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ServersCheck's SensorGateway:
an IP based temperature monitoring sensor and base unit


- onboard temperature sensor.
- built-in web server.
- alerting via email, voice call or SMS.
- SNMP, Modbus TCP, JSON and XML.
- DHCP or static IP.
- PoE (optional DC or USB power).
- optional environmental, power, security & industrial sensors.
- automatic control capabilities with optional expansion hubs.
- available in 2 versions: wired or mobile/cellular (2G/3G/4G).

Take the video tour or view the Sensorgateway in 360°.

non-relevant transparent gif Some of ServersCheck's customers:

ServersCheck Internet Technology Companies customers
ServersCheck Technology Companies customers
ServersCheck customers from the Finance Industry
Some of ServersCheck's government customers
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Web server for easy administration.
The unit has a built-in web server. This enables you to configure, read sensor data, define alerts and more.

more screenshots
Screen shot of the SensorGateway's web interface
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Alerting via email, SMS or voice call.
Mac Monitor playing a ServersCheck Video
Want to be alerted when thresholds are exceeded? The device can itself send out alerts via email, SMS or as a voice call.

Emails can be configured to be sent using your mail server or public mail servers like Gmail. SMS & Voice call alerts are sent through our gateway. Credits are included in the Premium plans
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SNMP ready with built-in SNMP agent.
Supports SNMP v2 & v3 with following SNMP commands: GET, GETNEXT, SET, WALK & TRAPS.

This feature allows you to integrate the devices with any SNMP or DCIM software. It makes the base unit by default an SNMP temperature sensor.
Screenshot of the SensorGateway
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Modbus TCP ready.
Modbus logo
With support for Modbus TCP, our sensors can be integrated with popular Building Management Systems. SNMP and Modbus TCP can be used both at the same time.
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Monitoring Appliance
Meet the new ServersCheck Monitoring Appliance. A small compact device featuring the latest version of the award winning ServersCheck Monitoring Software.

Small. Affordable. Powerful. Only 399

Learn more on the Appliance
ServersCheck Monitoring Appliance
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Cloud Monitoring Platform.
Cloud illustration

Download ServersCheck from the Apple AppStore Download ServersCheck from the Google Play Store

Optionally integrate your devices with the Cloud Monitoring Platform to monitor, report & alert on your sensors.

Learn more on the Cloud
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Built-in temperature sensor.
The onboard temperature sensor makes the device an SNMP, Modbus, XML and IP Ethernet temperature sensor in a box. For higher accuracy, the temperature sensor is mounted externally on the base unit.
Top picture of Sensorgateway
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PoE, USB or DC Powered
The base unit is by default powered over PoE.
No PoE? With the optional BASE-PWR you can power it with a wall adapter.

USB? The USB to DC power cable enables you to power the device from any 2A power source.

Running it in an industrial environment? Our optional DC to DC step down modules allow you to connect it to 12v, 24v and -48v inputs.
Top picture of Sensorgateway
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Base unit for up to 8 sensors
SensorGateway with 2 ports for external sensors
Connect any of our environmental, security, power or industrial sensors. Like the following sensors: temperature, humidity, power failure, power curent, flooding, airflow, dust, sound, shock, dry contacts (smoke, motion, door contact, ..)
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Oled display.
The display shows the IP address of the device and the current values of its built-in ethernet temperature sensor and connected external probes. Having a display on the device is often a required feature as part of compliancy to industry standards such as ISO.
OLED display for SensorGateway
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JSON API.
{ JSON }
JSON is one of the most popular REST API's protocols. You can query the SensorGateway's data via JSON.
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XML API.
<XML />
the device outputs sensor values and alert logs in xml so that data from the device can be easily processed by 3rd party applications
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Compatible with many monitoring tools.
Using SNMP the sensorgateway can be integrated with many different tools such as Schneider, Emerson, IO, Nlyte, iTracs, HP OpenView, IBM Tivoli, CA, BMC, IO, Modius, MRTG, Cacti, Nagios, Zenoss, ManageEngine, Ipswitch WhatsUp, Paessler PRTG, Solarwinds & more ...
DCIM tools supported by ServersCheck

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Custom enclosures.
for base units, expansion hubs & sensors


Custom ServersCheck Enclosure
Some applications of our hardware require special features and housing for the environment where they are deployed.

