Siemens BPZ:QAM2161.040 Thermocouple Type Temperature Detector

The Siemens BPZ:QAM2161.040 is a high-performance thermocouple type temperature detector engineered for precise air temperature monitoring within industrial and commercial HVAC systems. This sensor excels in applications demanding accurate and reliable temperature data, such as supply or extract air monitoring, limit sensing for temperature control, and as a reference sensor for complex climate regulation strategies. Its robust design, coupled with a flexible averaging probe, ensures comprehensive temperature capture within air ducts, making it an indispensable component for optimizing energy efficiency and maintaining optimal environmental conditions.

Product Specifications

| Specification           | Value                                     |

| :---------------------- | :---------------------------------------- |

| Product Number          | QAM2161.040                               |

| Stock Number            | BPZ:QAM2161.040                           |

| Sensor Type             | Thermocouple Type Temperature Detector    |

| Probe Length            | 400 mm                                    |

| Immersion Length        | 303–363 mm                                |

| Measuring Range         | -50 °C to 50 °C                           |

| Measurement Accuracy    | ±0.9 K at -50 °C to 50 °C                 |

| Time Constant           | 30 s (Air v=2 m/s)                        |

| Sensing Element         | Pt1000                                    |

| Signal Output           | DC 0-10 V, DC 0-5 V, DC 4-20 mA            |

| Operating Voltage       | AC 24 V / DC 13.5–35 V                    |

| Power Consumption       | 1 VA                                      |

| Electrical Connection   | Screw terminals                           |

| Type of Fixing          | Flange (supplied complete)                |

| Degree of Protection    | IP54                                      |

| Dimensions (H x W x D)  | 80 x 88 x 39 mm                           |

| Warranty                | 60 Months                                 |

| Product Lifecycle       | Active Product                            |

Core Features & Market Positioning

The Siemens BPZ:QAM2161.040 distinguishes itself through its "fully active, flexible probe for averaging" design, a key differentiator that enables it to capture a more representative temperature reading across an air duct compared to single-point sensors. This averaging capability, combined with its broad -50°C to 50°C measuring range and ±0.9 K accuracy, positions it as a premium solution for precise temperature control in demanding HVAC applications. Its market presence is solidified by Siemens' reputation for industrial automation and building technology, ensuring robust integration and reliability. The sensor's versatility in output signals (DC 0-10 V, DC 0-5 V, DC 4-20 mA) further enhances its appeal, allowing seamless compatibility with a wide array of Building Management Systems (BMS) and control platforms.

Key Application Scenarios

The Siemens BPZ:QAM2161.040 is engineered for critical temperature monitoring in various sectors:

  HVAC Systems: Essential for monitoring supply and extract air temperatures in commercial buildings, ensuring optimal climate control and energy efficiency.  Industrial Environments: Utilized in process control where precise air temperature measurement is vital for maintaining operational integrity and product quality.  Data Centers: Crucial for managing the thermal load and preventing overheating of sensitive equipment through accurate ambient air temperature monitoring.  Air Handling Units (AHUs): Serves as a core component for measuring and controlling air temperature within AHUs, optimizing performance and occupant comfort.  Limit Sensing: Functions as a reliable limit sensor to prevent over- or under-conditioning of air by triggering alarms or adjustments when set thresholds are breached.

Practical System Integration Guidance

Integrating the Siemens BPZ:QAM2161.040 into existing systems is straightforward due to its standard output signals and robust physical design. The sensor comes complete with a mounting flange for secure installation in air ducts, simplifying the initial setup process. Electrical connections are made via screw terminals, accommodating standard wiring practices for industrial automation. For system integration, the BPZ:QAM2161.040 offers versatile output signals including DC 0-10 V, DC 0-5 V, and 4-20 mA, ensuring compatibility with most modern Building Automation and Control systems (BACS) and Programmable Logic Controllers (PLCs). Engineers should refer to the specific datasheets and manuals provided by Siemens for detailed wiring diagrams and configuration parameters relevant to their particular control system architecture.

Operation and Risk Mitigation

The BPZ:QAM2161.040 operates by measuring the resistance change of its Pt1000 sensing element, which is then converted into a standardized output signal proportional to the measured air temperature. Its IP54 degree of protection ensures resilience against dust and water ingress, making it suitable for demanding environments. In the event of a fault, the sensor is designed to output a predefined signal, such as 0 V or 0 mA, which can be interpreted by the control system for fault detection and appropriate action, thereby mitigating potential operational risks. Regular visual inspection of the probe and its connection points, along with periodic calibration checks against a known standard, are recommended maintenance practices to ensure continued accuracy and reliability.

Scalability & Long-Term Value

The Siemens BPZ:QAM2161.040 offers significant long-term value through its compatibility with a wide range of Siemens' automation platforms and broader industrial control ecosystems. Its standard output signals ensure that it can be integrated into new digital transformation initiatives and IIoT strategies, providing valuable real-time data for advanced analytics and predictive maintenance. As an active product within Siemens' portfolio, ongoing support and availability are assured, providing a secure investment for long-term system design and operation. The sensor's durable construction and 60-month warranty further underscore its reliability and suitability for applications requiring sustained performance.

FAQs

Q1: What is the primary function of the Siemens BPZ:QAM2161.040?

The Siemens BPZ:QAM2161.040 is a duct temperature sensor.

It accurately measures air temperature within ventilation and air conditioning ducts.

This sensor is vital for HVAC system performance and control.

Q2: What are the key technical specifications of the BPZ:QAM2161.040?

It features a 400mm probe and a -50 to 50°C range.

The sensor provides DC 0-10V, 0-5V, or 4-20mA output signals.

Accuracy is ±0.9 K, with a Pt1000 sensing element and IP54 rating.

Q3: Where is the Siemens BPZ:QAM2161.040 typically applied?

It is widely used in HVAC systems for supply/extract air monitoring.

Applications include industrial environments, data centers, and air handling units.

It also serves as a limit or reference sensor for temperature control.

Q4: What types of output signals does the BPZ:QAM2161.040 support?

This sensor offers flexible output options for broad compatibility.

It supports active signals like DC 0-10 V and DC 0-5 V.

Additionally, it provides a 4-20 mA current output for robust signaling.

Q5: How is the BPZ:QAM2161.040 installed in an air duct?

Installation is facilitated by a supplied mounting flange.

The sensor's flexible probe allows for averaging across the duct.

Screw terminals provide a secure electrical connection point.

Q6: What is the measuring range and accuracy of this Siemens temperature detector?

The temperature detector measures from -50°C to 50°C.

Its accuracy is rated at ±0.9 K within this range.

This ensures precise data for critical temperature regulation.

Q7: Does the BPZ:QAM2161.040 offer averaging capabilities?

Yes, it features a flexible, active probe for averaging.

This design captures a representative temperature across the duct.

Averaging provides more accurate control inputs for HVAC systems.

Q8: What operating voltage is required for the QAM2161.040?

The sensor operates on AC 24 V or DC 13.5-35 V.

This range ensures compatibility with standard building control power supplies.

Proper power supply ensures reliable sensor operation and signal output.

Q9: What is the degree of protection for the BPZ:QAM2161.040?

The sensor has an IP54 ingress protection rating.

This protects it against dust and water splashes from any direction.

The robust enclosure ensures longevity in industrial duct environments.

Q10: What is the warranty period for the Siemens BPZ:QAM2161.040?

This Siemens temperature detector comes with a 60-month warranty.

This extensive warranty period reflects product quality and durability.

It provides customers with long-term assurance and value.