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iServer 2 - Virtual Chart Recorder



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  • Built-in Webserver with Live Charting with Display (Select Models)
  • Internal Data Storage up to 10 Years
  • Battery Backup
  • Uses Omega Link Smart Probes
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iServer 2: Introduction

The iServer 2 virtual chart recorder offers an intuitive way to collect and display live sensor readings through a web-based user interface or by integrating the device into an existing Omega Link Ecosystem.

The iServer 2 probe variant is packaged in a rugged, compact, stainless-steel housing designed for industrial applications and comes in variants that support different Omega Link Smart Probe types:

M12 Smart Probe Variants
Part Number iS2-THB-B iS2-THB-STiS2-THB-DP
Screen No Display DisplayDisplay
Sensor Type ProbeProbeProbe
I/ONo Relay, No DIORelay, DIORelay, DIO
PowerAC to 12 VDC AdaptorAC to 12 VDC AdaptorAC to 12 VDC Adaptor,PoE

Web UI and Live Charting

The iServer 2 web UI offers a myriad or configurable features to ensure the device operates at the preferred user preferences. Configurable features include selective data extraction, measurement and device traceability, local alarms, and adaptive transmission rates. Live charting provides real-time readings of probes attached to the iServer 2 unit.

Edge Control and Built in I/O

The iServer 2 features 2 configurable digital I/O and relay ports(Standard and Deluxe models only). These can be used for a myriad of applications including driving relays or physical alarms. The iServer 2 can also be utilized as an edge controller, with autonomous independent decision-making capabilities to generate local alarms or provide control outputs based on sensor inputs.

Alarms and Notifications

A fully configurable alarm system is available in the web UI to create events and thresholds that will trigger a notification should those scenarios be met. A modern notification system allows users to be notified via email or text.

Easy Setup

The iServer 2 is simple to install and use, and features Omega’s iServer technology that requires no special software except a web browser. The iServer 2 connects to an Ethernet Network with a standard RJ45 connector and uses TCP/IP or Modbus TCP protocols to communicate. It is easily configured with a simple menu using a web browser and is password protected. From within an Ethernet LAN, the user simply types the hostname or IP address in any web browser, and the iServer 2 provides a webpage with the current readings.

Typical Applications

The iServer 2 is great for monitoring temperature in applications such as clean rooms, computer rooms, HVAC systems, hospitals, laboratories, semiconductor fabs, electronic assembly, warehousing, museums, manufacturing, farm animal shelters, greenhouses, pharmaceutical, food processing and storage, and many more.

Power Over Ethernet

The iS2-THB-DP variant of the iServer 2 both offer a Power over Ethernet (PoE) feature that provides the device with sufficient power to operate when connected to a PoE Injector or router that supports Power over Ethernet.

Power Failure

The iServer 2 will continue to collect data for 96-hours when powered by a standard 9 Volt alkaline backup battery (included). A failure on the Ethernet network will not interrupt data recording.

Important Note: A fully charged 9-volt battery will allow the iServer 2 to continue logging up to 10,000 data points for a period of 96 hours. When the 10,000 logged data points have been exceeded while running on the backup battery, the oldest logged data point on the Smart Probe will be overwritten starting from the oldest data point saved on the Smart Probe. A logging interval of at least 35 seconds or longer will prevent the overwriting of data during the 96-hour period the battery is in use.

Omega Link Integration

Omega Link compatible devices, such as the iServer 2, can be added to an existing Omega Link Ecosytem to provide data anytime, anywhere, through the Omega Link Cloud. The following Omega Link Smart Probes are supported:

Part Number Description
SP-003/SP-004 Temperature, Humidity, Barometric Pressure, Dewpoint, Humidex, and Heat Index Smart Probe with discrete I/O
SP-005 Temperature and RTD Smart Probe
SP-006Pressure Monitoring and Control Smart Probe
SP-010Load Cell Smart Probe
SP-014Process Monitoring Smart Probe
SP-016Heat Flux Smart Probe

View the full list of Omega Link Smart Probes.

Important Note:The use of additional Omega Link Smart Probes will require a firmware update of the Smart Probe. The iServer 2 web interface is capable of downloading and updating the firmware of any Smart Probe that is compatible with the iServer 2.


