Precise temperature, humidity, pressure sensor with Ethernet interface
Intelligent online Ethernet sensor is designed for measurement of temperature, barometric pressure, relative humidity, dew point temperature, absolute humidity, specific humidity, mixing ratio or specific enthalpy. Degrees Celsius and Fahrenheit are user selectable. Large dual line LCD for simultaneous display of temperature, pressure or relative humidity or other calculated humidity interpretation is an advantage. Display is possible to switch off. State-of-the-art capacitive polymer sensor ensures excellent long term stability, inertia against water and condensation. Online transmitter is designed for use in non-aggressive environment.
Model T3511P is designed for compressed air measurement up to 25 bars.
APPLICATIONS - online measuring of temperature, humidity, pressure at:
- industrial Ethernet
- rack monitoring
- server rooms
- building management
- building automation
- telecommunication devices
- warehouses
- glasshouses
- manufacturers
- museums, archives, galleries
- air-conditioned rooms
- weather stations
Easy creation of online data acquisition system from Ethernet sensors by using new low cost database software Comet DBS Sensor Monitor - see also Accessories.
There are the following options of alarm indication:
ALARM INDICATION OPTIONS | |
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E-mail: | In case of alarm creation warning e-mail message is sent to addresses defined by the user (maximum three addresses) or via e-mail to SMS message. Basic SMTP autentization is supported. |
SNMP: | In case of exceeding of adjusted temperature, humidity, pressure + computed value limits alarm is activated and warning trap is sent to user specified IP addresses (maximum 3 addresses). |
WWW pages: | In case of exceeding of adjusted temperature, humidity, pressure + computed value limits active alarm is displayed on www page. |
syslog: | Online transmitter enables to send text messages to selected syslog server after different events appear. E.g. after transmitter restart, alarm activation, communication error with SNTP, after firmware change, after alarm termination, after communication error with SOAP server. |
TECHNICAL PARAMETERS OF THE ONLINE SENSOR | |
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Operating relative humidity range: | 0 to 100% |
Accuracy of relative humidity measurement: | ±2.5% relative humidity from 5 to 95% at 23°C |
Temperature measurement accuracy: | ±0.4°C |
Available temperature units: | degrees Celsius, Fahrenheit |
Accuracy and range of dew point temperature: | ±1,5°C at ambient temperature T<25°C and RH>30%, range -60 to +80 °C |
Accuracy and range of absolute humidity: | ±3g/m3 at ambient temperature T < 40°C range 0 to 400 g/m3 |
Accuracy and range of specific humidity: | ±2g/kg at ambient temperature T < 35°C range 0 to 550 g/kg |
Accuracy and range of mixing ratio: | ±2g/kg at ambient temperature T < 35°C range 0 to 995 g/kg |
Accuracy and range of specific enthalpy: | ±3kJ/kg at ambient temperature T < 25°C range: 0 to 995 kJ/kg |
Accuracy and range of barometric pressure output: | ± 1.3hPa at 23°C range: 600 to 1100hPa |
Supported pressure units: | hPa, kPa, mbar, mmHg, inHg, inH2O, PSI, oz/in^2 |
Temperature operating range of case with electronics: | -30 to +80°C |
Temperature operating range of LCD display: | readable to operating temperature +70°C, it is recommended to switch OFF the LCD over +70°C |
Range of RH sensor temperature compensation: | -30 to +105°C |
Filtering ability of sensor cover: | 0.025mm - filter with stainless steel mesh |
Protection: | IP30 electronics, IP40 sensors |
LAN connection: | RJ-45 connector |
Power: |
9-30Vdc, maximum consumption 1W. For power over Ethernet any PoE splitter is necessary - e.g. DWL-P50 from D-Link company |
Power connector: | co-axial, diameter 5.5 x 2.1 mm |
Dimensions of the case (W x H x D): |
88 x 73 x 39,5 mm |
Warranty: | two years |
Type | Measured value | Maximum range of temperature measurement | Note |
---|---|---|---|
T4511 |
temperature | -200 to +600°C |
Temperature transducer for RTD Pt1000probes (not included). Accuracy of the input without probe +/-0,2°C |
T3511 |
temperature humidity |
-30 to +105°C* probe including cable |
Thermometer-hygrometer. T+RH probe with 1m cable. Cable lengths 2m or 4m available optionally. Mechanical drawing |
T3511P |
temperature humidity |
-30 to +105°C* probe including cable |
T+RH probe from hard anodized duralumin with 1m cable. Cable lengths 2m or 4m available.
