová synchronizace Paměť MIN/MAX hodnot
 

Optional accessories and download

Other accessories

ac/dc adapter 120Vac to 12Vdc/0.5A

ac/dc adapter 120Vac to 12Vdc/0.5A

code A1515
Price $16
In stock on request
Holder for mounting the COMET Transmitter on magnetic surfaces

Holder for mounting the COMET Transmitter on magnetic surfaces

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Flow chamber for compressed air measurement up to 25 bars

Flow chamber for compressed air measurement up to 25 bars

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In stock on request
Wall holder for external probes DIGIL

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plastic sensor protection with stainless filter (black)

plastic sensor protection with stainless filter (black)

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In stock on request
PTFE sensor protection, white

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Magnetic door contact with cable length 15m

Magnetic door contact with cable length 15m

code SA200A-15
Price $48
In stock on request
Magnetic door contact with cable length 2m

Magnetic door contact with cable length 2m

code SA200A-2
Price $16
In stock on request
Magnetic door contact with cable length 20m

Magnetic door contact with cable length 20m

code SA200A-20
Price $58
In stock on request
Magnetic door contact with cable length 30m

Magnetic door contact with cable length 30m

code SA200A-30
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In stock on request
Magnetic door contact with cable length 5m

Magnetic door contact with cable length 5m

code SA200A-5
Price $27
In stock on request
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Monitoring software

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Software

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download-icon Database Viewer 3.15.0.0 dbapi 20.0
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download-icon TSensor (3-3-9-0)
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download-icon Conversions - application for recalculation of values
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Manuals

download-icon Quick Start Manual
1.04 MB
download-icon Declaration of Conformity
61.03 KB
download-icon COMET Cloud security
284.19 KB
download-icon How to add WebSensor to COMET Cloud
509.85 KB
download-icon MIB
540.52 KB

Catalogs

download-icon CATALOG - WebSensors with Ethernet output and relay Catalog
1.93 MB

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