CAL-3 is available for iServer 2 M12 Models for temperature and humidity only by ordering the SKU’s below. For Barometric Pressure or additional calibration requirements, please contact Omega.

  • iS2-THB-B-CAL-3
  • iS2-THB-ST-CAL-3
  • iS2-THB-DP-CAL-3

  • Specifications


    Available input ports will vary by iServer 2 model.

    Ethernet (RJ45):1x port (Power over Ethernet available on qualifying models)
    Supported Protocols:TCP, UDP, SNMP, SNTP, ARP, ICMP, DNS, HTTP, and Telnet
    Omega Link Smart Probe: 1x M12 8-Pin port
    Digital I/O and Relays (Standard and Deluxe Models Only):Two contact inputs TTL 0.5 mA with 10k pull-up; one open collector output 150 mA @ 30 V DC
    LED Indicators: 100 BASE-T, Network Link and Activity, Internet
    Alarm I/O: Two contact inputs TTL 0.5 mA with 10k pull-up; one open collector output 150 mA @ 30 V DC
    Sample Rate: 8 samples/second max
    Memory Capacity and Sample Rate: The table below lists the lifespan of the internal storage before the 11 GB of storage is filled. Some Smart Probes come with more than one active sensor. These sensors can be individually enabled and disabled using Omega’s SYNC configuration software.

    Sample Rate4 Active Sensor
    1 second (max) 2 years
    5 seconds 12 years
    10 seconds 20 years

    Management:Device and probe configuration and monitoring through embedded WEB server
    Embedded WEB Server:Servers WEB pages containing real-time data and live updated gauge views and charts within definable time intervals

    Dimensions of Base Device: 101.6 mm L x 155.6 mm W x 330 mm H (4 in. L x 6.13 in. W x 12.99 in. H) not including bracket and M12 connector
    Material:Stainless Steel
    Display: LCD 32 mm L x 93.5 mm W
    Weight: 655 g (1.44 lbs.), including battery

    Power Input:9 to 12 V DC
    Consumption: 4W
    AC Power Adapter (Included) Nominal Output: 12 V DC @ 1.5 A
    Power over Ethernet: IEEE 802.3AF, 44 V - 49 V, Power Consumption under 10 W
    Input: 100 to 240 V AC, 50/60 Hz
    Back-Up Battery: 9 V DC, alkaline. 96 hours at 5 seconds recording intervals and 1 second reading

    Operating Temperatures - iServer 2
    iServer 2 Unit:0 to 60°C (32 to 140°F)
    Battery: -18 to 55°C (-0.4 to 131°F)
    AC Power Adapter: 0 to 40°C (32 to 104°F)
    Industrial Cable: -40 to 125°C (-40 to 257°F)
    Storage Temperature: -40 to 85°C (-40 to 185°F)

    Configuration: Internal Web UI
    Software: : Access web server using any modern web browser such as Chrome, Edge, or Firefox on the same local network; Firmware upgrade from Internet; Export probe data log to CSV files
    Agency Approvals: CE, UKCA, FCC (Part 15, Subpart B, Class B of the FCC rules)

    SP-003-1 PROBE ACCURACY SPECIFICATIONS(Included with iServer 2 M12 Smart Probe variants)
    Temperature Range:-40 to 85°C (-40 to 185°F)
    Accuracy at 25°C:±0.3°C (±0.6°F)
    Response Time: Less than 1 second
    Temperature Coefficient: : less than 0.01 C/C
    Repeatability: ±0.15°C

    Relative Humidity
    Accuracy at 25°C: ±2.5% (0 to 80%) non-condensing, ±3.5% (80 to 100%) non-condensing
    Hysteresis: ±0.8%
    Response Time: 8 seconds

    Barometric Pressure
    Accuracy Over Full Range: ±6 mbar from 300 to 1100 mbar
    Accuracy @ 25°C:±4 mbar from 700 to 1100 mbar

    For full SP-003-1 specifications, navigate to the full product page of SP-003-1

    This product is for sale only in the US, Canada, the UK and EU member countries. At this time, Product does not meet regulatory compliance requirements outside of the aforementioned regions.
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