We do have a wide range of possibilities. To give you idea of what can be done, check out our custom enclosure page for examples.

More info on custom enclosures

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SensorGateway Technical Specifications (BASE-WIRED)

Sensorgateway small Operating temperature range: 0C to +75C (+167F).
Operating humidity range: < 90% rH (non-condensating).
Dimensions: 70 mm (2.7") x 88 mm (3.4") x 22 mm (0.8").
TCP/IP: IPv4 at 10/100 Mbps.
Power Source: PoE: IEEE 802.3af
Power Usage: 1500mW (without sensors attached).
Built-in: web server, SNMP v1, v2 & v3 (MD5/AES), Modbus TCP (soon).
Built-in alerting options: email SMS (over IP) & SNMP Traps.
External sensors probes: 2 sensor probes through straight RJ45 cable with max distance of 10m or 30ft.
Max distance to switch: depending on cable quality up to 100m / 300ft.

Built-in Temperature Monitoring Sensor Specs:
Temperature Resolution: 0.1C / 0.18F.
Temperature Reading: -55C to +125C (-67F to +257F) / SensorGateway operates up to 75C.
Temperature Accuracy: +/- 1C (+/- 2F) over 0C to +75C / 32F to 167F.

Testing: Base units are compliant with FCC and CE standards.
Use: The SensorGateways should only be used as industrial or commercial test equipment.
Power adapter small BASE-PWR: Optional Power Adapter for SensorGateway.
Default power is through PoE. Customers not having PoE can use Power Adapters.
Power Adapter Style: EU, UK or US
Power Adapter Specs: 12 VDC/0.5A, switching, 3.5mm connector.


External Temperature Probe and Built-In Temperature Sensor Speficic Data.
Temperature Resolution: 0.1C / 0.18F precision.
Temperature Reading: -55C to +125C (-67F to +257F) / SensorGateway operates up to 75C (167F).
Temperature Accuracy1: +/- 1C (+/- 1.8 F) over 0C to +75C / 32F to 167F.
Readings in Celsius or Fahrenheit.


1: Built-in temperature monitoring sensor. Supports automatic calibration upon restart and while calibration is performed accuracy is +/- 2C (+/- 4F).
2: SMS messages are sent via the Internet through a ServersCheck hosted service. Requires an account with sufficient credits.
3: For email a non SSL enabled mail server is required.
4: *Free cloud platform is a temporary promotion.
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Key features of the ServersCheck SensorGateway.

1) The built-in temperature sensor makes SensorGateway an ethernet temperature sensor for monitoring temperature. For higher accuracy, the temperature sensor is mounted outside the enclosure.

2) Not only a temperature monitoring system, SensorGateway can host external sensor probes that monitor the following:humidity, power failure, water/flooding and shock / vibration

3) Power Over Ethernet: the sensors no longer require a power adapter but can be powered through the network. Compliant with the PoE IEEE 802.3af standard. No PoE? You can have them with an optional power adapter too (BASE-PWR).

4) SNMP & SNMP TRAPS: You can integrate ServersCheck's sensors with the Monitoring Software or Monitoring Appliance from ServersCheck. Using SNMP it also integrates with other management systems. Examples are as Nagios, MRTG, Tivoli, HP OpenView, Whatsup, Ciscoworks, Big Brother, Castle Rock, OpenNMS and more... Click here to see how ServersCheck's sensors work natively with Nagios.

5) Modbus TCP: with this protocol, you can integrate the ServersCheck sensors into new Building Management Systems. This gives the facility team as well as the IT team access to the Modbus temperature sensor.

6) Industrial grade: the Sensor Gateway is made of industrial grade parts: from its steel frame to the components inside the box. The Sensor Gateway is designed to meet the CE industrial class requirements. On top of the parts and needs, the Sensor Gateway has been tested to operate without problems for a minimum of 48 hours in an environment at a temperature of 75C / 167F.

7) Web enabled: Through the built-in web server you can view the live status and manage the device. View screen shots here

8) Autosensing: When a sensor is connected to the SensorGateway (shown left), then the gateway will automatically detect and configure the sensor connected to it.

