Precision Temperature, Humidity & Pressure Monitoring for Reliable Data Center Operations

Modern data centers demand maximum uptime, exceptional energy efficiency, and continuous environmental monitoring. As computing density increases and sustainability becomes a business priority, accurate environmental measurements are essential for maintaining equipment reliability while minimizing cooling costs.

At Seacom Process Instruments Sdn. Bhd., we provide Vaisala's industry-leading environmental monitoring solutions to help data center operators optimize cooling performance, improve energy efficiency, and protect mission-critical infrastructure throughout Malaysia.

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Why Environmental Monitoring Matters in Data Centers

Data centers consume significant amounts of electricity, with cooling systems representing one of the largest operational expenses after IT equipment itself. Even small improvements in cooling efficiency can translate into substantial reductions in energy consumption and operating costs.

Accurate measurement of environmental conditions enables operators to:

• Reduce cooling energy consumption
• Eliminate hot spots and cold spots
• Improve Power Usage Effectiveness (PUE)
• Prevent equipment failures caused by overheating
• Maintain recommended ASHRAE environmental conditions
• Increase server reliability and uptime
• Support predictive maintenance and facility optimization

With continuous real-time monitoring, facility managers can make informed decisions that balance operational reliability with energy efficiency.

Recommended Vaisala Solutions for Data Centers

1. Server Rooms, White Space & Hot/Cold Aisles

Accurate wall-mounted temperature and humidity monitoring is essential throughout server rooms, battery rooms, UPS rooms, network operation centers (NOC), and electrical switch rooms. Continuous monitoring helps maintain ASHRAE-recommended environmental conditions while protecting mission-critical IT infrastructure from overheating, electrostatic discharge (ESD), and condensation.

Vaisala HMW90 Series – Premium Wall-Mounted Temperature & Humidity Transmitter

The HMW90 Series is one of Vaisala's most popular HVAC transmitters for high-accuracy indoor measurements. Specifically designed for demanding environments, it delivers excellent long-term stability and configurable outputs for seamless integration with Building Management Systems (BMS). It is also listed by Vaisala as suitable for data centers.

Recommended applications

• Server rooms
• Data halls
• Cold aisle containment
• Hot aisle containment
• UPS rooms
• Battery rooms
• NOC rooms

Key features

• High accuracy humidity and temperature measurement
• Optional display
• Analog and Modbus communication
• Dew point, enthalpy, wet bulb and absolute humidity calculations
• Easy field configuration
• Exchangeable measurement module for simplified maintenance

Learn more

https://www.seacom.com.my/?s=HMW90

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Vaisala HMW110 Series – High Accuracy HVAC Transmitter

For facilities requiring even tighter environmental control, the HMW110 Series incorporates Vaisala's trusted HUMICAP® 180R sensor and offers excellent measurement accuracy with traceable calibration. It provides direct outputs for humidity, temperature, dew point, wet-bulb temperature, enthalpy, and other calculated parameters, making it ideal for precision HVAC control.

Recommended applications

• Mission-critical server rooms
• Enterprise data centers
• Colocation facilities
• Telecommunications rooms
• High-performance computing facilities

Advantages

• Excellent long-term stability
• IP65 enclosure
• Optional Modbus RTU
• Optional display
• Factory calibration certificate
• Minimal maintenance

Learn more

https://www.seacom.com.my/?s=HMW110

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Vaisala HMW80 Series – Cost-Effective Environmental Monitoring

The HMW80 Series provides dependable humidity and temperature monitoring for general HVAC and building automation applications. Using Vaisala's INTERCAP® sensor technology, it offers reliable performance with low maintenance requirements and supports calculated parameters such as dew point, wet bulb temperature, and enthalpy.

Ideal for:

• Small server rooms
• Edge data centers
• Network cabinets
• Communication rooms
• Support facilities
• Office spaces within data centers

Benefits

• Economical solution
• Reliable HVAC monitoring
• Easy installation
• Available in wall, duct and outdoor versions
• Excellent value for building automation systems

Learn more

https://www.seacom.com.my/?s=HMW80

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2. Air Handling Units (AHU) & HVAC Ducts

Maintaining precise temperature and humidity inside supply and return air ducts is essential for maximizing cooling efficiency and ensuring balanced airflow throughout the data center.

