Siemens Building Technologies Immersion Temperature Sensors Data Sheet
Immersion Temperature Sensors
— Various Outputs
Immersion
Temperature Sensors
Liquid Immersion Temperature
Sensor with Well
Description
The ImmersionTemperature Sensors with Well monitor
and transmit changes in temperature to the building
control system. Specic devices within the range are
compatible with most North American building automation
systems. The sensors include a well to enable service and
repair without draining the system. All sensors incorporate
precision temperature sensing elements to accurately and
reliably measure temperature.
Features
• Variety of output signals / probe lengths
• Suitable for hot or chilled uids
• Responsive to temperature change
• Accurate and reliable indication of temperature
• Simple installation requires no special tools
Applications
Immersion temperature sensors are used throughout
HVAC and processing systems to monitor uid
temperatures in piping and vessels.
E-15
Sensors
www.usa.siemens.com/hvac
Immersion Temperature Sensor Specifications
E-16
Sensors
Output Signals
Active.......................................................................................... 4-20mA
Passive .................................................................... Pt 1k Ω (375 alpha)
Pt 1k Ω (385 alpha)
Ni 1k Ω @32F
Ni 1k Ω @70F
NTC 100k Ω
NTC 10k Ω Type II
NTC 10k Ω Type III
Accuracy
NTC Thermistors, mid-range ......................................... ±1.0°F (±0.5°C)
Pt RTD and Ni RTD, mid-range ................................... ±0.75°F (±0.4°C)
External Installation Threads ......................................1/2-inch – 14 NPT
Conduit Connection Threads ................................. 1/2-inch – 14 NPSMI
Housing Material ........................................................................ Cast zinc
Immersion Well Material ..................................300 Series Stainless Steel
Immersion Temperature Sensors Product Ordering
Application Description Output Signal Part Number Range Data Sheet
Liquid
Immersion
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well 544-577-40 149-261P25
6" Immersion Temp Sensor With Well 544-577-60 149-261P25
2.5" Immersion Temp Sensor With Well
2.5" Immersion Temp Sensor With Well 536-774-25 20 to 70F 149-263P25
2.5" Immersion Temp Sensor With Well 544-562-25 32 to 212F 149-263P25
4" Immersion Temp Sensor With Well 536-767-40 30 to 250F 149-263P25
4" Immersion Temp Sensor With Well 536-774-40 20 to 70F 149-263P25
4" Immersion Temp Sensor With Well 544-562-40 32 to 212F 149-263P25
6" Immersion Temp Sensor With Well 536-767-60 30 to 250F 149-263P25
6" Immersion Temp Sensor With Well 536-774-60 20 to 70F 149-263P25
6" Immersion Temp Sensor With Well 544-562-60 32 to 212F 149-263P25
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well QAE2020.010 149-919
6" Immersion Temp Sensor With Well QAE2020.015 149-919
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well QAE2021.010 149-919
6" Immersion Temp Sensor With Well QAE2021.015 149-919
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well 536-777-40 149-262P25
6" Immersion Temp Sensor With Well 536-777-60 149-262P25
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well QAE2030.010 149-919
6" Immersion Temp Sensor With Well QAE2030.015 149-919
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well QAE2032.010 149-919
6" Immersion Temp Sensor With Well QAE2032.015 149-919
2.5" Immersion Temp Sensor With Well
4" Immersion Temp Sensor With Well QAE2012.010 149-919
6" Immersion Temp Sensor With Well QAE2012.015 149-919
Platinum 1k Ω
375 alpha
4-20 mA
Nickel 1k Ω @ 32F
Nickel 1k Ω @ 70F
NTC 100k Ω Type 2
NTC 10k Ω Type 2
NTC 10k Ω Type 3
Platinum 1k Ω
385 alpha
544-577-25
536-767-25 30 to 250F 149-263P25
QAE2020.005
QAE2021.005 149-919
536-777-25 149-262P25
QAE2030.005 149-919
QAE2032.005 149-919
QAE2012.005 149-919
Controller
Dependent
Controller
Dependent
149-261P25
149-919
www.usa.siemens.com/hvac
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