9) Stand-alone alerting: the sensors can autonomously generate alerts via email (SMTP) and SNMP TRAPS. No other software needed.



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Tips for Mitigating Server Temperature Emergencies With Wireless Temperature Monitoring

It doesn't take long for a damaged fan or faulty heat shield to shut your server down for good. Heat will damage motherboards and components just as fast as power surges do. Many businesses overlook the threat posed by heat damage.

Statistics show that heat damage is one of the main causes of server failure. High temperatures are not the only issue. Too much change in temperature also poses a big risk to server room integrity. If the heat in your server room changes too often this can cause damage. Temperature monitors let you track and analyse changes in heat.

Surge damage is a well-known source of data loss. In the same way, heat-related incidents usually involve multiple parts. This means that they can be just as bad for the safety of your data.

This poses a big risk. Heat-related problems can occur at any time. There is no guarantee that your team will be standing in front of the machine when it happens. The difference between safe and excessive operating temperatures isn't that big. Temperature escalation is rapid once protection systems fail. So it is important to take a proactive stance to monitoring.

There is an easy way to stay in the loop when it comes to server emergencies. ServersCheck's Ethernet and IP temperature sensors combined with its monitoring and reporting system put you in control.

The average server downtime costs 5,000 per minute. No business can afford to take risks with its data. SensorGateway makes server room heat one less risk factor. Protect against downtime, data loss, and repair bills. Taking a proactive approach is key. Aside from checking for warning signs, you can get an idea of how to improve your setup. While temperature risks pose a threat, simple steps can prevent problems. Small additions like fans and panels can keep heat under control. But without the right tools, you can't monitor these changes. You need a way to make sure your improvements are working, and that things stay improved.

SensorGateway is up to the task. With our device, any setup changes can be measured in detail. And you can be confident that you're prepared for any unexpected results. It sends alerts using many different methods. This way you can choose what suits your business best.

The IP temperature sensor enabled base unit will detect a temperature rise above your predefined threshold. It then sends an alarm which you can get via SMS/text, email, MS-Messenger, and more.

In addition to sending the alert, the higher-level monitoring systems can also execute any external process. This includes performing an orderly server shutdown. Some systems are also capable of running an HTTP GET request with pre-defined parameters.

When you use an enhanced monitoring system, you not only ensure the integrity of your network. You guarantee 24/7 emergency response. Even if your data center is unmanned when the emergency occurs, and no one is available to receive the alarm. A WiFi temperature monitor like SensorGateway gives constant oversight. On top of that, its reliable and accurate.

IP Temperature monitoring is like performing system backups. It only takes one catastrophe to make you wish you had addressed the issue before the problem arose. Remote temperature monitoring will let you spot the warning signs and prevent a crisis from unfolding. Something as simple as a server temperature check might save you a lot of time and money

When heat-proofing your servers, you need a temp check that fits with your workflow. This way you can get the most from your improvement measures. And in the event of a crisis, your temp monitor should quickly show the data you need to act.

SensorGateway has these bases covered. It integrates with any other sensors you might use. Guarding against heat, flooding humidity and other threats is made easy. You can monitor these risk factors from one source. In the event of an issue, your response needs to be fast and effective.

The outputs of the device are also designed with response in mind. It integrates with building management and other systems. With SNMP and Modbus formats possible, the device fits how you work.

This is also the case for the alerts. Speed is key in a crisis. Get alerts by email, SMS, call, and more. Never be caught out by a heat related incident.

Any heat monitoring solution should fit your setup. The device can be powered in different ways. Ethernet or adaptor, whichever suits your operation.

SensorGateway works with third party software so your options arent limited. Reliable data transfer matters in the event of a crisis.

Analysis is important when guarding against heat damage. Speed and preparation are key if something does happen. The device offers protection against heat related crises. This is an overlooked risk to server integrity. Dont be caught out by something preventable.

Power failures and surges are well known threats. But heat damage remains a factor. Thankfully, its a problem easily solved with the right solution. It neednt be a source of lost business.

It doesnt matter if youre responsible for one server or one hundred. The right server room temperature monitor gives you peace of mind. You can be sure you have protected your network against temperature-related incidents. Get your sensor now.
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