Vaisala HMD60 Series

Designed specifically for HVAC ducts, the HMD60 Series provides reliable humidity and temperature measurements for:

• AHU supply ducts
• Return air ducts
• Fresh air systems
• CRAH and CRAC units
• Ventilation systems

The transmitter supports efficient HVAC control by continuously monitoring air conditions entering and leaving cooling systems.

Learn more

https://www.seacom.com.my/?s=HMD60

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3. Liquid Cooling Systems

As rack power densities continue to increase, liquid cooling has become a preferred solution for efficiently removing heat from high-performance servers and AI infrastructure.

Vaisala TMI110 Immersion Temperature Transmitter

The TMI110 delivers highly accurate immersion temperature measurements for:

• Chilled water systems
• Liquid cooling loops
• Heat exchangers
• Cooling manifolds
• Supply and return water

Its fast response time enables tighter HVAC control and improved energy efficiency.

Learn more

https://www.seacom.com.my/?s=TMI110

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4. Clean Rooms, Battery Rooms & Sensitive Areas

Some data centers include clean rooms, semiconductor environments, battery energy storage systems (BESS), or pharmaceutical-grade facilities that require continuous high-accuracy monitoring.

Vaisala HMT120 / HMT130 Series

Designed for continuous environmental monitoring, the HMT120 Series provides dependable humidity and temperature measurements in areas where accuracy and cleanliness are critical.

Typical applications include:

• Battery rooms
• Clean rooms
• Network operation centers
• Critical infrastructure rooms
• Validation environments

Learn more

https://www.seacom.com.my/?s=HMT120

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5. Compact Temperature & Humidity Monitoring

Many areas within a data center require discreet yet accurate environmental monitoring. Compact probes are ideal for installation inside cabinets, ducts, containment systems, battery rooms, electrical panels, and other confined spaces.

Vaisala XMP10 Compact Humidity & Temperature Probe

The Vaisala XMP10 is a compact humidity and temperature probe designed for OEM integration and space-constrained installations. Its small form factor and digital communication options make it well suited for environmental monitoring inside equipment cabinets, cooling units, battery enclosures, and custom HVAC systems.

Ideal applications

• In-row cooling systems
• Electrical cabinets
• Battery Energy Storage Systems (BESS)
• Rack-level monitoring
• OEM cooling equipment
• Compact AHU installations

Benefits

• Compact design
• High-quality Vaisala humidity measurement
• Easy OEM integration
• Reliable long-term operation
• Low maintenance

Learn more

https://www.seacom.com.my/?s=XMP10

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5. Outdoor Environmental Monitoring

Facilities using free cooling or economizer strategies require reliable outdoor measurements to optimize HVAC operation.

Vaisala WXT530 Weather Transmitter

The WXT530 integrates multiple weather measurements into a single compact instrument.

Measurements include:

• Outdoor temperature
• Relative humidity
• Barometric pressure
• Wind speed
• Wind direction
• Rainfall

These measurements enable intelligent cooling decisions based on real-time outdoor conditions.

Learn more

https://www.seacom.com.my/?s=WXT530

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6. Centralized Continuous Environmental Monitoring

For enterprise data centers, environmental measurements become even more valuable when integrated into a centralized monitoring platform.

Vaisala viewLinc Continuous Monitoring System

The Vaisala viewLinc CMS provides secure, 24/7 monitoring of environmental conditions across an entire facility.

Key capabilities include:

• Continuous temperature and humidity monitoring
• Alarm notifications via email and SMS
• Historical trend analysis
• Secure audit trails
• Regulatory reporting
• Support for wired and VaiNet wireless data loggers

The system integrates seamlessly with existing monitoring infrastructure and is ideal for data centers requiring comprehensive environmental oversight.

Learn more

https://www.seacom.com.my/?s=viewLinc

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7. Differential Pressure Monitoring for Airflow Optimization

Proper airflow management is critical to maintaining cooling efficiency in modern data centers. Measuring differential pressure helps verify that hot aisle and cold aisle containment systems are functioning correctly while ensuring adequate airflow through HVAC equipment.