Compressed air up to 25bars.
|
T7511 |
temperature humidity barometric pressure |
-30 to +105°C* probe including cable
Pressure: 600 to 1100hPa accuracy: +/-1,3hPa at 23°C |
Thermometer-hygrometer-barometer. T+RH probe with 1m cable. Cable lengths 2m or 4m available optionally. Pressure sensor is located in the control unit with display. Reading and pressure output in these units: hPa, kPa, mbar, mmHg, inHg, inH2O, PSI, oz/in^2. Barometer enables to measure sea level pressure by setting of correction to altitude above sea level. Mechanical drawing |
T2514 |
barometric pressure |
600 to 1100hPa accuracy: +/-1,3hPa at 23°C |
Barometer. Reading and pressure output in these units: hPa, kPa, mbar, mmHg, inHg, inH2O, PSI, oz/in^2. Barometer enables to measure sea level pressure by setting of correction to altitude above sea level. |
Ethernet thermometer T0510 |
* Relative humidity at temperature over +85°C is limited in accordance with the graph. Near plastic case with electronics and probe cable maximum temperature is +80°C.
Figure: Working range of Ethernet sensor
Figure:
T3511P humidity probe for compressed air up to 25 bars
- hard anodized duralumin, stainless steel mesh filter moulded in polycarbonate
Figure: Flow chamber SH-PP for compressed air measurement up to 25 bars - stainless steel
Included accessory:
Traceable calibration certificate from the manufacturer, instruction manual.
Calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.
Example of calibration certificate.
TSensor - freeware for online configuring of the transmitter is ready to download.
SensorReader - freeware for online logging values from one transmitter to a PC disk file is ready to download. Program enables to alarm acoustically the PC user if adjusted alarm limits are exceeded. Recorded values in CSV format are easy to process in e.g. Excel. Program can be started several times on a computer at the same time to monitor values from several transmitters.
For acquiring values from several transmitters, also third party software is possible to use. Tested functionality is with programs:
LabVIEW from National Instruments, by means of the free Modbus Library for LabVIEW.
For viewing of actual values and graphs from Tx5xx transmitters following example of application was created in LabVIEW 8.5 :
Tx5xx-Ethernet.vi
TIRS.NET - transmitters are also directly supported by program TIRS.NET from Coral s.r.o. company. Please download demo enabling full work with transmitters.
Tested functionality is also with programs
ControlWeb,
EasyView.
For record of values to graphs via web interface, project Cacti
www.cacti.net
is available.
OPTIONAL ACCESSORY | ||
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DBS |
Database program DBS Sensor Monitor for online data acquisition and analysis from Comet sensors. It contains all necessary components for monitoring of sensors, including one licence of DBV Database Viewer.
More information on online data acquisition. |
|
F5200 | grey sensor cover with filter from stainless steel mesh, filtering ability 0,025mm | |
F5200B | black sensor cover with filter from stainless steel mesh, filtering ability 0,025mm | |
F0000 | sintered bronze sensor cover. Filtering ability 0.025mm. | |
MP046 | universal holder for Tx51x, P85xx transmitters for easy mounting to rack 19" | |
MP047 |
universal holder for probes for easy mounting to rack 19" (probes not included) |
|
PP4 | flat plastic circular flange for duct mounting | |
PP90 | right-angled stain-less steel flange for wall mounting | |
SP004 | plastic gland for direct mounting of the humidity probe to a 29 mm diameter hole | |
MD036 | self adhesive Dual Lock for easy installation | |
F8000 | Solar radiation shield for transmitters T3511, T7511 with T+RH probe on a cable | |
SH-PP |
Flow chamber for compressed air measurement up to 25 bars - stainless steel DIN 1.4301
inlet and outlet connection - G1/8 thread humidity probe connection - G1/2 thread screw-coupling not included |
|
A1515 | adapter 100 to 240Vac/12Vdc | |
DWLP50 |
DWL-P50 Power over Ethernet (PoE) adapter from company
D-Link.
The adapter is supposed to be connected to Ethernet switch supporting PoE. |
|
accessory for calibration and adjustment of humidity by the user |
Software and firmware for transmitters
You can downlaod configuration programs and updated firmware from page Download - transmitters and transducers.
Low cost Ethernet thermometers without display | Compact Ethernet sensors | ||
Ethernet sensors with relay outputs |
Data sheet in pdf format
Declaration of conformity in pdf format