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View Temperature + Humidity with a Web Browser
The OMEGA® iTHX transmitter lets you monitor and record Temperature,
Relative Humidity and Dew Point over an Ethernet network or the Internet with no
special software except a Web browser.
The OMEGA® iTHX serves Active Web Pages to display real time readings,
display charts of temperature and humidity, or log data in standard data
formats for use in a spreadsheet or data acquisition program such as Excel or
Visual Basic.
Adjustable Charts
The JAVA™ Applet chart scales are fully adjustable on the fly. For example,
the chart can display one hour, one day, one week, one month or one year.
Temperature and humidity can be charted across the full span (-40 to 124°C
[-40 to 257°F], and 0 to 100% RH) or within any narrow range such
as 20 to 30°C (68 to 86°F).
The virtual chart viewed on the web page is a JAVATM Applet that records a chart over the LAN or
Internet in real time. With the OMEGA® iTHX , there is no need to
invest time and money learning a proprietary software program to log or chart the data.
Display and Chart Two Channels
(models iTHX-W and iTHX-2 only)
The iTHX transmitters come complete with a temperature and humidity probe for measurement of a single location.
With the addition of a second probe, the iTHX transmitter can measure and display humidity, temperature and dew
point in a second location up to twenty feet away.
The transmitter can display and chart absolute measurements in both locations,
or a differential measurement between the two locations. The second probe requires
no change to the basic iTHX transmitter hardware, firmware or software.
A second probe can be added at the time of purchase or in the future. OMEGA offers a choice of
industrial probes in 2" and 5" lengths, and a wand style for ambient indoor applications.
A simple DB-9 "Y" connector is available for adding a second probe to model iTHX-W.
No connector is required to add a second probe to the DIN rail mounted iTHX-2.
(Dual channel measurement is available on model iTHX-W and iTHX-2 only; it is not
available on model iTHX.)
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Display of Two Channels on
Read Sensor Web Page
Industrial Probes:iTHP-5 and iTHP-2
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Award-Winning Technology
The OMEGA® iTHX is simple to install and use, and features OMEGA's award-winning
iServer technology that requires no special software except a Web Browser.
The iTHX connects to an Ethernet Network with a standard RJ45 connector and sends data in
standard TCP/IP packets. It is easily configured with a simple menu using a Web Browser and
can be password protected. From within an Ethernet LAN or over the Internet, the user simply
types its IP address or an easy to remember name such as "Cleanroom 5" or "Midwest Server Room"
in any Web Browser, and the iTHX serves a Web Page with the current readings
Typical Applications
The OMEGA® iTHX is great for monitoring temperature + humidity in applications such as:
clean rooms, computer rooms, HVAC systems, pharmaceutical and food processing and storage,
hospitals, laboratories, semiconductor fabs, electronic assembly, warehousing, museums,
manufacturing, greenhouses, farm animal shelters, and many more.
The iTHX comes complete with one temperature/humidity probe, however
users may purchase an additional probe for two-channel monitoring and
differential measurement.
NEW iTHX-M with Flash Memory and LCD Display
The OMEGA® iTHX with LCD display, adds several valuable features in addition to the backlit local display of
temperature and humidity. The "MEMORY" model comes complete with a removable 2-MEGABYTE Flash Memory card that can store
one full year of readings taken at one-minute intervals (or two months of readings taken at ten second intervals).
Up to four years of temperature + humidity readings can be stored on the 8 Mbyte card. With data
being recorded in the built-in nonvolatile flash memory, a failure on the Ethernet network will not
interrupt the data record.
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Alarm Relays
The OMEGA® iTHX features two 1.5 Amp relays. With the easy Web-based setup page, the two relays can be
programmed for any combination of temperature or humidity, and high or low set points.
The relays can also be programmed to remain latched and require a manual reset if a limit is exceeded.
Email Alarms
In addition to the mechanical alarm relays, all OMEGA iTHX models that are on a LAN that
is connected to the Internet can trigger an alarm that can be sent by email to a user or a
distribution list anywhere in the world, including an Internet enabled pager or cell phone.
Battery Backup
The OMEGA® iTHX comes with an ac adapter. A standard 9 Volt
Alkaline battery (also included) allows
the device to log data for up to 10 days without external ac power. In locations without
power or network accessibility, the iTHX-M continues logging data to its flash memory. The stored data can later be downloaded over the Ethernet.