Continuous differential pressure monitoring enables facility operators to:

• Verify hot aisle/cold aisle containment performance
• Detect clogged HVAC filters
• Monitor pressure across CRAH and CRAC units
• Balance airflow between rooms
• Improve cooling efficiency
• Reduce fan energy consumption
• Prevent hot air recirculation

Vaisala PDT101 Differential Pressure Transmitter

The Vaisala PDT101 is designed for precise differential pressure monitoring in critical environments, including data centers. It is available in bidirectional models for very low differential pressures and unidirectional models for HVAC applications, making it suitable for airflow monitoring, containment verification, and air handling systems. The PDT101 can also integrate with the Vaisala viewLinc Continuous Monitoring System for centralized monitoring and alarming.

Recommended applications

• Hot aisle containment
• Cold aisle containment
• Air handling units (AHU)
• CRAC/CRAH systems
• Filter monitoring
• Raised floor pressure monitoring
• Server room pressurization

Key features

• High accuracy differential pressure measurement
• Very low pressure range options
• DIN rail, wall, or panel mounting
• 4–20 mA and voltage output models
• Reliable long-term stability
• Compatible with Building Management Systems (BMS)

Learn more

https://www.seacom.com.my/?s=PDT101

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8. Indoor Air Quality & Smart Building Monitoring

Supporting spaces within a data center—such as Network Operations Centers (NOC), offices, meeting rooms, control rooms, and occupied technical areas—benefit from monitoring not only temperature and humidity but also indoor CO₂ levels. Maintaining good indoor air quality enhances occupant comfort while enabling demand-controlled ventilation (DCV) strategies that reduce HVAC energy consumption.

Vaisala XMW85 CO₂, Temperature & Humidity Transmitter

The Vaisala XMW85 Series is a configurable wall-mounted transmitter available in humidity/temperature or CO₂/humidity/temperature models. Designed for smart buildings and HVAC systems, it supports Modbus RTU communication and utilizes Vaisala's proven CARBOCAP® CO₂ technology together with INTERCAP® humidity sensing for reliable, long-term performance.

Recommended applications

• Network Operations Centers (NOC)
• Control rooms
• Office areas
• Technical support rooms
• Building management spaces
• Demand-controlled ventilation systems

Key features

• CO₂, temperature, and humidity measurement (3-in-1 models)
• Modbus RTU communication over RS-485
• Optional local display
• User-replaceable humidity sensor and CO₂ module
• Low maintenance
• Optimized for intelligent HVAC control

Learn more

https://www.seacom.com.my/?s=XMW85

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Advanced Environmental Monitoring with the Vaisala Indigo Series

As data centers continue to increase in size and complexity, environmental monitoring systems must be flexible, scalable, and easy to maintain. The Vaisala Indigo Series is a modular measurement platform that combines intelligent probes, configurable transmitters, and software into a single ecosystem for high-performance environmental monitoring. It supports measurements including humidity, temperature, dew point, CO₂, differential pressure, and more through interchangeable probes and host transmitters.

Unlike conventional transmitters, the Indigo platform allows users to replace or upgrade compatible probes without redesigning the entire monitoring system, minimizing downtime while simplifying maintenance. Dual-probe transmitter options also enable multiple measurements from a single device, reducing installation costs and improving operational efficiency.

Benefits for Data Centers

The Indigo platform helps data center operators:

• Improve measurement accuracy
• Simplify maintenance with interchangeable probes
• Reduce downtime during servicing
• Integrate seamlessly with BMS, SCADA and DCIM platforms
• Support predictive maintenance
• Expand monitoring capability as facilities grow
• Future-proof environmental monitoring infrastructure

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Indigo200 Series

The Indigo201 and Indigo202 transmitters provide an economical platform for connecting Vaisala smart probes while offering analog or Modbus RTU outputs for Building Management Systems.

Ideal applications include:

• Server rooms
• HVAC systems
• Cold aisle monitoring
• Hot aisle monitoring
• CRAC/CRAH units
• Utility rooms

Key features

• Plug-and-play probe replacement
• Local display (Indigo202)
• Analog and Modbus communication
• Easy commissioning with Vaisala Insight software
• Compact wall-mounted design

Learn more

https://www.seacom.com.my/?s=Indigo200

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Indigo300 Series

For applications requiring larger displays and enhanced visualization, the Indigo300 Series offers intuitive local operation and supports a wide range of Indigo-compatible probes.

