VAISALA HMT310 Humidity Temperature Transmitter Probe

( Brand: Vaisala ), ( Manufacturer Part Number: HMT310 ), ( Part Type: Probe ), ( Din Size: 1/4 )

Review VAISALA New Humidity Temperature Transmitter And Probe

The **Vaisala HMT310 Humidity and Temperature Transmitter Probe** is a high-precision, industrial-grade sensor designed to deliver accurate and reliable environmental monitoring in demanding applications. Engineered with Vaisala s renowned expertise in meteorological and industrial measurement technology, this probe combines cutting-edge capacitive polymer sensor technology with a robust, modular design to provide real-time data on relative humidity and temperature with exceptional accuracy and stability. Ideal for use in critical environments such as HVAC systems, data centers, pharmaceutical manufacturing, food processing, and laboratory settings, the HMT310 ensures consistent performance even under fluctuating conditions, making it a cornerstone for maintaining optimal environmental control. Its compact yet durable construction features a stainless steel housing with a protective IP65 rating, safeguarding the sensor from dust, moisture, and minor mechanical impacts while allowing for easy installation in various mounting configurations, including wall, ceiling, or ductwork. The probe s capacitive polymer sensor technology offers fast response times, minimal hysteresis, and long-term stability, ensuring that measurements remain accurate over extended periods without the need for frequent recalibration. With a measurement range of -40 C to 80 C for temperature and 0% to 100% relative humidity (with optional extended ranges), the HMT310 adapts seamlessly to a wide variety of applications, from cold storage facilities to high-temperature industrial processes. Its analog output signals (4-20 mA or 0-10 V) and digital communication interfaces, including Modbus RTU and 4-20 mA HART, enable seamless integration with building automation systems (BAS), SCADA platforms, and other industrial control networks, facilitating automated monitoring and control. Additionally, the probe s low power consumption and energy-efficient design make it suitable for remote or battery-powered installations, further enhancing its versatility. Backed by Vaisala s global reputation for precision and reliability, the HMT310 is not just a sensor but a critical component in ensuring operational efficiency, product quality, and compliance with stringent industry standards. Whether deployed in a mission-critical facility or a large-scale infrastructure project, the HMT310 delivers the confidence of accurate, dependable environmental monitoring.

### **Vaisala HMT310 Humidity and Temperature Transmitter Probe: Pros and Cons**

#### **Pros**

1. **High Accuracy and Precision** The HMT310 is known for its excellent measurement accuracy, with a temperature range of -50 C to 80 C and relative humidity from 0% to 100%. It provides reliable data even in extreme conditions, making it suitable for industrial, environmental, and research applications.

2. **Wide Temperature and Humidity Range** Its broad operational range ensures versatility in various environments, including cold storage, HVAC systems, and outdoor monitoring.

3. **Durability and Robust Construction** The probe is designed for harsh conditions, with a sturdy housing that resists corrosion, vibration, and moisture, making it ideal for long-term deployment in industrial settings.

4. **Fast Response Time** The sensor responds quickly to changes in temperature and humidity, which is crucial for real-time monitoring and control systems.

5. **Compatibility with Vaisala s Ecosystem** It integrates seamlessly with other Vaisala instruments and data logging systems, allowing for centralized monitoring and analysis.

6. **Low Maintenance Requirements** The sensor has a long lifespan with minimal calibration needs, reducing downtime and operational costs.

7. **Industrial-Grade Calibration** Vaisala sensors are factory-calibrated to high standards, ensuring consistent performance over extended periods.

8. **Wide Range of Output Options** It supports multiple communication protocols (e.g., 4-20 mA, digital outputs) and can interface with PLCs, data loggers, and SCADA systems.

9. **Used in Critical Applications** Commonly deployed in pharmaceuticals, food processing, and environmental monitoring where precise humidity and temperature control are essential.

10. **Resistant to Contaminants** The sensor is designed to minimize drift from exposure to dust, oils, or chemicals, maintaining accuracy in dirty environments.

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#### **Cons**

1. **High Initial Cost** Compared to basic analog or digital probes, the HMT310 is a premium product, which may be prohibitive for small-scale or budget-conscious applications.

2. **Complex Installation** Due to its precision and industrial-grade build, installation may require specialized knowledge, especially when integrating with control systems.

3. **Limited Consumer Support** Vaisala primarily targets industrial and professional users, so troubleshooting or replacement parts may not be as readily available as with consumer-grade sensors.

4. **Overkill for Simple Applications** If you only need basic humidity and temperature monitoring (e.g., for a home or small office), a less expensive alternative may suffice.

5. **Potential for Over-Engineering** Some users may find the advanced features unnecessary if they only require basic readings without advanced data logging or automation.

6. **Calibration Costs Over Time** While low-maintenance, periodic recalibration (if required by your application) can add to long-term costs.

7. **Size and Bulkiness** The probe is larger than some consumer-grade sensors, which may limit installation flexibility in space-constrained environments.

8. **Dependence on Vaisala s Software** If you rely on Vaisala s proprietary software for data analysis, switching to another platform may require additional investment.

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### **Conclusion**

The **Vaisala HMT310** is one of the most reliable and high-performance humidity and temperature transmitters available, making it an excellent choice for **industrial, pharmaceutical, food processing, and environmental monitoring applications** where precision and durability are critical. Its strengths in accuracy, wide operational range, and low maintenance justify its higher cost for professional users.

However, for **budget-conscious or non-industrial applications** (e.g., home use, small-scale labs, or basic environmental monitoring), the expense and complexity may not be worth the investment. In such cases, lower-cost alternatives (e.g., Rotronic, Extech, or even some digital hygrometers) could provide adequate performance at a fraction of the cost.

If you require **long-term, high-accuracy monitoring in demanding environments**, the HMT310 is a **strong recommendation**. If your needs are simpler, consider whether the premium features align with your budget and requirements.

### **Final Recommendation**

- You need **industrial-grade accuracy and reliability** in harsh conditions.

- Your application requires **integration with Vaisala s ecosystem or advanced control systems**.

- You operate in **pharmaceuticals, food processing, or critical environmental monitoring** where precision is non-negotiable.

- You are working on a **tight budget** and can use a lower-cost alternative.

- Your application is **non-industrial** (e.g., home, small office, or hobbyist use).

- You do not require **long-term stability** or advanced features.

For most **professional and industrial users**, the HMT310 is a **worthwhile investment** due to its unmatched performance and longevity. For others, evaluating cost-effective alternatives may be more practical.

Details:

30 day guarantee.

part #: hmt310 prices

• $561.60-$1599.99

specifications temperaturcontr:

• brand: Vaisala
• mpn: Hmt310
• part type: Probe
• din size: 1/4

returns temperaturcontr:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

payments temperaturcontr:

• credit card: Diners-club
• wallet: Apple-pay
• other

general temperaturcontr:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Temperature Modules

seller temperaturcontr:

• rating: 99.3%
• # reviews: 3835
• city: Portland, Oregon

offer temperaturcontr:

• availability: In Stock
• quantity: 1
• started: April 3, 2026
• best offers: True
• sold: 0
• options: Ship-to-home

shipping temperaturcontr:

• type: Calculated
• carrier: USPS
• class: Standard
• transit: 4-8 Days
• cost: $57.16
• service: USPS Ground Advantage

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