OMEGA iServer products are designed and manufactured in the U.S.A.
Specifications
Sensor Specifications
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Relative Humidity (RH)
Accuracy/Range: ±2% for 10 to 90%
±3% for 0 to 10% and 90 to 100%
Non-linearity: ±3%
Hysteresis: ±1% RH
Response Time: 4 sec. (63% slowly moving air)
Repeatability: ±0.1%
Resolution: 0.03%, 12 bit
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Temperature(T)
Accuracy/Range*:
Wand Probe:
±0.5°C ( ±1°F) 0°C to 70°C (32°F to 158°F)
Industrial Probe:
±0.5°C for 0 to 80°C (±1°F for 32 to 176°F)
±1°C for -40 to 0 and 80 to 124°C
(±2°F for -40 to 32 and 176 to 254°F)
*Note: extended temperature range is for Industrial probe only, the iServer's operating temp. is 0-70 °C.
Response Time: 5 sec. (63% slowly moving air)
Repeatability: ±0.1°C
Resolution: 0.01°C, 14 bit
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Physical Dimensions
Wand Probe iTHP-W-6:
19.1mm Diameter x 198mm Long (0.75" x 7.8")
Cable with DB9 connector: 152mm Long (6")
Cable operating temperature: 0 to 80°C (32 to 176°F)
Industrial Probe iTHP-2, iTHP-5:
16mm Diameter x 51mm Long (0.63" x 2") or
16mm Diameter x 137mm Long (0.63" x 5")
Cable with DB9 connector or stripped wire leads: 0.9m Long (3') or
Cable with DB9 connector or stripped wire leads: 3m Long (10')
Cable operating temperature: -40 to 124°C (-40 to 257°F)
iServer Specifications
Interfaces
Ethernet: 10Base-T (RJ45)
Sensor: Digital 4-wire (DB-9) for iTHX-W, iTHX-M; (8 pos. screw terminal) for iTHX-2
Supported Protocols
TCP/IP, UDP/IP, ARP, ICMP, DHCP, DNS, HTTP, and Telnet
Indicators (LED's)
Network Activity, Network Link, Transmit and Receive/Diagnostics
LCD Display
16 Digits 6mm (0.23 in.) for iTHX-M
Memory
512 Kbytes Flash, 16 Kbytes SRAM
Memory Data Flash Card
2 M bytes: 2 months of data storage at 10 seconds logging intervals
or 1 year at 1 minute intervals for iTHX-M
Relay Outputs
Two Relays 1.5A @ 30 Vdc for iTHX-M
Management
Device configuration and monitoring through embedded WEB server (Fig.1)
Embedded WEB Server
Serves WEB pages containing real-time data (Fig. 2)
and live updated charts within definable time intervals (Fig. 3).
Power
Input: 9-12 Vdc iTHX-W, iTHX-M; 10-32 Vdc iTHX-2
Safety Qualified ac power adapter: Nominal Output: 9 Vdc @ 0.5A included for iTHX-W, iTHX-M
Switching Power Supply (iDRN-PS-1000) sold separately for iTHX-2
Consumption: 2.5 W max.)
Battery: 9Vdc, Alkaline for iTHX-M
Environmental
Operating Temperature: 0 to 70°C (32 to 158°F)
Storage Temperature: -40 to 125°C (-40 to 257°F)
Packaging
Material: Metal case with flange mount for iTHX-W, iTHX-M
Polycarbonate case with DIN Rail mount for iTHX-2
Dimensions: 21H x 62W x 90D mm (0.83 x 2.42 x 3.56 in) iTHX-W
37H x 62W x 90D mm (1.44 x 2.42 x 3.56 in) iTHX-M
90.2H x 25.1W x 115.0Dmm (3.54 x 0.99 x 4.53 in) iTHX-2
Weight: 0.18 kg (0.4 lbs.) iTHX-W
0.298 kg (0.8 lbs.) iTHX-M
0.113 kg (0.25 lbs.) iTHX-2
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† All dollar amounts on this site are shown in US currency.
Note: * The iTHX-W and iTHX-2 has 2 channels, the iTHX-M has one channel. Each channel consists of a single temperature and humidity probe. Two channel models can accept two probes, that is, two temperature and two humidity readings. The second probe is provided optionally. In order to connect the second probe to the iTHX-W, the DB9-Y adaptor is required.
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Keywords:Remote Temperature Monitoring Remote Humidity Montitoring
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