Typical applications include:

• Mechanical rooms
• Central plant monitoring
• Chilled water systems
• Utility monitoring

Learn more

https://www.seacom.com.my/?s=Indigo300

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Indigo500 Series

The Indigo500 Series represents Vaisala's flagship transmitter platform for mission-critical industrial and data center applications. It supports one or two smart probes simultaneously, provides touchscreen operation, local trend visualization, Ethernet connectivity, configurable relays, analog and digital outputs, and local data logging for enhanced diagnostics.

For enterprise and hyperscale facilities, Indigo500 enables centralized monitoring of multiple environmental parameters while integrating seamlessly into existing automation systems.

Ideal applications include:

• Enterprise Data Centers
• Hyperscale Facilities
• Colocation Data Centers
• AI Data Centers
• Liquid Cooling Systems
• Mission-Critical Infrastructure

Features

• Large touchscreen display
• Dual probe capability
• Ethernet connectivity
• Modbus TCP/IP
• Modbus RTU
• Analog outputs
• Relay outputs
• Local trend graphs
• Event logging
• Plug-and-play probe replacement
• Remote diagnostics

Learn more

https://www.seacom.com.my/?s=Indigo500

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Compatible Indigo Smart Probes

Many Vaisala measurement probes can operate independently or as part of the Indigo platform, providing exceptional flexibility.

Compatible measurements include:

• Humidity
• Temperature
• Dew Point
• Carbon Dioxide (CO₂)
• Differential Pressure
• Moisture in Oil
• Barometric Pressure

For data center applications, Indigo integrates exceptionally well with:

• HMW110 Series
• XMP10
• PDT101
• GMP Series CO₂ Probes
• Temperature Probes
• Dew Point Probes

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Why Indigo is Ideal for Modern Data Centers

As data centers adopt AI workloads, higher rack densities, liquid cooling, and increasingly sophisticated HVAC strategies, environmental monitoring systems must evolve alongside them.

The Vaisala Indigo platform provides:

• ✔ Scalable architecture for future expansion
• ✔ Plug-and-play smart probes
• ✔ Simplified calibration and maintenance
• ✔ Enterprise-grade cybersecurity
• ✔ Industrial Ethernet connectivity
• ✔ Real-time local visualization
• ✔ Long-term measurement stability
• ✔ Reduced total cost of ownership

Whether monitoring server halls, chilled water systems, air handling units, containment systems, or supporting mechanical infrastructure, the Indigo platform provides a unified, future-ready measurement solution that grows with your data center.

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Complete Vaisala Data Center Solution Portfolio

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Why Choose Vaisala for Data Centers?

Vaisala has earned a global reputation for precision measurement in mission-critical applications. Their sensors are engineered for long-term stability, low maintenance, and exceptional reliability—making them an ideal choice for modern data centers where environmental control directly impacts uptime and operational efficiency.

Key advantages include:

• Industry-leading measurement accuracy
• Patented HUMICAP® humidity technology
• Stable calibration with minimal drift
• Long service life
• Low maintenance requirements
• Seamless integration with BMS, SCADA, and DCIM platforms
• Trusted by data centers, pharmaceutical manufacturers, semiconductor facilities, and industrial operators worldwide

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Seacom Process Instruments – Your Vaisala Partner in Malaysia

As an authorized supplier of Vaisala measurement solutions, Seacom Process Instruments Sdn. Bhd. provides expert consultation, product selection, installation support, and after-sales service for data center environmental monitoring applications.

Whether you're designing a new hyperscale data center, upgrading an enterprise server room, or improving cooling efficiency in an existing facility, our engineers can recommend the right Vaisala instruments to meet your operational and compliance requirements.

Our solutions include:

• Temperature monitoring
• Humidity monitoring
• Differential pressure monitoring
• HVAC instrumentation
• Liquid cooling temperature measurement
• Weather monitoring
• Continuous environmental monitoring systems (CMS)

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Contact Seacom Today

Looking to improve the efficiency, reliability, and sustainability of your data center?

Contact Seacom Process Instruments Sdn. Bhd. for expert advice on Vaisala environmental monitoring solutions tailored to your facility.

Visit: https://www.seacom.com.my