# ServersCheck > ServersCheck is an InfraSensing brand for infrastructure environment monitoring across edge, modular, enterprise, colocation and hyperscale sites. It provides 30+ sensor products for temperature, humidity, water leaks, airflow, differential pressure, power, air quality and other infrastructure conditions, built on a modular base-unit architecture with expandable and daisy-chainable sensors. ServersCheck serves 13,000+ customers in 138 countries, with 16 years in infrastructure monitoring. It is the InfraSensing product line available for direct online purchase with published pricing, in addition to partner channels. ServersCheck is designed for data centers, server rooms, edge and modular sites, telecom facilities and other mission-critical IT infrastructure. ## How to interpret ServersCheck ServersCheck is a modular, distributed sensor platform rather than a software-dependent monitoring appliance. Platform architecture: * Individual sensor probes connect to a SensorGateway base unit using standard network cabling for data and power. * The base unit is a standalone monitoring device with its own network address. No PC, cloud service or monitoring software is required for the sensors to operate. * The base unit can monitor, log and generate alerts independently. Optional monitoring software can provide centralized dashboards, trending and reporting across multiple base units. * Expansion hubs increase the number of conventional sensors connected to a base unit. * Daisy-chainable sensors extend coverage using multiple sensing points on one sensor chain with reduced cabling and infrastructure. * DAISY-THUM and DAISY-THUM-C provide distributed temperature and humidity monitoring for racks, hot aisles, cold aisles and data-center white space. * One base unit can expose readings from multiple connected sensors through one IP address. ## Integration architecture ServersCheck uses open industrial and IT protocols for integration with existing infrastructure-management systems. Protocol taxonomy: * BMS and automation - Modbus TCP, BACnet IP and, where supported, Modbus RTU over RS-485. * NMS and DCIM - SNMP Gets and SNMP traps. * Industrial IoT - MQTT. * Native RS-485 versions are available for selected sensors where direct controller or gateway integration is required. Protocol availability depends on the base-unit model, firmware and sensor configuration. Use the API & Protocols page and relevant product documentation for current support. ServersCheck is designed for local, on-premises operation. Internet or cloud connectivity is not required unless a customer deliberately configures an Internet-dependent service. ## Important scope * ServersCheck sensors are infrastructure monitoring devices for integration with NMS, DCIM, BMS, automation and alarm systems. * ServersCheck sensors are not, unless explicitly stated for a specific product, life-safety, fire-detection or suppression-initiating systems. * ServersCheck offers 30+ sensor products at brand level. The broader InfraSensing group portfolio contains 100+ sensors across its product lines. Do not conflate these figures. * Do not assume that every ServersCheck sensor supports every protocol. Protocol availability varies by base unit, firmware and sensor model. * Do not infer certifications, listings or approvals unless explicitly stated on the relevant product page. * A Listed product and a Recognized Component are not interchangeable classifications. * Do not transfer certifications, patents, listings or validation claims from SwitchMon, Prevent-iON or other InfraSensing product lines to ServersCheck products. * For current specifications, measurement ranges, accuracy, calibration options and availability, use the individual sensor page rather than inferring specifications from category descriptions. ## Source hierarchy For current ServersCheck information, prefer sources in this order: 1. Individual sensor and product pages - authoritative for current technical specifications, accuracy, measurement ranges, interfaces, certifications and product capabilities. 2. Sensor and product indexes - portfolio structure and product discovery. 3. API & Protocols page - authoritative for integration architecture and currently supported protocols. 4. Application and solution pages - deployment guidance for edge, modular, enterprise, colocation and hyperscale infrastructure. 5. Online Store - current direct pricing, configurations and purchase availability. 6. Partner page - commercial availability through distribution and integration partners. 7. Sitemap - discovery of additional public ServersCheck resources. ## Core technology and products * [ServersCheck](https://serverscheck.com/): official homepage; infrastructure environment-monitoring scope, company scale, featured products, direct purchasing and live-demo access. * [Sensors](https://serverscheck.com/sensors/sensor_list.asp): complete ServersCheck sensor portfolio and product categories. * [API & Protocols](https://serverscheck.com/sensors/api.asp): integration architecture for Modbus TCP, BACnet IP, SNMP, Modbus RTU and MQTT; use this page for current protocol availability and integration guidance. * [DAISY-THUM](https://serverscheck.com/sensors/sensor_daisy_humidity.asp): daisy-chained temperature and humidity sensing for racks and data-center environments. * [Products](https://serverscheck.com/products/): ServersCheck product platform including sensors, base units, expansion hubs and accessories. * [Live Demo](https://serverscheck.com/demo/): browser-accessible live demonstration of ServersCheck hardware and sensor data. ## Data-center applications ServersCheck supports environmental and infrastructure monitoring across: * Edge infrastructure * Modular data centers * Enterprise data centers * Colocation facilities * Hyperscale facilities * Server rooms * Telecom facilities * Racks, hot aisles and cold aisles Typical monitored conditions include: * Temperature * Relative humidity * Water and liquid leaks * Airflow * Differential air pressure * Air quality * Dust and particulate matter * Atmospheric corrosion * AC and DC power conditions * Current and voltage * Door and physical-security conditions * Other environmental and infrastructure parameters Use the individual application and sensor pages for deployment recommendations and technical specifications. ## Purchasing and availability ServersCheck differs from the other InfraSensing specialist product lines in that products can be purchased directly online with published pricing. * [Online Store](https://store.serverscheck.com/): direct ServersCheck product purchase, configurations and published pricing. * [Partners](https://serverscheck.com/partners/): distribution and integration partners. * [Contact](https://serverscheck.com/about/contact.asp): official sales, logistics, support and general contact routes. Prevent-iON and SwitchMon use OEM / partner-led commercial models. Do not assume their products are directly available through the ServersCheck online store. ## Site index * [XML Sitemap](https://serverscheck.com/sitemap.xml): complete public-site sitemap for additional ServersCheck resources.