SIEMENS QFM3171D Duct Temperature Humidity Sensor 1PCS

( Brand: Siemens ), ( Part Type: Duct Sensor ), ( Manufacturer Part Number: QFM3171D )

Review SIEMENS 1pcs New Duct Temperature And Humidity Sensor

The Siemens QFM3171D is a versatile 1-pin temperature and humidity sensor designed for use in various applications, particularly in heating, ventilation, and air conditioning (HVAC) systems. This sensor offers accurate and reliable measurements of both temperature and humidity levels to ensure optimal indoor climate control.

The sensor's temperature sensing element utilizes a high-precision thermistor with a temperature range from -40 C to 85 C (-40 F to 185 F), making it suitable for use in a wide range of environments. Its humidity sensing element is based on a capacitive sensing principle, capable of measuring relative humidity levels from 0% to 100%.

The compact and robust design of the Siemens QFM3171D makes it ideal for installation in ducts, air handlers, and other challenging environments. The sensor features a rugged, corrosion-resistant stainless steel housing, ensuring durability and longevity even in harsh conditions.

The sensor's output signal is a 4-20mA current loop, which can be easily integrated into various control systems. It also features a temperature compensation function, ensuring accurate and stable measurements regardless of ambient temperature fluctuations.

The Siemens QFM3171D is a high-performance, reliable, and cost-effective solution for temperature and humidity measurement in HVAC applications. Its compact size, rugged construction, and accurate sensing capabilities make it an indispensable tool for maintaining optimal indoor climate conditions.

Siemens QFM3171D Temperature-Humidity Sensor: A Comprehensive Analysis

The Siemens QFM3171D is a temperature-humidity sensor designed for use in heating, ventilation, and air conditioning (HVAC) systems. In this analysis, we will discuss the pros and cons of investing in this sensor to help you make an informed decision.

1. High Precision: The Siemens QFM3171D offers high accuracy and precision, making it suitable for applications where precise temperature and humidity control is essential.

2. Wide Operating Temperature Range: This sensor can operate in temperatures ranging from -10 C to 50 C, ensuring reliable performance in various environmental conditions.

3. Easy Installation: The sensor is compact and can be easily installed in different HVAC systems, thanks to its plug-and-play design.

4. Robust Construction: The Siemens QFM3171D is built to last, with a durable housing that can withstand harsh operating conditions.

5. Digital Output Signal: The sensor provides a digital output signal, which is more reliable and easier to process compared to analog signals.

1. Cost: The Siemens QFM3171D is a premium sensor, and its cost may be a limiting factor for some users.

2. Compatibility: This sensor may not be compatible with all HVAC systems, so it is essential to check its compatibility before making a purchase.

3. Lack of Display: The sensor does not have a built-in display, so users must rely on the HVAC system or external devices to view the temperature and humidity data.

The Siemens QFM3171D temperature-humidity sensor is a high-performance device suitable for applications where precise temperature and humidity control is essential. Its wide operating temperature range, easy installation, robust construction, and digital output signal make it an attractive option for HVAC system integrators. However, its cost and potential compatibility issues may be a concern for some users.

If you require high-precision temperature and humidity control in your HVAC system and can afford the cost, the Siemens QFM3171D is an excellent choice. However, if cost is a concern, or if you are unsure about its compatibility with your HVAC system, you may want to consider alternative options with similar specifications but lower costs. It is always recommended to consult the manufacturer or a trusted HVAC professional for advice on selecting the best sensor for your specific application.

Details:

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1PCS NEW SIEMENS QFM3171D duct temperature and humidity sensor Dear customer, there is one things need to be noticed before placing an order. The Purchase History link on left side of page. All shipping charges are not negotiable. Return items should include the original packaging and all accessories.

part #: qfm3171d prices

• $455.89-$470.68

specifications plcmechanize:

• brand: Siemens
• part type: Duct Sensor
• manufacturer part number: QFM3171D

payments plcmechanize:

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

returns plcmechanize:

• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted
• method: Money back

offer plcmechanize:

• availability: In Stock
• best offers: True
• sold: 0
• quantity: 4
• started: May 7, 2026
• options: Ship-to-home

seller plcmechanize:

• rating: 100.0%
• # reviews: 73
• city: Walnut, California

shipping plcmechanize:

• cost: $0.00
• class: Standard
• transit: 4-9 Days
• service: Standard
• type: Fixed

general plcmechanize:

• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors
• condition: New

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